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280 lines
8.4 KiB
280 lines
8.4 KiB
1 year ago
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import os
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import sys
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import asyncio
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import math
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sys.path.append(os.path.join(os.path.dirname(__file__), 'utils'))
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import vspt_freecad
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import vspt_coroutine
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verbose = False
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project_folder = os.getcwd()
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async def generate_2d_drawing(file_name):
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doc = App.open(project_folder + '/' + file_name)
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page_name = doc.Name + '_Drawing'
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if doc.getObject(page_name) is not None:
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print('2D drawing already exists - skipped')
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return
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template_file_name = project_folder + '/lib/A4_Landscape_VSPT.svg'
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root_objects = []
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main_object = None
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for obj in doc.Objects:
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if len(obj.Parents) == 0:
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root_objects.append(obj)
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if obj.Label == doc.Name:
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main_object = obj
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if main_object is None and len(root_objects) == 1:
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main_object = root_objects[0]
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if main_object is None:
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raise Exception("Can't find main object in file " + doc.FileName + " (found " + str(len(root_objects)) + " root object(s), none named like the document " + doc.Name + ")")
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code_obj = doc.getObjectsByLabel('Code_Tube_Draft')
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if len(code_obj) == 1:
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code_obj = code_obj[0]
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else:
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code_obj = None
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sources = [main_object]
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bound_box = main_object.Shape.BoundBox
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proj_size = [0, 0, 0] # size of the original part front view after projection at scale 1:1
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if bound_box.XLength > bound_box.YLength:
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if bound_box.XLength > bound_box.ZLength:
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main_axis = 0
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proj_size[0] = bound_box.XLength
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proj_size[1] = bound_box.ZLength
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proj_size[2] = bound_box.YLength
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else:
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main_axis = 2
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proj_size[0] = bound_box.ZLength
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proj_size[1] = bound_box.XLength
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proj_size[2] = bound_box.YLength
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else:
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if bound_box.YLength > bound_box.ZLength:
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main_axis = 1
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proj_size[0] = bound_box.YLength
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proj_size[1] = bound_box.ZLength
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proj_size[2] = bound_box.XLength
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else:
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main_axis = 2
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proj_size[0] = bound_box.ZLength
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proj_size[1] = bound_box.XLength
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proj_size[2] = bound_box.YLength
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if verbose: print("Adding drawing page...");
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page = doc.addObject('TechDraw::DrawPage', page_name)
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template = doc.addObject('TechDraw::DrawSVGTemplate', 'Template')
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template.Template = template_file_name
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page.Template = template
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if verbose: print("Computing best scale...");
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scale_denominators = [4.0, 5.0, 6.0, 8.0, 10.0]
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scale_numerator = 1.0
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scale_denominator = scale_denominators[0]
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proj_total_size = [proj_size[0] + proj_size[2], proj_size[1] + proj_size[2]] # projected size of all views (without spacing) at scale 1:1
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spacingX = 20.0
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spacingY = 50.0
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maxSizeX = 280.0
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maxSizeY = 160.0
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for denom in scale_denominators:
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scale_denominator = denom
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if proj_total_size[0]*scale_numerator/denom + spacingX <= maxSizeX and proj_total_size[1]*scale_numerator/denom + spacingY <= maxSizeY:
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break
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if verbose: print("Adding projection group...");
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projGroup = doc.addObject('TechDraw::DrawProjGroup', doc.Name + '_ProjGroup')
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page.addView(projGroup)
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projGroup.ScaleType = 'Custom'
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projGroup.Scale = scale_numerator/scale_denominator
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projGroup.spacingX = 20.0
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projGroup.spacingY = 50.0
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projGroup.Source = sources
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projGroup.addProjection('Front')
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if main_axis == 0:
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projGroup.Anchor.Direction = App.Vector(0,1,0)
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projGroup.Anchor.XDirection = App.Vector(-1,0,0)
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projGroup.Anchor.RotationVector = App.Vector(-1,0,0)
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elif main_axis == 1:
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projGroup.Anchor.Direction = App.Vector(1,0,0)
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projGroup.Anchor.XDirection = App.Vector(0,1,0)
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projGroup.Anchor.RotationVector = App.Vector(0,1,0)
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elif main_axis == 2:
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projGroup.Anchor.Direction = App.Vector(0,1,0)
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projGroup.Anchor.XDirection = App.Vector(0,0,1)
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projGroup.Anchor.RotationVector = App.Vector(0,0,1)
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projGroup.addProjection('Top')
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projGroup.addProjection('Left')
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projGroup.X = 130.0
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projGroup.Y = 150.0
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texts = page.Template.EditableTexts
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texts['SCALE'] = str(int(scale_numerator+0.5))+':'+str(int(scale_denominator+0.5))
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try:
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texts['PM'] = main_object.Assembly_handbook_Material
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except:
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pass
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texts['PN'] = doc.Name
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texts['TITLELINE-1'] = doc.Name
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page.Template.EditableTexts = texts
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async def addDimensions():
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for view in projGroup.Views:
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if verbose: print("View: " + view.Label + "...")
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edges = []
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visibleEdges = view.getVisibleEdges()
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edgeIdx = 0
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lowestEdgeName = ''
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lowestEdgePos = 1000000
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while True:
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try:
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edge = view.getEdgeByIndex(edgeIdx)
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except:
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break
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edges.append(edge)
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if edge.BoundBox.YLength < 0.01 and edge.BoundBox.Center.y < lowestEdgePos:
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lowestEdgePos = edge.BoundBox.Center.y
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lowestEdgeName = 'Edge' + str(edgeIdx)
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edgeIdx = edgeIdx + 1
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vertices = []
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vertIdx = 0
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while True:
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try:
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vert = view.getVertexByIndex(vertIdx)
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except:
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break
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vertices.append(vert)
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vertIdx = vertIdx + 1
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def getFeatureName(edge):
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if edge.Curve.TypeId == 'Part::GeomCircle':
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vertIdx = 0
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c = edge.BoundBox.Center
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closestDist = 100000000
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closestVert = None
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for vert in vertices:
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dx = vert.X - c.x
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dy = vert.Y - c.y
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dist = math.sqrt(dx*dx + dy*dy)
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if dist < closestDist:
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closestDist = dist
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closestVert = vert
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vertIdx = vertIdx + 1
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if closestVert is not None:
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return 'Vertex' + str(vertices.index(closestVert))
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else:
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return ''
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else:
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return 'Edge'+str(edges.index(edge))
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if verbose: print("Listing features...")
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features = []
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for edge in edges:
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if (edge.Curve.TypeId == 'Part::GeomLine' and edge.BoundBox.XLength <= 0.01) or (edge.Curve.TypeId == 'Part::GeomCircle' and abs(edge.Curve.Radius * 2.0 - edge.BoundBox.XLength) < 0.001 and abs(edge.Curve.Radius * 2.0 - edge.BoundBox.YLength) < 0.001):
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featureName = getFeatureName(edge)
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if featureName == '':
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continue
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pos = edge.BoundBox.Center.x
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duplicate = False
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for otherFeature in features:
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if abs(otherFeature[0] - pos) < 0.1:
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duplicate = True
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break
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if not duplicate:
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features.append((pos, edge, featureName))
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features.sort(key=lambda e: e[0])
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def addDimension(edgeA, edgeB, posY):
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dim = doc.addObject('TechDraw::DrawViewDimension','Dimension')
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dim.Type = 'DistanceX'
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dim.References2D = [(view, (getFeatureName(edgeA), getFeatureName(edgeB)))]
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visibleEdgeA = visibleEdges[edges.index(edgeA)]
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visibleEdgeB = visibleEdges[edges.index(edgeB)]
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dim.X = (visibleEdgeA.BoundBox.Center.x + visibleEdgeB.BoundBox.Center.x) * 0.5
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dim.Y = posY
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page.addView(dim)
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if edgeB.Curve.TypeId == 'Part::GeomCircle':
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if abs(edgeB.BoundBox.XLength - 6.5) > 0.01:
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dim = doc.addObject('TechDraw::DrawViewDimension','Dimension')
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dim.Type = 'Diameter'
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dim.References2D = [(view, ('Edge'+str(edges.index(edgeB)),))]
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dim.X = visibleEdgeB.BoundBox.Center.x + 6.0
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dim.Y = -6.0
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page.addView(dim)
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if abs(edgeB.BoundBox.Center.y) > 0.01 and lowestEdgeName != '':
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dim = doc.addObject('TechDraw::DrawViewDimension','Dimension')
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dim.Type = 'DistanceY'
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dim.References2D = [(view, (getFeatureName(edgeB),lowestEdgeName))]
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dim.X = visibleEdgeB.BoundBox.Center.x + 2.0
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dim.Y = -6.0
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page.addView(dim)
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if verbose: print("Adding dimensions...")
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if len(features) >= 2:
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if projGroup.Views.index(view) != 0:
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addDimension(features[0][1], features[len(features)-1][1], -25.0)
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if len(features) > 2:
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for featureIdx in range(0, len(features) - 1):
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if featureIdx == 0 or features[featureIdx][1].Curve.TypeId != 'Part::GeomLine':
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addDimension(features[featureIdx][1], features[featureIdx + 1][1], 15.0)
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if verbose: print("Adding secondary objects...")
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if code_obj is not None:
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projGroup.Source = projGroup.Source + [code_obj]
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page.recompute(True)
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await vspt_coroutine.get_main_loop().wait(1)
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await addDimensions()
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if verbose: print("Saving...")
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page.recompute(True)
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page.ViewObject.Visibility = False # don't save the document with the page open or it will automatically reopen on load
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doc.save()
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if verbose: print("Closing...")
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vspt_freecad.close_all_docs()
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async def run():
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try:
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folders = [
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'tubes'
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]
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for folder in folders:
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files = os.listdir(project_folder + '/' + folder)
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for source_file in files:
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if not source_file.endswith('.FCStd'): continue
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source_path = folder + '/' + source_file
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print(source_path)
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await generate_2d_drawing(source_path)
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# exit FreeCAD
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vspt_freecad.close_all_docs()
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FreeCADGui.getMainWindow().close()
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except Exception as e:
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print(e)
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vspt_coroutine.get_main_loop().create_task(run())
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