added remove-wall-paint.py

Author: mgjean

0-python-code/HowTo_RemoveWallPaint.py

@@ -0,0 +1,57 @@
+"""
+Remove Wall Paint
+
+TESTED REVIT API: 2017
+
+Author: min.naung @https://twentytwo.space/contact | https://github.com/mgjean
+
+This file is shared on www.revitapidocs.com
+For more information visit http://github.com/gtalarico/revitapidocs
+License: http://github.com/gtalarico/revitapidocs/blob/master/LICENSE.md
+"""
+
+from Autodesk.Revit.DB import Transaction, Reference, FilteredElementCollector
+
+
+uidoc = __revit__.ActiveUIDocument
+doc = __revit__.ActiveUIDocument.Document
+
+# selected elements
+selection = uidoc.Selection
+# wall category id
+catId = FilteredElementCollector(doc).OfClass(Wall).ToElements()[0].Category.Id
+
+# filtered wall elements
+walls = [doc.GetElement(id) for id in selection.GetElementIds() if doc.GetElement(id).Category.Id == catId]
+
+# info message
+msg = "%s walls." %len(walls) if len(walls)>1 else "%s wall." %len(walls) 
+
+# transaction
+t = Transaction(doc, 'walls paint remove')
+
+# start transaction
+t.Start()
+
+# loop wall elements
+for wall in walls:
+	
+	# get geometry object (solid)
+	geoelem = wall.GetGeometryObjectFromReference(Reference(wall))
+	
+	# solid to geometry object
+	geoobj = geoelem.GetEnumerator()
+	
+	# loop geometry object
+	for obj in geoobj:
+	
+		# collect faces from geometry object
+		for f in obj.Faces:
+		
+			# get each face
+			doc.RemovePaint(wall.Id,f)
+
+# print info message
+print "Paint removed from %s" %(msg)
+#end of transaction
+t.Commit()