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| -rw-r--r-- | share/extensions/funcplot.inx | 69 |
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diff --git a/share/extensions/funcplot.inx b/share/extensions/funcplot.inx new file mode 100644 index 0000000..d752fa9 --- /dev/null +++ b/share/extensions/funcplot.inx @@ -0,0 +1,69 @@ +<?xml version="1.0" encoding="UTF-8"?> +<inkscape-extension xmlns="http://www.inkscape.org/namespace/inkscape/extension"> + <name>Function Plotter</name> + <id>org.inkscape.effect.func_plot</id> + <param name="tab" type="notebook"> + <page name="sampling" gui-text="Range and sampling"> + <param name="xstart" type="float" min="-1000.0" max="1000.0" gui-text="Start X value:">0.0</param> + <param name="xend" type="float" min="-1000.0" max="1000.0" gui-text="End X value:">1.0</param> + <param name="times2pi" type="bool" gui-text="Multiply X range by 2*pi">false</param> + <param name="ybottom" type="float" min="-1000.0" max="1000.0" gui-text="Y value of rectangle's bottom:">0.0</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="Number of samples:">8</param> + <param name="isoscale" type="bool" gui-text="Isotropic scaling">true</param> + <label>When set, Isotropic scaling uses smallest of width/xrange or height/yrange</label> + <param name="polar" type="bool" gui-text="Use polar coordinates">true</param> + </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. If you wish to fill the area, then add x-axis endpoints. + +With polar coordinates: + Start and end X values define the angle range in radians. + X scale is set so that left and right edges of rectangle are at +/-1. + Isotropic scaling is disabled. + First derivative is 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 plot of a function (in variable x).</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="Function:">sin(x)</param> + <param name="fponum" type="bool" gui-text="Calculate first derivative numerically">true</param> + <param name="fpofx" type="string" gui-text="First derivative:">cos(x)</param> + <param name="clip" type="bool" gui-text="Clip with rectangle">false</param> + <param name="remove" type="bool" gui-text="Remove rectangle">true</param> + <param name="drawaxis" type="bool" gui-text="Draw Axes">false</param> + <param name="endpts" type="bool" gui-text="Add x-axis endpoints">false</param> + <effect> + <object-type>rect</object-type> + <effects-menu> + <submenu name="Render"/> + </effects-menu> + </effect> + <script> + <command location="inx" interpreter="python">funcplot.py</command> + </script> +</inkscape-extension> |