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import openvoronoi as ovd
import ovdvtk
import time
import vtk
import datetime
import math
import random
import os
import sys
import pickle
import gzip
if __name__ == "__main__":
#w=2500
#h=1500
#w=1920
#h=1080
w=1024
h=1024
myscreen = ovdvtk.VTKScreen(width=w, height=h)
ovdvtk.drawOCLtext(myscreen, rev_text=ovd.version() )
w2if = vtk.vtkWindowToImageFilter()
w2if.SetInput(myscreen.renWin)
lwr = vtk.vtkPNGWriter()
lwr.SetInput( w2if.GetOutput() )
#w2if.Modified()
#lwr.SetFileName("tux1.png")
scale=1
myscreen.render()
random.seed(42)
far = 1
camPos = far
zmult = 3
# camPos/float(1000)
myscreen.camera.SetPosition(0, -camPos/float(1000), zmult*camPos)
myscreen.camera.SetClippingRange(-(zmult+1)*camPos,(zmult+1)*camPos)
myscreen.camera.SetFocalPoint(0.0, 0, 0)
vd = ovd.VoronoiDiagram(far,120)
print ovd.version()
# for vtk visualization
vod = ovdvtk.VD(myscreen,vd,float(scale), textscale=0.01, vertexradius=0.003)
vod.drawFarCircle()
vod.textScale = 0.002
vod.vertexRadius = 0.0031
vod.drawVertices=0
vod.drawVertexIndex=1
vod.drawGenerators=0
vod.offsetEdges = 1
vd.setEdgeOffset(0.01)
linesegs = 1 # switch to turn on/off line-segments
segs = []
#ovd.Point(1,1)
#eps=0.9
p1=ovd.Point(0,0)
p2=ovd.Point(0.4,0.0)
p3=ovd.Point(0.0,0.2)
p4=ovd.Point(0.4,0.2)
#p4=ovd.Point(0.6,0.6)
#p5=ovd.Point(-0.6,0.3)
pts = [p1,p2,p3,p4]
#t_after = time.time()
#print ".done in {0:.3f} s.".format( t_after-t_before )
times=[]
id_list = []
m=0
t_before = time.time()
for p in pts:
id_list.append( vd.addVertexSite( p ) )
#print m," added vertex", seg_id[0]
m=m+1
t_after = time.time()
times.append( t_after-t_before )
#exit()
#print " ",2*Nmax," point-sites sites took {0:.3f}".format(times[0])," seconds, {0:.2f}".format( 1e6*float( times[0] )/(float(2*Nmax)*float(math.log10(2*Nmax))) ) ,"us/n*log(n)"
print "all point sites inserted. "
vd.check()
#nsegs = Nmax
#nsegs = 5 #Nmax
#n=1
t_before = time.time()
#vd.debug_on()
vd.addLineSite( id_list[0], id_list[1])
vd.check()
#vd.debug_on()
vd.addLineSite( id_list[2], id_list[3])
vd.check()
#vd.debug_on()
vd.addLineSite( id_list[0], id_list[2] )
vd.check()
vd.addLineSite( id_list[1], id_list[3] )
vd.check()
t_after = time.time()
line_time = t_after-t_before
if line_time < 1e-3:
line_time = 1
times.append( line_time )
#s = id_list[nsegs]
#vd.debug_on()
#vd.addLineSite( s[0], s[1], 10)
#seg = id_list[nsegs]
#vd.addLineSite(seg[0],seg[1],10)
# 1 identify start/endvert
# 2 add line-segment edges/sites to graph
# 3 identify seed-vertex
# 4 create delete-tree
# 5 add linesite/segments
# 5 create new vertices
# 6 add startpoint pos separator
# 7 add startoiubt neg separator
# 8 add end-point pos separator
# 9 add end-point neg separator
# 10 add new edges
# 11 delete delete-tree edges
# 12 reset status
vod.setVDText2(times)
err = vd.getStat()
#print err
print "got errorstats for ",len(err)," points"
if len(err)>1:
minerr = min(err)
maxerr = max(err)
print "min error= ",minerr
print "max error= ",maxerr
print "num vertices: ",vd.numVertices()
print "num SPLIT vertices: ",vd.numSplitVertices()
calctime = t_after-t_before
vod.setAll()
print "PYTHON All DONE."
myscreen.render()
#w2if.Modified()
#lwr.SetFileName("{0}.png".format(Nmax))
#lwr.Write()
myscreen.iren.Start()
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