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- #!/usr/bin/env python
- '''
- Copyright (C) 2005 Aaron Spike, aaron@ekips.org
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- '''
- import inkex, simplestyle, pturtle, random
-
- def rtree(turtle, size, min):
- if size < min:
- return
- turtle.fd(size)
- turn = random.uniform(20, 40)
- turtle.lt(turn)
- rtree(turtle, size*random.uniform(0.5,0.9), min)
- turtle.rt(turn)
- turn = random.uniform(20, 40)
- turtle.rt(turn)
- rtree(turtle, size*random.uniform(0.5,0.9), min)
- turtle.lt(turn)
- turtle.bk(size)
-
- class RTreeTurtle(inkex.Effect):
- def __init__(self):
- inkex.Effect.__init__(self)
- self.OptionParser.add_option("-s", "--size",
- action="store", type="float",
- dest="size", default=100.0,
- help="initial branch size")
- self.OptionParser.add_option("-m", "--minimum",
- action="store", type="float",
- dest="minimum", default=4.0,
- help="minimum branch size")
- def effect(self):
- new = self.document.createElement('svg:path')
- s = {'stroke-linejoin': 'miter', 'stroke-width': '1.0px',
- 'stroke-opacity': '1.0', 'fill-opacity': '1.0',
- 'stroke': '#000000', 'stroke-linecap': 'butt',
- 'fill': 'none'}
- new.setAttribute('style', simplestyle.formatStyle(s))
- t = pturtle.pTurtle()
- t.pu()
- t.setpos(self.view_center)
- t.pd()
- rtree(t, self.options.size, self.options.minimum)
- new.setAttribute('d', t.getPath())
- self.current_layer.appendChild(new)
-
- e = RTreeTurtle()
- e.affect()
-