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sldprt2txt.py
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sldprt2txt.py
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import os
import win32com
from pythoncom import Nothing, VT_BYREF, VT_I4
from win32com.client import VARIANT
from swconst import constants
seg_type_list = [
constants.swSketchLINE,
constants.swSketchARC,
constants.swSketchELLIPSE,
constants.swSketchSPLINE,
constants.swSketchTEXT,
constants.swSketchPARABOLA,
]
feat_type_list = ["ProfileFeature", 'Boss/Extrusion', 'Cut', 'HoleWzd']
type_list = seg_type_list + feat_type_list[1:]
seq = []
def traverse_features_and_save(swApp, Part, thisFeat, isTopLevel, traversed_features, active_sketch_name, id, save_txt_name, out_dir):
curFeat = thisFeat
while curFeat is not None:
name = curFeat.Name
typeName = curFeat.GetTypeName
print(curFeat.Name, curFeat.GetTypeName)
if typeName in feat_type_list:
id += 1
if typeName in ("ProfileFeature"):
Part.Extension.SelectByID2(name, "SKETCH", 0, 0, 0, False, 0, Nothing, 0)
Part.SketchManager.InsertSketch(True)
sketch = Part.GetActiveSketch2
if sketch is not None:
v = VARIANT(VT_BYREF | VT_I4, 0)
ref = sketch.GetReferenceEntity(v)
ref.Select2(False, 0)
pFeat = Part.SelectionManager.GetSelectedObject5(1)
if name not in traversed_features and pFeat is not None:
if v.value in (constants.swReferenceTypeFace, constants.swReferenceTypeEdge, constants.swReferenceTypeBody):
print('参考面：', pFeat.GetFeature.Name, pFeat.Normal)
else:
print('参考面：', pFeat.Name)
if not pFeat.Name:
continue
sketchSegments = sketch.GetSketchSegments
if sketchSegments is not None:
# points = []
# for sketchSegment in sketchSegments:
# if sketchSegment.GetType in seg_type_list:
# p0 = (sketchSegment.GetStartPoint2.X, sketchSegment.GetStartPoint2.Y)
# if p0 not in points:
# points.append(p0)
# p1 = (sketchSegment.GetEndPoint2.X, sketchSegment.GetEndPoint2.Y)
# if p1 not in points:
# points.append(p1)
# seq.append(str(points))
# for sketchSegment in sketchSegments:
# if sketchSegment.GetType in seg_type_list:
# start_point = (sketchSegment.GetStartPoint2.X, sketchSegment.GetStartPoint2.Y)
# end_point = (sketchSegment.GetEndPoint2.X, sketchSegment.GetEndPoint2.Y)
# data = [
# seg_type_list.index(sketchSegment.GetType),
# int(sketchSegment.ConstructionGeometry),
# points.index(start_point) if start_point in points else -1,
# points.index(end_point) if end_point in points else -1,
# sketchSegment.GetCenterPoint2.X if seg_type_list.index(sketchSegment.GetType) == 1 else 0,
# sketchSegment.GetCenterPoint2.Y if seg_type_list.index(sketchSegment.GetType) == 1 else 0,
# ]
# seq.append('{},{},{}'.format(id, ','.join([str(d) for d in data[:4]]), ','.join(['{:.6f}'.format(d) for d in data[4:6]])))
for sketchSegment in sketchSegments:
if sketchSegment.GetType in seg_type_list:
start_point = (sketchSegment.GetStartPoint2.X, sketchSegment.GetStartPoint2.Y)
end_point = (sketchSegment.GetEndPoint2.X, sketchSegment.GetEndPoint2.Y)
data = [
seg_type_list.index(sketchSegment.GetType),
int(start_point[0] * 1e4),
int(start_point[1] * 1e4),
int(end_point[0] * 1e4),
int(end_point[1] * 1e4),
int(sketchSegment.GetCenterPoint2.X * 1e4) if seg_type_list.index(sketchSegment.GetType) == 1 else 0,
int(sketchSegment.GetCenterPoint2.Y * 1e4) if seg_type_list.index(sketchSegment.GetType) == 1 else 0,
int(sketchSegment.ConstructionGeometry),
]
data += [0] * (28 - len(data))
seq.append('{},{}'.format(id, ','.join([str(int(d * 1e4)) if isinstance(d, float) else str(int(d)) for d in data])))
elif typeName in ('Boss', 'Extrusion'):
swExtrusion = curFeat.GetDefinition
if swExtrusion is not None:
data = [True, swExtrusion.FlipSideToCut
, swExtrusion.ReverseDirection
, swExtrusion.GetEndCondition(True)
, swExtrusion.GetEndCondition(False)
, swExtrusion.GetDepth(True)
, swExtrusion.GetDepth(False)
, swExtrusion.GetDraftWhileExtruding(True)
, swExtrusion.GetDraftWhileExtruding(False)
, not swExtrusion.GetDraftOutward(True)
, not swExtrusion.GetDraftOutward(False)
, swExtrusion.GetDraftAngle(True)
, swExtrusion.GetDraftAngle(False)
, swExtrusion.GetReverseOffset(True)
, swExtrusion.GetReverseOffset(False)
, swExtrusion.GetTranslateSurface(True)
, swExtrusion.GetTranslateSurface(False)
, swExtrusion.Merge
, swExtrusion.FeatureScope
, swExtrusion.AutoSelect
, 0, 0, False]
data += [0] * (28 - len(data))
seq.append('{},{},{}'.format(id, type_list.index('Boss/Extrusion'), ','.join([str(int(d * 1e4)) if isinstance(d, float) else str(int(d)) for d in data])))
elif typeName == 'Cut':
swExtrusion = curFeat.GetDefinition
if swExtrusion is not None:
data = [True, swExtrusion.FlipSideToCut
, swExtrusion.ReverseDirection
, swExtrusion.GetEndCondition(True)
, swExtrusion.GetEndCondition(False)
, swExtrusion.GetDepth(True)
, swExtrusion.GetDepth(False)
, swExtrusion.GetDraftWhileExtruding(True)
, swExtrusion.GetDraftWhileExtruding(False)
, not swExtrusion.GetDraftOutward(True)
, not swExtrusion.GetDraftOutward(False)
, swExtrusion.GetDraftAngle(True)
, swExtrusion.GetDraftAngle(False)
, swExtrusion.GetReverseOffset(True)
, swExtrusion.GetReverseOffset(False)
, swExtrusion.GetTranslateSurface(True)
, swExtrusion.GetTranslateSurface(False)
, swExtrusion.NormalCut
, swExtrusion.FeatureScope
, swExtrusion.AutoSelect
, swExtrusion.AssemblyFeatureScope
, swExtrusion.AutoSelectComponents
, swExtrusion.PropagateFeatureToParts
, 0, 0, False, swExtrusion.OptimizeGeometry]
data += [0] * (28 - len(data))
seq.append('{},{},{}'.format(id, type_list.index('Cut'), ','.join([str(int(d * 1e4)) if isinstance(d, float) else str(int(d)) for d in data])))
elif typeName == 'HoleWzd':
swWizHole = curFeat.GetDefinition
if swWizHole.Type in (10, 11, 12, 13, 2, 7, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 14, 15, 16, 17, 18, 19, 20, 21, 4, 9):
data = [
swWizHole.CounterBoreDiameter,
swWizHole.CounterBoreDepth,
swWizHole.HeadClearance,
swWizHole.HoleFit,
swWizHole.CounterDrillAngle, # ?
swWizHole.NearCounterSinkDiameter,
swWizHole.NearCounterSinkAngle,
swWizHole.CounterSinkDiameter, # ?
swWizHole.CounterSinkAngle, # ?
swWizHole.FarCounterSinkDiameter,
swWizHole.FarCounterSinkAngle,
swWizHole.OffsetDistance,
]
elif swWizHole.Type in (24, 43, 71, 78, 76, 77, 90, 79, 29, 30, 45, 44, 3, 8, ):
data = [
swWizHole.NearCounterSinkDiameter,
swWizHole.NearCounterSinkAngle,
swWizHole.HeadClearance,
swWizHole.HoleFit,
swWizHole.CounterDrillAngle, # ?
swWizHole.FarCounterSinkDiameter,
swWizHole.FarCounterSinkAngle,
swWizHole.OffsetDistance,
swWizHole.HeadClearanceType,
-1,
-1,
-1,
]
elif swWizHole.Type in (22, 23, 25, 26, 27, 28):
data = [
swWizHole.HoleFit,
swWizHole.CounterDrillAngle, # ?
swWizHole.NearCounterSinkDiameter,
swWizHole.NearCounterSinkAngle,
swWizHole.FarCounterSinkDiameter,
swWizHole.FarCounterSinkAngle,
swWizHole.OffsetDistance,
-1,
-1,
-1,
-1,
-1,
]
else:
data = [
swWizHole.CounterBoreDiameter,
swWizHole.CounterBoreDepth,
swWizHole.HeadClearance,
]
data += [0] * (28 - len(data))
seq.append('{},{},{}'.format(id, type_list.index('HoleWzd'), ','.join([str(int(d * 1e4)) if isinstance(d, float) else str(int(d)) for d in data])))
# seq.append(f'hole_wizard({swWizHole.Type}, {swWizHole.Standard2}, {swWizHole.FastenerType2}, "{swWizHole.FastenerSize}", {swWizHole.EndCondition}, {swWizHole.Diameter}, {swWizHole.Depth}, {swWizHole.Length}, {", ".join([str(d) for d in data])}, "{swWizHole.ThreadClass}", {swWizHole.ReverseDirection}, {swWizHole.FeatureScope}, {swWizHole.AutoSelect}, {swWizHole.AssemblyFeatureScope}, {swWizHole.AutoSelectComponents}, {swWizHole.PropagateFeatureToParts})')
active_sketch_name = curFeat.Name
subfeat = curFeat.GetFirstSubFeature
while subfeat is not None:
traverse_features_and_save(swApp, Part, subfeat, False, traversed_features, active_sketch_name, id, save_txt_name, out_dir)
nextSubFeat = subfeat.GetNextSubFeature
subfeat = nextSubFeat
nextSubFeat = None
subfeat = None
if isTopLevel:
nextFeat = curFeat.GetNextFeature
else:
nextFeat = None
traversed_features.append(curFeat.Name)
curFeat = nextFeat
nextFeat = None
def get_files(directory, ext, with_dot=True):
path_list = []
for paths in [[os.path.join(dirpath, name).replace('/', '\\') for name in filenames if
name.endswith(('.' if with_dot else '') + ext)] for
dirpath, dirnames, filenames in os.walk(directory)]:
path_list.extend(paths)
return path_list
swApp = win32com.client.Dispatch("SldWorks.Application")
Errors=VARIANT(VT_BYREF | VT_I4, -1)
Warnings=VARIANT(VT_BYREF | VT_I4, -1)
files = get_files(r'F:\机械模型库\SW', 'sldprt')
files += get_files(r'F:\机械模型库\SW', 'SLDPRT')
print(files)
out_dir = r'F:\datasets\SW数据集\提取数据\20230415_01'
if not os.path.exists(out_dir):
os.mkdir(out_dir)
for filename in files:
swApp.OpenDoc6(filename,1,1,"",Errors,Warnings)
Part = swApp.ActiveDoc
try:
seq.clear()
# seq.append('.'.join(os.path.basename(filename).split('.')[:-1]))
seq.append(','.join(['id', 'type',] + ['p' + str(i) for i in range(1, 27 + 1)]))
traverse_features_and_save(swApp, Part, Part.FirstFeature, True, [], '', 0, filename, out_dir)
with open(os.path.join(out_dir, '.'.join(os.path.basename(filename).split('.')[:-1]) + '.txt'), 'wt', encoding='utf-8') as f:
f.write('\n'.join(seq))
except Exception as e:
print(e)
swApp.CloseDoc("")