diff options
Diffstat (limited to '')
| -rw-r--r-- | share/extensions/param_curves.inx | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/share/extensions/param_curves.inx b/share/extensions/param_curves.inx new file mode 100644 index 0000000..85f7c32 --- /dev/null +++ b/share/extensions/param_curves.inx @@ -0,0 +1,61 @@ +<?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> + <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="bool" 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="bool" gui-text="Isotropic scaling">false</param> + <label>When set, Isotropic scaling uses smallest of width/xrange or height/yrange</label> + </page> + <page name="use" gui-text="Use"> + <label xml:space="preserve">Select a rectangle before calling the extension, it will determine X and Y scales. +First derivatives are always determined numerically.</label> + </page> + <page name="desc" gui-text="Functions"> + <label>Standard Python math functions are available:</label> + <label xml:space="preserve" translatable="no"> +ceil(x); copysign(x, y); fabs(x); floor(x); fmod(x,y); frexp(x); ldexp(x,i); modf(x); remainder(x, y); trunc(x); + +exp(x); expm1(x); log(x [, base]); log1p(x); log2(x); log10(x); pow(x,y); sqrt(x); + +cos(x); sin(x); tan(x); acos(x); asin(x); atan(x); atan2(y,x); dist(p, q); hypot(x,y); + +degrees(x); radians(x); + +cosh(x); sinh(x); tanh(x); acosh(x); asinh(x); atanh(x); + +erf(x); erfc(x); gamma(x); lgamma(x). + </label> + <label>The constants pi, e and tau are also available.</label> + + <label>Functions from the random library may also be used, + eg. random(); randint(a, b); uniform(a, b).</label> + </page> + <page name="Help" gui-text="Help"> + <label>This extension creates a parametric plot of a vector valued function (in variable t).</label> + + <label>In order to use the extension, select a rectangle first. The rectangle will serve as bounding box of the plot.</label> + </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="bool" gui-text="Remove rectangle">true</param> + <param name="drawaxis" type="bool" gui-text="Draw Axes">false</param> + <effect> + <object-type>rect</object-type> + <effects-menu> + <submenu name="Render"/> + </effects-menu> + </effect> + <script> + <command location="inx" interpreter="python">param_curves.py</command> + </script> +</inkscape-extension> |