share/extensions/funcplot.inx

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