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Inkscape extension descriptor | 2011-07-08 | 2.8 KB | 51 lines |
- <?xml version="1.0" encoding="UTF-8"?>
- <inkscape-extension xmlns="http://www.inkscape.org/namespace/inkscape/extension">
- <_name>Parametric Curves</_name>
- <id>org.inkscape.effect.param_curves</id>
- <dependency type="executable" location="extensions">param_curves.py</dependency>
- <dependency type="executable" location="extensions">inkex.py</dependency>
- <param name="tab" type="notebook">
- <page name="sampling" _gui-text="Range and Sampling">
- <param name="t_start" type="float" min="-1000.0" max="1000.0" _gui-text="Start t-value">0.0</param>
- <param name="t_end" type="float" min="-1000.0" max="1000.0" _gui-text="End t-value">1.0</param>
- <param name="times2pi" type="boolean" _gui-text="Multiply t-range by 2*pi">true</param>
- <param name="xleft" type="float" min="-1000.0" max="1000.0" _gui-text="x-value of rectangle's left">-1.0</param>
- <param name="xright" type="float" min="-1000.0" max="1000.0" _gui-text="x-value of rectangle's right">1.0</param>
- <param name="ybottom" type="float" min="-1000.0" max="1000.0" _gui-text="y-value of rectangle's bottom">-1.0</param>
- <param name="ytop" type="float" min="-1000.0" max="1000.0" _gui-text="y-value of rectangle's top">1.0</param>
- <param name="samples" type="int" min="2" max="1000" _gui-text="Samples">30</param>
- <param name="isoscale" type="boolean" _gui-text="Isotropic scaling (uses smallest: width/xrange or height/yrange)">false</param>
- </page>
- <page name="use" _gui-text="Use">
- <_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.</_param>
- </page>
- <page name="desc" _gui-text="Functions">
- <_param name="pythonfunctions" type="description" xml:space="preserve">Standard Python math functions are available:
-
- ceil(x); fabs(x); floor(x); fmod(x,y); frexp(x); ldexp(x,i);
- modf(x); exp(x); log(x [, base]); log10(x); pow(x,y); sqrt(x);
- acos(x); asin(x); atan(x); atan2(y,x); hypot(x,y);
- cos(x); sin(x); tan(x); degrees(x); radians(x);
- cosh(x); sinh(x); tanh(x).
-
- The constants pi and e are also available.</_param>
- </page>
- </param>
- <param name="fofx" type="string" _gui-text="x-Function">cos(3*t)</param>
- <param name="fofy" type="string" _gui-text="y-Function">sin(5*t)</param>
- <param name="remove" type="boolean" _gui-text="Remove rectangle">true</param>
- <param name="drawaxis" type="boolean" _gui-text="Draw Axes">false</param>
- <effect>
- <object-type>rect</object-type>
- <effects-menu>
- <submenu _name="Render"/>
- </effects-menu>
- </effect>
- <script>
- <command reldir="extensions" interpreter="python">param_curves.py</command>
- </script>
- </inkscape-extension>
-