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# -*- coding: utf8 -*-
#***************************************************************************
#* Copyright (c) 2012 Keith Sloan <keith@sloan-home.co.uk> *
#* *
#* This program is free software; you can redistribute it and/or modify *
#* it under the terms of the GNU Lesser General Public License (LGPL) *
#* as published by the Free Software Foundation; either version 2 of *
#* the License, or (at your option) any later version. *
#* for detail see the LICENCE text file. *
#* *
#* 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 Library General Public License for more details. *
#* *
#* You should have received a copy of the GNU Library 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 *
#* *
#* Acknowledgements: *
#* *
#* Thanks to shoogen on the FreeCAD forum and Peter Li *
#* for programming advice and some code. *
#* *
#* *
#***************************************************************************
__title__ = "FreeCAD OpenSCAD Workbench - CSG importer"
__author__ = "Keith Sloan <keith@sloan-home.co.uk>"
__url__ = ["http://www.sloan-home.co.uk/ImportCSG"]
printverbose = False
import io
import os
import xml.sax
import FreeCAD
import Part
import Draft
from OpenSCADFeatures import *
from OpenSCADUtils import *
import ply.lex as lex
import ply.yacc as yacc
params = FreeCAD.ParamGet("User parameter:BaseApp/Preferences/Mod/OpenSCAD")
printverbose = params.GetBool('printVerbose', False)
if FreeCAD.GuiUp:
gui = True
else:
if printverbose: print("FreeCAD Gui not present.")
gui = False
hassetcolor = []
alreadyhidden = []
original_root_objects = []
# Get the token map from the lexer. This is required.
import tokrules
from tokrules import tokens
from builtins import open as pyopen
translate = FreeCAD.Qt.translate
def shallHide(subject):
for obj in subject.OutListRecursive:
if "Matrix_Union" in str(obj.FullName):
return False
if "Extrude" in str(obj.FullName):
return True
return False
def setColorRecursively(obj, color, transp):
'''
For some reason a part made by cutting or fusing other parts do not have a color
unless its constituents are also colored. This code sets colors for those
constituents unless already set elsewhere.
'''
obj.ViewObject.ShapeColor = color
obj.ViewObject.Transparency = transp
# Add any other relevant features to this list
boolean_features = ["Part::Fuse", "Part::MultiFuse", "Part::Cut",
"Part::Common", "Part::MultiCommon"]
if obj.TypeId in boolean_features:
for currentObject in obj.OutList:
if printverbose: print(f"Fixing up colors for: {currentObject.FullName}")
if currentObject not in hassetcolor:
setColorRecursively(currentObject, color, transp)
def fixVisibility():
# After an import, only the remaining root objects that we created should be visible, not any
# of their individual component objects. But make sure to only handle the ones we just imported,
# not anything that already existed. And objects that exist at the toplevel without any
# children are ignored.
for root_object in FreeCAD.ActiveDocument.RootObjects:
if root_object not in original_root_objects:
root_object.ViewObject.Visibility = True
for obj in root_object.OutListRecursive:
obj.ViewObject.Visibility = False
def open(filename):
"called when freecad opens a file."
global doc
global pathName
docname = os.path.splitext(os.path.basename(filename))[0]
doc = FreeCAD.newDocument(docname)
if filename.lower().endswith('.scad'):
tmpfile = callopenscad(filename)
pathName = os.path.dirname(os.path.normpath(filename))
processcsg(tmpfile)
try:
os.unlink(tmpfile)
except OSError:
pass
else:
pathName = os.path.dirname(os.path.normpath(filename))
processcsg(filename)
return doc
def insert(filename, docname):
"called when freecad imports a file"
global doc
global pathName
groupname_unused = os.path.splitext(os.path.basename(filename))[0]
try:
doc = FreeCAD.getDocument(docname)
for obj in doc.RootObjects:
original_root_objects.append(obj)
except NameError:
doc = FreeCAD.newDocument(docname)
if filename.lower().endswith('.scad'):
tmpfile = callopenscad(filename)
pathName = os.path.dirname(os.path.normpath(filename))
processcsg(tmpfile)
try:
os.unlink(tmpfile)
except OSError:
pass
else:
pathName = os.path.dirname(os.path.normpath(filename))
processcsg(filename)
def processcsg(filename):
global doc
if printverbose: print('ImportCSG Version 0.6a')
# Build the lexer
if printverbose: print('Start Lex')
lex.lex(module=tokrules)
if printverbose: print('End Lex')
# Build the parser
if printverbose: print('Load Parser')
# Disable generation of debug ('parser.out') and table cache ('parsetab.py'),
# as it requires a writable location
parser = yacc.yacc(debug=False, write_tables=False)
if printverbose: print('Parser Loaded')
f = io.open(filename, 'r', encoding="utf8")
if printverbose: print('Start Parser')
result = parser.parse(f.read())
f.close()
if printverbose:
print('End Parser')
print(result)
if gui:
fixVisibility()
hassetcolor.clear()
alreadyhidden.clear()
FreeCAD.Console.PrintMessage('End processing CSG file\n')
doc.recompute()
def p_block_list_(p):
'''
block_list : statement
| block_list statement
| statementwithmod
| block_list statementwithmod
'''
if(len(p) > 2):
if printverbose: print(p[2])
p[0] = p[1] + p[2]
else:
p[0] = p[1]
def p_render_action(p):
'render_action : render LPAREN keywordargument_list RPAREN OBRACE block_list EBRACE'
if printverbose: print("Render (ignored)")
p[0] = p[6]
def p_group_action1(p):
'group_action1 : group LPAREN RPAREN OBRACE block_list EBRACE'
if printverbose: print("Group")
# Test need for implicit fuse
if p[5] is None:
p[0] = []
return
if len(p[5]) > 1:
if printverbose: print('Fuse Group')
for obj in p[5]:
checkObjShape(obj)
p[0] = [fuse(p[5], "Group")]
else:
if printverbose: print(f"Group {p[5]} type {type(p[5])}")
checkObjShape(p[5])
p[0] = p[5]
def p_group_action2(p):
'group_action2 : group LPAREN RPAREN SEMICOL'
if printverbose: print("Group2")
p[0] = []
def p_boolean(p):
'''
boolean : true
| false
'''
p[0] = p[1]
def p_stripped_string(p):
'stripped_string : STRING'
p[0] = p[1].strip('"')
def p_statement(p):
'''statement : part
| operation
| multmatrix_action
| group_action1
| group_action2
| color_action
| render_action
| not_supported
'''
p[0] = p[1]
def p_anymodifier(p):
'''anymodifier : MODIFIERBACK
| MODIFIERDEBUG
| MODIFIERROOT
| MODIFIERDISABLE
'''
# just return the plain modifier for now
# has to be changed when the modifiers are implemented
# please note that disabled objects usually are stripped of the CSG output during compilation
p[0] = p[1]
def p_statementwithmod(p):
'''statementwithmod : anymodifier statement'''
# ignore the modifiers but add them to the label
modifier = p[1]
obj = p[2]
if hasattr(obj, 'Label'):
obj.Label = modifier + obj.Label
p[0] = obj
def p_part(p):
'''
part : sphere_action
| cylinder_action
| cube_action
| circle_action
| square_action
| text_action
| polygon_action_nopath
| polygon_action_plus_path
| polyhedron_action
'''
p[0] = p[1]
def p_2d_point(p):
'2d_point : OSQUARE NUMBER COMMA NUMBER ESQUARE'
global points_list
if printverbose: print("2D Point")
p[0] = [float(p[2]), float(p[4])]
def p_points_list_2d(p):
'''
points_list_2d : 2d_point COMMA
| points_list_2d 2d_point COMMA
| points_list_2d 2d_point
'''
if p[2] == ',':
p[0] = [p[1]]
else:
if printverbose:
print(p[1])
print(p[2])
p[1].append(p[2])
p[0] = p[1]
def p_3d_point(p):
'3d_point : OSQUARE NUMBER COMMA NUMBER COMMA NUMBER ESQUARE'
global points_list
if printverbose: print("3d point")
p[0] = [p[2], p[4], p[6]]
def p_points_list_3d(p):
'''
points_list_3d : 3d_point COMMA
| points_list_3d 3d_point COMMA
| points_list_3d 3d_point
'''
if p[2] == ',':
if printverbose: print("Start List")
if printverbose: print(p[1])
p[0] = [p[1]]
else:
if printverbose: print(p[1])
if printverbose: print(p[2])
p[1].append(p[2])
p[0] = p[1]
if printverbose: print(p[0])
def p_path_points(p):
'''
path_points : NUMBER COMMA
| path_points NUMBER COMMA
| path_points NUMBER
'''
if p[2] == ',':
p[0] = [int(p[1])]
else:
p[1].append(int(p[2]))
p[0] = p[1]
def p_path_list(p):
'path_list : OSQUARE path_points ESQUARE'
p[0] = p[2]
def p_path_set(p):
'''
path_set : path_list
| path_set COMMA path_list
'''
if len(p) == 2:
p[0] = [p[1]]
else:
p[1].append(p[3])
p[0] = p[1]
def p_operation(p):
'''
operation : difference_action
| intersection_action
| union_action
| rotate_extrude_action
| linear_extrude_with_transform
| rotate_extrude_file
| import_file1
| resize_action
| surface_action
| projection_action
| hull_action
| minkowski_action
| offset_action
'''
p[0] = p[1]
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'):
from OpenSCADFeatures import ViewProviderTree
ViewProviderTree(newobj.ViewObject)
else:
newobj.ViewObject.Proxy = 0
#don't hide the children
return newobj
def CGALFeatureObj(name, children,arguments=[]):
myobj=doc.addObject("Part::FeaturePython", name)
CGALFeature(myobj, name, children, str(arguments))
if gui:
for subobj in children:
subobj.ViewObject.hide()
if FreeCAD.ParamGet("User parameter:BaseApp/Preferences/Mod/OpenSCAD").\
GetBool('useViewProviderTree'):
from OpenSCADFeatures import ViewProviderTree
ViewProviderTree(myobj.ViewObject)
else:
myobj.ViewObject.Proxy = 0
return myobj
def p_offset_action(p):
'offset_action : offset LPAREN keywordargument_list RPAREN OBRACE block_list EBRACE'
subobj = None
if len(p[6]) == 0:
newobj = placeholder('group',[],'{}')
elif (len(p[6]) == 1 ): #single object
subobj = p[6][0]
else:
subobj = fuse(p[6],"Offset Union")
if 'r' in p[3]:
offset = float(p[3]['r'])
if 'delta' in p[3]:
offset = float(p[3]['delta'])
checkObjShape(subobj)
if subobj.Shape.Volume == 0 :
newobj = doc.addObject("Part::Offset2D",'Offset2D')
newobj.Source = subobj
newobj.Value = offset
if 'r' in p[3]:
newobj.Join = 0
else:
newobj.Join = 2
else:
newobj = doc.addObject("Part::Offset",'offset')
newobj.Shape = subobj[0].Shape.makeOffset(offset)
newobj.Document.recompute()
if gui:
subobj.ViewObject.hide()
p[0] = [newobj]
def checkObjShape(obj):
if printverbose: print('Check Object Shape')
if hasattr(obj, 'Shape'):
if obj.Shape.isNull():
if printverbose: print('Shape is Null - recompute')
obj.recompute()
if obj.Shape.isNull():
print(f'Recompute failed : {obj.Name}')
else:
if hasattr(obj, 'Name'):
print(f"obj {obj.Name} has no Shape")
else:
print(f"obj {obj} has no Name & Shape")
def p_hull_action(p):
'hull_action : hull LPAREN RPAREN OBRACE block_list EBRACE'
p[0] = [ CGALFeatureObj(p[1],p[5]) ]
def p_minkowski_action(p):
'''
minkowski_action : minkowski LPAREN keywordargument_list RPAREN OBRACE block_list EBRACE'''
p[0] = [ CGALFeatureObj(p[1],p[6],p[3]) ]
def p_resize_action(p):
'''
resize_action : resize LPAREN keywordargument_list RPAREN OBRACE block_list EBRACE '''
new_size = p[3]['newsize']
auto = p[3]['auto']
p[6][0].recompute()
if p[6][0].Shape.isNull():
doc.recompute()
p[6][0].Shape.tessellate(0.05)
old_bbox = p[6][0].Shape.BoundBox
old_size = [old_bbox.XLength, old_bbox.YLength, old_bbox.ZLength]
for r in range(0,3):
if auto[r] == '1':
new_size[r] = new_size[0]
if new_size[r] == '0':
new_size[r] = str(old_size[r])
# Calculate a transform matrix from the current bounding box to the new one:
transform_matrix = FreeCAD.Matrix()
scale = FreeCAD.Vector(float(new_size[0])/old_size[0],
float(new_size[1])/old_size[1],
float(new_size[2])/old_size[2])
transform_matrix.scale(scale)
new_part=doc.addObject("Part::FeaturePython",'Matrix Deformation')
new_part.Shape = p[6][0].Shape.transformGeometry(transform_matrix)
if gui:
if FreeCAD.ParamGet("User parameter:BaseApp/Preferences/Mod/OpenSCAD").\
GetBool('useViewProviderTree'):
from OpenSCADFeatures import ViewProviderTree
ViewProviderTree(new_part.ViewObject)
else:
new_part.ViewObject.Proxy = 0
p[6][0].ViewObject.hide()
p[0] = [new_part]
def p_not_supported(p):
'''
not_supported : glide LPAREN keywordargument_list RPAREN OBRACE block_list EBRACE
| subdiv LPAREN keywordargument_list RPAREN OBRACE block_list EBRACE
'''
if gui and not FreeCAD.ParamGet("User parameter:BaseApp/Preferences/Mod/OpenSCAD").\
GetBool('usePlaceholderForUnsupported'):
from PySide import QtGui
QtGui.QMessageBox.critical(None, translate('OpenSCAD',"Unsupported Function")+" : "+p[1],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")
p[0] = [p[2],p[4],p[6]]
def p_keywordargument(p):
'''keywordargument : ID EQ boolean
| ID EQ NUMBER
| ID EQ size_vector
| ID EQ vector
| ID EQ 2d_point
| text EQ stripped_string
| ID EQ stripped_string
'''
p[0] = (p[1],p[3])
if printverbose: print(p[0])
def p_keywordargument_list(p):
'''
keywordargument_list : keywordargument
| keywordargument_list COMMA keywordargument
'''
if len(p) == 2:
p[0] = {p[1][0] : p[1][1]}
else:
p[1][p[3][0]] = p[3][1]
p[0]=p[1]
def p_color_action(p):
'color_action : color LPAREN vector RPAREN OBRACE block_list EBRACE'
import math
if printverbose: print("Color")
color = tuple([float(f) for f in p[3][:3]]) #RGB
transp = 100 - int(math.floor(100*float(p[3][3]))) #Alpha
if gui:
for obj in p[6]:
if shallHide(obj):
if "Group" in obj.FullName:
obj.ViewObject.Visibility=False
alreadyhidden.append(obj)
setColorRecursively(obj, color, transp)
hassetcolor.append(obj)
p[0] = p[6]
# Error rule for syntax errors
def p_error(p):
if printverbose: print("Syntax error in input!")
if printverbose: print(p)
def fuse(lst,name):
global doc
if printverbose: print("Fuse")
if printverbose: print(lst)
if len(lst) == 0:
myfuse = placeholder('group',[],'{}')
elif len(lst) == 1:
return lst[0]
# Is this Multi Fuse
elif len(lst) > 2:
if printverbose: print("Multi Fuse")
myfuse = doc.addObject('Part::MultiFuse',name)
myfuse.Shapes = lst
if gui:
for subobj in myfuse.Shapes:
subobj.ViewObject.hide()
else:
if printverbose: print("Single Fuse")
myfuse = doc.addObject('Part::Fuse',name)
myfuse.Base = lst[0]
myfuse.Tool = lst[1]
checkObjShape(myfuse.Base)
checkObjShape(myfuse.Tool)
myfuse.Shape = myfuse.Base.Shape.fuse(myfuse.Tool.Shape)
if gui:
myfuse.Base.ViewObject.hide()
myfuse.Tool.ViewObject.hide()
myfuse.Placement = FreeCAD.Placement()
return myfuse
def p_empty_union_action(p):
'union_action : union LPAREN RPAREN SEMICOL'
if printverbose: print("empty union")
newpart = fuse([],p[1])
if printverbose: print("Push Union Result")
p[0] = [newpart]
if printverbose: print("End Union")
def p_union_action(p):
'union_action : union LPAREN RPAREN OBRACE block_list EBRACE'
if printverbose: print("union")
newpart = fuse(p[5],p[1])
if printverbose: print("Push Union Result")
p[0] = [newpart]
if printverbose: print("End Union")
def p_difference_action(p):
'difference_action : difference LPAREN RPAREN OBRACE block_list EBRACE'
if printverbose: print("difference")
if printverbose: print(len(p[5]))
if printverbose: print(p[5])
if (len(p[5]) == 0 ): #nochild
mycut_unused = placeholder('group',[],'{}')
elif (len(p[5]) == 1 ): #single object
p[0] = p[5]
else:
# Cut using Fuse
mycut = doc.addObject('Part::Cut',p[1])
mycut.Base = p[5][0]
# Can only Cut two objects do we need to fuse extras
if (len(p[5]) > 2 ):
if printverbose: print("Need to Fuse Extra First")
mycut.Tool = fuse(p[5][1:],'union')
else :
mycut.Tool = p[5][1]
checkObjShape(mycut.Tool)
if gui:
mycut.Base.ViewObject.hide()
mycut.Tool.ViewObject.hide()
if printverbose: print("Push Resulting Cut")
p[0] = [mycut]
if printverbose: print("End Cut")
def p_intersection_action(p):
'intersection_action : intersection LPAREN RPAREN OBRACE block_list EBRACE'
if printverbose: print("intersection")
# Is this Multi Common
if (len(p[5]) > 2):
if printverbose: print("Multi Common")
mycommon = doc.addObject('Part::MultiCommon',p[1])
mycommon.Shapes = p[5]
if gui:
for subobj in mycommon.Shapes:
subobj.ViewObject.hide()
elif (len(p[5]) == 2):
if printverbose: print("Single Common")
mycommon = doc.addObject('Part::Common',p[1])
mycommon.Base = p[5][0]
mycommon.Tool = p[5][1]
checkObjShape(mycommon.Base)
checkObjShape(mycommon.Tool)
if gui:
mycommon.Base.ViewObject.hide()
mycommon.Tool.ViewObject.hide()
elif (len(p[5]) == 1):
mycommon = p[5][0]
else : # 1 child
mycommon = placeholder('group',[],'{}')
mycommon.Shape = mycommon.Base.Shape.common(mycommon.Tool.Shape)
p[0] = [mycommon]
if printverbose: print("End Intersection")
def process_rotate_extrude(obj, angle):
newobj=doc.addObject("Part::FeaturePython",'RefineRotateExtrude')
RefineShape(newobj,obj)
if gui:
if FreeCAD.ParamGet("User parameter:BaseApp/Preferences/Mod/OpenSCAD").\
GetBool('useViewProviderTree'):
from OpenSCADFeatures import ViewProviderTree
ViewProviderTree(newobj.ViewObject)
else:
newobj.ViewObject.Proxy = 0
obj.ViewObject.hide()
myrev = doc.addObject("Part::Revolution","RotateExtrude")
myrev.Source = newobj
myrev.Axis = (0.00,1.00,0.00)
myrev.Base = (0.00,0.00,0.00)
myrev.Angle = angle
myrev.Placement = FreeCAD.Placement(FreeCAD.Vector(),FreeCAD.Rotation(0,0,90))
if gui:
newobj.ViewObject.hide()
return myrev
def process_rotate_extrude_prism(obj, angle, n):
newobj=doc.addObject("Part::FeaturePython",'PrismaticToroid')
PrismaticToroid(newobj, obj, angle, n)
newobj.Placement=FreeCAD.Placement(FreeCAD.Vector(),FreeCAD.Rotation(0,0,90))
if gui:
if FreeCAD.ParamGet("User parameter:BaseApp/Preferences/Mod/OpenSCAD").\
GetBool('useViewProviderTree'):
from OpenSCADFeatures import ViewProviderTree
ViewProviderTree(newobj.ViewObject)
else:
newobj.ViewObject.Proxy = 0
obj.ViewObject.hide()
return newobj
def p_rotate_extrude_action(p):
'rotate_extrude_action : rotate_extrude LPAREN keywordargument_list RPAREN OBRACE block_list EBRACE'
if printverbose: print("Rotate Extrude")
angle = 360.0
if 'angle' in p[3]:
angle = float(p[3]['angle'])
n = int(round(float(p[3]['$fn'])))
fnmax = FreeCAD.ParamGet(\
"User parameter:BaseApp/Preferences/Mod/OpenSCAD").\
GetInt('useMaxFN', 16)
if (len(p[6]) > 1) :
part = fuse(p[6],"Rotate Extrude Union")
else :
part = p[6][0]
if n < 3 or fnmax != 0 and n > fnmax:
p[0] = [process_rotate_extrude(part,angle)]
else:
p[0] = [process_rotate_extrude_prism(part,angle,n)]
if printverbose: print("End Rotate Extrude")
def p_rotate_extrude_file(p):
'rotate_extrude_file : rotate_extrude LPAREN keywordargument_list RPAREN SEMICOL'
if printverbose: print("Rotate Extrude File")
angle = 360.0
if 'angle' in p[3]:
angle = float(p[3]['angle'])
filen,ext = p[3]['file'] .rsplit('.',1)
obj = process_import_file(filen,ext,p[3]['layer'])
n = int(round(float(p[3]['$fn'])))
fnmax = FreeCAD.ParamGet(\
"User parameter:BaseApp/Preferences/Mod/OpenSCAD").\
GetInt('useMaxFN', 16)
if n < 3 or fnmax != 0 and n > fnmax:
p[0] = [process_rotate_extrude(obj,angle)]
else:
p[0] = [process_rotate_extrude_prism(obj,angle,n)]
if printverbose: print("End Rotate Extrude File")
def process_linear_extrude(obj,h) :
#if gui:
newobj = doc.addObject("Part::FeaturePython",'RefineLinearExtrude')
RefineShape(newobj,obj)#mylinear)
if gui:
if FreeCAD.ParamGet("User parameter:BaseApp/Preferences/Mod/OpenSCAD").\
GetBool('useViewProviderTree'):
from OpenSCADFeatures import ViewProviderTree
ViewProviderTree(newobj.ViewObject)
else:
newobj.ViewObject.Proxy = 0
obj.ViewObject.hide()
#mylinear.ViewObject.hide()
mylinear = doc.addObject("Part::Extrusion","LinearExtrude")
mylinear.Base = newobj #obj
mylinear.Dir = (0,0,h)
mylinear.Placement=FreeCAD.Placement()
# V17 change to False mylinear.Solid = True
mylinear.Solid = False
if gui:
newobj.ViewObject.hide()
return mylinear
def process_linear_extrude_with_transform(base,height,twist,scale) :
newobj = doc.addObject("Part::FeaturePython",'transform_extrude')
# base is a FreeCAD Object, height & twist are floats, scale is a two-component vector of floats
Twist(newobj,base,height,-twist,scale)
if gui:
if FreeCAD.ParamGet("User parameter:BaseApp/Preferences/Mod/OpenSCAD").\
GetBool('useViewProviderTree'):
from OpenSCADFeatures import ViewProviderTree
ViewProviderTree(newobj.ViewObject)
else:
newobj.ViewObject.Proxy = 0
return newobj
def p_linear_extrude_with_transform(p):
'linear_extrude_with_transform : linear_extrude LPAREN keywordargument_list RPAREN OBRACE block_list EBRACE'
if printverbose: print("Linear Extrude With Transform")
h = float(p[3]['height'])
if printverbose: print("Height : ",h)
s = [1.0,1.0]
t = 0.0
if 'scale' in p[3]:
if isinstance(p[3]['scale'], str):
s = [float(p[3]['scale']), float(p[3]['scale'])]
else:
s = [float(p[3]['scale'][0]), float(p[3]['scale'][1])]
if printverbose: print ("Scale: " + str(s))
if 'twist' in p[3]:
t = float(p[3]['twist'])
if printverbose: print("Twist : ",t)
# Test if null object like from null text
if (len(p[6]) == 0) :
p[0] = []
return
if (len(p[6]) > 1) :
obj = fuse(p[6],"Linear Extrude Union")
else :
obj = p[6][0]
checkObjShape(obj)
if t != 0.0 or s[0] != 1.0 or s[1] != 1.0:
newobj = process_linear_extrude_with_transform(obj,h,t,s)
else:
newobj = process_linear_extrude(obj,h)
if p[3].get('center','false')=='true' :
center(newobj,0,0,h)
p[0] = [newobj]
if gui:
obj.ViewObject.hide()
if printverbose: print("End Linear Extrude with Transform")
def p_import_file1(p):
'import_file1 : import LPAREN keywordargument_list RPAREN SEMICOL'
if printverbose: print("Import File")
filen,ext = p[3]['file'].rsplit('.',1)
p[0] = [process_import_file(filen,ext,p[3]['layer'])]
if printverbose: print("End Import File")
def p_surface_action(p):
'surface_action : surface LPAREN keywordargument_list RPAREN SEMICOL'
if printverbose: print("Surface")
obj = doc.addObject("Part::Feature",'surface')
obj.Shape,xoff,yoff=makeSurfaceVolume(p[3]['file'])
if p[3].get('center','false') == 'true' :
center(obj,xoff,yoff,0.0)
p[0] = [obj]
if printverbose: print("End surface")
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.lower() == 'dxf' :
obj = processDXF(fname,layer)
elif ext.lower() == 'svg':
obj = processSVG(fname, ext)
else:
raise ValueError("Unsupported file extension %s" % ext)
return obj
def processSVG(fname, ext):
from importSVG import svgHandler
if printverbose: print("SVG Handler")
doc = FreeCAD.ActiveDocument
docSVG = FreeCAD.newDocument(fname+'_tmp')
FreeCAD.ActiveDocument = docSVG
# Set up the parser
parser = xml.sax.make_parser()
parser.setFeature(xml.sax.handler.feature_external_ges, False)
parser.setContentHandler(svgHandler())
parser._cont_handler.doc = docSVG
# pathName is a Global
filename = os.path.join(pathName,fname+'.'+ext)
# Use the native Python open which was saved as `pyopen`
parser.parse(pyopen(filename))
#combine SVG objects into one
shapes = []
for obj in FreeCAD.ActiveDocument.Objects:
if printverbose: print(obj.Name)
if printverbose: print(obj.Shape)
shapes.append(obj.Shape)
FreeCAD.closeDocument(docSVG.Name)
FreeCAD.ActiveDocument=doc
obj=doc.addObject('Part::Feature',fname)
obj.Shape=Part.Compound(shapes)
return obj
def process_mesh_file(fname,ext):
import Mesh
import Part
fullname = fname+'.'+ext
filename = os.path.join(pathName,fullname)
objname = os.path.split(fname)[1]
mesh1 = doc.getObject(objname) #reuse imported object
if not mesh1:
Mesh.insert(filename)
mesh1 = doc.getObject(objname)
if mesh1 is not None:
if gui:
mesh1.ViewObject.hide()
sh = Part.Shape()
sh.makeShapeFromMesh(mesh1.Mesh.Topology,0.1)
solid = Part.Solid(sh)
obj = doc.addObject('Part::Feature',"Mesh")
solid = solid.removeSplitter()
if solid.Volume < 0:
solid.complement()
obj.Shape = solid
else: #mesh1 is None
FreeCAD.Console.PrintError('Mesh not imported %s.%s %s\n' % \
(objname,ext,filename))
import Part
obj = doc.addObject('Part::Feature',"FailedMeshImport")
obj.Shape = Part.Compound([])
return obj
def processTextCmd(t):
from OpenSCADUtils import callopenscadstring
tmpfilename = callopenscadstring(t,'dxf')
from OpenSCAD2Dgeom import importDXFface
face = importDXFface(tmpfilename,None,None)
obj = doc.addObject('Part::Feature','text')
obj.Shape = face
try:
os.unlink(tmpfilename)
except OSError:
pass
return obj
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)
if printverbose: print("PathName : "+pathName)
dxfname = fname+'.dxf'
filename = os.path.join(pathName,dxfname)
shortname = os.path.split(fname)[1]
if printverbose: print("DXF Full path : "+filename)
face = importDXFface(filename,layer,doc)
obj=doc.addObject('Part::Feature','dxf_%s_%s' % (shortname,layer or "all"))
obj.Shape=face
if printverbose: print("DXF Diagnostics")
if printverbose: print(obj.Shape.ShapeType)
if printverbose: print("Closed : "+str(obj.Shape.isClosed()))
if printverbose: print(obj.Shape.check())
if printverbose: print([w.isClosed() for w in obj.Shape.Wires])
return obj
def processSTL(fname):
if printverbose: print("Process STL file")
def p_multmatrix_action(p):
'multmatrix_action : multmatrix LPAREN matrix RPAREN OBRACE block_list EBRACE'
if printverbose: print("MultMatrix")
transform_matrix = FreeCAD.Matrix()
if printverbose: print("Multmatrix")
if printverbose: print(p[3])
if gui and p[6]:
parentcolor=p[6][0].ViewObject.ShapeColor
parenttransparency=p[6][0].ViewObject.Transparency
m1l=sum(p[3],[])
if any('x' in me for me in m1l): #hexfloats
m1l=[float.fromhex(me) for me in m1l]
matrixisrounded=False
elif max((len(me) for me in m1l)) >= 14: #might have double precision
m1l=[float(me) for me in m1l] # assume precise output
m1l=[(0 if (abs(me) < 1e-15) else me) for me in m1l]
matrixisrounded=False
else: #trucanted numbers
m1l=[round(float(me),12) for me in m1l] #round
matrixisrounded=True
transform_matrix = FreeCAD.Matrix(*tuple(m1l))
if printverbose: print(transform_matrix)
if printverbose: print("Apply Multmatrix")
# If more than one object on the stack for multmatrix fuse first
if (len(p[6]) == 0) :
part = placeholder('group',[],'{}')
elif (len(p[6]) > 1) :
part = fuse(p[6],"Matrix Union")
else :
part = p[6][0]
if (isspecialorthogonalpython(fcsubmatrix(transform_matrix))) :
if printverbose: print("special orthogonal")
if matrixisrounded:
if printverbose: print("rotation rounded")
plm=FreeCAD.Placement(transform_matrix)
plm=FreeCAD.Placement(plm.Base,roundrotation(plm.Rotation))
part.Placement=plm.multiply(part.Placement)
else:
part.Placement=FreeCAD.Placement(transform_matrix).multiply(\
part.Placement)
new_part = part
elif isrotoinversionpython(fcsubmatrix(transform_matrix)):
if printverbose: print("orthogonal and inversion")
cmat,axisvec = decomposerotoinversion(transform_matrix)
new_part=doc.addObject("Part::Mirroring",'mirr_%s'%part.Name)
new_part.Source=part
new_part.Normal=axisvec
if matrixisrounded:
if printverbose: print("rotation rounded")
plm=FreeCAD.Placement(cmat)
new_part.Placement=FreeCAD.Placement(plm.Base,roundrotation(plm.Rotation))
else:
new_part.Placement=FreeCAD.Placement(cmat)
new_part.Label="mirrored %s" % part.Label
if gui:
part.ViewObject.hide()
elif FreeCAD.ParamGet("User parameter:BaseApp/Preferences/Mod/OpenSCAD").\
GetBool('useMultmatrixFeature'):
from OpenSCADFeatures import MatrixTransform
new_part=doc.addObject("Part::FeaturePython",'Matrix Deformation')
MatrixTransform(new_part,transform_matrix,part)
if gui:
if FreeCAD.ParamGet("User parameter:BaseApp/Preferences/Mod/OpenSCAD").\
GetBool('useViewProviderTree'):
from OpenSCADFeatures import ViewProviderTree
ViewProviderTree(new_part.ViewObject)
else:
new_part.ViewObject.Proxy = 0
part.ViewObject.hide()
else :
if printverbose: print("Transform Geometry")
part.recompute()
if part.Shape.isNull():
doc.recompute()
new_part = doc.addObject("Part::Feature","Matrix Deformation")
new_part.Shape = part.Shape.transformGeometry(transform_matrix)
if gui:
part.ViewObject.hide()
if False :
# Does not fix problemfile or beltTighener although later is closer
newobj=doc.addObject("Part::FeaturePython",'RefineMultMatrix')
RefineShape(newobj,new_part)
if gui:
newobj.ViewObject.Proxy = 0
new_part.ViewObject.hide()
p[0] = [newobj]
else :
p[0] = [new_part]
if gui and p[6]:
new_part.ViewObject.ShapeColor=parentcolor
new_part.ViewObject.Transparency = parenttransparency
if printverbose: print("Multmatrix applied")
def p_matrix(p):
'matrix : OSQUARE vector COMMA vector COMMA vector COMMA vector ESQUARE'
if printverbose: print("Matrix")
p[0] = [p[2],p[4],p[6],p[8]]
def p_vector(p):
'vector : OSQUARE NUMBER COMMA NUMBER COMMA NUMBER COMMA NUMBER ESQUARE'
if printverbose: print("Vector")
p[0] = [p[2],p[4],p[6],p[8]]
def center(obj,x,y,z):
obj.Placement = FreeCAD.Placement(\
FreeCAD.Vector(-x/2.0,-y/2.0,-z/2.0),\
FreeCAD.Rotation(0,0,0,1))
def p_sphere_action(p):
'sphere_action : sphere LPAREN keywordargument_list RPAREN SEMICOL'
if printverbose: print("Sphere : ",p[3])
r = float(p[3]['r'])
mysphere = doc.addObject("Part::Sphere",p[1])
mysphere.Radius = r
if printverbose: print("Push Sphere")
p[0] = [mysphere]
if printverbose: print("End Sphere")
def myPolygon(n,r1):
# Adapted from Draft::_Polygon
import math
if printverbose: print("My Polygon")
angle = math.pi*2/n
nodes = [FreeCAD.Vector(r1,0,0)]
for i in range(n-1) :
th = (i+1) * angle
nodes.append(FreeCAD.Vector(r1*math.cos(th),r1*math.sin(th),0))
nodes.append(nodes[0])
polygonwire = Part.makePolygon(nodes)
polygon = doc.addObject("Part::Feature","Polygon")
polygon.Shape = Part.Face(polygonwire)
return polygon
def p_cylinder_action(p):
'cylinder_action : cylinder LPAREN keywordargument_list RPAREN SEMICOL'
if printverbose: print("Cylinder")
tocenter = p[3].get('center','false')
h = float(p[3]['h'])
r1 = float(p[3]['r1'])
r2 = float(p[3]['r2'])
n = int(round(float(p[3]['$fn'])))
fnmax = FreeCAD.ParamGet(\
"User parameter:BaseApp/Preferences/Mod/OpenSCAD").\
GetInt('useMaxFN', 16)
if printverbose: print(p[3])
if h > 0:
if ( r1 == r2 and r1 > 0):
if printverbose: print("Make Cylinder")
if n < 3 or fnmax != 0 and n > fnmax:
mycyl=doc.addObject("Part::Cylinder",p[1])
mycyl.Height = h
mycyl.Radius = r1
else :
if printverbose: print("Make Prism")
if False: #user Draft Polygon
mycyl=doc.addObject("Part::Extrusion","prism")
mycyl.Dir = (0,0,h)
try :
import Draft
mycyl.Base = Draft.makePolygon(n,r1,face=True)
except Exception:
# If Draft can't import (probably due to lack of Pivy on Mac and
# Linux builds of FreeCAD), this is a fallback.
# or old level of FreeCAD
if printverbose:
print("Draft makePolygon Failed, falling back on manual polygon")
mycyl.Base = myPolygon(n,r1)
else :
pass
if gui:
mycyl.Base.ViewObject.hide()
else: #Use Part::Prism primitive
mycyl=doc.addObject("Part::Prism","prism")
mycyl.Polygon = n
mycyl.Circumradius = r1
mycyl.Height = h
elif (r1 != r2):
if n < 3 or fnmax != 0 and n > fnmax:
if printverbose: print("Make Cone")
mycyl=doc.addObject("Part::Cone",p[1])
mycyl.Height = h
mycyl.Radius1 = r1
mycyl.Radius2 = r2
else:
if printverbose: print("Make Frustum")
mycyl=doc.addObject("Part::FeaturePython",'frustum')
Frustum(mycyl,r1,r2,n,h)
if gui:
if FreeCAD.ParamGet("User parameter:BaseApp/Preferences/Mod/OpenSCAD").\
GetBool('useViewProviderTree'):
from OpenSCADFeatures import ViewProviderTree
ViewProviderTree(mycyl.ViewObject)
else:
mycyl.ViewObject.Proxy = 0
else: # r1 == r2 == 0
FreeCAD.Console.PrintWarning('cylinder with radius zero\n')
mycyl=doc.addObject("Part::Feature","emptycyl")
mycyl.Shape = Part.Compound([])
else: # h == 0
FreeCAD.Console.PrintWarning('cylinder with height <= zero\n')
mycyl=doc.addObject("Part::Feature","emptycyl")
mycyl.Shape = Part.Compound([])
if printverbose: print("Center = ",tocenter)
if tocenter=='true' :
center(mycyl,0,0,h)
if False :
# Does not fix problemfile or beltTighener although later is closer
newobj=doc.addObject("Part::FeaturePython",'RefineCylinder')
RefineShape(newobj,mycyl)
if gui:
if FreeCAD.ParamGet("User parameter:BaseApp/Preferences/Mod/OpenSCAD").\
GetBool('useViewProviderTree'):
from OpenSCADFeatures import ViewProviderTree
ViewProviderTree(newobj.ViewObject)
else:
newobj.ViewObject.Proxy = 0
mycyl.ViewObject.hide()
p[0] = [newobj]
else :
p[0] = [mycyl]
if printverbose: print("End Cylinder")
def p_cube_action(p):
'cube_action : cube LPAREN keywordargument_list RPAREN SEMICOL'
global doc
l,w,h = [float(str1) for str1 in p[3]['size']]
if (l > 0 and w > 0 and h >0):
if printverbose: print("cube : ",p[3])
mycube=doc.addObject('Part::Box',p[1])
mycube.Length=l
mycube.Width=w
mycube.Height=h
else:
FreeCAD.Console.PrintWarning('cube with radius zero\n')
mycube=doc.addObject("Part::Feature","emptycube")
mycube.Shape = Part.Compound([])
if p[3].get('center','false')=='true' :
center(mycube,l,w,h)
p[0] = [mycube]
if printverbose: print("End Cube")
def p_circle_action(p) :
'circle_action : circle LPAREN keywordargument_list RPAREN SEMICOL'
if printverbose: print("Circle : "+str(p[3]))
r = float(p[3]['r'])
# Avoid zero radius
if r == 0 : r = 0.00001
n = int(p[3]['$fn'])
fnmax = FreeCAD.ParamGet(\
"User parameter:BaseApp/Preferences/Mod/OpenSCAD").\
GetInt('useMaxFN',16)
# Alter Max polygon to control if polygons are circles or polygons
# in the modules preferences
import Draft
if n == 0 or fnmax != 0 and n >= fnmax:
mycircle = FreeCAD.ActiveDocument.addObject("Part::Part2DObjectPython",'circle')
Draft._Circle(mycircle)
mycircle.Radius = r
mycircle.MakeFace = True
mycircle = Draft.makeCircle(r,face=True) # would call doc.recompute
FreeCAD.ActiveDocument.recompute()
else :
mycircle = FreeCAD.ActiveDocument.addObject("Part::Part2DObjectPython",'polygon')
Draft._Polygon(mycircle)
mycircle.FacesNumber = n
mycircle.Radius = r
mycircle.DrawMode = "inscribed"
mycircle.MakeFace = True
if gui:
Draft._ViewProviderDraft(mycircle.ViewObject)
if printverbose: print("Push Circle")
p[0] = [mycircle]
def p_square_action(p) :
'square_action : square LPAREN keywordargument_list RPAREN SEMICOL'
if printverbose: print("Square")
size = p[3]['size']
x = float(size[0])
y = float(size[1])
mysquare = doc.addObject('Part::Plane',p[1])
mysquare.Length=x
mysquare.Width=y
if p[3].get('center','false')=='true' :
center(mysquare,x,y,0)
p[0] = [mysquare]
def addString(t,s,p):
return(t + ', ' +s+' = "'+p[3][s]+'"')
def addValue(t,v,p):
return(t + ', ' +v+' = '+p[3][v])
def p_text_action(p) :
'text_action : text LPAREN keywordargument_list RPAREN SEMICOL'
# If text string is null ignore
if p[3]['text'] == "" or p[3]['text'] == " " :
p[0] = []
return
t = 'text ( text="'+p[3]['text']+'"'
t = addValue(t,'size',p)
t = addString(t,'spacing',p)
t = addString(t,'font',p)
t = addString(t,'direction',p)
t = addString(t,'language',p)
if "script" in p[3]:
t = addString(t,'script',p)
else:
t += ', script="latin"'
t = addString(t,'halign',p)
t = addString(t,'valign',p)
t = addValue(t,'$fn',p)
t = addValue(t,'$fa',p)
t = addValue(t,'$fs',p)
t = t+');'
FreeCAD.Console.PrintMessage("textmsg : "+t+"\n")
p[0] = [processTextCmd(t)]
def convert_points_list_to_vector(l):
v = []
for i in l :
if printverbose: print(i)
v.append(FreeCAD.Vector(i[0],i[1]))
if printverbose: print(v)
return v
def p_polygon_action_nopath(p) :
'polygon_action_nopath : polygon LPAREN points EQ OSQUARE points_list_2d ESQUARE COMMA paths EQ undef COMMA keywordargument_list RPAREN SEMICOL'
if printverbose: print("Polygon")
if printverbose: print(p[6])
v = convert_points_list_to_vector(p[6])
mypolygon = doc.addObject('Part::Feature',p[1])
if printverbose: print("Make Parts")
# Close Polygon
v.append(v[0])
parts = Part.makePolygon(v)
if printverbose: print("update object")
mypolygon.Shape = Part.Face(parts)
p[0] = [mypolygon]
def p_polygon_action_plus_path(p) :
'polygon_action_plus_path : polygon LPAREN points EQ OSQUARE points_list_2d ESQUARE COMMA paths EQ OSQUARE path_set ESQUARE COMMA keywordargument_list RPAREN SEMICOL'
if printverbose: print("Polygon with Path")
if printverbose: print(p[6])
v = convert_points_list_to_vector(p[6])
if printverbose: print("Path Set List")
if printverbose: print(p[12])
for i in p[12] :
if printverbose: print(i)
mypolygon = doc.addObject('Part::Feature','wire')
path_list = []
for j in i :
j = int(j)
if printverbose: print(j)
path_list.append(v[j])
# Close path
path_list.append(v[int(i[0])])
if printverbose: print('Path List')
if printverbose: print(path_list)
wire = Part.makePolygon(path_list)
mypolygon.Shape = Part.Face(wire)
p[0] = [mypolygon]
# This only pushes last polygon
def make_face(v1,v2,v3):
wire = Part.makePolygon([v1,v2,v3,v1])
face = Part.Face(wire)
return face
def p_polyhedron_action(p) :
'''polyhedron_action : polyhedron LPAREN points EQ OSQUARE points_list_3d ESQUARE COMMA faces EQ OSQUARE path_set ESQUARE COMMA keywordargument_list RPAREN SEMICOL
| polyhedron LPAREN points EQ OSQUARE points_list_3d ESQUARE COMMA triangles EQ OSQUARE points_list_3d ESQUARE COMMA keywordargument_list RPAREN SEMICOL'''
if printverbose: print("Polyhedron Points")
v = []
for i in p[6] :
if printverbose: print(i)
v.append(FreeCAD.Vector(float(i[0]),float(i[1]),float(i[2])))
if printverbose:
print(v)
print ("Polyhedron "+p[9])
print (p[12])
faces_list = []
mypolyhed = doc.addObject('Part::Feature',p[1])
for i in p[12] :
if printverbose: print(i)
v2 = FreeCAD.Vector
pp =[v2(v[k]) for k in i]
# Add first point to end of list to close polygon
pp.append(pp[0])
try:
w = Part.makePolygon(pp)
f = Part.Face(w)
except Exception:
secWireList = w.Edges[:]
f = Part.makeFilledFace(Part.__sortEdges__(secWireList))
faces_list.append(f)
shell=Part.makeShell(faces_list)
solid=Part.Solid(shell).removeSplitter()
if solid.Volume < 0:
solid.reverse()
mypolyhed.Shape=solid
p[0] = [mypolyhed]
def p_projection_action(p) :
'projection_action : projection LPAREN keywordargument_list RPAREN OBRACE block_list EBRACE'
if printverbose: print('Projection')
doc.recompute()
p[6][0].Shape.tessellate(0.05) # Ensure the bounding box calculation is not done with the splines, which can give a bad result
bbox = p[6][0].Shape.BoundBox
for shape in p[6]:
shape.Shape.tessellate(0.05)
bbox.add(shape.Shape.BoundBox)
plane = doc.addObject("Part::Plane","xy_plane_used_for_projection")
plane.Length = bbox.XLength
plane.Width = bbox.YLength
plane.Placement = FreeCAD.Placement(FreeCAD.Vector(\
bbox.XMin,bbox.YMin,0),FreeCAD.Rotation())
if gui:
plane.ViewObject.hide()
if p[3]['cut'] == 'true' :
obj = doc.addObject('Part::MultiCommon','projection_cut')
if (len(p[6]) > 1):
subobj = [fuse(p[6],"projection_cut_implicit_group")]
else:
subobj = p[6]
obj.Shapes = [plane] + subobj
if gui:
subobj[0].ViewObject.hide()
p[0] = [obj]
else: # cut == 'false' => true projection
if gui and not FreeCAD.ParamGet("User parameter:BaseApp/Preferences/Mod/OpenSCAD").\
GetBool('usePlaceholderForUnsupported'):
from PySide import QtGui
QtGui.QMessageBox.critical(None, translate('OpenSCAD',"Unsupported Function") + " : " + p[1],translate('OpenSCAD',"Press OK"))
else:
p[0] = [placeholder(p[1],p[6],p[3])]
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