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<html><head>
<!-- $Id: reference.html,v 1.2 2006-03-15 04:44:50 matju Exp $ -->
<title>GridFlow 0.8.1 - Reference Manual: Flow Classes</title>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<link rel="stylesheet" href="gridflow.css" type="text/css">
</head>
<body bgcolor="#FFFFFF"
leftmargin="0" topmargin="0"
marginwidth="0" marginheight="0">
<table width="100%" bgcolor="white" border="0" cellspacing="2">
<tr><td colspan="4" bgcolor="#082069">
<img src="images/titre_gridflow.png" width="253" height="23">
</td></tr><tr><td> </td></tr>
<tr><td colspan="4" bgcolor="black">
<img src="images/black.png" width="1" height="2"></td></tr>
<tr><td colspan="4" height="16">
<h4>GridFlow 0.8.1 - Reference Manual: Flow Classes</h4>
</td></tr>
<tr>
<td width="5%" rowspan="2"> </td>
<td width="15%" height="23"> </td>
<td width="80%" height="23"> </td>
<td width="5%" height="23"> </td>
</tr>
<tr><td colspan="2"><div cols="3"><h4><a href="#Objects_for_making_grids_and_breaking_them_down">Objects for making grids and breaking them down</a></h4><ul>
<li><a href="##import"><img src="flow_classes/%23import-icon.png" alt="[#import]" border="0"></a></li>
<li><a href="##export"><img src="flow_classes/%23export-icon.png" alt="[#export]" border="0"></a></li>
<li><a href="##export_list"><img src="flow_classes/%23export_list-icon.png" alt="[#export_list]" border="0"></a></li>
<li><a href="##export_symbol"><img src="flow_classes/%23export_symbol-icon.png" alt="[#export_symbol]" border="0"></a></li>
<li><a href="##pack"><img src="flow_classes/%23pack-icon.png" alt="[#pack]" border="0"></a></li>
<li><a href="##color"><img src="flow_classes/%23color-icon.png" alt="[#color]" border="0"></a></li>
<li><a href="##unpack"><img src="flow_classes/%23unpack-icon.png" alt="[#unpack]" border="0"></a></li>
<li><a href="##centroid"><img src="flow_classes/%23centroid-icon.png" alt="[#centroid]" border="0"></a></li>
<li><a href="##centroid2"><img src="flow_classes/%23centroid2-icon.png" alt="[#centroid2]" border="0"></a></li>
<li><a href="##for"><img src="flow_classes/%23for-icon.png" alt="[#for]" border="0"></a></li>
</ul>
<h4><a href="#Objects_for_Computing">Objects for Computing</a></h4><ul>
<li><a href="##"><img src="flow_classes/%23-icon.png" alt="[#]" border="0"></a></li>
<li><a href="#@complex_sq"><img src="flow_classes/@complex_sq-icon.png" alt="[@complex_sq]" border="0"></a></li>
<li><a href="##fold"><img src="flow_classes/%23fold-icon.png" alt="[#fold]" border="0"></a></li>
<li><a href="##scan"><img src="flow_classes/%23scan-icon.png" alt="[#scan]" border="0"></a></li>
<li><a href="##outer"><img src="flow_classes/%23outer-icon.png" alt="[#outer]" border="0"></a></li>
<li><a href="##inner"><img src="flow_classes/%23inner-icon.png" alt="[#inner]" border="0"></a></li>
<li><a href="#@join"><img src="flow_classes/@join-icon.png" alt="[@join]" border="0"></a></li>
<li><a href="##finished"><img src="flow_classes/%23finished-icon.png" alt="[#finished]" border="0"></a></li>
<li><a href="##cast"><img src="flow_classes/%23cast-icon.png" alt="[#cast]" border="0"></a></li>
<li><a href="##ravel"><img src="flow_classes/%23ravel-icon.png" alt="[#ravel]" border="0"></a></li>
<li><a href="##grade"><img src="flow_classes/%23grade-icon.png" alt="[#grade]" border="0"></a></li>
<li><a href="##perspective"><img src="flow_classes/%23perspective-icon.png" alt="[#perspective]" border="0"></a></li>
<li><a href="##transpose"><img src="flow_classes/%23transpose-icon.png" alt="[#transpose]" border="0"></a></li>
<li><a href="##fade"><img src="flow_classes/%23fade-icon.png" alt="[#fade]" border="0"></a></li>
<li><a href="##fade_lin"><img src="flow_classes/%23fade_lin-icon.png" alt="[#fade_lin]" border="0"></a></li>
<li><a href="##reverse"><img src="flow_classes/%23reverse-icon.png" alt="[#reverse]" border="0"></a></li>
</ul>
<h4><a href="#Objects_for_Coordinate_Transforms">Objects for Coordinate Transforms</a></h4><ul>
<li><a href="##redim"><img src="flow_classes/%23redim-icon.png" alt="[#redim]" border="0"></a></li>
<li><a href="##store"><img src="flow_classes/%23store-icon.png" alt="[#store]" border="0"></a></li>
<li><a href="##scale_to"><img src="flow_classes/%23scale_to-icon.png" alt="[#scale_to]" border="0"></a></li>
<li><a href="##scale_by"><img src="flow_classes/%23scale_by-icon.png" alt="[#scale_by]" border="0"></a></li>
<li><a href="##downscale_by"><img src="flow_classes/%23downscale_by-icon.png" alt="[#downscale_by]" border="0"></a></li>
<li><a href="##spread"><img src="flow_classes/%23spread-icon.png" alt="[#spread]" border="0"></a></li>
<li><a href="##rotate"><img src="flow_classes/%23rotate-icon.png" alt="[#rotate]" border="0"></a></li>
<li><a href="##remap_image"><img src="flow_classes/%23remap_image-icon.png" alt="[#remap_image]" border="0"></a></li>
</ul>
<h4><a href="#Objects_for_Reporting">Objects for Reporting</a></h4><ul>
<li><a href="##dim"><img src="flow_classes/%23dim-icon.png" alt="[#dim]" border="0"></a></li>
<li><a href="##type"><img src="flow_classes/%23type-icon.png" alt="[#type]" border="0"></a></li>
<li><a href="##print"><img src="flow_classes/%23print-icon.png" alt="[#print]" border="0"></a></li>
<li><a href="#rubyprint"><img src="flow_classes/rubyprint-icon.png" alt="[rubyprint]" border="0"></a></li>
<li><a href="#printargs"><img src="flow_classes/printargs-icon.png" alt="[printargs]" border="0"></a></li>
<li><a href="#display"><img src="flow_classes/display-icon.png" alt="[display]" border="0"></a></li>
</ul>
<h4><a href="#Objects_for_Color_Conversion">Objects for Color Conversion</a></h4><ul>
<li><a href="##apply_colormap_channelwise"><img src="flow_classes/%23apply_colormap_channelwise-icon.png" alt="[#apply_colormap_channelwise]" border="0"></a></li>
<li><a href="##rgb_to_greyscale"><img src="flow_classes/%23rgb_to_greyscale-icon.png" alt="[#rgb_to_greyscale]" border="0"></a></li>
<li><a href="##greyscale_to_rgb"><img src="flow_classes/%23greyscale_to_rgb-icon.png" alt="[#greyscale_to_rgb]" border="0"></a></li>
<li><a href="##yuv_to_rgb"><img src="flow_classes/%23yuv_to_rgb-icon.png" alt="[#yuv_to_rgb]" border="0"></a></li>
<li><a href="##rgb_to_yuv"><img src="flow_classes/%23rgb_to_yuv-icon.png" alt="[#rgb_to_yuv]" border="0"></a></li>
</ul>
<h4><a href="#Objects_for_Miscellaneous_Picture_Processing">Objects for Miscellaneous Picture Processing</a></h4><ul>
<li><a href="##convolve"><img src="flow_classes/%23convolve-icon.png" alt="[#convolve]" border="0"></a></li>
<li><a href="##contrast"><img src="flow_classes/%23contrast-icon.png" alt="[#contrast]" border="0"></a></li>
<li><a href="##posterize"><img src="flow_classes/%23posterize-icon.png" alt="[#posterize]" border="0"></a></li>
<li><a href="##solarize"><img src="flow_classes/%23solarize-icon.png" alt="[#solarize]" border="0"></a></li>
<li><a href="##checkers"><img src="flow_classes/%23checkers-icon.png" alt="[#checkers]" border="0"></a></li>
<li><a href="##layer"><img src="flow_classes/%23layer-icon.png" alt="[#layer]" border="0"></a></li>
<li><a href="##draw_image"><img src="flow_classes/%23draw_image-icon.png" alt="[#draw_image]" border="0"></a></li>
<li><a href="##draw_polygon"><img src="flow_classes/%23draw_polygon-icon.png" alt="[#draw_polygon]" border="0"></a></li>
<li><a href="##text_to_image"><img src="flow_classes/%23text_to_image-icon.png" alt="[#text_to_image]" border="0"></a></li>
<li><a href="##hueshift"><img src="flow_classes/%23hueshift-icon.png" alt="[#hueshift]" border="0"></a></li>
</ul>
<h4><a href="#Other_Objects">Other Objects</a></h4><ul>
<li><a href="#rtmetro"><img src="flow_classes/rtmetro-icon.png" alt="[rtmetro]" border="0"></a></li>
<li><a href="#bindpatcher"><img src="flow_classes/bindpatcher-icon.png" alt="[bindpatcher]" border="0"></a></li>
<li><a href="#pingpong"><img src="flow_classes/pingpong-icon.png" alt="[pingpong]" border="0"></a></li>
<li><a href="##global"><img src="flow_classes/%23global-icon.png" alt="[#global]" border="0"></a></li>
<li><a href="#fps"><img src="flow_classes/fps-icon.png" alt="[fps]" border="0"></a></li>
<li><a href="#unix_time"><img src="flow_classes/unix_time-icon.png" alt="[unix_time]" border="0"></a></li>
<li><a href="#ls"><img src="flow_classes/ls-icon.png" alt="[ls]" border="0"></a></li>
<li><a href="#exec"><img src="flow_classes/exec-icon.png" alt="[exec]" border="0"></a></li>
<li><a href="#renamefile"><img src="flow_classes/renamefile-icon.png" alt="[renamefile]" border="0"></a></li>
<li><a href="#plotter_control"><img src="flow_classes/plotter_control-icon.png" alt="[plotter_control]" border="0"></a></li>
<li><a href="#rubyarray"><img src="flow_classes/rubyarray-icon.png" alt="[rubyarray]" border="0"></a></li>
</ul>
<h4><a href="#jMax_emulation">jMax emulation</a></h4><ul>
<li><a href="#fork"><img src="flow_classes/fork-icon.png" alt="[fork]" border="0"></a></li>
<li><a href="#jmax_udpsend"><img src="flow_classes/jmax_udpsend-icon.png" alt="[jmax_udpsend]" border="0"></a></li>
<li><a href="#jmax_udpreceive"><img src="flow_classes/jmax_udpreceive-icon.png" alt="[jmax_udpreceive]" border="0"></a></li>
<li><a href="#foreach"><img src="flow_classes/foreach-icon.png" alt="[foreach]" border="0"></a></li>
<li><a href="#rubysprintf"><img src="flow_classes/rubysprintf-icon.png" alt="[rubysprintf]" border="0"></a></li>
<li><a href="#listflatten"><img src="flow_classes/listflatten-icon.png" alt="[listflatten]" border="0"></a></li>
<li><a href="#listmake"><img src="flow_classes/listmake-icon.png" alt="[listmake]" border="0"></a></li>
<li><a href="#listlength"><img src="flow_classes/listlength-icon.png" alt="[listlength]" border="0"></a></li>
<li><a href="#listelement"><img src="flow_classes/listelement-icon.png" alt="[listelement]" border="0"></a></li>
<li><a href="#listsublist"><img src="flow_classes/listsublist-icon.png" alt="[listsublist]" border="0"></a></li>
<li><a href="#listprepend"><img src="flow_classes/listprepend-icon.png" alt="[listprepend]" border="0"></a></li>
<li><a href="#listappend"><img src="flow_classes/listappend-icon.png" alt="[listappend]" border="0"></a></li>
<li><a href="#listreverse"><img src="flow_classes/listreverse-icon.png" alt="[listreverse]" border="0"></a></li>
<li><a href="#oneshot"><img src="flow_classes/oneshot-icon.png" alt="[oneshot]" border="0"></a></li>
<li><a href="#inv+"><img src="flow_classes/inv+-icon.png" alt="[inv+]" border="0"></a></li>
<li><a href="#inv*"><img src="flow_classes/inv*-icon.png" alt="[inv*]" border="0"></a></li>
<li><a href="#messageprepend"><img src="flow_classes/messageprepend-icon.png" alt="[messageprepend]" border="0"></a></li>
<li><a href="#messageappend"><img src="flow_classes/messageappend-icon.png" alt="[messageappend]" border="0"></a></li>
<li><a href="#shunt"><img src="flow_classes/shunt-icon.png" alt="[shunt]" border="0"></a></li>
<li><a href="#demux"><img src="flow_classes/demux-icon.png" alt="[demux]" border="0"></a></li>
<li><a href="#range"><img src="flow_classes/range-icon.png" alt="[range]" border="0"></a></li>
</ul>
<h4><a href="#PureData_emulation">PureData emulation</a></h4><ul>
<li><a href="#pd_netsend"><img src="flow_classes/pd_netsend-icon.png" alt="[pd_netsend]" border="0"></a></li>
<li><a href="#pd_netreceive"><img src="flow_classes/pd_netreceive-icon.png" alt="[pd_netreceive]" border="0"></a></li>
</ul>
<h4><a href="#(new_documentation)">(new documentation)</a></h4><ul>
<li><a href="#listfind"><img src="flow_classes/listfind-icon.png" alt="[listfind]" border="0"></a></li>
<li><a href="#memstat"><img src="flow_classes/memstat-icon.png" alt="[memstat]" border="0"></a></li>
<li><a href="#regsub"><img src="flow_classes/regsub-icon.png" alt="[regsub]" border="0"></a></li>
<li><a href="#sendgui"><img src="flow_classes/sendgui-icon.png" alt="[sendgui]" border="0"></a></li>
<li><a href="#sys_vgui"><img src="flow_classes/sys_vgui-icon.png" alt="[sys_vgui]" border="0"></a></li>
</ul>
<h4><a href="#(undocumented)">(undocumented)</a></h4><ul>
</ul>
<br><br>
</div></td></tr> <tr><td colspan="4" bgcolor="black">
<img src="images/black.png" width="1" height="2"></td></tr>
<tr><td colspan="4"><a name="Objects_for_making_grids_and_breaking_them_down"></a><h4>Objects for making grids and breaking them down</h4></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td colspan="4" bgcolor="#ffb080"><b> class </b><a name="#import">#import</a></td></tr><tr><td></td><td valign="top"><br>
<img src="flow_classes/%23import-icon.png" alt="[#import]" border="0"><br clear="left"><br><br><a href="#importexport"><img src="images/see_screenshot.png" border="0"></a><br clear="left"><br></td><td><br>
<p>This object allows you to produce grids from non-grid data, such as
integers and lists of integers. This object also reframes/resyncs
grids so that multiple grids may be joined together, or
single grids may be split. That kind of operation is already done implicitly in many
cases (e.g. sending an integer or list to a grid-receiving inlet),
but using this object you have greater flexibility on the conversion.</p> <br><b>attr</b> shape <b>(</b><b><i>GridShape|symbol(per_message)</i> shape</b><b>)</b> <br><b>attr</b> cast <b>(</b><b><i>NumberType</i> cast</b><b>)</b> <br><b>method</b> init <b>(</b>shape<b>, </b>cast<b>)</b> <br>
<br><b>inlet 0 </b><b>method</b> int <b>(</b><b>)</b>
begins a new grid if there is no current grid.
puts that integer in the current grid.
ends the grid if it is full.
the constructed grid is not stored: it is streamed.
the stream is buffered, so the output is in packets
of about a thousand numbers. <br>
<br><b>inlet 0 </b><b>method</b> list <b>(</b><b>)</b>
just like a sequence of ints sent one after another,
except in a single message. <br>
<br><b>inlet 0 </b><b>method</b> symbol <b>(</b><b>)</b>
considered as a list of ascii characters. <br>
<br><b>inlet 0 </b><b>method</b> reset <b>(</b><b>)</b>
aborts the current grid if there is one. <br>
<br><b>inlet 0 </b><b>method</b> grid <b>(</b><i>grid(dims...)</i> grid<b>)</b>
this is the equivalent of filtering this grid through
an <kbd><font color="#007777">[#export]</font></kbd> object and sending the resulting integers
to this <kbd><font color="#007777">[#import]</font></kbd> object, except that it's over
10 times faster. <br>
<br><b>inlet 1 </b><b>method</b> per_message <b>(</b><b>)</b>
old synonym for "shape per_message" <br>
<br><b>outlet 0 </b><b>method</b> grid <b>(</b><i>grid</i> grid<b>)</b>
the grid produced from incoming integers and/or grids. <br>
<br></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td colspan="4" bgcolor="#ffb080"><b> class </b><a name="#export">#export</a></td></tr><tr><td></td><td valign="top"><br>
<img src="flow_classes/%23export-icon.png" alt="[#export]" border="0"><br clear="left"><br><br><a href="#importexport"><img src="images/see_screenshot.png" border="0"></a><br clear="left"><br></td><td><br>
<p>this object is the opposite of #import.</p> <br><b>method</b> init <b>(</b><b>)</b>
this object is not configurable because there isn't
anything that could possibly be configured here. <br>
<br><b>inlet 0 </b><b>method</b> grid <b>(</b><i>grid(dims...)</i> grid<b>)</b>
transforms this grid into a sequence of integer messages. <br>
<br><b>outlet 0 </b><b>method</b> int <b>(</b><b>)</b>
elements of the incoming grid. <br>
<br></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td colspan="4" bgcolor="#ffb080"><b> class </b><a name="#export_list">#export_list</a></td></tr><tr><td></td><td valign="top"><br>
<img src="flow_classes/%23export_list-icon.png" alt="[#export_list]" border="0"><br clear="left"><br><br><a href="#importexport"><img src="images/see_screenshot.png" border="0"></a><br clear="left"><br></td><td><br>
<p>this object is another opposite of <kbd><font color="#007777">[#import]</font></kbd>, which puts
all of its values in a list.</p> <br><b>method</b> init <b>(</b><b>)</b> <br>
<br><b>inlet 0 </b><b>method</b> grid <b>(</b><i>grid(dims...)</i> grid<b>)</b>
transforms this grid into a single message containing
a list of integers. <br>
<br><b>outlet 0 </b><b>method</b> list <b>(</b><b>)</b>
elements of the incoming grid. <br>
<br></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td colspan="4" bgcolor="#ffb080"><b> class </b><a name="#export_symbol">#export_symbol</a></td></tr><tr><td></td><td valign="top"><br>
<img src="flow_classes/%23export_symbol-icon.png" alt="[#export_symbol]" border="0"><br clear="left"><br><br><br clear="left"><br></td><td><br>
<p>this object is another opposite of #import, which constructs a symbol
from its input. The values are expected to be valid ASCII codes, but no check
will be performed for that, and additionally, no check will be made that the generated
symbol only contains characters that can be put in a symbol.</p> <br><b>method</b> init <b>(</b><b>)</b> <br>
<br><b>inlet 0 </b><b>method</b> grid <b>(</b><i>grid(dims...)</i> grid<b>)</b>
transforms this grid into a single message containing
a list of integers. <br>
<br><b>outlet 0 </b><b>method</b> symbol <b>(</b><b>)</b> generated symbol<br>
<br></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td colspan="4" bgcolor="#ffb080"><b> class </b><a name="#pack">#pack</a></td></tr><tr><td></td><td valign="top"><br>
<img src="flow_classes/%23pack-icon.png" alt="[#pack]" border="0"><br clear="left"><br><br><br clear="left"><br></td><td><br>
<p>Similar to <kbd><font color="#007777">[#join]</font></kbd>, but takes individual integers, and builds a Dim(N) vector out of it. </p> <br><b>attr</b> trigger_by <b>(</b><b><i>TriggerBy</i> trigger_by</b><b>)</b> <br><b>method</b> init <b>(</b><i>integer</i> inputs<b>)</b> <br>
<br><b>inlet * </b><b>method</b> int <b>(</b><b>)</b> <br>
<br><b>outlet 0 </b><b>method</b> grid <b>(</b><b>)</b>
combination of inputs given in all inlets.
this is produced according to the value of the trigger attribute. <br>
<br></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td colspan="4" bgcolor="#ffb080"><b> class </b><a name="#color">#color</a></td></tr><tr><td></td><td valign="top"><br>
<img src="flow_classes/%23color-icon.png" alt="[#color]" border="0"><br clear="left"><br><br><br clear="left"><br></td><td><br>
<p>Triple slider for the selection of RGB values.</p> <br><b>method</b> init <b>(</b><i>float</i> min<b>, </b><i>float</i> max<b>, </b><i>0,1</i> hidepreview<b>)</b> <br>
<br><b>inlet 0 </b><b>method</b> grid <b>(</b><b>)</b>
changes all three values (R,G,B). The grid must
be a Dim(3). <br>
<br><b>inlet 0 </b><b>method</b> delegate <b>(</b><b>)</b>
sends the rest of the message to each of the three sliders.
this relies on the fact that [#color] is implemented using
three [hsl] and this might not still work in the far future. <br>
<br><b>outlet 0 </b><b>method</b> grid <b>(</b><b>)</b>
Produces a Dim(3) grid of RGB values. <br>
<br></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td colspan="4" bgcolor="#ffb080"><b> class </b><a name="#unpack">#unpack</a></td></tr><tr><td></td><td valign="top"><br>
<img src="flow_classes/%23unpack-icon.png" alt="[#unpack]" border="0"><br clear="left"><br><br><br clear="left"><br></td><td><br>
<br><b>method</b> init <b>(</b><i>integer</i> outputs<b>)</b> <br>
<br><b>inlet 0 </b><b>method</b> grid(N) <b>(</b><b>)</b>
the input vector is split in N parts containing one number each.
numbers are sent left-to-right, that is, outlet 0 is triggered first, then outlet 1, etc. <br>
<br><b>outlet * </b><b>method</b> int <b>(</b><b>)</b> <br>
<br></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td colspan="4" bgcolor="#ffb080"><b> class </b><a name="#centroid">#centroid</a></td></tr><tr><td></td><td valign="top"><br>
<img src="flow_classes/%23centroid-icon.png" alt="[#centroid]" border="0"><br clear="left"><br><br><br clear="left"><br></td><td><br>
<br><b>method</b> init <b>(</b><b>)</b> <br>
<br><b>inlet 0 </b><b>method</b> grid(rows,columns,1) <b>(</b><b>)</b>
will compute the centroid of the given grid, which
is a weighted average, namely, the average position weighted
by the pixel values. <br>
<br><b>outlet 0 </b><b>method</b> grid(2) <b>(</b><b>)</b>
result <br>
<br></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td colspan="4" bgcolor="#ffb080"><b> class </b><a name="#centroid2">#centroid2</a></td></tr><tr><td></td><td valign="top"><br>
<img src="flow_classes/%23centroid2-icon.png" alt="[#centroid2]" border="0"><br clear="left"><br><br><br clear="left"><br></td><td><br>
a new experimental and faster version of #centroid. <br><b>method</b> init <b>(</b><b>)</b> <br>
<br><b>inlet 0 </b><b>method</b> grid(rows,columns,1) <b>(</b><b>)</b>
will compute the centroid of the given grid, which
is a weighted average, namely, the average position weighted
by the pixel values. <br>
<br><b>outlet 0 </b><b>method</b> grid(2) <b>(</b><b>)</b>
result <br>
<br></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td colspan="4" bgcolor="#ffb080"><b> class </b><a name="#for">#for</a></td></tr><tr><td></td><td valign="top"><br>
<img src="flow_classes/%23for-icon.png" alt="[#for]" border="0"><br clear="left"><br><br><a href="#for"><img src="images/see_screenshot.png" border="0"></a><br clear="left"><br></td><td><br>
<p>when given scalar bounds, works like a regular <kbd><font color="#007777">[for]</font></kbd> object plugged
to a <kbd><font color="#007777">[#import]</font></kbd> tuned for a Dim(size) where size is the number of values
produced by a bang to that <kbd><font color="#007777">[for]</font></kbd>.</p> <p>when given vector bounds, will work like any number of [for] objects
producing all possible combinations of their values in the proper order.
This replaces the old <kbd><font color="#007777">[#identity_transform]</font></kbd> object.</p> <br><b>method</b> init <b>(</b><i>integer</i> from<b>, </b><i>integer</i> to<b>, </b><i>integer</i> step<b>)</b> <br>
<br><b>inlet 0 </b><b>method</b> grid <b>(</b><i>grid(index)</i> grid<b>)</b>
replaces the "from" value and produces output. <br>
<br><b>inlet 1 </b><b>method</b> grid <b>(</b><i>grid(index)</i> grid<b>)</b>
replaces the "to" value. <br>
<br><b>inlet 2 </b><b>method</b> grid <b>(</b><i>grid(index_steps)</i> grid<b>)</b>
replaces the "step" value. <br>
<br><b>outlet 0 </b><b>method</b> grid <b>(</b><i>grid(size)</i> grid<b>)</b>
where size is floor((to-from+1)/step)
[for scalar bounds] <br>
<br><b>outlet 0 </b><b>method</b> grid <b>(</b><i>grid(*size,dimension)</i> grid<b>)</b>
where *size is floor((to-from+1)/step)
[for vector bounds] <br>
<br></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td> </td></tr>
<tr><td colspan="4" bgcolor="black">
<img src="images/black.png" width="1" height="2"></td></tr>
<tr><td colspan="4"><a name="Objects_for_Computing"></a><h4>Objects for Computing</h4></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td colspan="4" bgcolor="#ffb080"><b> class </b><a name="#">#</a></td></tr><tr><td></td><td valign="top"><br>
<img src="flow_classes/%23-icon.png" alt="[#]" border="0"><br clear="left"><br><br><a href="#"><img src="images/see_screenshot.png" border="0"></a><br clear="left"><br></td><td><br>
<br><b>attr</b> op <b>(</b><b><i>grid</i> op</b><b>)</b> <br><b>attr</b> right_hand <b>(</b><b><i>grid</i> right_hand</b><b>)</b> <p>This object outputs a grid by computing "in parallel" a same
operation on each left-hand element with its corresponding right-hand
element. </p> <br><b>method</b> init <b>(</b>op<b>, </b>right_hand<b>)</b> <br>
<br><b>inlet 0 </b><b>method</b> grid <b>(</b><i>grid(dims...)</i> grid<b>)</b>
on each element of this grid, perform the operation
together with the corresponding element of inlet 1.
in the table of operators (at the top of this document)
elements of inlet 0 are called "A" and elements of inlet 1
are called "B". the resulting grid is the same size as the
one in inlet 0. <br>
<br><b>inlet 1 </b><b>method</b> grid <b>(</b><i>grid(dims...)</i> grid<b>)</b>
any grid, preferably shaped like the one that will be put
in the left inlet, or like a subpart of it (anyway the contents
will be redim'ed on-the-fly to fit the grid of inlet-0,
but the stored grid will not be modified itself) <br>
<br><b>inlet 1 </b><b>method</b> int <b>(</b><b>)</b>
stores a single int in the right inlet; the same int will
be applied in all computations; this is like sending a
Dim(1) or Dim() grid with that number in it. <br>
<br><b>outlet 0 </b><b>method</b> grid <b>(</b><i>grid</i> grid<b>)</b> <br>
<br></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td colspan="4" bgcolor="#ffb080"><b> class </b><a name="@complex_sq">@complex_sq</a></td></tr><tr><td></td><td valign="top"><br>
<img src="flow_classes/@complex_sq-icon.png" alt="[@complex_sq]" border="0"><br clear="left"><br><br><br clear="left"><br></td><td><br>
<p>this object computes the square of complex numbers.
If seeing imaginary as Y and real as X, then this operation squares
the distance of a point from origin and doubles the angle between it
and the +X half-axis clockwise. (fun, eh?) </p> <p>used on an indexmap, this makes each thing appear twice,
each apparition spanning half of the original angle.</p> <br><b>inlet 0 </b><b>method</b> grid <b>(</b><i>grid(dims... {imaginary real})</i> grid<b>)</b> <br>
<br><b>outlet 0 </b><b>method</b> grid <b>(</b><i>grid(dims... {imaginary real})</i> grid<b>)</b> <br>
<br></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td colspan="4" bgcolor="#ffb080"><b> class </b><a name="#fold">#fold</a></td></tr><tr><td></td><td valign="top"><br>
<img src="flow_classes/%23fold-icon.png" alt="[#fold]" border="0"><br clear="left"><br><br><a href="#foldinnerouter"><img src="images/see_screenshot.png" border="0"></a><br clear="left"><br></td><td><br>
<p><ul> <li><b>1</b> : <kbd><font color="#007777">[#fold +]</font></kbd> computes totals</li> <li><b>2</b> : <kbd><font color="#007777">[#fold inv+]</font></kbd> is an alternated sum (+/-)</li> <li><b>3</b> : <kbd><font color="#007777">[#fold * 1]</font></kbd> can compute the size of a grid using its dimension list</li> <li><b>4</b> : <kbd><font color="#007777">[#fold & 1]</font></kbd> can mean "for all"</li> <li><b>5</b> : <kbd><font color="#007777">[#fold | 0]</font></kbd> can mean "there exists (at least one)"</li> <li><b>6</b> : <kbd><font color="#007777">[#fold ^ 0]</font></kbd> can mean "there exists an odd number of..."</li> <li><b>7</b> : <kbd><font color="#007777">[#fold ^ 1]</font></kbd> can mean "there exists an even number of...".</li> </ul></p> <br><b>method</b> init <b>(</b><i>numop2</i> operator<b>, </b><i>grid</i> seed<b>, </b><i>grid</i> right_hand<b>)</b> <br>
<br><b>inlet 0 </b><b>method</b> grid <b>(</b><i>grid(dims..., last)</i> grid<b>)</b>
replaces every Dim(last) subgrid by the result of a cascade on that subgrid.
Doing that
with seed value 0 and operation + on grid "2 3 5 7" will compute
((((0+2)+3)+5)+7) find the total "17".
produces a Dim(dims) grid. <br>
<br></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td colspan="4" bgcolor="#ffb080"><b> class </b><a name="#scan">#scan</a></td></tr><tr><td></td><td valign="top"><br>
<img src="flow_classes/%23scan-icon.png" alt="[#scan]" border="0"><br clear="left"><br><br><a href="#scan"><img src="images/see_screenshot.png" border="0"></a><br clear="left"><br></td><td><br>
<p><kbd><font color="#007777">[#scan +]</font></kbd> computes subtotals; this can be used, for example,
to convert a regular probability distribution into a cumulative one.
(or in general, discrete integration) </p> <br><b>method</b> init <b>(</b><i>numop2</i> operator<b>, </b><i>grid</i> seed<b>)</b> <br>
<br><b>inlet 0 </b><b>method</b> grid <b>(</b><i>grid(dims..., last)</i> grid<b>)</b>
replaces every Dim(last) subgrid by all the results of
cascading the operator on that subgrid,
producing a Dim(dims,last) grid.
For example, with base value 0 and operation + on grid "2 3 5
7" will compute 0+2=2, 2+3=5, 5+5=10, 10+7=17, and give the
subtotals "2 5 10 17". <br>
<br></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td colspan="4" bgcolor="#ffb080"><b> class </b><a name="#outer">#outer</a></td></tr><tr><td></td><td valign="top"><br>
<img src="flow_classes/%23outer-icon.png" alt="[#outer]" border="0"><br clear="left"><br><br><a href="#foldinnerouter"><img src="images/see_screenshot.png" border="0"></a><br clear="left"><br></td><td><br>
<br><b>method</b> init <b>(</b><i>numop2</i> operator<b>, </b><i>grid</i> value<b>)</b>
the operator must be picked from the table of two-input operators.
the grid is optional and corresponds to inlet 1. <br>
<br><b>inlet 0 </b><b>method</b> grid <b>(</b><i>grid(anyA...)</i> grid<b>)</b> <br>
produces a grid of size Dim(anyA..., anyB...), where numbers
are the results of the operation on every element of A and
every element of B. the resulting array can be very big. Don't
try this on two pictures (the result will have 6 dimensions) <br><b>inlet 1 </b><b>method</b> grid <b>(</b><i>grid(anyB...)</i> grid<b>)</b> <br>
stores the specified grid, to be used when inlet 0 is activated. <p>When given a grid of Dim(3) and a grid of Dim(5) <kbd><font color="#007777">[#outer]</font></kbd> will
produce a grid of Dim(3,5) with the selected two-input operation
applied on each of the possible pairs combinations between numbers
from the left grid and the ones from the right. for example :
(10,20,30) [#outer +] (1,2,3) will give :
((11,12,13),(21,22,23),(31,32,33)) </p> <br></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td colspan="4" bgcolor="#ffb080"><b> class </b><a name="#inner">#inner</a></td></tr><tr><td></td><td valign="top"><br>
<img src="flow_classes/%23inner-icon.png" alt="[#inner]" border="0"><br clear="left"><br><br><a href="#inner"><img src="images/see_screenshot.png" border="0"></a><br clear="left"><br></td><td><br>
<p>think of this one as a special combination of <kbd><font color="#007777">[#outer]</font></kbd>, <kbd><font color="#007777">[#]</font></kbd> and <kbd><font color="#007777">[#fold]</font></kbd>. this is one of the most complex operations. It is very useful
for performing linear transforms like rotations, scalings, shearings,
and some kinds of color remappings. A linear transform is done by
something called matrix multiplication, which happens to be <kbd><font color="#007777">[#inner * +
0]</font></kbd>. <kbd><font color="#007777">[#inner]</font></kbd> also does dot product and other funny operations.</p> <br><b>method</b> init <b>(</b><i>numop2</i> op_para<b>, </b><i>numop2</i> op_fold<b>, </b><i>integer</i> base<b>, </b><i>grid</i> right_hand<b>)</b>
op_para and op_fold are two operators picked from the table
of two-input operators.
the base value has to be specified (has no default value yet). <br>
<br><b>inlet 0 </b><b>method</b> grid <b>(</b><i>grid(anyA..., lastA)</i> grid<b>)</b>
Splits the Dim(anyA...,lastA) left-hand grid into Dim(anyA...)
pieces of Dim(lastA) size.
Splits the Dim(firstB,anyB...) right-hand grid into
Dim(anyB...) pieces of Dim(firstB) size.
On every piece pair, does <kbd><font color="#007777">[#]</font></kbd> using the specified
op_para operation, followed by a <kbd><font color="#007777">[#fold]</font></kbd> using
the specified op_fold operator and base value.
creates a Dim(anyA...,anyB...) grid by assembling all
the results together.
(note: lastA must be equal to firstB.) <br>
<br><b>inlet 1 </b><b>method</b> int <b>(</b><b>)</b>
changes the base value to that. <br>
<br><b>inlet 2 </b><b>method</b> grid <b>(</b><i>grid(anyB..., lastB)</i> grid<b>)</b>
changes the right-hand side grid to that. <br>
<br></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td colspan="4" bgcolor="#ffb080"><b> class </b><a name="@join">@join</a></td></tr><tr><td></td><td valign="top"><br>
<img src="flow_classes/@join-icon.png" alt="[@join]" border="0"><br clear="left"><br><br><br clear="left"><br></td><td><br>
<br><b>method</b> init <b>(</b>which_dim<b>)</b>
Which_dim is the number of the dimension by which the join will
occur. For N-dimensional grids, the dimensions are numbered from 0
to N-1. In addition, negative numbers from -N to -1 may be used, to
which N will be added. <br>
<br><b>inlet 0 </b><b>method</b> grid <b>(</b><i>grid</i> grid<b>)</b>
The left grid and right grid must have the same number
of elements in all dimensions except the one specified.
The result will have the same number of elements in all
dimensions except the one specified, which will be the
sum of the two corresponding one. <p>For example, joining a RGB picture Dim[y,x,3] and a
greyscale picture Dim[y,x,1] on dimension 2 (or -1) could
make a RGBA picture Dim[y,x,4] in which the greyscale image
becomes the opacity channel. </p> <br>
<br><b>inlet 1 </b><b>method</b> grid <b>(</b><i>grid</i> grid<b>)</b> <br>
<br></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td colspan="4" bgcolor="#ffb080"><b> class </b><a name="#finished">#finished</a></td></tr><tr><td></td><td valign="top"><br>
<img src="flow_classes/%23finished-icon.png" alt="[#finished]" border="0"><br clear="left"><br><br><br clear="left"><br></td><td><br>
<br><b>inlet 0 </b><b>method</b> grid <b>(</b><i>grid</i> grid<b>)</b> any grid<br>
a bang is emitted every time a grid transmission ends. <br></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td colspan="4" bgcolor="#ffb080"><b> class </b><a name="#cast">#cast</a></td></tr><tr><td></td><td valign="top"><br>
<img src="flow_classes/%23cast-icon.png" alt="[#cast]" border="0"><br clear="left"><br><br><br clear="left"><br></td><td><br>
<br><b>method</b> init <b>(</b><i>numbertype</i> numbertype<b>)</b> <br>
<br><b>inlet 0 </b><b>method</b> grid <b>(</b><i>grid</i> grid<b>)</b> any grid<br>
<br><b>outlet 0 </b><b>method</b> grid <b>(</b><i>grid</i> grid<b>)</b> a grid of the same shape containing all the same
values after type conversion. note that while casting to
a smaller type, values that are overflowing will be truncated. <br>
<br></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td colspan="4" bgcolor="#ffb080"><b> class </b><a name="#ravel">#ravel</a></td></tr><tr><td></td><td valign="top"><br>
<img src="flow_classes/%23ravel-icon.png" alt="[#ravel]" border="0"><br clear="left"><br><br><br clear="left"><br></td><td><br>
<br><b>inlet 0 </b><b>method</b> grid <b>(</b><i>grid</i> grid<b>)</b> any grid<br>
<br><b>outlet 0 </b><b>method</b> grid <b>(</b><i>grid</i> grid<b>)</b>
like <kbd><font color="#007777">[#redim]</font></kbd> but always produce a 1-D grid
with the same total number of elements. <br>
<br></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td colspan="4" bgcolor="#ffb080"><b> class </b><a name="#grade">#grade</a></td></tr><tr><td></td><td valign="top"><br>
<img src="flow_classes/%23grade-icon.png" alt="[#grade]" border="0"><br clear="left"><br><br><br clear="left"><br></td><td><br>
<br><b>inlet 0 </b><b>method</b> grid <b>(</b><i>grid</i> grid<b>)</b> any grid<br>
<br><b>outlet 0 </b><b>method</b> grid <b>(</b><i>grid</i> grid<b>)</b> <p>splits a Dim[A...,B] grid into Dim[B] vectors,
producing new Dim[B] vectors that each contain numbers from
0 to B-1 indicating the ordering of the values. The result is
a Dim[A...,B] grid.</p> <p>for example, connecting a [#grade] to a <kbd><font color="#007777">[#outer ignore {0}]</font></kbd>
to a <kbd><font color="#007777">[#store]</font></kbd> object, storing a single vector into <kbd><font color="#007777">[#store]</font></kbd>, and
sending the same vector to <kbd><font color="#007777">[#grade]</font></kbd>, will sort the values of the
vector. however for higher-dimensional grids, what should go
between <kbd><font color="#007777">[#store]</font></kbd> and <kbd><font color="#007777">[#grade]</font></kbd> to achieve the same result would
be more complex.</p> <p>you may achieve different kinds of sorting by applying various
filters before <kbd><font color="#007777">[#grade]</font></kbd>. the possibilities are unlimited.</p> <p>if you plug <kbd><font color="#007777">[#grade]</font></kbd> directly into another <kbd><font color="#007777">[#grade]</font></kbd>, you will
get the inverse arrangement, which allows to take the sorted values
and make them unsorted in the original way. note that this is really
not the same as just listing the values backwards.</p> <br>
<br></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td colspan="4" bgcolor="#ffb080"><b> class </b><a name="#perspective">#perspective</a></td></tr><tr><td></td><td valign="top"><br>
<img src="flow_classes/%23perspective-icon.png" alt="[#perspective]" border="0"><br clear="left"><br><br><br clear="left"><br></td><td><br>
<br><b>method</b> init <b>(</b><i>integer</i> depth<b>)</b> <br>
<br><b>inlet 0 </b><b>method</b> grid <b>(</b><i>grid</i> grid<b>)</b> any grid<br>
<br><b>outlet 0 </b><b>method</b> grid <b>(</b><i>grid</i> grid<b>)</b> <p>transforms a Dim[A...,B] grid into a Dim[A...,B-1] grid.
There is a projection plane perpendicular to the last axis and
whose position is given by the "depth" parameter. Each vector's
length is adjusted so that it lies onto that plane. Then the
last dimension of each vector is dropped.</p> <p>useful for converting from 3-D geometry to 2-D geometry. Also
useful for converting homogeneous 3-D into regular 3-D, as
homogeneous 3-D is really just regular 4-D...(!)</p> <br>
<br></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td colspan="4" bgcolor="#ffb080"><b> class </b><a name="#transpose">#transpose</a></td></tr><tr><td></td><td valign="top"><br>
<img src="flow_classes/%23transpose-icon.png" alt="[#transpose]" border="0"><br clear="left"><br><br><br clear="left"><br></td><td><br>
<br><b>method</b> init <b>(</b><i>integer</i> dim1<b>, </b><i>integer</i> dim2<b>)</b> <br>
<br><b>inlet 0 </b><b>method</b> grid <b>(</b><i>grid</i> grid<b>)</b>
swaps the two specified dimensions; dimension numbers are as in <kbd><font color="#007777">[#join]</font></kbd>. <br>
<br></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td colspan="4" bgcolor="#ffb080"><b> class </b><a name="#fade">#fade</a></td></tr><tr><td></td><td valign="top"><br>
<img src="flow_classes/%23fade-icon.png" alt="[#fade]" border="0"><br clear="left"><br><br><br clear="left"><br></td><td><br>
<br><b>method</b> init <b>(</b><i>integer</i> rate<b>)</b> <br>
<br><b>inlet 0 </b><b>method</b> grid <b>(</b><i>grid</i> grid<b>)</b>
produces on outlet 0 a linear recurrent fading according to the flow of
incoming messages. For example, if rate=5, then 20% (one fifth)
of each new message will be blended with 80% of the previous output. <br>
<br></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td colspan="4" bgcolor="#ffb080"><b> class </b><a name="#fade_lin">#fade_lin</a></td></tr><tr><td></td><td valign="top"><br>
<img src="flow_classes/%23fade_lin-icon.png" alt="[#fade_lin]" border="0"><br clear="left"><br><br><br clear="left"><br></td><td><br>
<br><b>method</b> init <b>(</b><i>integer</i> maxraise<b>, </b><i>integer</i> maxdrop<b>)</b> <br>
<br><b>inlet 0 </b><b>method</b> grid <b>(</b><i>grid</i> grid<b>)</b>
produces on outlet 0 a piecewise-linear nonrecurrent fading according to the flow of
incoming messages. For example, if maxraise=2 and maxdrop=4, then with each
new message an output is produced that is at most 2 more or 4 less than the
previous output. <br>
<br></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td colspan="4" bgcolor="#ffb080"><b> class </b><a name="#reverse">#reverse</a></td></tr><tr><td></td><td valign="top"><br>
<img src="flow_classes/%23reverse-icon.png" alt="[#reverse]" border="0"><br clear="left"><br><br><br clear="left"><br></td><td><br>
<br><b>method</b> init <b>(</b>whichdim<b>)</b>
Whichdim is the number of the dimension by which the reverse will
occur. For N-dimensional grids, the dimensions are numbered from 0
to N-1. In addition, negative numbers from -N to -1 may be used, to
which N will be added. <br>
<br></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td> </td></tr>
<tr><td colspan="4" bgcolor="black">
<img src="images/black.png" width="1" height="2"></td></tr>
<tr><td colspan="4"><a name="Objects_for_Coordinate_Transforms"></a><h4>Objects for Coordinate Transforms</h4></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td colspan="4" bgcolor="#ffb080"><b> class </b><a name="#redim">#redim</a></td></tr><tr><td></td><td valign="top"><br>
<img src="flow_classes/%23redim-icon.png" alt="[#redim]" border="0"><br clear="left"><br><br><a href="#redim"><img src="images/see_screenshot.png" border="0"></a><br clear="left"><br></td><td><br>
<br><b>method</b> init <b>(</b><i>dim_list</i> dims<b>)</b>
a list specifying a grid shape that the numbers
will fit into.
(same as with <kbd><font color="#007777">[#import]</font></kbd>) <br>
<br><b>inlet 0 </b><b>method</b> grid <b>(</b><i>grid(dims...)</i> grid<b>)</b>
the elements of this grid are serialized. if the resulting grid
must be larger, the sequence is repeated as much as necessary.
if the resulting grid must be smaller, the sequence is truncated.
then the elements are deserialized to form the resulting grid. <br>
<br><b>inlet 1 </b><b>method</b> grid <b>(</b><i>grid(rank)</i> grid<b>)</b>
this grid is a dimension list that replaces the one
specified in the constructor.
(same as with <kbd><font color="#007777">[#import]</font></kbd>) <br>
<br><b>outlet 0 </b><b>method</b> grid <b>(</b><i>grid</i> grid<b>)</b>
redimensioned grid potentially containing repeating data. <br>
<p>example: with a 240 320 RGB image, <kbd><font color="#007777">[#redim 120 640 3]</font></kbd> will visually
separate the even lines (left) from the odd lines (right). contrary
to this, <kbd><font color="#007777">[#redim 640 120 3]</font></kbd> will split every line and put its left half
on a even line and the right half on the following odd line. <kbd><font color="#007777">[#redim]</font></kbd>
480 320 3 will repeat the input image twice in the output image. <kbd><font color="#007777">[#redim]</font></kbd> 240 50 3 will only keep the 50 top lines.</p> <br></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td colspan="4" bgcolor="#ffb080"><b> class </b><a name="#store">#store</a></td></tr><tr><td></td><td valign="top"><br>
<img src="flow_classes/%23store-icon.png" alt="[#store]" border="0"><br clear="left"><br><br><a href="#store"><img src="images/see_screenshot.png" border="0"></a><br clear="left"><br></td><td><br>
<p>A <kbd><font color="#007777">[#store]</font></kbd> object can store exactly one grid, using the right
inlet. You fetch it back, or selected subparts thereof, using the left
inlet.</p> <br><b>method</b> init <b>(</b><i>grid</i> contents<b>)</b> <br>
<br><b>inlet 0 </b><b>method</b> bang <b>(</b><b>)</b>
the stored grid is fully sent to the outlet. <br>
<br><b>inlet 0 </b><b>method</b> grid <b>(</b><i>grid(dims..., indices)</i> grid<b>)</b>
in this grid, the last dimension refers to subparts of
the stored grid. sending a Dim(200,200,2) on a <kbd><font color="#007777">[#store]</font></kbd>
that holds a Dim(240,320,3) will cause the <kbd><font color="#007777">[#store]</font></kbd> to handle
the incoming grid as a Dim(200,200) of Dim(2)'s, where each
Dim(2) represents a position in a Dim(240,320) of Dim(3)'s.
therefore the resulting grid will be a Dim(200,200) of
Dim(3) which is a Dim(200,200,3). in practice this example
would be used for generating a 200*200 RGB picture from a
200*200 XY map and a 240*320 RGB picture. this object can
be logically used in the same way for many purposes
including color palettes, tables of probabilities, tables
of statistics, whole animations, etc. <br>
<br><b>inlet 1 </b><b>method</b> grid <b>(</b><i>grid(dims...)</i> grid<b>)</b>
replace the whole grid, or a subpart of it (see other options on inlet 1) <br>
<br><b>inlet 1 </b><b>method</b> reassign <b>(</b><b>)</b> (Future Use):
makes it so that sending a grid to inlet 1 detaches the old buffer from [#store]
and attaches a new one instead. This is the default. <br>
<br><b>inlet 1 </b><b>method</b> put_at <b>(</b>indices...<b>)</b> (Future Use):
makes it so that sending a grid to inlet 1 writes into the existing buffer of [#store]. <p>
example: suppose you have <kbd><font color="#007777">[#store {10 240 320 3}]</font></kbd>. then "put_at 3"
will allow to write a Dim[240,320,3] grid in indices (3,y,x,c) where y,x,c are indices of the incoming grid;
in other words, if that's a buffer of 10 RGB frames, you'd be replacing frame #3. Furthermore,
it also allows you to write a Dim[n,240,320,3] grid at (3+f,y,x,c) where f,y,x,c are indices of the incoming grid,
replacing frame #3, #4, ... up to #3+n-1. Here n is at most 7 because the last frame in the buffer is #9. </p> <p>that way of working extends to other kinds of data you'd put in Grids, in any numbers of dimensions;
because, as usual, [#store] wouldn't know the difference. </p> <br>
grids as stored, as indexed, or as assembled from multiple
indexings. <br></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td colspan="4" bgcolor="#ffb080"><b> class </b><a name="#scale_to">#scale_to</a></td></tr><tr><td></td><td valign="top"><br>
<img src="flow_classes/%23scale_to-icon.png" alt="[#scale_to]" border="0"><br clear="left"><br><br><a href="#scale_to"><img src="images/see_screenshot.png" border="0"></a><br clear="left"><br></td><td><br>
<br><b>method</b> init <b>(</b>size<b>)</b> <br>
<br><b>inlet 0 </b><b>method</b> grid <b>(</b><i>grid</i> grid<b>)</b> a 3-channel picture to be scaled.<br>
<br><b>inlet 1 </b><b>method</b> int <b>(</b><b>)</b> a {height width} pair.<br>
<br><b>outlet 0 </b><b>method</b> grid <b>(</b><i>grid</i> grid<b>)</b> a scaled 3-channel picture.<br>
<br></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td colspan="4" bgcolor="#ffb080"><b> class </b><a name="#scale_by">#scale_by</a></td></tr><tr><td></td><td valign="top"><br>
<img src="flow_classes/%23scale_by-icon.png" alt="[#scale_by]" border="0"><br clear="left"><br><br><a href="#scale_by"><img src="images/see_screenshot.png" border="0"></a><br clear="left"><br></td><td><br>
<br><b>method</b> init <b>(</b><i>grid dim() or dim(2)</i> factor<b>)</b>
factor is optional (default is 2).
if it's a single value, then that factor is to be used
for both rows and columns. <br>
<br><b>inlet 0 </b><b>method</b> grid <b>(</b><i>grid(y x channels)</i> grid<b>)</b>
duplicates each pixel several times in width and several times in height,
where the number of times is determined by the factor described above.
twice those of the incoming grid. It is several times faster. <br>
<br><b>inlet 1 </b><b>method</b> grid <b>(</b><i>grid(1 or 2)</i> grid<b>)</b> sets factor<br>
<br><b>outlet 0 </b><b>method</b> grid <b>(</b><i>grid((factor*y) (factor*x) channels)</i> grid<b>)</b> <br>
<br></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td colspan="4" bgcolor="#ffb080"><b> class </b><a name="#downscale_by">#downscale_by</a></td></tr><tr><td></td><td valign="top"><br>
<img src="flow_classes/%23downscale_by-icon.png" alt="[#downscale_by]" border="0"><br clear="left"><br><br><br clear="left"><br></td><td><br>
<br><b>method</b> init <b>(</b><i>+integer</i> factor<b>, </b><i>optional symbol(smoothly)</i> how<b>)</b>
factor is optional (default is 2).
if it's a single value, then that factor is to be used
for both rows and columns. <br>
<br><b>inlet 0 </b><b>method</b> grid <b>(</b><i>grid(y x channels)</i> grid<b>)</b>
Scales down picture by specified amount. (See scale factor above) <br>
<br><b>inlet 1 </b><b>method</b> grid <b>(</b><i>grid(1 or 2)</i> grid<b>)</b> sets scale factor<br>
<br><b>outlet 0 </b><b>method</b> grid <b>(</b><i>grid((factor/y) (factor/x) channels)</i> grid<b>)</b> <br>
<br></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td colspan="4" bgcolor="#ffb080"><b> class </b><a name="#spread">#spread</a></td></tr><tr><td></td><td valign="top"><br>
<img src="flow_classes/%23spread-icon.png" alt="[#spread]" border="0"><br clear="left"><br><br><a href="#spread"><img src="images/see_screenshot.png" border="0"></a><br clear="left"><br></td><td><br>
<p>typically you plug a <kbd><font color="#007777">[#for]</font></kbd> into this object,
and you plug this object into the left side of a <kbd><font color="#007777">[#store]</font></kbd>. it will
scatter pixels around, giving an "unpolished glass" effect.</p> <p>if you put a picture in it, however, it will add noise. The
resulting values may be out of range, so you may need to clip them
using min/max.</p> <br><b>method</b> init <b>(</b>factor<b>)</b> <br>
<br><b>inlet 0 </b><b>method</b> grid <b>(</b><i>grid</i> grid<b>)</b> a coordinate map.<br>
<br><b>inlet 1 </b><b>method</b> int <b>(</b><b>)</b> a spread factor.<br>
<br><b>outlet 0 </b><b>method</b> grid <b>(</b><i>grid</i> grid<b>)</b> a coordinate map.<br>
<p><kbd><font color="#007777">[#spread]</font></kbd> scatters the pixels in an image. Not all original pixels
will appear, and some may get duplicated (triplicated, etc)
randomly. Some wrap-around effect will occur close to the edges. </p> <p> Sending an integer to inlet 1 sets the amount of spreading in
maximum number of pixels + 1. even values translate the whole image
by half a pixel due to rounding.</p> <br></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td colspan="4" bgcolor="#ffb080"><b> class </b><a name="#rotate">#rotate</a></td></tr><tr><td></td><td valign="top"><br>
<img src="flow_classes/%23rotate-icon.png" alt="[#rotate]" border="0"><br clear="left"><br><br><br clear="left"><br></td><td><br>
<p>performs rotations on indexmaps and polygons and such.</p> <br><b>method</b> init <b>(</b><i>0...35999</i> angle<b>)</b> <br>
<br><b>inlet 0 </b><b>method</b> grid <b>(</b><i>grid(anyA 2)</i> grid<b>)</b> <br>
<br><b>inlet 1 </b><b>method</b> int <b>(</b><b>)</b> rotation angle; 0...36000<br>
<br><b>outlet 0 </b><b>method</b> grid <b>(</b><i>grid(anyA 2)</i> grid<b>)</b> <br>
<br></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td colspan="4" bgcolor="#ffb080"><b> class </b><a name="#remap_image">#remap_image</a></td></tr><tr><td></td><td valign="top"><br>
<img src="flow_classes/%23remap_image-icon.png" alt="[#remap_image]" border="0"><br clear="left"><br><br><br clear="left"><br></td><td><br>
<p>if you chain indexmap (coordinate) transformations from outlet 1
to inlet 1, then sending an image in inlet 0 will emit its
deformation out of outlet 0.</p> <br></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td> </td></tr>
<tr><td colspan="4" bgcolor="black">
<img src="images/black.png" width="1" height="2"></td></tr>
<tr><td colspan="4"><a name="Objects_for_Reporting"></a><h4>Objects for Reporting</h4></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td colspan="4" bgcolor="#ffb080"><b> class </b><a name="#dim">#dim</a></td></tr><tr><td></td><td valign="top"><br>
<img src="flow_classes/%23dim-icon.png" alt="[#dim]" border="0"><br clear="left"><br><br><a href="#dim"><img src="images/see_screenshot.png" border="0"></a><br clear="left"><br></td><td><br>
<p>Returns list of dimensions as a grid. Given a grid sized like Dim(240,320,4), <kbd><font color="#007777">[#dim]</font></kbd> will return a grid like Dim(3), whose values are 240, 320, 4. </p> <br><b>method</b> init <b>(</b><b>)</b>
no arguments. <br>
<br><b>inlet 0 </b><b>method</b> grid <b>(</b><i>grid(dims...)</i> grid<b>)</b>
ignores any data contained within.
sends a grid dim(length of dims) containing dims. <br>
<br><b>outlet 0 </b><b>method</b> grid <b>(</b><i>grid(rank)</i> grid<b>)</b>
the list of dimensions of the incoming grid. <br>
<br></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td colspan="4" bgcolor="#ffb080"><b> class </b><a name="#type">#type</a></td></tr><tr><td></td><td valign="top"><br>
<img src="flow_classes/%23type-icon.png" alt="[#type]" border="0"><br clear="left"><br><br><br clear="left"><br></td><td><br>
<p>gives a symbol representing the numeric type of the grid received. </p> <br><b>outlet 0 </b><b>method</b> <numeric type symbol> <b>(</b><b>)</b> <br>
<br></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td colspan="4" bgcolor="#ffb080"><b> class </b><a name="#print">#print</a></td></tr><tr><td></td><td valign="top"><br>
<img src="flow_classes/%23print-icon.png" alt="[#print]" border="0"><br clear="left"><br><br><br clear="left"><br></td><td><br>
<br><b>method</b> init <b>(</b><b>)</b> <br>
<br><b>inlet 0 </b><b>method</b> grid <b>(</b><i>grid(dims...)</i> grid<b>)</b>
prints the dimensions of the grid.
prints all the grid data if there are 2 dimensions or less. <br>
<br></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td colspan="4" bgcolor="#ffb080"><b> class </b><a name="rubyprint">rubyprint</a></td></tr><tr><td></td><td valign="top"><br>
<img src="flow_classes/rubyprint-icon.png" alt="[rubyprint]" border="0"><br clear="left"><br><br><br clear="left"><br></td><td><br>
This is only for testing the translation from PD to Ruby. <br><b>method</b> init <b>(</b><b>)</b> <br>
<br><b>inlet 0 </b><b>method</b> (any) <b>(</b><b>)</b>
prints the message to the console. <br>
<br></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td colspan="4" bgcolor="#ffb080"><b> class </b><a name="printargs">printargs</a></td></tr><tr><td></td><td valign="top"><br>
<img src="flow_classes/printargs-icon.png" alt="[printargs]" border="0"><br clear="left"><br><br><br clear="left"><br></td><td><br>
This is only for testing the translation from PD to Ruby. <br><b>method</b> init <b>(</b>any...<b>)</b>
prints everything. <br>
<br></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td colspan="4" bgcolor="#ffb080"><b> class </b><a name="display">display</a></td></tr><tr><td></td><td valign="top"><br>
<img src="flow_classes/display-icon.png" alt="[display]" border="0"><br clear="left"><br><br><br clear="left"><br></td><td><br>
GUI object equivalent to [print] and [#print]. <br><b>method</b> (any) <b>(</b><b>)</b>
Displays the received message in the box, resizing the box so that the message fits exactly. <br>
<br></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td> </td></tr>
<tr><td colspan="4" bgcolor="black">
<img src="images/black.png" width="1" height="2"></td></tr>
<tr><td colspan="4"><a name="Objects_for_Color_Conversion"></a><h4>Objects for Color Conversion</h4></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td colspan="4" bgcolor="#ffb080"><b> class </b><a name="#apply_colormap_channelwise">#apply_colormap_channelwise</a></td></tr><tr><td></td><td valign="top"><br>
<img src="flow_classes/%23apply_colormap_channelwise-icon.png" alt="[#apply_colormap_channelwise]" border="0"><br clear="left"><br><br><br clear="left"><br></td><td><br>
<p>This object is useful for color correction. For each pixel
it takes it apart, looks up each part separately in the colormap,
and constructs a new pixel from that. You may also color-correct
colormaps themselves.</p> <p>Only works for things that have 3 channels.</p> <p>Note: if you just need to apply a palette on an indexed-color
picture, you don't need this. Just use #store instead.</p> <br><b>inlet 0 </b><b>method</b> grid <b>(</b><i>grid(rows columns channels)</i> grid<b>)</b>
picture <br>
<br><b>inlet 1 </b><b>method</b> grid <b>(</b><i>grid(intensities channels)</i> grid<b>)</b>
colormap ("palette") <br>
<br><b>outlet 0 </b><b>method</b> grid <b>(</b><i>grid(rows columns channels)</i> grid<b>)</b>
picture <br>
<br></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td colspan="4" bgcolor="#ffb080"><b> class </b><a name="#rgb_to_greyscale">#rgb_to_greyscale</a></td></tr><tr><td></td><td valign="top"><br>
<img src="flow_classes/%23rgb_to_greyscale-icon.png" alt="[#rgb_to_greyscale]" border="0"><br clear="left"><br><br><br clear="left"><br></td><td><br>
<br><b>inlet 0 </b><b>method</b> grid <b>(</b><i>grid(rows columns {red green blue})</i> grid<b>)</b> <br>
<br><b>outlet 0 </b><b>method</b> grid <b>(</b><i>grid(rows columns {white})</i> grid<b>)</b> <br>
<br></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td colspan="4" bgcolor="#ffb080"><b> class </b><a name="#greyscale_to_rgb">#greyscale_to_rgb</a></td></tr><tr><td></td><td valign="top"><br>
<img src="flow_classes/%23greyscale_to_rgb-icon.png" alt="[#greyscale_to_rgb]" border="0"><br clear="left"><br><br><br clear="left"><br></td><td><br>
<br><b>inlet 0 </b><b>method</b> grid <b>(</b><i>grid(rows columns {white})</i> grid<b>)</b> <br>
<br><b>outlet 0 </b><b>method</b> grid <b>(</b><i>grid(rows columns {red green blue})</i> grid<b>)</b> <br>
<br></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td colspan="4" bgcolor="#ffb080"><b> class </b><a name="#yuv_to_rgb">#yuv_to_rgb</a></td></tr><tr><td></td><td valign="top"><br>
<img src="flow_classes/%23yuv_to_rgb-icon.png" alt="[#yuv_to_rgb]" border="0"><br clear="left"><br><br><br clear="left"><br></td><td><br>
<p>note: may change slightly to adapt to actual video standards.</p> <br><b>inlet 0 </b><b>method</b> grid <b>(</b><i>grid(rows columns {y u v})</i> grid<b>)</b> <br>
<br><b>outlet 0 </b><b>method</b> grid <b>(</b><i>grid(rows columns {red green blue})</i> grid<b>)</b> <br>
<br></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td colspan="4" bgcolor="#ffb080"><b> class </b><a name="#rgb_to_yuv">#rgb_to_yuv</a></td></tr><tr><td></td><td valign="top"><br>
<img src="flow_classes/%23rgb_to_yuv-icon.png" alt="[#rgb_to_yuv]" border="0"><br clear="left"><br><br><br clear="left"><br></td><td><br>
<p>note: may change slightly to adapt to actual video standards.</p> <br><b>inlet 0 </b><b>method</b> grid <b>(</b><i>grid(rows columns {red green blue})</i> grid<b>)</b> <br>
<br><b>outlet 0 </b><b>method</b> grid <b>(</b><i>grid(rows columns {y u v})</i> grid<b>)</b> <br>
<br></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td> </td></tr>
<tr><td colspan="4" bgcolor="black">
<img src="images/black.png" width="1" height="2"></td></tr>
<tr><td colspan="4"><a name="Objects_for_Miscellaneous_Picture_Processing"></a><h4>Objects for Miscellaneous Picture Processing</h4></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td colspan="4" bgcolor="#ffb080"><b> class </b><a name="#convolve">#convolve</a></td></tr><tr><td></td><td valign="top"><br>
<img src="flow_classes/%23convolve-icon.png" alt="[#convolve]" border="0"><br clear="left"><br><br><a href="#convolve"><img src="images/see_screenshot.png" border="0"></a><br clear="left"><br></td><td><br>
<p>this is the object for blurring, sharpening, finding edges,
embossing, cellular automata, and many other uses.</p> <br><b>method</b> init <b>(</b><i>numop2</i> op_para<b>, </b><i>numop2</i> op_fold<b>, </b><i>grid</i> seed<b>, </b><i>grid</i> right_hand<b>)</b> <br>
<br><b>inlet 0 </b><b>method</b> grid <b>(</b><i>grid(rows columns rest...)</i> grid<b>)</b>
splits the incoming grid into dim(rest...) parts.
for each of those parts at (y,x), a rectangle of such
parts, centered around (y,x), is combined with the
convolution grid like a <kbd><font color="#007777">[#]</font></kbd> of operation op_para. Then
each such result is folded like <kbd><font color="#007777">[#fold]</font></kbd> of operation
op_fold and specified base. the results are assembled
into a grid that is sent to the outlet. near the borders of
the grid, coordinates wrap around. this means the whole grid
has to be received before production of the next grid
starts. <br>
<br><b>inlet 1 </b><b>method</b> grid <b>(</b><i>grid(rows2 columns2)</i> grid<b>)</b>
this is the convolution grid and it gets stored in
the object. if rows2 and/or columns2 are odd numbers,
then the centre of convolution is the middle of the convolution
grid. if they are even numbers, then the chosen centre will
be slightly more to the left and/or to the top, because the
actual middle is between cells of the grid. <br>
<br><b>outlet 0 </b><b>method</b> grid <b>(</b><i>grid(rows columns rest...)</i> grid<b>)</b> <br>
<br></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td colspan="4" bgcolor="#ffb080"><b> class </b><a name="#contrast">#contrast</a></td></tr><tr><td></td><td valign="top"><br>
<img src="flow_classes/%23contrast-icon.png" alt="[#contrast]" border="0"><br clear="left"><br><br><a href="#contrast"><img src="images/see_screenshot.png" border="0"></a><br clear="left"><br></td><td><br>
<br><b>method</b> init <b>(</b>iwhiteness<b>, </b>contrast<b>)</b> <br>
<br><b>inlet 0 </b><b>method</b> grid <b>(</b><i>grid(rows columns channels)</i> grid<b>)</b>
produces a grid like the incoming grid but with
different constrast. <br>
<p><kbd><font color="#007777">[#contrast]</font></kbd> adjusts the intensity in an image.
resulting values outside 0-255 are automatically clipped.</p> <br><b>inlet 1 </b><b>method</b> int <b>(</b><b>)</b>
this is the secondary contrast (inverse whiteness).
it makes the incoming black
correspond to a certain fraction between output black and the
master contrast value. no effect is 256. default value is 256. <br>
<br><b>inlet 2 </b><b>method</b> int <b>(</b><b>)</b>
this is the master contrast. it makes the incoming white
correspond to a certain fraction between output black and output
white. no effect is 256. default value is 256. <br>
<br><b>outlet </b><b>method</b> grid <b>(</b><i>grid(rows columns channels)</i> grid<b>)</b> <br>
<br></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td colspan="4" bgcolor="#ffb080"><b> class </b><a name="#posterize">#posterize</a></td></tr><tr><td></td><td valign="top"><br>
<img src="flow_classes/%23posterize-icon.png" alt="[#posterize]" border="0"><br clear="left"><br><br><a href="#posterize"><img src="images/see_screenshot.png" border="0"></a><br clear="left"><br></td><td><br>
<p><kbd><font color="#007777">[#posterize]</font></kbd> reduces the number of possible intensities in an image;
it rounds the color values.The effect is mostly apparent with a low
number of levels.</p> <br><b>method</b> init <b>(</b>levels<b>)</b> <br>
<br><b>inlet 0 </b><b>method</b> grid <b>(</b><i>grid(rows columns channels)</i> grid<b>)</b>
produces a posterized picture from the input picture. <br>
<br><b>inlet 1 </b><b>method</b> int <b>(</b><b>)</b>
this is the number of possible levels per channel. the
levels are equally spaced, with the lowest at 0 and the
highest at 255. the minimum number of levels is 2, and the
default value is 2. <br>
<p>example: simulate the 216-color "web" palette using 6 levels.
simulate a 15-bit display using 32 levels.</p> <br></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td colspan="4" bgcolor="#ffb080"><b> class </b><a name="#solarize">#solarize</a></td></tr><tr><td></td><td valign="top"><br>
<img src="flow_classes/%23solarize-icon.png" alt="[#solarize]" border="0"><br clear="left"><br><br><br clear="left"><br></td><td><br>
<p>makes medium intensities brightest; formerly brightest colours
become darkest; formerly darkest stays darkest. This filter is linear:
it's like a 200% contrast except that overflows are <i>mirrored</i>
instead of clipped or wrapped.</p> <br><b>inlet 0 </b><b>method</b> grid <b>(</b><i>grid(rows columns channels)</i> grid<b>)</b> <br>
<br><b>outlet 0 </b><b>method</b> grid <b>(</b><i>grid(rows columns channels)</i> grid<b>)</b> <br>
<br></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td colspan="4" bgcolor="#ffb080"><b> class </b><a name="#checkers">#checkers</a></td></tr><tr><td></td><td valign="top"><br>
<img src="flow_classes/%23checkers-icon.png" alt="[#checkers]" border="0"><br clear="left"><br><br><br clear="left"><br></td><td><br>
<br><b>inlet 0 </b><b>method</b> grid <b>(</b><i>grid(y x {y x})</i> grid<b>)</b>
result from a <kbd><font color="#007777">[#for {0 0} {height width} {1 1}]</font></kbd> <br>
<br><b>outlet 0 </b><b>method</b> grid <b>(</b><i>grid(y x {r g b})</i> grid<b>)</b>
checkered pattern of 50%/75% greys
in 8x8 squares <br>
<br></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td colspan="4" bgcolor="#ffb080"><b> class </b><a name="#layer">#layer</a></td></tr><tr><td></td><td valign="top"><br>
<img src="flow_classes/%23layer-icon.png" alt="[#layer]" border="0"><br clear="left"><br><br><br clear="left"><br></td><td><br>
<br><b>inlet 0 </b><b>method</b> grid <b>(</b><i>grid(y x {r g b a})</i> grid<b>)</b>
a picture that has an opacity channel.
will be used as foreground. <br>
<br><b>inlet 1 </b><b>method</b> grid <b>(</b><i>grid(y x {r g b})</i> grid<b>)</b>
a picture that has NO opacity channel.
will be used as background. <br>
<br><b>outlet 0 </b><b>method</b> grid <b>(</b><i>grid(y x {r g b})</i> grid<b>)</b>
a picture that has NO opacity channel.
the opacity channel of the foreground is used as
a weighting of how much of either picture is seen
in the result. <br>
<br></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td colspan="4" bgcolor="#ffb080"><b> class </b><a name="#draw_image">#draw_image</a></td></tr><tr><td></td><td valign="top"><br>
<img src="flow_classes/%23draw_image-icon.png" alt="[#draw_image]" border="0"><br clear="left"><br><br><br clear="left"><br></td><td><br>
<br><b>method</b> init <b>(</b><i>numop2</i> operator<b>, </b><i>grid(y,x,channels)</i> picture<b>, </b><i>grid({y x})</i> position<b>)</b> <br>
<br><b>inlet 0 </b><b>method</b> grid <b>(</b><i>grid(y x channels)</i> grid<b>)</b>
picture onto which another picture will be superimposed. <br>
<br><b>inlet 0 </b><b>method</b> tile <b>(</b><i>0 or 1</i> flag<b>)</b>
if enabled, inlet 1 picture will be repeated to cover the inlet 0 picture. <br>
<br><b>inlet 0 </b><b>method</b> alpha <b>(</b><i>0 or 1</i> flag<b>)</b>
if enabled, inlet 1 picture will be combined with inlet 0 picture using
the selected operator,
and then blended with inlet 0 picture according to transparency of
the inlet 1 picture, and then inserted in the result.
if disabled, the blending doesn't occur, as the transparency level
is considered to be "opaque". note that with alpha enabled,
the last channel of inlet 1 picture is considered to represent transparency. <br>
<br><b>inlet 1 </b><b>method</b> grid <b>(</b><i>grid(y x channels)</i> grid<b>)</b>
picture that will be superimposed onto another picture. <br>
<br><b>inlet 2 </b><b>method</b> grid <b>(</b><i>grid({y x})</i> grid<b>)</b>
position of the inlet 0 picture corresponding to top-left corner
of inlet 1 picture. <br>
<br><b>outlet 0 </b><b>method</b> grid <b>(</b><i>grid(y x channels)</i> grid<b>)</b>
resulting picture. <br>
<br></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td colspan="4" bgcolor="#ffb080"><b> class </b><a name="#draw_polygon">#draw_polygon</a></td></tr><tr><td></td><td valign="top"><br>
<img src="flow_classes/%23draw_polygon-icon.png" alt="[#draw_polygon]" border="0"><br clear="left"><br><br><br clear="left"><br></td><td><br>
<br><b>method</b> init <b>(</b><i>numop2</i> operator<b>, </b><i>grid(channels)</i> color<b>, </b><i>grid(vertices,{y x})</i> vertices<b>)</b> <br>
<br><b>inlet 0 </b><b>method</b> grid <b>(</b><i>grid(y x channels)</i> grid<b>)</b>
picture on which the polygon will be superimposed. <br>
<br><b>inlet 1 </b><b>method</b> grid <b>(</b><i>grid(channels)</i> grid<b>)</b>
color of each pixel <br>
<br><b>inlet 2 </b><b>method</b> grid <b>(</b><i>grid(vertices {y x})</i> grid<b>)</b>
vertices of the polygon. <br>
<br><b>outlet 0 </b><b>method</b> grid <b>(</b><i>grid(y x channels)</i> grid<b>)</b>
modified picture.
note: starting with 0.7.2, drawing a 1-by-1
square really generates a 1-by-1 square, and
so on. This is because the right-hand border of a
polygon is excluded, whereas it was included
before, leading to slightly-wider-than-expected polygons. <br>
<br></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td colspan="4" bgcolor="#ffb080"><b> class </b><a name="#text_to_image">#text_to_image</a></td></tr><tr><td></td><td valign="top"><br>
<img src="flow_classes/%23text_to_image-icon.png" alt="[#text_to_image]" border="0"><br clear="left"><br><br><br clear="left"><br></td><td><br>
<p>inlet 2 receives a font grid, for example, [#in grid file lucida-typewriter-12.grid.gz]</p> <p>inlet 1 receives a 2 by 3 matrix representing the colours to use (e.g. (2 3 # 0 170 0 255 255 0) means yellow on green)</p> <p>inlet 0 receives a bang, transforming the data into an image suitable for #draw_image.</p> <br></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td colspan="4" bgcolor="#ffb080"><b> class </b><a name="#hueshift">#hueshift</a></td></tr><tr><td></td><td valign="top"><br>
<img src="flow_classes/%23hueshift-icon.png" alt="[#hueshift]" border="0"><br clear="left"><br><br><br clear="left"><br></td><td><br>
<p>inlet 1 receives an angle (0..36000)</p> <p>inlet 0 receives a RGB picture that gets hueshifted by a rotation in the colorwheel by the specified angle; it gets sent to outlet 0.</p> <br></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td> </td></tr>
<tr><td colspan="4" bgcolor="black">
<img src="images/black.png" width="1" height="2"></td></tr>
<tr><td colspan="4"><a name="Other_Objects"></a><h4>Other Objects</h4></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td colspan="4" bgcolor="#ffb080"><b> class </b><a name="rtmetro">rtmetro</a></td></tr><tr><td></td><td valign="top"><br>
<img src="flow_classes/rtmetro-icon.png" alt="[rtmetro]" border="0"><br clear="left"><br><br><br clear="left"><br></td><td><br>
This class has been removed (0.7.7).<br></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td colspan="4" bgcolor="#ffb080"><b> class </b><a name="bindpatcher">bindpatcher</a></td></tr><tr><td></td><td valign="top"><br>
<img src="flow_classes/bindpatcher-icon.png" alt="[bindpatcher]" border="0"><br clear="left"><br><br><br clear="left"><br></td><td><br>
<p>sets the receive-symbol for the Pd patcher it is in.</p> <p>has no inlets, no outlets.</p> <p>EXPERIMENTAL.</p> <br><b>method</b> init <b>(</b><i>symbol</i> symbol<b>)</b> <br>
<br></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td colspan="4" bgcolor="#ffb080"><b> class </b><a name="pingpong">pingpong</a></td></tr><tr><td></td><td valign="top"><br>
<img src="flow_classes/pingpong-icon.png" alt="[pingpong]" border="0"><br clear="left"><br><br><br clear="left"><br></td><td><br>
Transforms linear counting (0, 1, 2, 3, 4, ...) into a back-and-forth counting (0, 1, 2, 1, 0, ...)
from 0 to a specified upper bound. <br><b>method</b> init <b>(</b><i>int</i> top<b>)</b> <br>
<br><b>inlet 1 </b><b>method</b> float <b>(</b><i>float</i> top<b>)</b> <br>
<br><b>inlet 0 </b><b>method</b> float <b>(</b><b>)</b>
a value to be transformed.
If, for example, top=10, then values 0 thru 10 are left unchanged,
values 11 thru 19 are mapped to 9 thru 1 respectively, and 20 thru 30
are mapped to 0 thru 10, and so on. <br>
<br></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td colspan="4" bgcolor="#ffb080"><b> class </b><a name="#global">#global</a></td></tr><tr><td></td><td valign="top"><br>
<img src="flow_classes/%23global-icon.png" alt="[#global]" border="0"><br clear="left"><br><br><a href="#global"><img src="images/see_screenshot.png" border="0"></a><br clear="left"><br></td><td><br>
<p>
objects of this class do nothing by themselves and are just
an access point to features that don't belong to any object in
particular. </p> <br><b>method</b> profiler_reset <b>(</b><b>)</b>
resets all the time counters. <br>
<br><b>method</b> profiler_dump <b>(</b><b>)</b>
displays the time counters in decreasing order, with
the names of the classes those objects are in. this is
an experimental feature. like most statistics,
it could be vaguely relied upon if
only you knew to which extent it is unreliable. more on this
in a future section called "profiling". <br>
<br></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td colspan="4" bgcolor="#ffb080"><b> class </b><a name="fps">fps</a></td></tr><tr><td></td><td valign="top"><br>
<img src="flow_classes/fps-icon.png" alt="[fps]" border="0"><br clear="left"><br><br><br clear="left"><br></td><td><br>
<br><b>method</b> init <b>(</b><i>symbol(real|user|system|cpu)</i> clocktype<b>, </b><i>symbol(detailed)</i> detailed<b>)</b> <br>
<br><b>method</b> init detailed <b>(</b><b>)</b> <br>
<br><b>inlet 0 </b><b>method</b> bang <b>(</b><b>)</b>
Times at which bangs are received are stored until a large
enough sample of those is accumulated. Large enough is defined
to be whenever the timespan exceeds one second. Then a report
is made through the outlet. <br>
<br><b>inlet 0 </b><b>method</b> (else) <b>(</b><b>)</b>
messages other than bangs are ignored. <br>
<br><b>outlet 0 </b><b>method</b> float <b>(</b><b>)</b>
non-detailed mode only.
this is the messages-per-second rating. <br>
<br><b>outlet 0 </b><b>method</b> list(float,6) <b>(</b><b>)</b>
detailed mode only.
this is: messages-per-second, followed by five values of
milliseconds-per-message: minimum, median, maximum, average,
standard deviation.
(the average happens to be simply 1000 divided by the
messages-per-second, but it is convenient to have it anyway) <br>
<br></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td colspan="4" bgcolor="#ffb080"><b> class </b><a name="unix_time">unix_time</a></td></tr><tr><td></td><td valign="top"><br>
<img src="flow_classes/unix_time-icon.png" alt="[unix_time]" border="0"><br clear="left"><br><br><br clear="left"><br></td><td><br>
<p>
This object returns the Unix timestamp. The first
outlet does so with ASCII, the second in seconds and the third outlet
outputs the fractions of seconds up to 1/100 000 th of a second which is useful for creating
filenames. </p> <br><b>inlet 0 </b><b>method</b> bang <b>(</b><b>)</b> <br>
<br><b>outlet 0 </b><b>method</b> symbol <b>(</b><b>)</b> <br>
Outputs the time and date in ASCII format <br><b>outlet 1 </b><b>method</b> float <b>(</b><b>)</b> <br>
Outputs the Unix timestamp in seconds <br><b>outlet 2 </b><b>method</b> float <b>(</b><b>)</b> <br>
Outputs the fractions of a second up to 10 microseconds (?) (actual precision is platform-dependent afaik) <br></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td colspan="4" bgcolor="#ffb080"><b> class </b><a name="ls">ls</a></td></tr><tr><td></td><td valign="top"><br>
<img src="flow_classes/ls-icon.png" alt="[ls]" border="0"><br clear="left"><br><br><br clear="left"><br></td><td><br>
<p>
This object is similar to the Unix list command
'ls'. It returns the names of files in a given
directory. May be used with [listlength] to retrieve the number of files.
Hidden files are displayed. </p> <br><b>inlet 0 </b><b>method</b> symbol <b>(</b><b>)</b>
lists all files in a given directory <br>
<br><b>inlet 0 </b><b>method</b> glob <b>(</b><b>)</b>
lists all files matching a given pattern.
"symbol hello" is like "glob hello/*" <br>
<br></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td colspan="4" bgcolor="#ffb080"><b> class </b><a name="exec">exec</a></td></tr><tr><td></td><td valign="top"><br>
<img src="flow_classes/exec-icon.png" alt="[exec]" border="0"><br clear="left"><br><br><br clear="left"><br></td><td><br>
<p>
This object launches a Unix shell program or script. </p> <br><b>inlet 0 </b><b>method</b> symbol <b>(</b><b>)</b> <br>
<br></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td colspan="4" bgcolor="#ffb080"><b> class </b><a name="renamefile">renamefile</a></td></tr><tr><td></td><td valign="top"><br>
<img src="flow_classes/renamefile-icon.png" alt="[renamefile]" border="0"><br clear="left"><br><br><br clear="left"><br></td><td><br>
<p>
This object accepts a list of two elements as arguments.
The current file name being the first and the second is the desired change
in name. </p> <br><b>inlet 0 </b><b>method</b> list <b>(</b><b>)</b> <br>
<br></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td colspan="4" bgcolor="#ffb080"><b> class </b><a name="plotter_control">plotter_control</a></td></tr><tr><td></td><td valign="top"><br>
<img src="flow_classes/plotter_control-icon.png" alt="[plotter_control]" border="0"><br clear="left"><br><br><br clear="left"><br></td><td><br>
<p>
This object produces HPGL instructions in ASCII form
that can be sent to the comport object in order to control an HPGL
compatible plotter. </p> <br><b>inlet 0 </b><b>method</b> symbol <b>(</b><b>)</b> <br>
<br><b>outlet 0 </b><b>method</b> symbol <b>(</b><b>)</b> <br>
Outputs the HPGL commands in ASCII format <br></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td colspan="4" bgcolor="#ffb080"><b> class </b><a name="rubyarray">rubyarray</a></td></tr><tr><td></td><td valign="top"><br>
<img src="flow_classes/rubyarray-icon.png" alt="[rubyarray]" border="0"><br clear="left"><br><br><br clear="left"><br></td><td><br>
<p>inlet 0 float : sends the specified array entry to outlet 0</p> <p>inlet 1 list: writes that list as an array entry in position last specified by inlet 0.</p> <p>inlet 0 save(symbol filename): writes the array contents to a file of the given filename as a CSV</p> <p>inlet 0 save(symbol filename, symbol format): same thing but using a sprintf string such as %x,%f or whatever</p> <p>inlet 0 load(symbol filename): replace all array contents by the contents of a CSV file</p> <br></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td> </td></tr>
<tr><td colspan="4" bgcolor="black">
<img src="images/black.png" width="1" height="2"></td></tr>
<tr><td colspan="4"><a name="jMax_emulation"></a><h4>jMax emulation</h4></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td></td><td></td><td><p>those classes emulate jMax functionality,
for use within PureData and Ruby.</p></td></tr>
<tr><td></td><td></td><td> </td></tr>
<tr><td colspan="4" bgcolor="#ffb080"><b> class </b><a name="fork">fork</a></td></tr><tr><td></td><td valign="top"><br>
<img src="flow_classes/fork-icon.png" alt="[fork]" border="0"><br clear="left"><br><br><br clear="left"><br></td><td><br>
<p>Every incoming message is sent to inlet 1 and then sent to
inlet 0 as well. Messages remain completely unaltered. Contrast
with PureData's "t a a" objects, which have the same purpose but
transform bangs into zeros and such.</p> <br><b>inlet 0 </b><b>method</b> (any) <b>(</b><b>)</b> <br>
<br></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td colspan="4" bgcolor="#ffb080"><b> class </b><a name="jmax_udpsend">jmax_udpsend</a></td></tr><tr><td></td><td valign="top"><br>
<img src="flow_classes/jmax_udpsend-icon.png" alt="[jmax_udpsend]" border="0"><br clear="left"><br><br><br clear="left"><br></td><td><br>
Sends messages (but not grids nor dspsignals) via UDP (which
does not involve a connection, and may lose packets in case of
network overload or noise or etc). <p>This works with jMax 2.5 and 4.1 but not 4.0.</p> <br><b>method</b> init <b>(</b><i>host</i> host<b>, </b><i>integer</i> port<b>)</b> <br>
<br><b>inlet 0 </b><b>method</b> <any> <b>(</b><b>)</b> <br>
<br></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td colspan="4" bgcolor="#ffb080"><b> class </b><a name="jmax_udpreceive">jmax_udpreceive</a></td></tr><tr><td></td><td valign="top"><br>
<img src="flow_classes/jmax_udpreceive-icon.png" alt="[jmax_udpreceive]" border="0"><br clear="left"><br><br><br clear="left"><br></td><td><br>
<p>Counterpart of jmax_udpsend</p> <p>This works with jMax 2.5 and 4.1 but not 4.0.</p> <br><b>method</b> init <b>(</b><i>integer</i> port<b>)</b> <br>
<br><b>outlet 0 </b><b>method</b> <any> <b>(</b><b>)</b> <br>
<br><b>outlet 1 </b><b>method</b> list <b>(</b>protocol_name<b>, </b>sender_port<b>, </b>sender_host<b>, </b>sender_ip_address<b>)</b> <br>
<br></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td colspan="4" bgcolor="#ffb080"><b> class </b><a name="foreach">foreach</a></td></tr><tr><td></td><td valign="top"><br>
<img src="flow_classes/foreach-icon.png" alt="[foreach]" border="0"><br clear="left"><br><br><br clear="left"><br></td><td><br>
<br><b>inlet 0 </b><b>method</b> list <b>(</b>...<b>)</b>
Outputs N messages, one per list element, in order. <br>
<br></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td colspan="4" bgcolor="#ffb080"><b> class </b><a name="rubysprintf">rubysprintf</a></td></tr><tr><td></td><td valign="top"><br>
<img src="flow_classes/rubysprintf-icon.png" alt="[rubysprintf]" border="0"><br clear="left"><br><br><br clear="left"><br></td><td><br>
<br><b>method</b> init <b>(</b><i>symbol</i> format<b>)</b> <br>
<br><b>inlet 0 </b><b>method</b> list <b>(</b><b>)</b>
Outputs the format string with %-codes replaced
by elements of the list formatted as the %-codes say.
To get a list of those codes, consult a Ruby manual
(Equivalently, Perl, Python, Tcl and C all have equivalents of this,
and it's almost always called sprintf, or the % operator, or both) <br>
<br></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td colspan="4" bgcolor="#ffb080"><b> class </b><a name="listflatten">listflatten</a></td></tr><tr><td></td><td valign="top"><br>
<img src="flow_classes/listflatten-icon.png" alt="[listflatten]" border="0"><br clear="left"><br><br><br clear="left"><br></td><td><br>
<br><b>inlet 0 </b><b>method</b> list <b>(</b>...<b>)</b> <br>
<br></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td colspan="4" bgcolor="#ffb080"><b> class </b><a name="listmake">listmake</a></td></tr><tr><td></td><td valign="top"><br>
<img src="flow_classes/listmake-icon.png" alt="[listmake]" border="0"><br clear="left"><br><br><br clear="left"><br></td><td><br>
Emulation of jMax's [list] (but there cannot be a class named [list] in Pd) <br><b>method</b> init <b>(</b>list...<b>)</b> <br>
<br><b>inlet 0 </b><b>method</b> bang <b>(</b><b>)</b> send "list" to outlet 0<br>
<br><b>inlet 0 </b><b>method</b> list <b>(</b><b>)</b> as sending to inlet 1 and then banging; that is, passes thru and remembers.<br>
<br></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td colspan="4" bgcolor="#ffb080"><b> class </b><a name="listlength">listlength</a></td></tr><tr><td></td><td valign="top"><br>
<img src="flow_classes/listlength-icon.png" alt="[listlength]" border="0"><br clear="left"><br><br><br clear="left"><br></td><td><br>
<br><b>inlet 0 </b><b>method</b> list <b>(</b><b>)</b>
outputs the number of elements in the incoming list. <br>
<br></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td colspan="4" bgcolor="#ffb080"><b> class </b><a name="listelement">listelement</a></td></tr><tr><td></td><td valign="top"><br>
<img src="flow_classes/listelement-icon.png" alt="[listelement]" border="0"><br clear="left"><br><br><br clear="left"><br></td><td><br>
<br><b>method</b> init <b>(</b><i>int</i> index<b>)</b> <br>
<br><b>inlet 0 </b><b>method</b> list <b>(</b>...<b>)</b>
Outputs one element of the list, as selected by "index".
Also accepts negative indices (e.g.: -1 means "last"), like Ruby, but unlike jMax. <br>
<br></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td colspan="4" bgcolor="#ffb080"><b> class </b><a name="listsublist">listsublist</a></td></tr><tr><td></td><td valign="top"><br>
<img src="flow_classes/listsublist-icon.png" alt="[listsublist]" border="0"><br clear="left"><br><br><br clear="left"><br></td><td><br>
<br><b>method</b> init <b>(</b><i>int</i> index<b>, </b><i>int</i> length<b>)</b> <br>
<br><b>inlet 0 </b><b>method</b> list <b>(</b>...<b>)</b>
Outputs consecutive elements of the list, as selected by "index" and "length".
Also accepts negative indices (e.g.: -1 means "last"), like Ruby, but unlike jMax. <br>
<br></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td colspan="4" bgcolor="#ffb080"><b> class </b><a name="listprepend">listprepend</a></td></tr><tr><td></td><td valign="top"><br>
<img src="flow_classes/listprepend-icon.png" alt="[listprepend]" border="0"><br clear="left"><br><br><br clear="left"><br></td><td><br>
<br><b>method</b> init <b>(</b>list...<b>)</b> <br>
<br><b>inlet 0 </b><b>method</b> list <b>(</b>...<b>)</b>
Outputs the stored list followed by the incoming list, all in one message. <br>
<br></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td colspan="4" bgcolor="#ffb080"><b> class </b><a name="listappend">listappend</a></td></tr><tr><td></td><td valign="top"><br>
<img src="flow_classes/listappend-icon.png" alt="[listappend]" border="0"><br clear="left"><br><br><br clear="left"><br></td><td><br>
<br><b>method</b> init <b>(</b>list...<b>)</b> <br>
<br><b>inlet 0 </b><b>method</b> list <b>(</b>...<b>)</b>
Outputs the incoming list followed by the stored list, all in one message. <br>
<br></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td colspan="4" bgcolor="#ffb080"><b> class </b><a name="listreverse">listreverse</a></td></tr><tr><td></td><td valign="top"><br>
<img src="flow_classes/listreverse-icon.png" alt="[listreverse]" border="0"><br clear="left"><br><br><br clear="left"><br></td><td><br>
<br><b>inlet 0 </b><b>method</b> list <b>(</b>...<b>)</b>
Outputs the incoming list, from last element to first element. <br>
<br></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td colspan="4" bgcolor="#ffb080"><b> class </b><a name="oneshot">oneshot</a></td></tr><tr><td></td><td valign="top"><br>
<img src="flow_classes/oneshot-icon.png" alt="[oneshot]" border="0"><br clear="left"><br><br><br clear="left"><br></td><td><br>
Like [spigot], but turns itself off after each message, so you have to turn it on
again to making it pass another message. <br></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td colspan="4" bgcolor="#ffb080"><b> class </b><a name="inv+">inv+</a></td></tr><tr><td></td><td valign="top"><br>
<img src="flow_classes/inv+-icon.png" alt="[inv+]" border="0"><br clear="left"><br><br><br clear="left"><br></td><td><br>
<br><b>method</b> init <b>(</b><i>float</i> b<b>)</b> <br>
<br><b>inlet 0 </b><b>method</b> float <b>(</b><i>float</i> a<b>)</b>
outputs b-a <br>
<br></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td colspan="4" bgcolor="#ffb080"><b> class </b><a name="inv*">inv*</a></td></tr><tr><td></td><td valign="top"><br>
<img src="flow_classes/inv*-icon.png" alt="[inv*]" border="0"><br clear="left"><br><br><br clear="left"><br></td><td><br>
<br><b>method</b> init <b>(</b><i>float</i> b<b>)</b> <br>
<br><b>inlet 0 </b><b>method</b> float <b>(</b><i>float</i> a<b>)</b>
outputs b/a <br>
<br></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td colspan="4" bgcolor="#ffb080"><b> class </b><a name="messageprepend">messageprepend</a></td></tr><tr><td></td><td valign="top"><br>
<img src="flow_classes/messageprepend-icon.png" alt="[messageprepend]" border="0"><br clear="left"><br><br><br clear="left"><br></td><td><br>
(This is not in jMax, but is there to help port $* messageboxes) <br><b>method</b> init <b>(</b>list...<b>)</b> <br>
<br><b>inlet 0 </b><b>method</b> <any> <b>(</b>...<b>)</b>
Like [listprepend], but operates on whole messages, that is, including the selector. <br>
<br></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td colspan="4" bgcolor="#ffb080"><b> class </b><a name="messageappend">messageappend</a></td></tr><tr><td></td><td valign="top"><br>
<img src="flow_classes/messageappend-icon.png" alt="[messageappend]" border="0"><br clear="left"><br><br><br clear="left"><br></td><td><br>
(This is not in jMax, but is there to help port $* messageboxes) <br><b>method</b> init <b>(</b>list...<b>)</b> <br>
<br><b>inlet 0 </b><b>method</b> <any> <b>(</b>...<b>)</b>
Like [listappend], but operates on whole messages, that is, including the selector. <br>
<br></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td colspan="4" bgcolor="#ffb080"><b> class </b><a name="shunt">shunt</a></td></tr><tr><td></td><td valign="top"><br>
<img src="flow_classes/shunt-icon.png" alt="[shunt]" border="0"><br clear="left"><br><br><br clear="left"><br></td><td><br>
Compatible with jMax's [demux]. <br><b>method</b> init <b>(</b>n<b>, </b>i<b>)</b> <br>
<br><b>inlet 0 </b><b>method</b> <any> <b>(</b>...<b>)</b>
Routes a message to the active outlet. <br>
<br><b>inlet 1 </b><b>method</b> int <b>(</b><i>int</i> i<b>)</b>
Selects which outlet is active. <br>
<br></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td colspan="4" bgcolor="#ffb080"><b> class </b><a name="demux">demux</a></td></tr><tr><td></td><td valign="top"><br>
<img src="flow_classes/demux-icon.png" alt="[demux]" border="0"><br clear="left"><br><br><br clear="left"><br></td><td><br>
please use shunt instead (name conflict with another Pd external) <br></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td colspan="4" bgcolor="#ffb080"><b> class </b><a name="range">range</a></td></tr><tr><td></td><td valign="top"><br>
<img src="flow_classes/range-icon.png" alt="[range]" border="0"><br clear="left"><br><br><br clear="left"><br></td><td><br>
<br><b>method</b> init <b>(</b>separators...<b>)</b> <br>
<br><b>inlet 0 </b><b>method</b> float <b>(</b><b>)</b>
a value to be sent to one of the outlets. The first outlet is for values
smaller than the first argument; else the second outlet is for values smaller
than the second argument; and so on; and the last outlet is for values greater
or equal to the last argument. <br>
<br><b>inlet 1..n </b><b>method</b> float <b>(</b><b>)</b>
sets the corresponding separator in the separator list. <br>
<br></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td> </td></tr>
<tr><td colspan="4" bgcolor="black">
<img src="images/black.png" width="1" height="2"></td></tr>
<tr><td colspan="4"><a name="PureData_emulation"></a><h4>PureData emulation</h4></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td colspan="4" bgcolor="#ffb080"><b> class </b><a name="pd_netsend">pd_netsend</a></td></tr><tr><td></td><td valign="top"><br>
<img src="flow_classes/pd_netsend-icon.png" alt="[pd_netsend]" border="0"><br clear="left"><br><br><br clear="left"><br></td><td><br>
same as jmax_udpsend but for PureData UDP connections. <br></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td colspan="4" bgcolor="#ffb080"><b> class </b><a name="pd_netreceive">pd_netreceive</a></td></tr><tr><td></td><td valign="top"><br>
<img src="flow_classes/pd_netreceive-icon.png" alt="[pd_netreceive]" border="0"><br clear="left"><br><br><br clear="left"><br></td><td><br>
same as jmax_udpreceive but for PureData UDP connections. <br></td></tr><tr><td></td><td></td><td> </td></tr>
<tr><td> </td></tr>
<tr><td colspan="4" bgcolor="black">
<img src="images/black.png" width="1" height="2"></td></tr>
<tr><td colspan="4"><a name="(new_documentation)"></a><h4>(new documentation)</h4></td></tr><tr><td colspan="4" bgcolor="#ffb080"><b> class </b><a name="listfind">listfind</a></td></tr><tr><td></td><td valign="top"><br>
<img src="flow_classes/listfind-icon.png" alt="[listfind]" border="0"><br clear="left"><br><br><br clear="left"><br></td><td><br>
<br><b>method</b> _1_list <b>(</b><b>)</b> list to search into<br>
<br><b>method</b> _0_float <b>(</b><b>)</b> float to find in that list<br>
<br><b>method</b> _1_float <b>(</b><b>)</b> position of the incoming float in the stored list<br>
<br></td></tr><tr><td colspan="4" bgcolor="#ffb080"><b> class </b><a name="memstat">memstat</a></td></tr><tr><td></td><td valign="top"><br>
<img src="flow_classes/memstat-icon.png" alt="[memstat]" border="0"><br clear="left"><br><br><br clear="left"><br></td><td><br>
<br><b>method</b> _0_bang <b>(</b><b>)</b> lookup process stats for the currently running pd+ruby and figure out how much RAM it uses.<br>
<br><b>method</b> _0_float <b>(</b><b>)</b> virtual size of RAM in kilobytes (includes swapped out and shared memory)<br>
<br></td></tr><tr><td colspan="4" bgcolor="#ffb080"><b> class </b><a name="regsub">regsub</a></td></tr><tr><td></td><td valign="top"><br>
<img src="flow_classes/regsub-icon.png" alt="[regsub]" border="0"><br clear="left"><br><br><br clear="left"><br></td><td><br>
<br><b>method</b> _1_symbol <b>(</b><b>)</b> a regexp pattern to be found inside of the string<br>
<br><b>method</b> _0_symbol <b>(</b><b>)</b> a string to transform<br>
<br><b>method</b> _2_symbol <b>(</b><b>)</b> a replacement for the found pattern<br>
<br><b>method</b> _0_symbol <b>(</b><b>)</b> the transformed string<br>
<br></td></tr><tr><td colspan="4" bgcolor="#ffb080"><b> class </b><a name="sendgui">sendgui</a></td></tr><tr><td></td><td valign="top"><br>
<img src="flow_classes/sendgui-icon.png" alt="[sendgui]" border="0"><br clear="left"><br><br><br clear="left"><br></td><td><br>
<br><b>method</b> _0_list <b>(</b><b>)</b> a Tcl/Tk command to send to the pd client.<br>
<br></td></tr><tr><td colspan="4" bgcolor="#ffb080"><b> class </b><a name="sys_vgui">sys_vgui</a></td></tr><tr><td></td><td valign="top"><br>
<img src="flow_classes/sys_vgui-icon.png" alt="[sys_vgui]" border="0"><br clear="left"><br><br><br clear="left"><br></td><td><br>
<br><b>method</b> _0_list <b>(</b><b>)</b> a Tcl/Tk command to send to the pd client.<br>
<br></td></tr><tr><td> </td></tr>
<tr><td colspan="4" bgcolor="black">
<img src="images/black.png" width="1" height="2"></td></tr>
<tr><td colspan="4"><a name="(undocumented)"></a><h4>(undocumented)</h4></td></tr><tr><td></td><td></td><td><p>[#edit]</p></td></tr>
<tr><td></td><td></td><td><p>[#in]</p></td></tr>
<tr><td></td><td></td><td><p>[#in:aalib]</p></td></tr>
<tr><td></td><td></td><td><p>[#io:file]</p></td></tr>
<tr><td></td><td></td><td><p>[#io:grid]</p></td></tr>
<tr><td></td><td></td><td><p>[#io:jpeg]</p></td></tr>
<tr><td></td><td></td><td><p>[#io:mpeg]</p></td></tr>
<tr><td></td><td></td><td><p>[#io:opengl]</p></td></tr>
<tr><td></td><td></td><td><p>[#io:png]</p></td></tr>
<tr><td></td><td></td><td><p>[#io:ppm]</p></td></tr>
<tr><td></td><td></td><td><p>[#io:quicktime]</p></td></tr>
<tr><td></td><td></td><td><p>[#io:sdl]</p></td></tr>
<tr><td></td><td></td><td><p>[#io:targa]</p></td></tr>
<tr><td></td><td></td><td><p>[#io:tk]</p></td></tr>
<tr><td></td><td></td><td><p>[#io:videodev]</p></td></tr>
<tr><td></td><td></td><td><p>[#io:window]</p></td></tr>
<tr><td></td><td></td><td><p>[#io:x11]</p></td></tr>
<tr><td></td><td></td><td><p>[#matrix_solve]</p></td></tr>
<tr><td></td><td></td><td><p>[#out]</p></td></tr>
<tr><td></td><td></td><td><p>[#peephole]</p></td></tr>
<tr><td></td><td></td><td><p>[@!]</p></td></tr>
<tr><td></td><td></td><td><p>[@eight]</p></td></tr>
<tr><td></td><td></td><td><p>[@four]</p></td></tr>
<tr><td></td><td></td><td><p>[@global]</p></td></tr>
<tr><td></td><td></td><td><p>[@scale_to]</p></td></tr>
<tr><td></td><td></td><td><p>[@three]</p></td></tr>
<tr><td></td><td></td><td><p>[@two]</p></td></tr>
<tr><td></td><td></td><td><p>[GridObject]</p></td></tr>
<tr><td></td><td></td><td><p>[SoundMixer]</p></td></tr>
<tr><td></td><td></td><td><p>[ascii]</p></td></tr>
<tr><td></td><td></td><td><p>[broken]</p></td></tr>
<tr><td></td><td></td><td><p>[button]</p></td></tr>
<tr><td></td><td></td><td><p>[delcomusb]</p></td></tr>
<tr><td></td><td></td><td><p>[for]</p></td></tr>
<tr><td></td><td></td><td><p>[gfmessagebox]</p></td></tr>
<tr><td></td><td></td><td><p>[gridflow]</p></td></tr>
<tr><td></td><td></td><td><p>[jcomment]</p></td></tr>
<tr><td></td><td></td><td><p>[jmax4_udpreceive]</p></td></tr>
<tr><td></td><td></td><td><p>[jmax4_udpsend]</p></td></tr>
<tr><td></td><td></td><td><p>[joystick_port]</p></td></tr>
<tr><td></td><td></td><td><p>[jpatcher]</p></td></tr>
<tr><td></td><td></td><td><p>[klippeltronics]</p></td></tr>
<tr><td></td><td></td><td><p>[loadbang]</p></td></tr>
<tr><td></td><td></td><td><p>[messbox]</p></td></tr>
<tr><td></td><td></td><td><p>[parallel_port]</p></td></tr>
<tr><td></td><td></td><td><p>[pd_netsocket]</p></td></tr>
<tr><td></td><td></td><td><p>[system]</p></td></tr>
<tr><td></td><td></td><td><p>[toggle]</p></td></tr>
<tr><td> </td></tr>
<td colspan="4" bgcolor="black">
<img src="images/black.png" width="1" height="2"></td></tr>
<tr><td colspan="4">
<p><font size="-1">
GridFlow 0.8.1 Documentation<br>
Copyright © 2001,2002,2003,2004,2005,2006 by Mathieu Bouchard
<a href="mailto:matju@artengine.ca">matju@artengine.ca</a>
</font></p>
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