share/extensions/param_curves.inx

   1 <?xml version="1.0" encoding="UTF-8"?>
   2 <inkscape-extension xmlns="http://www.inkscape.org/namespace/inkscape/extension">
   3     <_name>Parametric Curves</_name>
   4     <id>org.inkscape.effect.param_curves</id>
   5     <dependency type="executable" location="extensions">param_curves.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="t_start"  type="float" min="-1000.0" max="1000.0" _gui-text="Start t-value:">0.0</param>
  10             <param name="t_end"    type="float" min="-1000.0" max="1000.0" _gui-text="End t-value:">1.0</param>
  11             <param name="times2pi" type="boolean"                          _gui-text="Multiply t-range by 2*pi:">true</param>
  12             <param name="xleft"    type="float" min="-1000.0" max="1000.0" _gui-text="x-value of rectangle's left:">-1.0</param>
  13             <param name="xright"   type="float" min="-1000.0" max="1000.0" _gui-text="x-value of rectangle's right:">1.0</param>
  14             <param name="ybottom"  type="float" min="-1000.0" max="1000.0" _gui-text="y-value of rectangle's bottom:">-1.0</param>
  15             <param name="ytop"     type="float" min="-1000.0" max="1000.0" _gui-text="y-value of rectangle's top:">1.0</param>
  16             <param name="samples"  type="int"   min="2"       max="1000"   _gui-text="Samples:">30</param>
  17             <param name="isoscale" type="boolean" _gui-text="Isotropic scaling">false</param>
  18             <_param name="isoscaledesc" type="description">When set, Isotropic scaling uses smallest: width/xrange or height/yrange.</_param>
  19         </page>
  20         <page name="help" _gui-text="Help">
  21             <_param name="funcplotuse" type="description" xml:space="preserve">Select a rectangle before calling the extension, it will determine X and Y scales. First derivatives are always determined numerically.
  22
  23 Standard Python math functions are available:
  24 ceil(x); fabs(x); floor(x); fmod(x,y); frexp(x); ldexp(x,i);
  25 modf(x); exp(x); log(x [, base]); log10(x); pow(x,y); sqrt(x);
  26 acos(x); asin(x); atan(x); atan2(y,x); hypot(x,y);
  27 cos(x); sin(x); tan(x); degrees(x); radians(x);
  28 cosh(x); sinh(x); tanh(x).
  29
  30 The constants pi and e are also available.</_param>
  31         </page>
  32     </param>
  33     <param name="fofx"     type="string"  _gui-text="x-Function:">cos(3*t)</param>
  34     <param name="fofy"     type="string"  _gui-text="y-Function:">sin(5*t)</param>
  35     <param name="remove"   type="boolean" _gui-text="Remove rectangle">true</param>
  36     <param name="drawaxis" type="boolean" _gui-text="Draw Axes">false</param>
  37     <effect>
  38         <object-type>rect</object-type>
  39         <effects-menu>
  40             <submenu _name="Render"/>
  41         </effects-menu>
  42     </effect>
  43     <script>
  44         <command reldir="extensions" interpreter="python">param_curves.py</command>
  45     </script>
  46 </inkscape-extension>