I write the macro to read dxf file and use pivy.coin for display line, lwpolyline and circle.
Used External Python Module, dxfgrabber for reads data from dxf file.
Next step, I will try to use pivy.coin display texts, blocks from the dxf file.
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OS: Windows 10
Word size of OS: 64-bit
Word size of FreeCAD: 64-bit
Version: 0.17.10235 (Git)
Build type: Release
Branch: master
Hash: e5fe3d8e107bc604bc868922d82f5fb3611cdd93
Python version: 2.7.8
Qt version: 4.8.7
Coin version: 4.0.0a
OCC version: 7.0.0
Code: Select all
# -*- coding: utf8 -*-
#
# chakkree tiyawongsuwan
#
import dxfgrabber
import FreeCADGui
import Draft , Part
import math
from FreeCAD import Vector
from pivy import coin
from math import radians
path = 'D:\\FreeCAD\\2017\\Python\\ReadDXF\\'
#dxf = dxfgrabber.readfile(path + "Structural_Floor01.dxf")
dxf = dxfgrabber.readfile(path +'A-Plan_Floor1.dxf')
def readDXF2DraftObject():
all_lines = [entity for entity in dxf.entities if entity.dxftype == 'LINE']
for iEntry in all_lines:
points=[FreeCAD.Vector(iEntry.start),FreeCAD.Vector(iEntry.end)]
line = Draft.makeWire(points,closed=False,face=True,support=None)
all_lines = [entity for entity in dxf.entities if entity.dxftype == 'LWPOLYLINE']
for iEntry in all_lines:
points =[]
for iPoint in iEntry.points:
#Msg("%f , %f \n"%(iPoint[0],iPoint[1]))
pt1 = FreeCAD.Vector( iPoint[0],iPoint[1] , 0 )
points.append(pt1)
line = Draft.makeWire(points,closed=iEntry.is_closed,face=True,support=None)
def readDXF2Coin():
scale = 1000.0
sg = FreeCADGui.ActiveDocument.ActiveView.getSceneGraph()
all_lines = [entity for entity in dxf.entities if entity.dxftype == 'LINE']
for iEntry in all_lines:
points=[FreeCAD.Vector(iEntry.start),FreeCAD.Vector(iEntry.end)]
sep = coin.SoSeparator()
mat = coin.SoMaterial()
linestyle = coin.SoDrawStyle()
linecoords = coin.SoCoordinate3()
lineset = coin.SoType.fromName("SoBrepEdgeSet").createInstance()
linestyle.linePattern = 0xffff
mat.diffuseColor.setValue([0.494,0.184,0.267])
linecoords.point.setValues([[iEntry.start[0]*scale,iEntry.start[1]*scale,iEntry.start[2]*scale] ,
[iEntry.end[0]*scale,iEntry.end[1]*scale,iEntry.end[2]*scale]])
lineset.coordIndex.setValues(0,2,[0,1])
lineset.coordIndex.setNum(2)
sep.addChild(mat)
sep.addChild(linestyle)
sep.addChild(linecoords)
sep.addChild(lineset)
sg.addChild(sep)
all_lines = [entity for entity in dxf.entities if entity.dxftype == 'LWPOLYLINE']
for iEntry in all_lines:
verts = []
vset = []
i=0
for iPoint in iEntry.points:
verts.append([iPoint[0]*scale,iPoint[1]*scale , 0 ])
vset.append(i)
i += 1
points.append(-1)
sep = coin.SoSeparator()
mat = coin.SoMaterial()
linestyle = coin.SoDrawStyle()
linecoords = coin.SoCoordinate3()
lineset = coin.SoType.fromName("SoBrepEdgeSet").createInstance()
linestyle.linePattern = 0xffff
mat.diffuseColor.setValue([0.0,0.0,0.0])
linecoords.point.setValues(verts)
lineset.coordIndex.setValues(0,len(vset),vset )
lineset.coordIndex.setNum(len(vset))
sep.addChild(mat)
sep.addChild(linestyle)
sep.addChild(linecoords)
sep.addChild(lineset)
sg.addChild(sep)
all_circles = [entity for entity in dxf.entities if entity.dxftype == 'CIRCLE']
for iEntry in all_circles:
rad = iEntry.radius*scale
center = Vector(iEntry.center[0]*scale, iEntry.center[1]*scale, 0)
buf = Part.makeCircle(rad,center).writeInventor()
try:
cin = coin.SoInput()
cin.setBuffer(buf)
cob = coin.SoDB.readAll(cin)
except:
buf = buf.replace("\n","")
pts = re.findall("point \[(.*?)\]",buf)[0]
pts = pts.split(",")
pc = []
for p in pts:
v = p.strip().split()
pc.append([float(v[0]),float(v[1]),float(v[2])])
coords = coin.SoCoordinate3()
coords.point.setValues(0,len(pc),pc)
line = coin.SoLineSet()
line.numVertices.setValue(-1)
mat.diffuseColor.setValue([0.0,0.463,0.0])
bubble = coin.SoSeparator()
bubble.addChild(coords)
bubble.addChild(line)
bubble.addChild(mat)
sep.addChild(bubble)
#readDXF2DraftObject()
readDXF2Coin()
Msg('Done!\n')- Test02.png (421.85 KiB) Viewed 8069 times
- Test01.png (298.75 KiB) Viewed 8069 times
