1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
|
<?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.funcplot</id>
<dependency type="executable" location="extensions">funcplot.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="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="boolean" _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="boolean" _gui-text="Isotropic scaling (uses smallest of width/xrange or height/yrange)">false</param>
<param name="polar" type="boolean" _gui-text="Use polar coordinates">true</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.
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.</_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="Function">exp(-x*x)</param>
<param name="fponum" type="boolean" _gui-text="Calculate first derivative numerically">true</param>
<param name="fpofx" type="string" _gui-text="First derivative">x</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">funcplot.py</command>
</script>
</inkscape-extension>
|
