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Hull and Minkowski operations using OpenSCAD

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This commit is contained in:
Keith Sloan
2013-10-30 10:04:34 +01:00
committed by Sebastian Hoogen
parent 7336a31e44
commit bcb7d02c05
12 changed files with 11930 additions and 9374 deletions
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106
src/Mod/OpenSCAD/importCSG.py
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@@ -27,7 +27,7 @@
#* *
#* *
#***************************************************************************
__title__="FreeCAD OpenSCAD Workbench - CSG importer Version 0.05d"
__title__="FreeCAD OpenSCAD Workbench - CSG importer Version 0.06a"
__author__ = "Keith Sloan <keith@sloan-home.co.uk>"
__url__ = ["http://www.sloan-home.co.uk/ImportCSG"]
@@ -47,7 +47,7 @@ import ply.yacc as yacc
import Part
from OpenSCADFeatures import RefineShape
from OpenSCAD2Dgeom import *
#from OpenSCAD2Dgeom import *
from OpenSCADUtils import *
isspecialorthogonaldeterminant = isspecialorthogonalpython
from OpenSCADFeatures import Twist
@@ -59,8 +59,6 @@ if open.__module__ == '__builtin__':
import tokrules
from tokrules import tokens
#Globals
dxfcache = {}
def translate(context,text):
"convenience function for Qt translator"
from PyQt4 import QtGui
@@ -339,24 +337,15 @@ def p_operation(p):
| rotate_extrude_file
| import_file1
| projection_action
| hull_action
| minkowski_action
'''
p[0] = p[1]
def p_not_supported(p):
'''
not_supported : hull LPAREN keywordargument_list RPAREN OBRACE block_list EBRACE
| minkowski LPAREN keywordargument_list RPAREN OBRACE block_list EBRACE
| glide LPAREN keywordargument_list RPAREN OBRACE block_list EBRACE
'''
if gui and not FreeCAD.ParamGet("User parameter:BaseApp/Preferences/Mod/OpenSCAD").\
GetBool('usePlaceholderForUnsupported'):
from PyQt4 import QtGui
QtGui.QMessageBox.critical(None, unicode(translate('OpenSCAD',"Unsupported Function"))+" : "+p[1],unicode(translate('OpenSCAD',"Press OK")))
else:
from OpenSCADFeatures import OpenSCADPlaceholder
newobj=doc.addObject("Part::FeaturePython",p[1])
OpenSCADPlaceholder(newobj,p[6],str(p[3]))
def placeholder(name,children,arguments):
from OpenSCADFeatures import OpenSCADPlaceholder
newobj=doc.addObject("Part::FeaturePython",name)
OpenSCADPlaceholder(newobj,children,str(arguments))
if gui:
if FreeCAD.ParamGet("User parameter:BaseApp/Preferences/Mod/OpenSCAD").\
GetBool('useViewProviderTree'):
@@ -364,10 +353,39 @@ def p_not_supported(p):
ViewProviderTree(newobj.ViewObject)
else:
newobj.ViewObject.Proxy = 0
#don't hide the children
p[0] = [newobj]
#don't hide the children
return newobj
def CGALorPlaceholder(name,children,arguments=[]):
'''Tries to perform a CGAL opertion by calling scad
if it fails it creates a placeholder object to continue parsing
'''
newobj = process_ObjectsViaOpenSCAD(doc,children,name)
if newobj is not None :
return newobj
else:
return placeholder(name,children,arguments)
def p_hull_action(p):
'hull_action : hull LPAREN RPAREN OBRACE block_list EBRACE'
p[0] = [ CGALorPlaceholder(p[1],p[5]) ]
def p_minkowski_action(p):
'''
minkowski_action : minkowski LPAREN keywordargument_list RPAREN OBRACE block_list EBRACE'''
p[0] = [ CGALorPlaceholder(p[1],p[6],p[3]) ]
def p_not_supported(p):
'''
not_supported : glide LPAREN keywordargument_list RPAREN OBRACE block_list EBRACE
'''
if gui and not FreeCAD.ParamGet("User parameter:BaseApp/Preferences/Mod/OpenSCAD").\
GetBool('usePlaceholderForUnsupported'):
from PyQt4 import QtGui
QtGui.QMessageBox.critical(None, unicode(translate('OpenSCAD',"Unsupported Function"))+" : "+p[1],unicode(translate('OpenSCAD',"Press OK")))
else:
p[0] = [placeholder(p[1],p[6],p[3])]
def p_size_vector(p):
'size_vector : OSQUARE NUMBER COMMA NUMBER COMMA NUMBER ESQUARE'
if printverbose: print "size vector"
@@ -602,10 +620,10 @@ def process_import_file(fname,ext,layer):
if printverbose: print "Importing : "+fname+"."+ext+" Layer : "+layer
if ext.lower() in reverseimporttypes()['Mesh']:
obj=process_mesh_file(fname,ext)
elif ext=='dxf' :
elif ext.lower() == 'dxf' :
obj=processDXF(fname,layer)
else :
if printverbose: print "Unsupported file extension"
else:
raise ValueError, "Unsupported file extension %s" % ext
return(obj)
def process_mesh_file(fname,ext):
@@ -635,6 +653,7 @@ def process_mesh_file(fname,ext):
def processDXF(fname,layer):
global doc
global pathName
from OpenSCAD2Dgeom import importDXFface
if printverbose: print "Process DXF file"
if printverbose: print "File Name : "+fname
if printverbose: print "Layer : "+layer
@@ -642,41 +661,12 @@ def processDXF(fname,layer):
dxfname = fname+'.dxf'
filename = os.path.join(pathName,dxfname)
if printverbose: print "DXF Full path : "+filename
#featname='import_dxf_%s_%s'%(objname,layera)
# reusing an allready imported object does not work if the
#shape in not yet calculated
import importDXF
global dxfcache
layers=dxfcache.get(id(doc),[])
if printverbose: print "Layers : "+str(layers)
if layers:
try:
groupobj=[go for go in layers if (not layer) or go.Label == layer]
except:
groupobj= None
else:
groupobj= None
if not groupobj:
if printverbose: print "Importing Layer"
layers = importDXF.processdxf(doc,filename) or importDXF.layers
dxfcache[id(doc)] = layers[:]
for l in layers:
if gui:
for o in l.Group:
o.ViewObject.hide()
l.ViewObject.hide()
groupobj=[go for go in layers if (not layer) or go.Label == layer]
edges=[]
if not groupobj:
if printverbose: print 'import of layer %s failed' % layer
for shapeobj in groupobj[0].Group:
edges.extend(shapeobj.Shape.Edges)
f=edgestofaces(edges)
face = importDXFface(filename,layer,doc)
#obj=doc.addObject("Part::FeaturePython",'import_dxf_%s_%s'%(objname,layera))
obj=doc.addObject('Part::Feature',"dxf")
obj=doc.addObject('Part::Feature',layer or "dxf")
#ImportObject(obj,groupobj[0]) #This object is not mutable from the GUI
#ViewProviderTree(obj.ViewObject)
obj.Shape=f
obj.Shape=face
if printverbose: print "DXF Diagnostics"
if printverbose: print obj.Shape.ShapeType
if printverbose: print "Closed : "+str(f.isClosed())