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kicad_parser.py
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kicad_parser.py
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#!/usr/bin/python
# -*- coding: utf-8 -*-
#****************************************************************************
# maui full integration of fcad_pcb from @realthunder commit 121 #maui
## from __future__ import (absolute_import, division,
## print_function, unicode_literals)
#from builtins import *
# from future.utils import iteritems
# from __future__ import (absolute_import, division,
# print_function, unicode_literals)
#from builtins import *
from collections import defaultdict
from math import sqrt, atan2, degrees, sin, cos, radians, pi, hypot
import traceback
import FreeCAD
import FreeCADGui
import Part
from FreeCAD import Console,Vector,Placement,Rotation
import DraftGeomUtils,DraftVecUtils
import Path
import sys, os
sys.path.append(os.path.dirname(os.path.realpath(__file__)))
#from . import KicadPCB,SexpList
# maui
import fcad_parser
from fcad_parser import KicadPCB,SexpList,SexpParser,parseSexp
#from .fcad_parser import KicadPCB,SexpList
#from .kicad_parser import unquote
from fcad_parser import unquote #maui
# from kicadStepUptools import KicadPCB,SexpList
__kicad_parser_version__ = '2.1.7'
# https://github.com/realthunder/fcad_pcb/issues/20#issuecomment-586042341
# FreeCAD.Console.PrintLog('kicad_parser_version '+__kicad_parser_version__+'\n') # maui
# print('kicad_parser_version '+__kicad_parser_version__)
# maui
PY3 = sys.version_info[0] == 3
if PY3:
string_types = str,
else:
string_types = basestring,
def updateGui():
try:
FreeCADGui.updateGui()
except Exception:
pass
class FCADLogger:
def __init__(self, tag):
self.tag = tag
self.levels = { 'error':0, 'warning':1, 'info':2,
'log':3, 'trace':4 }
def _isEnabledFor(self,level):
return FreeCAD.getLogLevel(self.tag) >= level
def isEnabledFor(self,level):
return self._isEnabledFor(self.levels[level])
def trace(self,msg):
if self._isEnabledFor(4):
FreeCAD.Console.PrintLog(msg+'\n')
updateGui()
def log(self,msg):
if self._isEnabledFor(3):
FreeCAD.Console.PrintLog(msg+'\n')
updateGui()
def info(self,msg):
if self._isEnabledFor(2):
FreeCAD.Console.PrintMessage(msg+'\n')
updateGui()
def warning(self,msg):
if self._isEnabledFor(1):
FreeCAD.Console.PrintWarning(msg+'\n')
updateGui()
def error(self,msg):
if self._isEnabledFor(0):
FreeCAD.Console.PrintError(msg+'\n')
updateGui()
logger = FCADLogger('fcad_pcb')
def getActiveDoc():
if FreeCAD.ActiveDocument is None:
return FreeCAD.newDocument('kicad_fcad')
return FreeCAD.ActiveDocument
def fitView():
try:
FreeCADGui.ActiveDocument.ActiveView.fitAll()
except Exception:
pass
def isZero(f):
return round(f,DraftGeomUtils.precision())==0
def makeColor(*color):
if len(color)==1:
if isinstance(color[0],string_types):
color = int(color[0],0)
else:
color = color[0]
r = float((color>>24)&0xFF)
g = float((color>>16)&0xFF)
b = float((color>>8)&0xFF)
else:
r,g,b = color
return (r/255.0,g/255.0,b/255.0)
def makeVect(l):
return Vector(l[0],-l[1],0)
def getAt(sexp):
at = getattr(sexp, 'at', None)
if not at:
return Vector(0,0,0),0
v = makeVect(at)
return (v,0) if len(at)==2 else (v,at[2])
def product(v1,v2):
return Vector(v1.x*v2.x,v1.y*v2.y,v1.z*v2.z)
def make_rect(size,params=None):
_ = params
return Part.makePolygon([product(size,Vector(*v))
for v in ((-0.5,-0.5),(0.5,-0.5),(0.5,0.5),(-0.5,0.5),(-0.5,-0.5))])
def make_trapezoid(size,params):
pts = [product(size,Vector(*v)) \
for v in ((-0.5,0.5),(-0.5,-0.5),(0.5,-0.5),(0.5,0.5))]
try:
delta = params.rect_delta[0]
if delta:
# horizontal
idx = 1
length = size[1]
else:
# vertical
delta = params.rect_delta[1]
idx = 0
length = size[0]
if delta <= -length:
collapse = 1
delta = -length;
elif delta >= length:
collapse = -1
delta = length
else:
collapse = 0
pts[0][idx] += delta*0.5
pts[1][idx] -= delta*0.5
pts[2][idx] += delta*0.5
pts[3][idx] -= delta*0.5
if collapse:
del pts[collapse]
except Exception:
logger.warning('trapezoid pad has no rect_delta')
pts.append(pts[0])
return Part.makePolygon(pts)
def make_circle(size,params=None):
_ = params
return Part.Wire(Part.makeCircle(size.x*0.5))
def make_oval(size,params=None):
_ = params
if size.x == size.y:
return make_circle(size)
if size.x < size.y:
r = size.x*0.5
size.y -= size.x
s = ((0,0.5),(-0.5,0.5),(-0.5,-0.5),(0,-0.5),(0.5,-0.5),(0.5,0.5))
a = (0,180,180,360)
else:
r = size.y*0.5
size.x -= size.y
s = ((-0.5,0),(-0.5,-0.5),(0.5,-0.5),(0.5,0),(0.5,0.5),(-0.5,0.5))
a = (90,270,-90,-270)
pts = [product(size,Vector(*v)) for v in s]
return Part.Wire([
Part.makeCircle(r,pts[0],Vector(0,0,1),a[0],a[1]),
Part.makeLine(pts[1],pts[2]),
Part.makeCircle(r,pts[3],Vector(0,0,1),a[2],a[3]),
Part.makeLine(pts[4],pts[5])])
def make_roundrect(size,params):
rratio = 0.25
try:
rratio = params.roundrect_rratio
if rratio > 0.5:
return make_oval(size)
except Exception:
logger.warning('round rect pad has no rratio')
length = min(size.x, size.y)
r = length*rratio
n = Vector(0,0,1)
sx = size.x*0.5
sy = size.y*0.5
rounds = [(r,False)]*4
if 'chamfer_ratio' in params and 'chamfer' in params:
ratio = params.chamfer_ratio
if ratio < 0.0:
ratio = 0.0
elif ratio > 0.5:
ratio = 0.5
for i,corner in enumerate(('top_right',
'top_left',
'bottom_left',
'bottom_right')):
if corner in params.chamfer:
rounds[i] = (ratio*length,True)
edges = []
r,chamfer = rounds[0]
pstart = Vector(sx,sy-r)
pt = pstart
pnext = Vector(sx-r,sy)
if r:
if not chamfer:
edges.append(Part.makeCircle(r,Vector(sx-r,sy-r),n,0,90))
else:
edges.append(Part.makeLine(pt, pnext))
r,chamfer = rounds[1]
pt = pnext
pnext = Vector(r-sx,sy)
if pt != pnext:
edges.append(Part.makeLine(pt,pnext))
pt = pnext
pnext = Vector(-sx,sy-r)
if r:
if not chamfer:
edges.append(Part.makeCircle(r,Vector(r-sx,sy-r),n,90,180))
else:
edges.append(Part.makeLine(pt,pnext))
r,chamfer = rounds[2]
pt = pnext
pnext = Vector(-sx,r-sy)
if pt != pnext:
edges.append(Part.makeLine(pt,pnext))
pt = pnext
pnext = Vector(r-sx,-sy)
if r:
if not chamfer:
edges.append(Part.makeCircle(r,Vector(r-sx,r-sy),n,180,270))
else:
edges.append(Part.makeLine(pt,pnext))
r,chamfer = rounds[3]
pt = pnext
pnext = Vector(sx-r,-sy)
if pt != pnext:
edges.append(Part.makeLine(pt,pnext))
pt = pnext
pnext = Vector(sx,r-sy)
if r:
if not chamfer:
edges.append(Part.makeCircle(r,Vector(sx-r,r-sy),n,270,360))
else:
edges.append(Part.makeLine(pt,pnext))
pt = pnext
if pt != pstart:
edges.append(Part.makeLine(pt,pstart))
return Part.Wire(edges)
def make_gr_poly(params):
points = SexpList(params.pts.xy)
# close the polygon
points._append(params.pts.xy._get(0))
# KiCAD polygon runs in clockwise, but FreeCAD wants CCW, so must reverse.
return Part.makePolygon([makeVect(p) for p in reversed(points)])
def make_gr_line(params):
return Part.makeLine(makeVect(params.start),makeVect(params.end))
def make_gr_arc(params):
if hasattr(params, 'angle'):
return makeArc(makeVect(params.start),makeVect(params.end),params.angle)
return Part.ArcOfCircle(makeVect(params.start),
makeVect(params.mid),
makeVect(params.end)).toShape()
def make_gr_curve(params):
return makeCurve([makeVect(p) for p in SexpList(params.pts.xy)])
def make_gr_circle(params, width=0):
center = makeVect(params.center)
end = makeVect(params.end)
r = center.distanceToPoint(end)
if not width or r <= width*0.5:
return Part.makeCircle(r+width*0.5, center)
return Part.makeCompound([Part.Wire(Part.makeCircle(r+width*0.5,center)),
Part.Wire(Part.makeCircle(r-width*0.5,center,Vector(0,0,-1)))])
def make_gr_rect(params):
start = makeVect(params.start)
end = makeVect(params.end)
return Part.makePolygon([start, Vector(start.x, end.y), end, Vector(end.x, start.y), start])
def makePrimitve(key, params):
try:
width = getattr(params,'width',0)
if width and key == 'gr_circle':
return make_gr_circle(params, width), 0
else:
make_shape = globals()['make_{}'.format(key)]
return make_shape(params), width
except KeyError:
logger.warning('Unknown primitive {} in custom pad'.format(key))
return None, None
def makeThickLine(p1,p2,width):
length = p1.distanceToPoint(p2)
line = make_oval(Vector(length+2*width,2*width))
p = p2.sub(p1)
a = -degrees(DraftVecUtils.angle(p))
line.translate(Vector(length*0.5))
line.rotate(Vector(),Vector(0,0,1),a)
line.translate(p1)
return line
def makeArc(center,start,angle):
p = start.sub(center)
r = p.Length
a = -degrees(DraftVecUtils.angle(p))
# NOTE: KiCAD pcb geometry runs in clockwise, while FreeCAD is CCW. So the
# resulting arc below is the reverse of what's specified in kicad_pcb
if angle>0:
arc = Part.makeCircle(r,center,Vector(0,0,1),a-angle,a)
arc.reverse();
else:
arc = Part.makeCircle(r,center,Vector(0,0,1),a,a-angle)
return arc
def makeCurve(poles):
return Part.BSplineCurve(poles).toShape()
def findWires(edges):
try:
return [Part.Wire(e) for e in Part.sortEdges(edges)]
except AttributeError:
msg = 'Missing Part.sortEdges.'\
'You need newer FreeCAD (0.17 git 799c43d2)'
logger.error(msg)
raise AttributeError(msg)
def getFaceCompound(shape,wire=False):
objs = []
for f in shape.Faces:
selected = True
for v in f.Vertexes:
if not isZero(v.Z):
selected = False
break
if not selected:
continue
################################################################
## TODO: FreeCAD curve.normalAt is not implemented
################################################################
# for e in f.Edges:
# if isinstance(e.Curve,(Part.LineSegment,Part.Line)): continue
# if not isZero(e.normalAt(Vector()).dot(Vector(0,0,1))):
# selected = False
# break
# if not selected: continue
if not wire:
objs.append(f)
continue
for w in f.Wires:
objs.append(w)
if not objs:
raise ValueError('null shape')
return Part.makeCompound(objs)
def unpack(obj):
if not obj:
raise ValueError('null shape')
if isinstance(obj,(list,tuple)) and len(obj)==1:
return obj[0]
return obj
def getKicadPath(env=''):
confpath = ''
if env:
confpath = os.path.expanduser(os.environ.get(env,''))
if not os.path.isdir(confpath):
confpath=''
if not confpath:
if sys.platform == 'darwin':
confpath = os.path.expanduser('~/Library/Preferences/kicad')
elif sys.platform == 'win32':
confpath = os.path.join(
os.path.abspath(os.environ['APPDATA']),'kicad')
else:
confpath=os.path.expanduser('~/.config/kicad')
import re
kicad_common = os.path.join(confpath,'kicad_common')
if not os.path.isfile(kicad_common):
kicad_common += ".json"
if not os.path.isfile(kicad_common):
logger.warning('cannot find kicad_common')
return None
with open(kicad_common,'r') as f:
content = f.read()
match = re.search(r'^\s*"*KISYS3DMOD"*\s*[:=]\s*([^\r\n]+)',content,re.MULTILINE)
if not match:
logger.warning('no KISYS3DMOD found')
return None
return match.group(1).rstrip(' "')
_model_cache = {}
def clearModelCache():
_model_cache = {}
def recomputeObj(obj):
obj.recompute()
obj.purgeTouched()
def loadModel(filename):
mtime = None
try:
mtime = os.path.getmtime(filename)
obj = _model_cache[filename]
if obj[2] == mtime:
logger.info('model cache hit');
return obj
else:
logger.info('model reload due to time stamp change');
except KeyError:
pass
except OSError:
return
import ImportGui
doc = getActiveDoc()
if not os.path.isfile(filename):
return
count = len(doc.Objects)
dobjs = []
try:
ImportGui.insert(filename,doc.Name)
dobjs = doc.Objects[count:]
obj = doc.addObject('Part::Compound','tmp')
obj.Links = dobjs
recomputeObj(obj)
dobjs = [obj]+dobjs
obj = (obj.Shape.copy(),obj.ViewObject.DiffuseColor,mtime)
_model_cache[filename] = obj
return obj
except Exception as ex:
logger.error('failed to load model: {}'.format(ex))
finally:
for o in dobjs:
doc.removeObject(o.Name)
class KicadFcad:
def __init__(self,filename=None,debug=False,**kwds):
#############################################################
# Beginning of user customizable parameters during construction
self.prefix = ''
self.indent = ' '
self.make_sketch = False
self.sketch_use_draft = False
self.sketch_radius_precision = -1
self.holes_cache = {}
self.work_plane = Part.makeCircle(1)
self.active_doc_uuid = None
self.sketch_constraint = True
self.sketch_align_constraint = False
self.merge_holes = not debug
self.merge_vias = not debug
self.merge_tracks = not debug
self.zone_merge_holes = not debug
self.merge_pads = not debug
self.arc_fit_accuracy = 0.0005
self.layer_thickness = 0.01
self.copper_thickness = 0.05
self.board_thickness = None
self.stackup = None
self.quote_no_parse = None
# set -1 to disable via in pads, 0 to enable as normal, >0 to use as
# a ratio to via radius for creating a square to simplify via
self.via_bound = 0
# whether to skip via hole if there is via_bound
self.via_skip_hole = None
self.add_feature = True
self.part_path = None
self.path_env = 'KICAD_CONFIG_HOME'
self.hole_size_offset = 0.0001
self.pad_inflate = 0
self.zone_inflate = 0
self.nets = []
if filename is None:
filename = '/home/thunder/pwr.kicad_pcb'
if not os.path.isfile(filename):
raise ValueError("file not found");
self.filename = filename
self.colors = {
'board':makeColor("0x3A6629"),
'pad':{0:makeColor(219,188,126)}, # maui pads color
'zone':{0:makeColor(0,80,0)},
'track':{0:makeColor(0,120,0)},
'copper':{0:makeColor(200,117,51)},
}
self.layer_type = 0
self.layer_match = None
# Ending of user customizable parameters
#############################################################
# checking user overridden parameters
for key,value in kwds.items():
if not hasattr(self,key):
raise ValueError('unknown parameter "{}"'.format(key))
setattr(self,key,value)
if not self.part_path:
self.part_path = getKicadPath(self.path_env)
self.pcb = KicadPCB.load(self.filename, self.quote_no_parse)
if self.pcb._key == 'module':
# this is a kicad_mod file, make it look like a kicad_pcb
pcb = KicadPCB(parseSexp('''
(kicad_pcb
(general
(thickness 0.3)
(drawings 0)
(tracks 0)
(zones 0)
(modules 1)
(nets 0)
)
(layers
(0 F.Cu signal)
(31 B.Cu signal)
(32 B.Adhes user)
(33 F.Adhes user)
(34 B.Paste user)
(35 F.Paste user)
(36 B.SilkS user)
(37 F.SilkS user)
(38 B.Mask user)
(39 F.Mask user)
(40 Dwgs.User user)
(41 Cmts.User user)
(42 Eco1.User user)
(43 Eco2.User user)
(44 Edge.Cuts user)
(45 Margin user)
(46 B.CrtYd user)
(47 F.CrtYd user)
(48 B.Fab user)
(49 F.Fab user)
)
)'''))
self.module = self.pcb
pcb.module._append(self.pcb)
self.pcb = pcb
else:
self.module = None
if not self.board_thickness:
try:
self.board_thickness = self.pcb.general.thickness
except Exception:
pass
if not self.board_thickness:
self.board_thickness = 2.0
self._dielectric_layers = []
self._stackup_map = {}
self._initStackUp()
# stores layer name as read from the file, may contain quotes depending
# on kicad version
self.layer_name = ''
# stores layer name without quote
self.layer = ''
self.setLayer(self.layer_type)
if self.via_skip_hole is None and self.via_bound:
self.via_skip_hole = True
self._nets = set()
self.net_names = dict()
if 'net' in self.pcb:
for n in self.pcb.net:
self.net_names[n[0]] = n[1]
self.setNetFilter(*self.nets)
def findLayer(self,layer, deftype=None):
try:
layer = int(layer)
except:
for layer_type in self.pcb.layers:
name = self.pcb.layers[layer_type][0]
if name==layer or unquote(name)==layer:
return (int(layer_type),name)
if deftype is not None:
return deftype, layer
raise KeyError('layer {} not found'.format(layer))
else:
if str(layer) not in self.pcb.layers:
if deftype is not None:
return deftype, str(layer)
raise KeyError('layer {} not found'.format(layer))
return (layer, self.pcb.layers[str(layer)][0])
def setLayer(self,layer):
self.layer_type, self.layer_name = self.findLayer(layer)
self.layer = unquote(self.layer_name)
if self.layer_type <= 31:
self.layer_match = '*.Cu'
else:
self.layer_match = '*.{}'.format(self.layer.split('.')[-1])
def _copperLayers(self):
coppers = [ (int(t),unquote(self.pcb.layers[t][0])) \
for t in self.pcb.layers if int(t)<=31]
coppers.sort(key=lambda x : x[0])
return coppers
def _initStackUp(self):
if self.stackup is None:
self._log('{}','kicad version='+str(self.pcb.version),level='info') # maui
self.stackup = []
stackup = getattr(getattr(self.pcb, 'setup', None), 'stackup', None)
if stackup:
try:
# If no stackup given by user, extract stack info from setup
offset = 0.0
last_copper = 0.0
for layer in stackup.layer:
layer_type, _ = self.findLayer(layer[0], 99)
t = getattr(layer, 'thickness',
self.copper_thickness if layer_type<=32 else self.layer_thickness)
if layer_type <= 31:
last_copper = offset
# Some layer (e.g. dielectric) may have more than one
# thickness field. Add them all.
if isinstance(t, SexpList):
total = 0.0
for tt in t:
# And for some thickness field, there may be additional
# attribute, like (thickness, 0.05, locked).
if isinstance(tt, (float, int)):
total += tt
else:
total += tt[0]
t = total
elif not isinstance(t, (float, int)):
t = t[0]
offset -= t
self.stackup.append([unquote(layer[0]), offset, t])
# adjust offset to make the last copper's upper face at z = 0.
# In other word, make the last dielectric layer reset at z = 0.
# Right now, makeBoard() always assume it is at z = 0.
for entry in self.stackup:
entry[1] -= last_copper
except Exception as e:# maui logging error and keeping kv5 compatibility
# raise
# self._log('Failed parsing stackup info: {}', str(e), level='warning') # maui
# traceback.print_exc() # maui
error_message = traceback.format_exc() #maui
self._log('{}',error_message,level='error') # maui
pass # maui keeping kv5 compatibility
else:
self._log('{}','kicad v5 stack missing',level='error') # maui end
board_thickness = 0.0
accumulate = None
for item in self.stackup:
layer, name = self.findLayer(item[0], 99)
self._stackup_map[unquote(name)] = item
thickness = item[2]
if layer <= 31: # is copper layer
if accumulate is not None:
# counting intermediate layer(s) thickness
board_thickness += accumulate
accumulate = 0.0
else:
accumulate = 0.0
continue
if accumulate is not None:
accumulate += thickness
# only respect stackup if all copper layers are specified
coppers = self._copperLayers()
if self.stackup:
for _,name in coppers:
if unquote(name) not in self._stackup_map:
self._log('stackup info ignored because copper layer {} is not found',
name, level='warning')
self.stackup = []
self._stackup_map = {}
break
if self.stackup:
if board_thickness:
self.board_thickness = board_thickness
elif len(coppers) == 1:
name = coppers[0][1]
self._stackup_map[name] = [name, 0, self.copper_thickness]
else:
step = (self.board_thickness + self.copper_thickness) / (len(coppers)-1)
offset = self.board_thickness
for _,name in coppers:
self._stackup_map[name] = [name, offset, self.copper_thickness]
offset -= step
# setup dielectric layer offset and thickness. Going backwards, because
# makeBoard() assumes the first dielectric layer to be located at z=0
current = 1000.0
for _, name in reversed(coppers):
_, offset, thickness = self._stackup_map[name]
if offset > current:
self._dielectric_layers.append([current, offset - current])
current = offset + thickness
def layerOffsets(self, thickness=None):
coppers = self._copperLayers()
offsets = dict()
if not thickness:
for _, name in coppers:
offsets[name] = self._stackup_map[name][1]
return offsets
if len(coppers) == 1:
offsets[coppers[0][1]] = 0
return offsets
step = thickness / (len(coppers)-1)
offset = 0.0
for _,name in coppers:
offsets[name] = offset
offset += step
return offsets
def setNetFilter(self,*nets):
self._nets.clear()
ndict = dict()
nset = set()
for n in self.pcb.net:
ndict[n[1]] = n[0]
nset.add(n[0])
for n in nets:
try:
self._nets.add(ndict[str(n)])
continue
except Exception:
pass
try:
if int(n) in nset:
self._nets.add(int(n))
continue
except Exception:
pass
logger.error('net {} not found'.format(n))
def getNet(self,p):
n = p.net
return n if not isinstance(n,list) else n[0]
def filterNets(self,p):
try:
return self._nets and self.getNet(p) not in self._nets
except Exception:
return bool(self._nets)
def filterLayer(self,p):
layers = []
l = getattr(p, 'layers', [])
if l == 'F&B.Cu':
layers.append('F.Cu')
layers.append('B.Cu')
else:
layers = [unquote(s) for s in l]
if hasattr(p, 'layer'):
layers.append(unquote(p.layer))
if not layers:
self._log('no layers specified', level='warning')
return True
if self.layer not in layers \
and self.layer_match not in layers \
and '*' not in layers:
self._log('skip layer {}, {}, {}',
self.layer, self.layer_match, layers, level='log')
return True
def netName(self,p):
try:
return unquote(self.net_names[self.getNet(p)])
except Exception:
return 'net?'
def _log(self,msg,*arg,**kargs):
level = 'info'
if kargs:
if 'level' in kargs:
level = kargs['level']
if logger.isEnabledFor(level):
getattr(logger,level)('{}{}'.format(self.prefix,msg.format(*arg)))
def _pushLog(self,msg=None,*arg,**kargs):
if msg:
self._log(msg,*arg,**kargs)
if 'prefix' in kargs:
prefix = kargs['prefix']
if prefix is not None:
self.prefix = prefix
self.prefix += self.indent
def _popLog(self,msg=None,*arg,**kargs):
self.prefix = self.prefix[:-len(self.indent)]
if msg:
self._log(msg,*arg,**kargs)
def _makeLabel(self,obj,label):
if self.layer:
obj.Label = '{}#{}'.format(obj.Name,self.layer)
if label is not None:
obj.Label += '#{}'.format(label)
def _makeObject(self,otype,name,
label=None,links=None,shape=None):
doc = getActiveDoc()
obj = doc.addObject(otype,name)
self._makeLabel(obj,label)
if links is not None:
setattr(obj,links,shape)
for s in shape if isinstance(shape,(list,tuple)) else (shape,):
if hasattr(s,'ViewObject'):
s.ViewObject.Visibility = False
if hasattr(obj,'recompute'):
recomputeObj(obj)
return obj
def _makeSketch(self,objs,name,label=None):
if self.sketch_use_draft:
import Draft
getActiveDoc()
nobj = Draft.makeSketch(objs,name=name,autoconstraints=True,
delete=True,radiusPrecision=self.sketch_radius_precision)
self._makeLabel(nobj,label)
return nobj
from Sketcher import Constraint
StartPoint = 1
EndPoint = 2
doc = getActiveDoc()
nobj = doc.addObject("Sketcher::SketchObject", '{}_sketch'.format(name))
self._makeLabel(nobj,label)
nobj.ViewObject.Autoconstraints = False
radiuses = {}
constraints = []
def addRadiusConstraint(edge):
try:
if self.sketch_radius_precision<0:
return
if self.sketch_radius_precision==0:
constraints.append(Constraint('Radius',
nobj.GeometryCount-1, edge.Curve.Radius))
return
r = round(edge.Curve.Radius,self.sketch_radius_precision)
constraints.append(Constraint('Equal',
radiuses[r], nobj.GeometryCount-1))
except KeyError:
radiuses[r] = nobj.GeometryCount-1
constraints.append(Constraint('Radius',nobj.GeometryCount-1,r))
except AttributeError:
pass
for obj in objs if isinstance(objs,(list,tuple)) else (objs,):
if isinstance(obj,Part.Shape):
shape = obj
else:
shape = obj.Shape
norm = DraftGeomUtils.getNormal(shape)
if not self.sketch_constraint:
for wire in shape.Wires:
for edge in wire.OrderedEdges:
nobj.addGeometry(DraftGeomUtils.orientEdge(
edge,norm,make_arc=True))
continue
for wire in shape.Wires:
last_count = nobj.GeometryCount
edges = wire.OrderedEdges
for edge in edges:
nobj.addGeometry(DraftGeomUtils.orientEdge(
edge,norm,make_arc=True))
addRadiusConstraint(edge)
for i,g in enumerate(nobj.Geometry[last_count:]):
if edges[i].Closed:
continue
seg = last_count+i
if self.sketch_align_constraint:
if DraftGeomUtils.isAligned(g,"x"):
constraints.append(Constraint("Vertical",seg))
elif DraftGeomUtils.isAligned(g,"y"):
constraints.append(Constraint("Horizontal",seg))
if seg == nobj.GeometryCount-1:
if not wire.isClosed():
break
g2 = nobj.Geometry[last_count]
seg2 = last_count
else:
seg2 = seg+1
g2 = nobj.Geometry[seg2]
end1 = g.value(g.LastParameter)
start2 = g2.value(g2.FirstParameter)
if DraftVecUtils.equals(end1,start2) :
constraints.append(Constraint(
"Coincident",seg,EndPoint,seg2,StartPoint))
continue
end2 = g2.value(g2.LastParameter)
start1 = g.value(g.FirstParameter)
if DraftVecUtils.equals(end2,start1):
constraints.append(Constraint(
"Coincident",seg,StartPoint,seg2,EndPoint))
elif DraftVecUtils.equals(start1,start2):
constraints.append(Constraint(
"Coincident",seg,StartPoint,seg2,StartPoint))
elif DraftVecUtils.equals(end1,end2):
constraints.append(Constraint(
"Coincident",seg,EndPoint,seg2,EndPoint))
if obj.isDerivedFrom("Part::Feature"):
objs = [obj]
while objs:
obj = objs[0]
objs = objs[1:] + obj.OutList
doc.removeObject(obj.Name)
nobj.addConstraint(constraints)
recomputeObj(nobj)
return nobj
def _makeCompound(self,obj,name,label=None,fit_arcs=False,
fuse=False,add_feature=False,force=False):
obj = unpack(obj)
if not isinstance(obj,(list,tuple)):
if not force and (
not fuse or obj.TypeId=='Path::FeatureArea'):
return obj
obj = [obj]
if fuse:
return self._makeArea(obj,name,label=label,fit_arcs=fit_arcs)