516 lines
25 KiB
Python
516 lines
25 KiB
Python
#!/usr/bin/env python
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'''
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shapes.py
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Copyright (C) 2015-2017 Paco Garcia, www.arakne.es
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2017_07_30: added crossed corners
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copy class of original object if exists
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2017_08_09: rombus moved to From corners tab
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2017_08_17: join circles not need boolen operations now
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join circles added Oval
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2017_08_25: fixed error in objects without style
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in oval sets the minimal radius necessary
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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-----------------------
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'''
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import locale, os, sys, tempfile, webbrowser, math
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try:
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from subprocess import Popen, PIPE
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bsubprocess = True
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except:
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bsubprocess = False
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import inkex, simplestyle, simpletransform
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from fablabchemnitz_arakne_xy import *
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defStyle = [['stroke-width','0.5'],['fill','#f0ff00'],['stroke','#ff0000']]
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locale.setlocale(locale.LC_ALL, '')
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class Shapes(inkex.Effect):
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def addOpt(self, name, Type="string", Default=""):
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self.OptionParser.add_option("--" + name, action="store", type=Type, dest=name, default=Default, help="")
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def __init__(self):
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inkex.Effect.__init__(self)
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sOP = self.OptionParser
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self.addOpt("tab")
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self.addOpt("chamfertype")
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sOP.add_option("--size", action="store", type="float", dest="size", default="20", help="" )
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sOP.add_option("--incdec", action="store", type="float", dest="incdec", default="0", help="" )
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sOP.add_option("--tritype", action="store", type="string", dest="tritype", default="", help="" )
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self.addOpt("spikestype")
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self.addOpt("spikesdir")
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self.addOpt("unit")
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sOP.add_option("--spikesize", action="store", type="float", dest="spikesize", default="2.0", help="" )
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sOP.add_option("--spikesep", action="store", type="float", dest="spikesep", default="0.0", help="" )
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sOP.add_option("--arrowtype", action="store", type="string", dest="arrowtype", default="", help="" )
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sOP.add_option("--headWidth", action="store", type="float", dest="headWidth", default="20.0", help="" )
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sOP.add_option("--headHeight", action="store", type="float", dest="headHeight", default="40.0", help="" )
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sOP.add_option("--arrowWidth", action="store", type="float", dest="arrowWidth", default="10.0", help="" )
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self.addOpt("squareselection", "inkbool", "false")
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self.addOpt("trihside", "inkbool", "false")
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self.addOpt("trivside", "inkbool", "false")
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self.addOpt("copyfill", "inkbool", "false")
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#sOP.add_option("--copyfill", action="store", type="inkbool", dest="copyfill", default="false", help="" )
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sOP.add_option("--deleteorigin", action="store", type="inkbool", dest="deleteorigin", default="false", help="" )
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sOP.add_option("--joincirctype", action="store", type="string", dest="joincirctype", default="", help="" )
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sOP.add_option("--joinradius", action="store", type="float", dest="joinradius", default="0.0", help="" )
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def getU(self, val):
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return self.unittouu( str(val) + self.options.unit )
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def addEle(self, ele, parent, props):
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elem = inkex.etree.SubElement(parent, ele)
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for n in props: elem.set(n,props[n])
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return elem
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def chStyles(self,node,sty):
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style = simplestyle.parseStyle(node.get('style'))
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for n in sty:
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if style.has_key(n[0]): style.pop(n[0], None)
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if n[1]!="": style[n[0]]=n[1]
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node.set('style',simplestyle.formatStyle(style))
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def unit2uu(self, val):
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if hasattr(self,"unittouu") is True:
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return self.unittouu(val)
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else:
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return inkex.unittouu(val)
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def limits(self, node):
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s = simpletransform.computeBBox([node])
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l,r,t,b = (s[0],s[1],s[2],s[3])
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an,al = (r - l, b - t)
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incdec = self.getU(self.options.incdec)
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l, t, r, b, an, al = (l - incdec, t - incdec, r + incdec, b + incdec, an + incdec*2, al + incdec*2)
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return (l,r,t,b,an,al)
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def estilo(self, nn, orig, style=defStyle):
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if self.options.copyfill:
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if orig.get('style'):
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nn.set("style", orig.get('style'))
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if orig.get('class'):
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nn.set("class", orig.get('class'))
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else:
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self.chStyles(nn,style)
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def circleABCD(self,p,r,abcd="ABCD",inverse=False,xtra=None):
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aa = r * 0.551915024494
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parts={
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'A':[XY(0,-r),XY(aa,-r), XY(r, -aa),XY(r,0)],
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'B':[XY(r,0), XY(r, aa), XY(aa, r),XY(0,r)],
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'C':[XY(0,r), XY(-aa,r), XY(-r, aa),XY(-r,0)],
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'D':[XY(-r,0),XY(-r,-aa),XY(-aa,-r),XY(0,-r)]}
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#pA = parts[abcd[0]]
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pA = [XY(p)+N for N in parts[abcd[0]]]
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for aa in abcd[1:]:
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pA = pA + [XY(p)+N for N in parts[aa][1:]]
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if inverse==True: pA.reverse()
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listA = XYList(pA)
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if xtra:
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for n in xtra:
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listA[n].extend(xtra[n])
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return listA
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def draw(self, node, sh='"rombus"'):
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#inkex.errormsg(sh)
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sO = self.options
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l, r, t, b, an, al = self.limits(node)
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sqSel = sO.squareselection
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copyfill = sO.copyfill
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deleteorigin=sO.deleteorigin
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side = min(al,an)
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if sqSel:
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incx=(an-side)/2.0
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l,r,an =(l+incx,r-incx,side)
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incy=(al-side)/2.0
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t +=incy
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b -=incy
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al = side
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cX, cY = (an/2.0,al/2.0)
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pp = node.getparent()
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varBez = 0.551915024494
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a = self.getU(sO.size)
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a_2, a2 = (a / 2.0,a * 2.0)
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dS = "m %sz"
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pnts = [[l+cX,t],[cX,cY],[-cX,cY],[-cX,-cY]]
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aa = a * varBez
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chtype=sO.chamfertype
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tritype=sO.tritype
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if sh=='"chamfer"':
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an2, al2 = ((an-a)/2.0,(al-a)/2.0)
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if chtype=="rombus" and a>0:
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pnts=[[l+cX - a_2,t],[a,0],[an2,al2],[0,a],[-an2,al2],[-a,0],[-an2,-al2],[0,-a]]
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if chtype=="chamfer":
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pnts=[[l+a,t],[an - a2,0],[a,a],[0,al-a2],[-a,a],[-(an - a2),0],[-a,-a],[0,-(al-a2)]]
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if chtype=="chamferinv":
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pnts=[[l,t],[a,0],[-a,a],[an-a,0," z m"],[a,0],[0,a],[a,al," z m"],[0,-a],[-a,a],[-an+a,0," z m"],[-a,-a],[0,a]]
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if chtype=="round":
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pnts = circQ(XY(l,t),a,"B",0,{1:"C"}) + circQ(XY(l,b),a,"A",0,{0:"L",1:"C"}) + circQ(XY(r,b),a,"D",0,{0:"L",1:"C"}) + circQ(XY(r,t),a,"C",0,{0:"L",1:"C"})
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if chtype=="roundinv":
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pnts=[[l,t],[a,0],[0,aa,"c "],[-aa,a],[-a,a],[an-a,0,"z m "],[a,0],[0,a],[-aa,0," c"],[-a,-aa],[-a,-a],
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[a,al-a,"z m "],[0,a],[-a,0],[0,-aa,"c "],[aa,-a],[a,-a],[-an,0,"z m "],[0,a],[a,0],[0,-aa,"c "],[-aa,-a],[-a,-a]]
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if chtype=="rect":
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pnts=[[l+a,t],[an - a2,0],[0,a],[a,0],[0,al-a2],[-a,0],[0,a],[-(an-a2),0],[0,-a],[-a,0],[0,-(al-a2)],[a,0]]
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if chtype=="cross":
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pnts=[[l+an2,t],[a,0],[0,al2],[an2,0],[0,a],[-an2,0],[0,al2],[-a,0],[0,-al2],[-an2,0],[0,-a],[an2,0]]
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if chtype=="starcorners":
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pnts=[[l,t],[cX,al2],[cX,-al2],[-an2,cY],[an2,cY],[-cX,-al2],[-cX,al2],[an2,-cY]]
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if chtype=="starcenter":
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pnts=[[l+cX,t],[a_2,al2], [an2,a_2], [-an2,a_2],[-a_2,al2],[-a_2,-al2],[-an2,-a_2],[an2,-a_2]]
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if chtype=="crosscornersquad":
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pnts=[[l-a,t],[0,-a],[a,0],[0,al+a*2],[-a,0],[0,-a],[an+a*2,0],[0,a],[-a,0],[0,-al-a*2],[a,0],[0,a]]
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if chtype=="crosscornerstri":
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pnts=[[l-a,t],[a,-a],[0,al+a*2],[-a,-a],[an+a*2,0],[-a,a], [0,-al-a*2],[a,a]]
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if chtype=="crosscornersround":
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dS = "M %sZ"
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aa2 = a_2 * varBez
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p1 = circQ(XY(r + a_2, t - a_2),a_2,"DAB",1)
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p2 = circQ(XY(r + a_2, b + a_2),a_2,"ABC",1)
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p3 = circQ(XY(l - a_2, b + a_2),a_2,"BCD",1)
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p4 = circQ(XY(l - a_2, t - a_2),a_2,"CDA",1)
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pnts = p1 + [[r,t],[r,b+a_2-aa2]] + p2 + [[r+a_2-aa2,b],[l-a_2+aa2,b]] + p3 + [[l,b+a_2-aa],[l,t-a_2+aa]] + p4
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pnts[1].append(" C")
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if sh=='"triangles"':
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trihside, trivside=(sO.trihside, sO.trivside)
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if tritype=="isosceles": pnts=[[l+cX,t],[cX,al],[-an,0]]
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if tritype=="equi":
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sqrt3 = 1.7320508075
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height = sqrt3/2*side
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tcx, tcy = ((an - side)/2.0, (al - height)/2.0)
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pnts=[[cX+l,t+tcy],[an/2.0-tcx,height],[-side,0]]
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if tritype=="rect":
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x1 = l + tern(not trivside and trihside,an,0)
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x2 = tern(not trivside and trihside,0,an)
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x3 = tern(trivside and trihside,0,-an)
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pnts=[[x1,t],[x2,tern(not trivside,al,0)],[x3,tern(not trivside,0,al)]]
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if sh=='"spikes"':
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spikestype = sO.spikestype
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spikesdir = sO.spikesdir
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ssep = self.getU(sO.spikesep)
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ss = self.getU(sO.spikesize)
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anX, anY = (int( (an+ssep) / (ss * 2 + ssep)), int( (al+ssep) / (ss * 2 + ssep)))
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iniX, iniY = (((an+ssep) - (anX * (ss * 2 + ssep))) / 2.0, ((al+ssep) - (anY * (ss * 2 + ssep))) / 2.0)
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dir = 1
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pnts = [[l,t],[iniX,0]]
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if spikesdir=='ins': dir = -1.0
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if spikestype=="tri":
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for n in range(anX):
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if spikesdir == 'alt' : dir = 1 if n % 2 == 1 else -1
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pnts.extend([[ss,-ss*dir],[ss,ss*dir]])
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if ssep>0 and n < (anX-1): pnts.append([ssep,0])
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pnts.extend([[iniX,0],[0,iniY]])
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for n in range(anY):
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if spikesdir == 'alt' : dir = 1 if n % 2 == 1 else -1
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pnts.extend([[ss * dir,ss],[-ss * dir,ss]])
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if ssep>0 and n < (anY-1): pnts.append([0, ssep])
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pnts.extend([[0,iniY],[-iniX,0]])
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for n in range(anX):
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if spikesdir == 'alt' : dir = 1 if n % 2 == 1 else -1
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pnts.extend([[-ss,ss*dir],[-ss,-ss*dir]])
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if ssep>0 and n < (anX-1): pnts.append([-ssep,0])
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pnts.extend([[-iniX,0],[0,-iniY]])
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for n in range(anY):
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if spikesdir == 'alt' : dir = 1 if n % 2 == 1 else -1
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pnts.extend([[-ss*dir,-ss],[ss*dir,-ss]])
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if ssep>0 and n < (anY-1): pnts.append([0, -ssep])
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if spikestype=="trirect":
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anX, anY = ( int((an + ssep) / (ss + ssep)), int((al + ssep) / (ss + ssep)) )
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iniX, iniY = (((an + ssep) - (anX * (ss + ssep))) / 2.0, ((al + ssep) - (anY * (ss + ssep))) / 2.0)
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pnts = [[l,t],[iniX,0]]
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for n in range(anX):
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if spikesdir == 'alt' : dir = 1 if n % 2 == 1 else -1
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pnts.extend([[0,-ss*dir],[ss,ss*dir]])
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if ssep>0 and n < (anX-1): pnts.append([ssep,0])
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pnts.extend([[iniX,0],[0,iniY]])
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for n in range(anY):
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if spikesdir == 'alt' : dir = 1 if n % 2 == 1 else -1
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pnts.extend([[ss * dir,0],[-ss * dir,ss]])
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if ssep>0 and n < (anY-1): pnts.append([0, ssep])
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pnts.extend([[0,iniY],[-iniX,0]])
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for n in range(anX):
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if spikesdir == 'alt' : dir = 1 if n % 2 == 1 else -1
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pnts.extend([[0,ss*dir],[-ss,-ss*dir]])
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if ssep>0 and n < (anX-1): pnts.append([-ssep,0])
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pnts.extend([[-iniX,0],[0,-iniY]])
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for n in range(anY):
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if spikesdir == 'alt' : dir = 1 if n % 2 == 1 else -1
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pnts.extend([[-ss*dir,0],[ss*dir,-ss]])
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if ssep>0 and n < (anY-1): pnts.append([0, -ssep])
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if spikestype=="squ":
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anX, anY = ( int((an + ssep) / (ss + ssep)), int((al + ssep) / (ss + ssep)) )
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iniX, iniY = (((an + ssep) - (anX * (ss + ssep))) / 2.0, ((al + ssep) - (anY * (ss + ssep))) / 2.0)
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pnts = [[l,t],[iniX,0]]
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for n in range(anX):
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if spikesdir == 'alt' : dir = 1 if n % 2 == 1 else -1
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pnts.extend([[0,-ss * dir], [ss,0], [0,ss * dir]])
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if ssep>0 and n < (anX-1): pnts.append([ssep,0])
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pnts.extend([[iniX,0],[0,iniY]])
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for n in range(anY):
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if spikesdir == 'alt' : dir = 1 if n % 2 == 1 else -1
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pnts.extend([[ss * dir,0],[0,ss],[-ss * dir,0]])
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if ssep>0 and n < (anY-1): pnts.append([0,ssep])
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pnts.extend([[0,iniY],[-iniX,0]])
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for n in range(anX):
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if spikesdir == 'alt' : dir = 1 if n % 2 == 1 else -1
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pnts.extend([[0,ss * dir],[-ss,0],[0,-ss * dir]])
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if ssep>0 and n < (anX-1): pnts.append([-ssep,0])
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pnts.extend([[-iniX,0],[0,-iniY]])
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for n in range(anY):
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if spikesdir == 'alt' : dir = 1 if n % 2 == 1 else -1
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pnts.extend([[-ss * dir,0],[0,-ss],[ss * dir,0]])
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if ssep>0 and n < (anY-1): pnts.append([0,-ssep])
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if spikestype=="rnd":
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dif = ss - (ss*varBez)
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dBez = ss*varBez
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for n in range(anX):
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if spikesdir == 'alt' : dir = 1 if n % 2 == 1 else -1
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pnts.extend([[0,-dBez * dir," c"],[dif,-ss * dir],[ss,-ss * dir],#fijo
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[dBez,0],[ss,dif * dir],[ss,ss * dir]]) #fijo
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if ssep>0 and n < (anX-1): pnts.append([ssep,0,' l'])
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pnts.extend([[iniX,0," l"],[0,iniY]])
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for n in range(anY):
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if spikesdir == 'alt' : dir = 1 if n % 2 == 1 else -1
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pnts.extend([[dBez * dir,0," c"],[ss * dir,dif],[ss * dir,ss],#fijo
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[0,dBez],[-dif * dir,ss],[-ss * dir,ss]]) #fijo
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if ssep>0 and n < (anY-1): pnts.append([0,ssep,' l'])
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pnts.extend([[0,iniY,' l'],[-iniX,0]])
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for n in range(anX):
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if spikesdir == 'alt' : dir = 1 if n % 2 == 1 else -1
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pnts.extend([[0,dBez * dir," c"],[-dif,ss * dir],[-ss,ss * dir],#fijo
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[-dBez,0],[-ss,-dif * dir],[-ss,-ss * dir]]) #fijo
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if ssep>0 and n < (anX-1): pnts.append([-ssep,0,' l'])
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pnts.extend([[-iniX,0,' l'],[0,-iniY]])
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for n in range(anY):
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if spikesdir == 'alt' : dir = 1 if n % 2 == 1 else -1
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pnts.extend([[-dBez * dir,0," c"],[-ss * dir,-dif],[-ss * dir,-ss],#fijo
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[0,-dBez],[dif * dir,-ss],[ss * dir,-ss]]) #fijo
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if ssep>0 and n < (anY-1): pnts.append([0,-ssep,' l'])
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if spikestype=="wav":
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dif = ss - (ss*varBez)
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dBez = ss*varBez
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for n in range(anX):
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if spikesdir == 'alt' : dir = 1 if n % 2 == 1 else -1
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pnts.extend([[0,-dBez * dir," c"],[dif,-ss * dir],[ss,-ss * dir],#fijo
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[0,dBez*dir],[dBez,ss*dir],[ss,ss * dir]]) #fijo
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if ssep>0 and n < (anX-1): pnts.append([ssep,0,' l'])
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pnts.extend([[iniX,0," l"],[0,iniY]])
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for n in range(anY):
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if spikesdir == 'alt' : dir = 1 if n % 2 == 1 else -1
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pnts.extend([[dBez * dir,0," c"],[ss * dir,dif],[ss * dir,ss],#fijo
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[-dBez*dir,0],[-ss*dir,dBez],[-ss * dir,ss]]) #fijo
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if ssep>0 and n < (anY-1): pnts.append([0,ssep,' l'])
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pnts.extend([[0,iniY,' l'],[-iniX,0]])
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for n in range(anX):
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if spikesdir == 'alt' : dir = 1 if n % 2 == 1 else -1
|
|
pnts.extend([[0,dBez * dir," c"],[-dif,ss * dir],[-ss,ss * dir],#fijo
|
|
[0,-dBez*dir], [-dif, -ss*dir],[-ss,-ss * dir]]) #fijo
|
|
if ssep>0 and n < (anX-1): pnts.append([-ssep,0,' l'])
|
|
|
|
pnts.extend([[-iniX,0,' l'],[0,-iniY]])
|
|
for n in range(anY):
|
|
if spikesdir == 'alt' : dir = 1 if n % 2 == 1 else -1
|
|
pnts.extend([[-dBez * dir,0," c"],[-ss * dir,-dif],[-ss * dir,-ss],#fijo
|
|
[dBez*dir,0],[ss*dir,-dBez],[ss * dir,-ss]]) #fijo
|
|
if ssep>0 and n < (anY-1): pnts.append([0,-ssep,' l'])
|
|
if sh=='"arrow"':
|
|
arrowType=sO.arrowtype
|
|
headH, headW, arrowW = (self.getU(sO.headHeight), self.getU(sO.headWidth), self.getU(sO.arrowWidth))
|
|
hw2=headW/2.0
|
|
if arrowType=="arrowfilled":
|
|
pnts=[[l+cX,t],[hw2,headH],[-(headW-arrowW)/2.0,0],[0,al-headH],[-arrowW,0],[0,-(al-headH)],[-(headW-arrowW)/2.0,0]]
|
|
else:
|
|
dS = "m %s"
|
|
pnts=[[l+cX,t],[0,al],[-hw2,-al+headH,"m "],[hw2,-headH],[hw2,headH]]
|
|
d = ""
|
|
for n in pnts:
|
|
ss = "" if len(n)<3 else n[2]
|
|
d += "%s%s,%s " % (ss, str(n[0]),str(n[1]))
|
|
nn = self.addEle('path',pp, {'d':dS % (d)})
|
|
self.estilo(nn,node)
|
|
|
|
if deleteorigin: node.getparent().remove(node)
|
|
|
|
def makeRel(self,arr):
|
|
b = arr[:]
|
|
for n in range(1,len(arr)):
|
|
s = b[n]
|
|
for i in range(0,n):
|
|
s = s - arr[i]
|
|
b[n] = s
|
|
return b
|
|
|
|
def circle(self,p,r):
|
|
varBez = 0.551915024494
|
|
dS = "m %s"
|
|
aa = r * varBez
|
|
d=""
|
|
pnts=[[p.x - r,p.y],[0,aa,"c "],[r - aa,r],[r,r],[aa,0,"c "],[r,-r+aa],[r,-r],[0,-aa,"c "],[-r+aa,-r],[-r,-r],[-aa,0,"c "],[-r,r-aa],[-r, r]]
|
|
for n in pnts:
|
|
ss = "" if len(n)<3 else n[2]
|
|
d += "%s%s,%s " % (ss, str(n[0]),str(n[1]))
|
|
return d
|
|
|
|
def addTxt(self, node, x, y, text, dy = 0):
|
|
new2 = self.addEle(inkex.addNS('text','svg'), node,{'x':str(x),'y':str(y)})
|
|
new = inkex.etree.SubElement(new2, inkex.addNS('tspan','svg'), {inkex.addNS('role','sodipodi'): 'line'})
|
|
new.set('style','text-align:center; vertical-align:bottom; font-size:10; fill-opacity:1.0;stroke:none; font-weight:normal; font-style:normal; fill:#000000')
|
|
new.set('dy', str(dy))
|
|
new.text = str(text)
|
|
|
|
def circsCone(self, sels, sh='"rombus"'):
|
|
sO = self.options
|
|
copyfill = sO.copyfill
|
|
deleteorigin = sO.deleteorigin
|
|
joincirctype = sO.joincirctype
|
|
r2 = sO.joinradius
|
|
|
|
for nodos in range(len(sels)-1):
|
|
node = sels[nodos]
|
|
node2 = sels[nodos+1]
|
|
lA, rA, tA, bA, anA, alA = self.limits(node)
|
|
lB, rB, tB, bB, anB, alB = self.limits(node2)
|
|
rA, cY = (anA/2.0,alA/2.0)
|
|
rB, cY2 = (anB/2.0,alB/2.0)
|
|
|
|
PtA = XY(lA + rA, tA + cY)
|
|
PtB = XY(lB + rB, tB + cY2)
|
|
if (circleInCircle(PtA,rA,PtB,rB) or circleInCircle(PtB,rB,PtA,rA)):
|
|
pass
|
|
else:
|
|
pp = node.getparent()
|
|
rotAB = XY(PtB).getAngle(PtA)
|
|
dist = PtA.hipo(PtB)
|
|
if joincirctype=='trapecio':
|
|
# alineamos las esferas en Y
|
|
rDif = rA - rB
|
|
Axis = XY(-rDif,0)
|
|
D2 = math.sqrt((dist*dist) - (rDif*rDif)) / dist
|
|
P1 = XY(Axis).mul(rA / dist)
|
|
P2 = XY(-dist,0) + XY(Axis).mul(rB / dist)
|
|
r = P1.VDist(P2)
|
|
Rot1 = XY(P2.x,rB * D2).getAngleD(XY(P2.x + r, rA * D2))
|
|
curva1a = bezs2XYList(createArcBez(rA,-90 -Rot1, -270 + Rot1))
|
|
d = XYListSt(curva1a, rotAB, PtA)
|
|
pnts2 = bezs2XYList(createArcBez(rB, 90 + Rot1, 270 - Rot1),XY(-dist,0))
|
|
d2 = XYListSt(pnts2, rotAB, PtA)
|
|
nn = self.addEle('path',pp, {'d':"M%s L%sZ" % (d,d2)})
|
|
self.estilo(nn,node)
|
|
# ################## B L O B ##############
|
|
if joincirctype=='blob':
|
|
if ((r2==0) and (dist<(rA+rB))):
|
|
r2 = dist - rB
|
|
if (r2 > 0):
|
|
rad1 = rA + r2
|
|
rad2 = rB + r2
|
|
a = (math.pow(dist,2) - math.pow(rB+r2,2) + math.pow(rA+r2,2))/(dist*2)
|
|
else:
|
|
r2 = dist - rA - rB
|
|
rad1 = dist - rB
|
|
rad2 = dist - rA
|
|
a = (math.pow(dist-rB,2) - math.pow(dist-rA,2) + math.pow(dist,2))/(dist*2);
|
|
# alineamos las esferas en Y
|
|
|
|
rt = math.atan2(PtB.y - PtA.y, PtB.x - PtA.x)
|
|
# # distancia del centro 1 a la interseccion de los circulos
|
|
x = (dist * dist - rad2 * rad2 + rad1 * rad1) / (dist*2)
|
|
if (rad1 * rad1 - x * x) > 0 :
|
|
catB = math.sqrt(rad1 * rad1 - x * x)
|
|
|
|
rt = math.degrees(XY(0,0).getAngle(XY(-x, -catB)))
|
|
rt2 = math.degrees(XY(0,0).getAngle(XY(-(dist - x), -catB)))
|
|
|
|
curva1 = bezs2XYList(createArcBez(rA, rt, -rt))
|
|
curva1.reverse()
|
|
curva2 = bezs2XYList(createArcBez(r2, -180 + rt, -rt2),XY(-x, -catB))
|
|
curva3 = bezs2XYList(createArcBez(rB, rt2+180,180-rt2),XY(-dist, 0))
|
|
curva3.reverse()
|
|
curva4 = bezs2XYList(createArcBez(r2, rt2, 180 - rt),XY(-x, catB))
|
|
|
|
curva1= curva1+curva2[1:]+curva3[1:]+curva4[1:]
|
|
sCurva1 = XYListSt(curva1, rotAB, PtA)
|
|
|
|
nn = self.addEle('path',pp,{'d':"M %s" % (sCurva1)})
|
|
self.estilo(nn,node)
|
|
# ################################################
|
|
# ################## O V A L #####################
|
|
# ################################################
|
|
if joincirctype=='oval':
|
|
minR2 = dist + min(rA,rB)
|
|
if r2 < minR2:
|
|
r2 = minR2
|
|
info('Changed radius to '+str(minR2))
|
|
rad1 = r2 - rA
|
|
rad2 = r2 - rB
|
|
a = (math.pow(dist,2) - math.pow(rB+r2,2) + math.pow(rA+r2,2))/(dist*2)
|
|
|
|
rt = math.atan2(PtB.y - PtA.y, PtB.x - PtA.x)
|
|
D = dist #XY(PtA).sub(PtB).vlength() # distancia entre los centros
|
|
# distancia del centro 1 a la interseccion de los circulos
|
|
x = (D*D - rad2 * rad2 + rad1 * rad1) / (D*2)
|
|
catB = math.sqrt(rad1 * rad1 - x * x)
|
|
|
|
rotAB=XY(PtB).getAngle(PtA)
|
|
rot1 = math.degrees(XY(0,0).getAngle(XY(-x,-catB))) + 180.0
|
|
curva1 = bezs2XYList(createArcBez(rA, -rot1, rot1))
|
|
curva1.reverse()
|
|
rot2 = math.degrees(XY(-dist,0).getAngle(XY(-x,-catB))) +180.0
|
|
curva2 = bezs2XYList(createArcBez(r2, -rot2,-rot1),XY(-x,catB))
|
|
curva2.reverse()
|
|
curva3 = bezs2XYList(createArcBez(rB, rot2,-rot2),XY(-dist,0))
|
|
curva3.reverse()
|
|
curva4 = bezs2XYList(createArcBez(r2, rot1,rot2),XY(-x,-catB))
|
|
curva4.reverse()
|
|
curva1= curva1+curva2[1:]+curva3[1:]+curva4[1:] #+curva3[1:]+curva4[1:]
|
|
sCurva1 = XYListSt(curva1, rotAB, PtA)
|
|
# curva1
|
|
nn = self.addEle('path',pp,{'d':"M %sZ" % (sCurva1),'style':'stroke-width:0.02;fill:#cc0000;stroke:#000000;'})
|
|
self.estilo(nn,node)
|
|
if deleteorigin: node.getparent().remove(node)
|
|
|
|
def draw_shapes(self):
|
|
tab = str(self.options.tab)
|
|
sels = []
|
|
for id, node in self.selected.iteritems():
|
|
sels.append(node)
|
|
if tab != '"extra"':
|
|
for id, node in self.selected.iteritems():
|
|
self.draw(node, tab)
|
|
else:
|
|
if len(sels)<2:
|
|
inkex.errormsg('Select at least two objects')
|
|
else:
|
|
self.circsCone(sels, tab)
|
|
|
|
def loc_str(self, str):
|
|
return locale.format("%.f", float(str), 0)
|
|
|
|
def effect(self):
|
|
slices = self.draw_shapes()
|
|
|
|
if __name__ == "__main__":
|
|
e = Shapes()
|
|
e.affect()
|
|
# 576, 545, 537, 507 |