590 lines
29 KiB
Python
590 lines
29 KiB
Python
# ***************************************************************************
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# * *
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# * Copyright (c) 2019 Yorik van Havre <yorik@uncreated.net> *
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# * *
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# * This program is free software; you can redistribute it and/or modify *
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# * it under the terms of the GNU Lesser General Public License (LGPL) *
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# * as published by the Free Software Foundation; either version 2 of *
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# * the License, or (at your option) any later version. *
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# * for detail see the LICENCE text file. *
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# * *
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# * This program is distributed in the hope that it will be useful, *
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# * but WITHOUT ANY WARRANTY; without even the implied warranty of *
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# * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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# * GNU Library General Public License for more details. *
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# * *
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# * You should have received a copy of the GNU Library General Public *
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# * License along with this program; if not, write to the Free Software *
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# * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 *
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# * USA *
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# * *
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# ***************************************************************************
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"""The BIM Diff command"""
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import os
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import FreeCAD
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import FreeCADGui
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QT_TRANSLATE_NOOP = FreeCAD.Qt.QT_TRANSLATE_NOOP
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translate = FreeCAD.Qt.translate
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class BIM_Diff:
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def GetResources(self):
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return {
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"Pixmap": "BIM_Diff",
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"MenuText": QT_TRANSLATE_NOOP("BIM_Diff", "IFC Diff"),
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"ToolTip": QT_TRANSLATE_NOOP(
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"BIM_Diff", "Shows the difference between two IFC-based documents"
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),
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}
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def IsActive(self):
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v = hasattr(FreeCADGui.getMainWindow().getActiveWindow(), "getSceneGraph")
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return v
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def Activated(self):
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# you need two documents open, containing BIM objects with same IDs
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# make the main doc the active one before running this script!
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# what will be compared: IDs, geometry, materials. Everything else is discarded.
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from PySide import QtCore, QtGui
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import Draft
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MOVE_TOLERANCE = 0.2 # the max allowed move in mm
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VOL_TOLERANCE = 250 # the max allowed volume diff in mm^3
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documents = FreeCAD.listDocuments()
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if len(documents) == 2:
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reply = QtGui.QMessageBox.question(
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None,
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"",
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translate(
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"BIM",
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"The document currently viewed must be your main one. The other contains newer objects that you wish to merge into this one. Make sure only the objects you wish to compare are visible in both. Proceed?",
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),
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QtGui.QMessageBox.Yes | QtGui.QMessageBox.No,
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QtGui.QMessageBox.No,
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)
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if reply == QtGui.QMessageBox.Yes:
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activedoc = FreeCAD.ActiveDocument
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if list(documents.keys())[0] == activedoc.Name:
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otherdoc = list(documents.values())[1]
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else:
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otherdoc = list(documents.values())[0]
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# build lists of BIM objects with IFC ID
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objswithoutid = [] # let's try to match these later on
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activedocids = {} # main document, the original freecad one
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for obj in activedoc.Objects:
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if hasattr(obj, "IfcData") and obj.ViewObject.Visibility:
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if "IfcUID" in obj.IfcData:
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activedocids[obj.IfcData["IfcUID"]] = obj
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elif obj.isDerivedFrom(
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"Part::Feature"
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): # discard BuildingParts
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objswithoutid.append(obj)
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otherdocids = {} # other doc to be merged to the main one
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for obj in otherdoc.Objects:
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if hasattr(obj, "IfcData") and obj.ViewObject.Visibility:
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if "IfcUID" in obj.IfcData:
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otherdocids[obj.IfcData["IfcUID"]] = obj
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toselect = [] # objects to select when finished
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additions = [] # objects added
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subtractions = [] # objects subtracted
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modified = [] # objects modified
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moved = [] # objects moved
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matchanged = [] # object is same, but material changed
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matchangedghost = (
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[]
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) # store shapes of objects whose material has changed to print a blue ghost later on
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renamed = {} # object label changes
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propertieschanged = {} # objects whose IFC properties are different
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for id, obj in otherdocids.items():
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if id in activedocids:
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# this object already exists
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mainobj = activedocids[id]
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if obj.Label != mainobj.Label:
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# object has a different name
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renamed[mainobj.Name] = obj.Label
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if obj.IfcProperties and (
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obj.IfcProperties != mainobj.IfcProperties
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):
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# properties have changed
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propertieschanged[id] = obj.IfcProperties
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if hasattr(obj, "Shape") and hasattr(mainobj, "Shape"):
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v = abs(obj.Shape.Volume - mainobj.Shape.Volume)
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if v < VOL_TOLERANCE:
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# identical volume
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l = (
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obj.Shape.BoundBox.Center.sub(
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mainobj.Shape.BoundBox.Center
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)
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).Length
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if l < MOVE_TOLERANCE:
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# identical position
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if (
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abs(
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obj.Shape.BoundBox.XMin
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- mainobj.Shape.BoundBox.XMin
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)
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< MOVE_TOLERANCE
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and abs(
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obj.Shape.BoundBox.YMin
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- mainobj.Shape.BoundBox.YMin
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)
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< MOVE_TOLERANCE
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and abs(
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obj.Shape.BoundBox.YMin
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- mainobj.Shape.BoundBox.YMin
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)
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< MOVE_TOLERANCE
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):
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# same boundbox
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if (
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hasattr(obj, "Material")
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and hasattr(mainobj, "Material")
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and (
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obj.Material
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and mainobj.Material
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and (
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obj.Material.Label
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== mainobj.Material.Label
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)
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)
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or (obj.Material == mainobj.Material)
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):
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# same material names
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obj.ViewObject.hide()
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else:
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print(
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"Object",
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mainobj.Label,
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"material has changed",
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)
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obj.ViewObject.hide() # we hide these objects since the shape hasn't changed but we keep their shapes
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matchangedghost.append(obj.Shape)
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matchanged.append(obj)
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else:
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print(
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"Object",
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mainobj.Label,
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"shape bound box has changed",
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)
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toselect.append(obj)
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modified.append(obj)
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else:
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print(
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"Object",
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mainobj.Label,
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"position has moved by",
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l,
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"mm",
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)
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toselect.append(obj)
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moved.append(obj)
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else:
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print(
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"Object",
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mainobj.Label,
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"shape has changed by",
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v,
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"mm^3",
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)
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toselect.append(obj)
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modified.append(obj)
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else:
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print(
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"Object",
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mainobj.Label,
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"one of the objects has no shape",
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)
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toselect.append(obj)
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else:
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print("Object", obj.Label, "doesn't exist yet in main doc")
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toselect.append(obj)
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additions.append(obj)
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for id, obj in activedocids.items():
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if not id in otherdocids:
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if obj.isDerivedFrom(
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"Part::Feature"
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): # don't count building parts
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print(
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"Object", obj.Label, "doesn't exist anymore in new doc"
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)
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subtractions.append(obj)
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# try to find our objects without ID
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newids = {}
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for obj in objswithoutid:
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for id, otherobj in otherdocids.items():
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if not id in activedocids:
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if (
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abs(otherobj.Shape.Volume - obj.Shape.Volume)
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< VOL_TOLERANCE
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):
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if (
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otherobj.Shape.BoundBox.Center.sub(
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obj.Shape.BoundBox.Center
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)
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).Length < MOVE_TOLERANCE:
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if (
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abs(
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obj.Shape.BoundBox.XMin
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- otherobj.Shape.BoundBox.XMin
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)
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< MOVE_TOLERANCE
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and abs(
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obj.Shape.BoundBox.YMin
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- otherobj.Shape.BoundBox.YMin
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)
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< MOVE_TOLERANCE
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and abs(
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obj.Shape.BoundBox.YMin
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- otherobj.Shape.BoundBox.YMin
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)
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< MOVE_TOLERANCE
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):
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# shapes are identical. It's the same object!
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newids[obj.Name] = id
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break
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else:
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print(
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"Object",
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obj.Label,
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"has no ID and wasn't found in the new doc",
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)
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subtractions.append(obj)
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matnames = {} # existing materials
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for obj in activedoc.Objects:
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if Draft.getType(obj) == "Material":
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matnames[obj.Label] = obj
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newmats = {} # new materials
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for obj in otherdoc.Objects:
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if Draft.getType(obj) == "Material":
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if not obj.Label in matnames:
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print("Material", obj.Label, "doesn't exist in main doc")
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toselect.append(obj)
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newmats[obj.Label] = obj
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if newmats:
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group = otherdoc.addObject(
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"App::DocumentObjectGroup", "New_materials"
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)
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for newmat in newmats.values():
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group.addObject(newmat)
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if toselect:
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FreeCAD.setActiveDocument(otherdoc.Name)
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FreeCAD.ActiveDocument = FreeCADGui.getDocument(otherdoc.Name)
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FreeCADGui.ActiveDocument = FreeCADGui.getDocument(otherdoc.Name)
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FreeCADGui.Selection.clearSelection()
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for obj in toselect:
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FreeCADGui.Selection.addSelection(obj)
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if additions:
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shape = Part.makeCompound([a.Shape for a in additions])
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obj = activedoc.addObject("Part::Feature", "Additions")
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obj.Shape = shape
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obj.ViewObject.LineWidth = 5
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obj.ViewObject.LineColor = (0.0, 1.0, 0.0)
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obj.ViewObject.ShapeColor = (0.0, 1.0, 0.0)
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obj.ViewObject.Transparency = 60
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if subtractions:
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shape = Part.makeCompound([s.Shape for s in subtractions])
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obj = activedoc.addObject("Part::Feature", "Subtractions")
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obj.Shape = shape
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obj.ViewObject.LineWidth = 5
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obj.ViewObject.LineColor = (1.0, 0.0, 0.0)
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obj.ViewObject.ShapeColor = (1.0, 0.0, 0.0)
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obj.ViewObject.Transparency = 60
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if modified:
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shape = Part.makeCompound([m.Shape for m in modified])
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obj = activedoc.addObject("Part::Feature", "Modified")
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obj.Shape = shape
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obj.ViewObject.LineWidth = 5
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obj.ViewObject.LineColor = (1.0, 0.5, 0.0)
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obj.ViewObject.ShapeColor = (1.0, 0.5, 0.0)
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obj.ViewObject.Transparency = 60
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if moved:
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shape = Part.makeCompound([m.Shape for m in moved])
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obj = activedoc.addObject("Part::Feature", "Moved")
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obj.Shape = shape
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obj.ViewObject.LineWidth = 5
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obj.ViewObject.LineColor = (1.0, 1.0, 0.0)
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obj.ViewObject.ShapeColor = (1.0, 1.0, 0.0)
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obj.ViewObject.Transparency = 60
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if matchangedghost:
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shape = Part.makeCompound(matchangedghost)
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obj = otherdoc.addObject("Part::Feature", "Material_changed")
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obj.Shape = shape
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obj.ViewObject.LineWidth = 1
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obj.ViewObject.LineColor = (0.0, 0.0, 1.0)
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obj.ViewObject.ShapeColor = (0.0, 0.0, 1.0)
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obj.ViewObject.Transparency = 90
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if matchanged:
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reply = QtGui.QMessageBox.question(
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None,
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"",
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str(len(matchanged))
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+ " "
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+ translate(
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"BIM",
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"objects still have the same shape but have a different material. Do you wish to update them in the main document?",
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),
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QtGui.QMessageBox.Yes | QtGui.QMessageBox.No,
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QtGui.QMessageBox.No,
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)
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if reply == QtGui.QMessageBox.Yes:
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for obj in matchanged:
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mat = obj.Material
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if mat:
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mainobj = activedocids[obj.IfcData["IfcUID"]]
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if mainobj.Material:
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mainmatlabel = mainobj.Material.Label
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else:
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mainmatlabel = "None"
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if mat.Label in matnames:
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# the new material already exists, just change it
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print(
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"Changing material of",
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mainobj.Label,
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"from",
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mainmatlabel,
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"to",
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mat.Label,
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)
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mainobj.Material = matnames[mat.Label]
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else:
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# copy the material over
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newmat = activedoc.addObject(
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"App::MaterialObjectPython", "Material"
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)
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newmat.Label = mat.Label
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import ArchMaterial
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ArchMaterial._ArchMaterial(newmat)
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ArchMaterial._ViewProviderArchMaterial(
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newmat.ViewObject
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)
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newmat.Material = mat.Material
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print(
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"Changing material of",
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mainobj.Label,
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"from",
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mainmatlabel,
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"to",
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newmat.Label,
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)
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mainobj.Material = newmat
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matnames[newmat.Label] = newmat
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if newids:
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reply = QtGui.QMessageBox.question(
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None,
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"",
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str(len(newids))
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+ " "
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+ translate(
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"BIM",
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"objects have no IFC ID in the main document, but an identical object with an ID exists in the new document. Transfer these IDs to the original objects?",
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),
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QtGui.QMessageBox.Yes | QtGui.QMessageBox.No,
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QtGui.QMessageBox.No,
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)
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if reply == QtGui.QMessageBox.Yes:
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for name, id in newids.items():
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obj = activedoc.getObject(name)
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if obj:
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print("Transferring new id to object", obj.Label)
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a = obj.IfcData
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a["IfcUID"] = id
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obj.IfcData = a
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if renamed:
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reply = QtGui.QMessageBox.question(
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None,
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"",
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str(len(renamed))
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+ " "
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+ translate(
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"BIM", "objects had their name changed. Rename them?"
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),
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QtGui.QMessageBox.Yes | QtGui.QMessageBox.No,
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QtGui.QMessageBox.No,
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)
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if reply == QtGui.QMessageBox.Yes:
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for name, label in renamed.items():
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obj = activedoc.getObject(name)
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if obj:
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print("Renaming object", obj.Label, "to", label)
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obj.Label = label
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if propertieschanged:
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reply = QtGui.QMessageBox.question(
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None,
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"",
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str(len(propertieschanged))
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+ " "
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+ translate(
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"BIM", "objects had their properties changed. Update?"
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),
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QtGui.QMessageBox.Yes | QtGui.QMessageBox.No,
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QtGui.QMessageBox.No,
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)
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if reply == QtGui.QMessageBox.Yes:
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for id, prop in propertieschanged.items():
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obj = activedocids[id]
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print("Updating properties of ", obj.Label)
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obj.IfcProperties = prop
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if moved:
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reply = QtGui.QMessageBox.question(
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None,
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"",
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str(len(moved))
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+ " "
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+ translate(
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"BIM",
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"objects have their location changed. Move them to their new position?",
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),
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QtGui.QMessageBox.Yes | QtGui.QMessageBox.No,
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QtGui.QMessageBox.No,
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)
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if reply == QtGui.QMessageBox.Yes:
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for obj in moved:
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mainobj = activedocids[obj.IfcData["IfcUID"]]
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otherobj = otherdocids[obj.IfcData["IfcUID"]]
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delta = otherobj.Shape.BoundBox.Center.sub(
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mainobj.Shape.BoundBox.Center
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)
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print("Moving object ", mainobj.Label)
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Draft.move(mainobj, delta)
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reply = QtGui.QMessageBox.question(
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None,
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"",
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translate(
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"BIM",
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"Do you wish to colorize the objects that have moved in yellow in the other file (to serve as a diff)?",
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),
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QtGui.QMessageBox.Yes | QtGui.QMessageBox.No,
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QtGui.QMessageBox.No,
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)
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if reply == QtGui.QMessageBox.Yes:
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for obj in moved:
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otherobj = otherdocids[obj.IfcData["IfcUID"]]
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try:
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otherobj.ViewObject.LineColor = (1.0, 1.0, 0.0)
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otherobj.ViewObject.ShapeColor = (1.0, 1.0, 0.0)
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otherobj.ViewObject.Transparency = 60
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except AttributeError:
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print(otherobj.Label, "cannot be colorized")
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if modified:
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reply = QtGui.QMessageBox.question(
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None,
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"",
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translate(
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"BIM",
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"Do you wish to colorize the objects that have been modified in orange in the other file (to serve as a diff)?",
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),
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QtGui.QMessageBox.Yes | QtGui.QMessageBox.No,
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QtGui.QMessageBox.No,
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)
|
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if reply == QtGui.QMessageBox.Yes:
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for obj in modified:
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otherobj = otherdocids[obj.IfcData["IfcUID"]]
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try:
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otherobj.ViewObject.LineColor = (1.0, 0.5, 0.0)
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otherobj.ViewObject.ShapeColor = (1.0, 0.5, 0.0)
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otherobj.ViewObject.Transparency = 60
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except AttributeError:
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print(otherobj.Label, "cannot be colorized")
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if subtractions:
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reply = QtGui.QMessageBox.question(
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None,
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"",
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str(len(subtractions))
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+ " "
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+ translate(
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"BIM",
|
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"objects don't exist anymore in the new document. Move them to a 'To Delete' group?",
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),
|
|
QtGui.QMessageBox.Yes | QtGui.QMessageBox.No,
|
|
QtGui.QMessageBox.No,
|
|
)
|
|
if reply == QtGui.QMessageBox.Yes:
|
|
group = activedoc.addObject(
|
|
"App::DocumentObjectGroup", "ToDelete"
|
|
)
|
|
group.Label = "To Delete"
|
|
for obj in subtractions:
|
|
group.addObject(obj)
|
|
reply = QtGui.QMessageBox.question(
|
|
None,
|
|
"",
|
|
translate(
|
|
"BIM",
|
|
"Do you wish to colorize the objects that have been removed in red in the other file (to serve as a diff)?",
|
|
),
|
|
QtGui.QMessageBox.Yes | QtGui.QMessageBox.No,
|
|
QtGui.QMessageBox.No,
|
|
)
|
|
if reply == QtGui.QMessageBox.Yes:
|
|
for obj in subtractions:
|
|
otherobj = otherdoc.addObject("Part::Feature", "Deleted")
|
|
otherobj.Shape = obj.Shape
|
|
otherobj.ViewObject.LineColor = (1.0, 0.0, 0.0)
|
|
otherobj.ViewObject.ShapeColor = (1.0, 0.0, 0.0)
|
|
otherobj.ViewObject.Transparency = 60
|
|
|
|
if additions:
|
|
reply = QtGui.QMessageBox.question(
|
|
None,
|
|
"",
|
|
translate(
|
|
"BIM",
|
|
"Do you wish to colorize the objects that have been added in green in the other file (to serve as a diff)?",
|
|
),
|
|
QtGui.QMessageBox.Yes | QtGui.QMessageBox.No,
|
|
QtGui.QMessageBox.No,
|
|
)
|
|
if reply == QtGui.QMessageBox.Yes:
|
|
for obj in additions:
|
|
otherobj = otherdocids[obj.IfcData["IfcUID"]]
|
|
try:
|
|
otherobj.ViewObject.LineColor = (0.0, 1.0, 0.0)
|
|
otherobj.ViewObject.ShapeColor = (0.0, 1.0, 0.0)
|
|
otherobj.ViewObject.Transparency = 60
|
|
except AttributeError:
|
|
print(otherobj.Label, "cannot be colorized")
|
|
|
|
else:
|
|
QtGui.QMessageBox.information(
|
|
None,
|
|
"",
|
|
translate(
|
|
"BIM",
|
|
"You need two documents open to run this tool. One which is your main document, and one that contains new objects that you wish to compare against the existing one. Make sure only the objects you wish to compare in both documents are visible.",
|
|
),
|
|
)
|
|
|
|
|
|
FreeCADGui.addCommand("BIM_Diff", BIM_Diff())
|