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="Number of samples:">8</param>
  15                         <param name="isoscale" type="boolean" _gui-text="Isotropic scaling">false</param>
  16                         <_param name="isoscaledesc" type="description">When set, Isotropic scaling uses smallest of width/xrange or height/yrange</_param>
  17                         <param name="polar" type="boolean" _gui-text="Use polar coordinates">true</param>
  18                 </page>
  19                 <page name="use" _gui-text="Use">
  20                         <_param name="funcplotuse" type="description" xml:space="preserve">Select a rectangle before calling the extension,
  21 it will determine X and Y scales. If you wish to fill the area, then add x-axis endpoints.
  22
  23 With polar coordinates:
  24    Start and end X values define the angle range in radians.
  25    X scale is set so that left and right edges of rectangle are at +/-1.
  26    Isotropic scaling is disabled.
  27    First derivative is always determined numerically.</_param>
  28                 </page>
  29                 <page name="desc" _gui-text="Functions">
  30                         <_param name="pythonfunctions" type="description" xml:space="preserve">Standard Python math functions are available:
  31
  32 ceil(x); fabs(x); floor(x); fmod(x,y); frexp(x); ldexp(x,i);
  33 modf(x); exp(x); log(x [, base]); log10(x); pow(x,y); sqrt(x);
  34 acos(x); asin(x); atan(x); atan2(y,x); hypot(x,y);
  35 cos(x); sin(x); tan(x); degrees(x); radians(x);
  36 cosh(x); sinh(x); tanh(x).
  37
  38 The constants pi and e are also available.</_param>
  39                 </page>
  40         </param>
  41         <param name="fofx" type="string" _gui-text="Function:">exp(-x*x)</param>
  42         <param name="fponum" type="boolean" _gui-text="Calculate first derivative numerically">true</param>
  43         <param name="fpofx" type="string" _gui-text="First derivative:">x</param>
  44         <param name="remove" type="boolean" _gui-text="Remove rectangle">true</param>
  45         <param name="drawaxis" type="boolean" _gui-text="Draw Axes">false</param>
  46         <param name="endpts" type="boolean" _gui-text="Add x-axis endpoints">false</param>
  47         <effect>
  48                 <object-type>rect</object-type>
  49                 <effects-menu>
  50                         <submenu _name="Render"/>
  51                 </effects-menu>
  52         </effect>
  53         <script>
  54                 <command reldir="extensions" interpreter="python">funcplot.py</command>
  55         </script>
  56 </inkscape-extension>