diff options
Diffstat (limited to 'share/extensions/funcplot.py')
| -rw-r--r-- | share/extensions/funcplot.py | 21 |
1 files changed, 16 insertions, 5 deletions
diff --git a/share/extensions/funcplot.py b/share/extensions/funcplot.py index 126429853..0beaf3946 100644 --- a/share/extensions/funcplot.py +++ b/share/extensions/funcplot.py @@ -30,7 +30,7 @@ from math import * from random import * def drawfunction(xstart, xend, ybottom, ytop, samples, width, height, left, bottom, - fx = "sin(x)", fpx = "cos(x)", fponum = True, times2pi = False, polar = False, isoscale = True, drawaxis = True): + fx = "sin(x)", fpx = "cos(x)", fponum = True, times2pi = False, polar = False, isoscale = True, drawaxis = True, endpts = False): if times2pi == True: xstart = 2 * pi * xstart @@ -122,7 +122,11 @@ def drawfunction(xstart, xend, ybottom, ytop, samples, width, height, left, bott dy0 = fp(xstart) # Start curve - a.append([' M ',[coordx(x0), coordy(y0)]]) # initial moveto + if endpts: + a.append([' M ',[left, coordy(0)]]) + a.append([' L ',[coordx(x0), coordy(y0)]]) + else: + a.append([' M ',[coordx(x0), coordy(y0)]]) # initial moveto for i in range(int(samples-1)): x1 = (i+1) * step + xstart @@ -153,7 +157,9 @@ def drawfunction(xstart, xend, ybottom, ytop, samples, width, height, left, bott x0 = x1 # Next segment's start is this segments end y0 = y1 dx0 = dx1 # Assume the function is smooth everywhere, so carry over the derivative too - dy0 = dy1 + dy0 = dy1 + if endpts: + a.append([' L ',[left + width, coordy(0)]]) return a class FuncPlot(inkex.Effect): @@ -211,6 +217,10 @@ class FuncPlot(inkex.Effect): action="store", type="inkbool", dest="drawaxis", default=True, help="If True, axis are drawn") + self.OptionParser.add_option("--endpts", + action="store", type="inkbool", + dest="endpts", default=False, + help="If True, end points are added") self.OptionParser.add_option("--tab", action="store", type="string", dest="tab", default="sampling", @@ -257,7 +267,8 @@ class FuncPlot(inkex.Effect): self.options.times2pi, self.options.polar, self.options.isoscale, - self.options.drawaxis))) + self.options.drawaxis, + self.options.endpts))) newpath.set('title', self.options.fofx) #newpath.setAttribute('desc', '!func;' + self.options.fofx + ';' @@ -278,4 +289,4 @@ if __name__ == '__main__': e.affect() -# vim: expandtab shiftwidth=4 tabstop=8 softtabstop=4 encoding=utf-8 textwidth=99 +# vim: expandtab shiftwidth=4 tabstop=8 softtabstop=4 fileencoding=utf-8 textwidth=99 |