share/extensions/funcplot.inx

   1 <?xml version="1.0" encoding="UTF-8"?>
   2 <inkscape-extension xmlns="http://www.inkscape.org/namespace/inkscape/extension">
   3   <_name>Function Plotter</_name>
   4   <id>org.inkscape.effect.funcplot</id>
   5   <dependency type="executable" location="extensions">funcplot.py</dependency>
   6   <dependency type="executable" location="extensions">inkex.py</dependency>
   7   <param name="tab" type="notebook">
   8     <page name="sampling" _gui-text="Range and Sampling">
   9       <param name="xstart" type="float" min="-1000.0" max="1000.0" _gui-text="Start x-value">0.0</param>
  10       <param name="xend" type="float" min="-1000.0" max="1000.0" _gui-text="End x-value">1.0</param>
  11       <param name="times2pi" type="boolean" _gui-text="Multiply x-range by 2*pi">false</param>
  12       <param name="ybottom" type="float" min="-1000.0" max="1000.0" _gui-text="y-value of rectangle's bottom">0.0</param>
  13       <param name="ytop" type="float" min="-1000.0" max="1000.0" _gui-text="y-value of rectangle's top">1.0</param>
  14       <param name="samples" type="int" min="2" max="1000" _gui-text="Samples">8</param>
  15       <param name="isoscale" type="boolean" _gui-text="Isotropic scaling (uses smallest: width/xrange or height/yrange)">false</param>
  16       <param name="polar" type="boolean" _gui-text="Use polar coordinates">true</param>
  17     </page>
  18     <page name="use" _gui-text="Use">
  19       <_param name="funcplotuse" type="description">Select a rectangle before calling effect.
  20 Rectangle determines x and y scales.
  21
  22 With polar coordinates:
  23    Start and End x-values define the angle range in radians.
  24    x scale is set so left and right edges of rectangle are at +/-1.
  25    Isotropic scaling is disabled.
  26    First derivative is always determined numerically.</_param>
  27     </page>
  28     <page name="desc" _gui-text="Functions">
  29       <_param name="pythonfunctions" type="description">Standard python math functions are available:
  30
  31 ceil(x); fabs(x); floor(x); fmod(x,y); frexp(x); ldexp(x,i);
  32 modf(x); exp(x); log(x [, base]); log10(x); pow(x,y); sqrt(x);
  33 acos(x); asin(x); atan(x); atan2(y,x); hypot(x,y);
  34 cos(x); sin(x); tan(x); degrees(x); radians(x);
  35 cosh(x); sinh(x); tanh(x).
  36
  37 The constants pi and e are also available.</_param>
  38     </page>
  39   </param>
  40   <param name="fofx" type="string" _gui-text="Function">exp(-x*x)</param>
  41   <param name="fponum" type="boolean" _gui-text="Calculate first derivative numerically">true</param>
  42   <param name="fpofx" type="string" _gui-text="First derivative">x</param>
  43   <param name="remove" type="boolean" _gui-text="Remove rectangle">true</param>
  44   <param name="drawaxis" type="boolean" _gui-text="Draw Axes">false</param>
  45   <effect>
  46     <object-type>rect</object-type>
  47     <effects-menu>
  48       <submenu _name="Render"/>
  49     </effects-menu>
  50   </effect>
  51   <script>
  52     <command reldir="extensions" interpreter="python">funcplot.py</command>
  53   </script>
  54 </inkscape-extension>