uvcalc_smart_project.py - fixed error in rare cases.

xfig_export.py - NMesh to Mesh, minor improvements/cleanup.
unweld.py - fixed error when a vert had no faces, also some small speedups and changes.

release/scripts/unweld.py

@@ -100,7 +100,7 @@ SUBSURF=0
 DIM=Create(1.0)
 
 def  Buffer(v,t):
-	print dir(v)
+	if DEBUG : print dir(v)
 	for n in range(len(v)): t[n]=t[n]+v[n]
 	return t
 
@@ -138,7 +138,7 @@ def connectedFacesList(me,thegood):
 	for f in me.faces:
 		for v in f.v:
 			if v==thegood:
-				if v.index not in listf2v.keys():
+				if v.index not in listf2v: # .keys()
 					listf2v[me.verts.index(v)]=[f]
 				elif f not in listf2v[me.verts.index(v)]:
 					listf2v[me.verts.index(v)].append(f)
@@ -189,7 +189,7 @@ def collecte_edge(listf2v,me,thegood):
 			vlist = [0,1,2,0]
 		else:
 			vlist = [0,1]
-		for i in range(len(vlist)-1):              
+		for i in xrange(len(vlist)-1):              
 			vert0 = min(face.v[vlist[i]].index,face.v[vlist[i+1]].index)
 			vert1 = max(face.v[vlist[i]].index,face.v[vlist[i+1]].index)              
 			edgeinlist = 0
@@ -204,16 +204,17 @@ def collecte_edge(listf2v,me,thegood):
 					edge = [vert0,vert1,1,me.faces.index(face)]
 					edgelist.append(edge)
 					
-	for  edge in edgelist:
+	for i, edge in enumerate(edgelist):
 		#print edge
 		if len(edge)==4:
-				del edgelist[edgelist.index(edge)]
+			del edgelist[i]
 				
 	edges=len(edgelist)
 	if DEBUG : print 'number of edges : ',edges," Edge list : " ,edgelist    
 	return edges, edgelist     
 
-OBJECT=Blender.Scene.GetCurrent().getActiveObject()
+import bpy
+OBJECT= bpy.data.scenes.active.objects.active
 
 if OBJECT and OBJECT.type=='Mesh':
 	if OBJECT.getData(mesh=1).multires:
@@ -227,22 +228,20 @@ if OBJECT and OBJECT.type=='Mesh':
 		result = Blender.Draw.PupMenu(name)
 		if result:
 			me=OBJECT.getData()
-			sole=0
+			
-			vSelection=[]
 			for v in me.verts:
-				if v.sel==1:
+				if v.sel:
-					vSelection.append(v)
-			for v in  vSelection:
 					thegood=v    
 					if DEBUG : print thegood
 					listf2v=connectedFacesList(me,thegood)
-					me=createAdditionalFace(me,thegood,listf2v)
+					if listf2v:
-					#OBJECT.link(me)
+						me=createAdditionalFace(me,thegood,listf2v)
-					me.update()
+						#OBJECT.link(me)
-					OBJECT.makeDisplayList()
+						me.update()
+			
+			OBJECT.makeDisplayList()
 			
 		Blender.Window.EditMode(EDITMODE)
 	
 else:
-	name = "Nothing to do! Did you select at least one vertex?"
+	BPyMessages.Error_NoMeshActive()
-	result = Blender.Draw.PupMenu(name)

release/scripts/uvcalc_smart_project.py

@@ -644,6 +644,9 @@ def getUvIslands(faceGroups, me):
 		faceGroupIdx-=1
 		faces = faceGroups[faceGroupIdx]
 		
+		if not faces:
+			continue
+		
 		# Build edge dict
 		edge_users = {}
 		

release/scripts/xfig_export.py

@@ -1,8 +1,7 @@
 #!BPY
-
 """
 Name: 'xfig export (.fig)'
-Blender: 237
+Blender: 244
 Group: 'Export'
 Tooltip: 'Export selected mesh to xfig Format (.fig)'
 """
@@ -29,7 +28,7 @@ __bpydoc__ = """\
 # 'Raw triangle export' (Anthony D'Agostino, http://www.redrival.com/scorpius)|
 
 import Blender
-from Blender import NMesh, Draw, BGL
+from Blender import Draw, BGL
 from Blender.Window import DrawProgressBar
 #, meshtools
 import sys
@@ -40,8 +39,8 @@ import sys
 # =================================
 
 #globals definition and init
-mystring = ""
+mystring = ''
-mymsg = ""
+mymsg = ''
 toggle=0
 sel3files=0
 maxX=-1000000000
@@ -64,107 +63,57 @@ SpacePopup=0
 #end of globals definition
 
 
-def getmaxmin():
+def getmaxmin(ob, mesh):
 	"""Gets the max-min coordinates of the mesh"""
 	
 	global maxX,maxY,maxZ,minX,minY,minZ
 	"""Getting the extremes of the mesh to be exported"""
-	objects = Blender.Object.GetSelected()
-	objname = objects[0].name
-	meshname = objects[0].getData(name_only=1)
-	mesh = Blender.NMesh.GetRaw(meshname)
-	obj = Blender.Object.Get(objname)
-	#initializing max-min find.
-	# ...is there a standard python function to find those values?
-	face =mesh.faces[1]
-	if len(face.v)==3:
-		v1,v2,v3=face.v
-	if len(face.v)==4:
-		v1,v2,v3,v4=face.v
-	if len(face.v)==2: 
-		v1,v2=face.v
-	#is the next condition a nonsense for  a face? ...Anyway, to be sure....
-	if len(face.v)==1:
-		v1=face.v
 	
-	maxX,maxY,maxZ	= v1
+	maxX=maxY=maxZ = -1000000000
-	minX, minY, minZ = v1
+	minX=minY=minZ =  1000000000
 	
 	for face in mesh.faces:
-	    #if (face.flag & Blender.NMesh.FaceFlags['ACTIVE']):	
+		for v in face:
-				if len(face.v) == 3:		# triangle
+			x,y,z = v.co
-					v1, v2, v3 = face.v
+			maxX = max(maxX, x)
-					x1,y1,z1 = v1.co
+			maxY = max(maxY, y)
-					x2,y2,z2 = v2.co
+			maxZ = max(maxZ, z)
-					x3,y3,z3 = v3.co
+			minX = min(minX, x)
-					maxX = max (maxX, x1, x2, x3)
+			minY = min(minY, y)
-					maxY = max (maxY, y1, y2, y3)
+			minZ = min(minZ, z)
-					maxZ = max (maxZ, z1, z2, z3)
+
-					minX = min (minX, x1, x2, x3)
-					minY = min (minY, y1, y2, y3)
-					minZ = min (minZ, z1, z2, z3)
-				elif len(face.v)==2:
-					v1,v2=face.v
-					x1,y1,z1 = v1.co
-					x2,y2,z2 = v2.co
-					maxX = max (maxX, x1, x2)
-					maxY = max (maxY, y1, y2)
-					maxZ = max (maxZ, z1, z2)
-					minX = min (minX, x1, x2)
-					minY = min (minY, y1, y2)
-					minZ = min (minZ, z1, z2)
-				elif len(face.v)==1:
-					v1=face.v
-					x1,y1,z1 = v1.co
-					maxX = max (maxX, x1)
-					maxY = max (maxY, y1)
-					maxZ = max (maxZ, z1)
-					minX = min (minX, x1)
-					minY = min (minY, y1)
-					minZ = min (minZ, z1)
-				elif len(face.v)==4: 
-					v1,v2,v3,v4=face.v
-					x1,y1,z1 = v1.co
-					x2,y2,z2 = v2.co
-					x3,y3,z3 = v3.co
-					x4,y4,z4 = v4.co
-					maxX = max (maxX, x1, x2, x3, x4)
-					maxY = max (maxY, y1, y2, y3, y4)
-					maxZ = max (maxZ, z1, z2, z3, z4)
-					minX = min (minX, x1, x2, x3, x4)
-					minY = min (minY, y1, y2, y3, y4)
-					minZ = min (minZ, z1, z2, z3, z4)
 def xfigheader():
 	global export_type
-	print "#FIG 3.2  Produced by xfig version 3.2.5-alpha5"
+	print '#FIG 3.2  Produced by xfig version 3.2.5-alpha5'
-	print "Landscape"
+	print 'Landscape'
-	print"Center"
+	print 'Center'
 	if boolmode==0:
-		print"Inches"
+		print 'Inches'
 	else:
-		print"Metric"
+		print 'Metric'
 	#print export_type
-	print"Letter"
+	print 'Letter'
-	print"100.00"
+	print '100.00'
-	print"Single"
+	print 'Single'
-	print "-2"
+	print '-2'
-	print "1200 2"
+	print '1200 2'
 
-def xytransform (face):
+def xytransform(face):
 	"""gives the face vertexes coordinates in the xfig format/translation (view xy)"""
 	v4=None
 	x4=y4=z4=None
-	if len(face.v)==3:
+	if len(face)==3:
-	  v1,v2,v3=face.v
+		v1,v2,v3=face.v
-  	else:
+	else:
-	  v1,v2,v3,v4=face.v	
+		v1,v2,v3,v4=face.v	
+	
 	x1,y1,z1 = v1.co
 	x2,y2,z2 = v2.co
 	x3,y3,z3 = v3.co
 	y1=-y1
 	y2=-y2
 	y3=-y3
-	if v4 !=None:
+	if v4:
 		x4,y4,z4 = v4.co
 		y4=-y4
 	return x1,y1,z1,x2,y2,z2,x3,y3,z3,x4,y4,z4 
@@ -173,10 +122,10 @@ def xztransform(face):
 	"""gives the face vertexes coordinates in the xfig format/translation (view xz)"""
 	v4=None
 	x4=y4=z4=None
-	if len(face.v)==3:
+	if len(face)==3:
-	  v1,v2,v3=face.v
+		v1,v2,v3=face.v
-  	else:
+	else:
-	  v1,v2,v3,v4=face.v	
+		v1,v2,v3,v4=face.v	
 
 	#Order vertexes
 	x1,y1,z1 = v1.co
@@ -190,7 +139,7 @@ def xztransform(face):
 	z2=-z2+maxZ-minY +space
 	z3=-z3+maxZ-minY +space
 
-	if v4 !=None:
+	if v4:
 		x4,y4,z4 = v4.co
 		y4=-y4
 		z4=-z4+maxZ-minY +space 
@@ -200,219 +149,214 @@ def yztransform(face):
 	"""gives the face vertexes coordinates in the xfig format/translation (view xz)"""
 	v4=None
 	x4=y4=z4=None
-	if len(face.v)==3:
+	if len(face)==3:
-	  v1,v2,v3=face.v
+		v1,v2,v3=face.v
-  	else:
+	else:
-	  v1,v2,v3,v4=face.v	
+		v1,v2,v3,v4=face.v	
 
 	#Order vertexes
 	x1,y1,z1 = v1.co
 	x2,y2,z2 = v2.co
 	x3,y3,z3 = v3.co
-	y1=-y1
+	y1=-y1; y2=-y2; y3=-y3
-	y2=-y2
-	y3=-y3
 	z1=-(z1-maxZ-maxX-space)
 	z2=-(z2-maxZ-maxX-space)
 	z3=-(z3-maxZ-maxX-space)
 	
-	if v4 !=None:
+	if v4:
 		x4,y4,z4 = v4.co
 		y4=-y4
 		z4=-(z4-maxZ-maxX-space)
 	return x1,y1,z1,x2,y2,z2,x3,y3,z3,x4,y4,z4 
 
-def figdata(expview):
+def figdata(ob, expview):
 	"""Prints all the xfig data (no header)"""
-	objects = Blender.Object.GetSelected()
+	mesh = ob.getData(mesh=1)
-	objname = objects[0].name
-	meshname = objects[0].getData(name_only=1)
-	mesh = Blender.NMesh.GetRaw(meshname)
-	obj = Blender.Object.Get(objname)
 	facenumber = len(mesh.faces)
 	for face in mesh.faces:
-			if len(face.v) == 3:		# triangle
+			if len(face) == 3:		# triangle
-				print "2 3 0 1 0 7 50 -1 -1 0.000 0 0 -1 0 0 4"
+				print '2 3 0 1 0 7 50 -1 -1 0.000 0 0 -1 0 0 4'
-				if expview=="xy":
+				if expview=='xy':
- 					x1,y1,z1,x2,y2,z2,x3,y3,z3,x4,y4,z4=xytransform(face)
+					x1,y1,z1,x2,y2,z2,x3,y3,z3,x4,y4,z4=xytransform(face)
 					faceverts = int(x1*scale),int(y1*scale),int(x2*scale),int(y2*scale),int(x3*scale),int(y3*scale), int(x1*scale),int(y1*scale)
-				elif expview=="xz":
+				elif expview=='xz':
 					x1,y1,z1,x2,y2,z2,x3,y3,z3,x4,y4,z4=xztransform(face)
 					faceverts = int(x1*scale),int(z1*scale),int(x2*scale),int(z2*scale),int(x3*scale),int(z3*scale), int(x1*scale),int(z1*scale)
-				elif expview=="yz":
+				elif expview=='yz':
 					x1,y1,z1,x2,y2,z2,x3,y3,z3,x4,y4,z4=yztransform(face)
 					faceverts = int(z1*scale),int(y1*scale),int(z2*scale),int(y2*scale),int(z3*scale),int(y3*scale),int(z1*scale),int(y1*scale)
-				print "\t% i % i % i % i % i % i % i % i" % faceverts
+				print '\t% i % i % i % i % i % i % i % i' % faceverts
-			else:
+			else: # Quad
-				if len(face.v) == 4: #quadrilateral	
+				print '2 3 0 1 0 7 50 -1 -1 0.000 0 0 -1 0 0 5'
-					print "2 3 0 1 0 7 50 -1 -1 0.000 0 0 -1 0 0 5"
+				if expview=='xy':
-					if expview=="xy":
+					x1,y1,z1,x2,y2,z2,x3,y3,z3,x4,y4,z4=xytransform(face)
- 					  x1,y1,z1,x2,y2,z2,x3,y3,z3,x4,y4,z4=xytransform(face)
+					faceverts = int(x1*scale),int(y1*scale),int(x2*scale),int(y2*scale),int(x3*scale),int(y3*scale),int(x4*scale),int(y4*scale), int(x1*scale),int(y1*scale)
-					  faceverts = int(x1*scale),int(y1*scale),int(x2*scale),int(y2*scale),int(x3*scale),int(y3*scale),int(x4*scale),int(y4*scale), int(x1*scale),int(y1*scale)
 
-					elif expview=="xz":
+				elif expview=='xz':
-					  x1,y1,z1,x2,y2,z2,x3,y3,z3,x4,y4,z4=xztransform(face)
+					x1,y1,z1,x2,y2,z2,x3,y3,z3,x4,y4,z4=xztransform(face)
-					  faceverts = int(x1*scale),int(z1*scale),int(x2*scale),int(z2*scale),int(x3*scale),int(z3*scale),int(x4*scale),int(z4*scale), int(x1*scale),int(z1*scale)
+					faceverts = int(x1*scale),int(z1*scale),int(x2*scale),int(z2*scale),int(x3*scale),int(z3*scale),int(x4*scale),int(z4*scale), int(x1*scale),int(z1*scale)
 
-					elif expview=="yz":
+				elif expview=='yz':
-					  x1,y1,z1,x2,y2,z2,x3,y3,z3,x4,y4,z4=yztransform(face)
+					x1,y1,z1,x2,y2,z2,x3,y3,z3,x4,y4,z4=yztransform(face)
-					  faceverts = int(z1*scale),int(y1*scale),int(z2*scale),int(y2*scale),int(z3*scale),int(y3*scale),int(z4*scale),int(y4*scale), int(z1*scale),int(y1*scale)
+					faceverts = int(z1*scale),int(y1*scale),int(z2*scale),int(y2*scale),int(z3*scale),int(y3*scale),int(z4*scale),int(y4*scale), int(z1*scale),int(y1*scale)
-					print "\t% i % i % i % i % i % i % i % i % i % i" % faceverts
+				print '\t% i % i % i % i % i % i % i % i % i % i' % faceverts
-				else: 
-					pass #it should not occour, but....
 
 
-def writexy(filename):
+
+def writexy(ob, filename):
 	"""writes the x-y view file exported"""
 	global maxX, maxY, maxZ
 	global minX, minY, minZ
 	global space
 	global scale
 	#start = time.clock()
-	file = open(filename, "wb")
+	file = open(filename, 'wb')
 	std=sys.stdout
 	sys.stdout=file
 	xfigheader()
-	figdata("xy")# xydata()
+	figdata(ob, 'xy')# xydata()
 	sys.stdout=std
 	Blender.Window.DrawProgressBar(1.0, '')  # clear progressbar
 	file.close()
 	#end = time.clock()
 	#seconds = " in %.2f %s" % (end-start, "seconds")
-	message = "Successfully exported " + Blender.sys.basename(filename)# + seconds
+	print 'Successfully exported ', Blender.sys.basename(filename)# + seconds
-	print message 
 
 def writexz(filename):
 	"""writes the x-z view file exported"""
 	global space,maxX,maxY,maxZ, scale
 	#start = time.clock()
-	file = open(filename, "wb")
+	file = open(filename, 'wb')
 	std=sys.stdout
 	sys.stdout=file
 	xfigheader()
-	figdata("xz")#xzdata()
+	figdata(ob, 'xz')#xzdata()
 	sys.stdout=std
 	Blender.Window.DrawProgressBar(1.0, '')  # clear progressbar
 	file.close()
 	#end = time.clock()
 	#seconds = " in %.2f %s" % (end-start, "seconds")
-	message = "Successfully exported " + Blender.sys.basename(filename)# + seconds
+	print 'Successfully exported ', Blender.sys.basename(filename)# + seconds
-	print message 
 
 def writeyz(filename):
 	"""writes the y-z view file exported"""
 	global maxX, maxY, maxZ, minX, minY, minZ,scale
 	#start = time.clock()
-	file = open(filename, "wb")
+	file = open(filename, 'wb')
 
 	std=sys.stdout
 	sys.stdout=file
 
 	xfigheader()
-  	figdata("yz")#yzdata()	
+	figdata(ob, 'yz')#yzdata()	
 	sys.stdout=std
 	Blender.Window.DrawProgressBar(1.0, '')  # clear progressbar
 	file.close()
 	#end = time.clock()
 	#seconds = " in %.2f %s" % (end-start, "seconds")
-	message = "Successfully exported " + Blender.sys.basename(filename)# + seconds
+	print 'Successfully exported ', Blender.sys.basename(filename)# + seconds
-	print message 
 
-def writeall(filename):
+def writeall(ob, filename):
 	"""writes all 3 views
 	
 	Every view is a combined object in the resulting xfig. file."""
 	global maxX, maxY, maxZ, minX, minY, minZ,scale
 	#start = time.clock()
-	file = open(filename, "wb")
+	file = open(filename, 'wb')
 
 	std=sys.stdout
 	sys.stdout=file
 
 	xfigheader()
-	print "#upper view (7)"
+	print '#upper view (7)'
-	print "6 % i % i % i % i ",  minX, minY, maxX, maxY
+	print '6 % i % i % i % i ',  minX, minY, maxX, maxY
-	figdata("xy") #xydata()
+	figdata(ob, 'xy') #xydata()
-	print "-6"
+	print '-6'
-	print "#bottom view (1)"
+	print '#bottom view (1)'
-	print "6 %i %i %i %i", minX, -minZ+maxZ-minY +space, maxX,-maxZ+maxZ-minY +space
+	print '6 %i %i %i %i', minX, -minZ+maxZ-minY +space, maxX,-maxZ+maxZ-minY +space
-	figdata ("xz") #xzdata()
+	figdata(ob, 'xz') #xzdata()
-  	print "-6"
+	print '-6'
 	
-	print "#right view (3)"
+	print '#right view (3)'
-	print "6 %i %i %i %i", minX, minZ-maxZ-maxX-space, maxX,maxZ-maxZ-maxX-space
+	print '6 %i %i %i %i', minX, minZ-maxZ-maxX-space, maxX,maxZ-maxZ-maxX-space
-	figdata ("yz") #yzdata()	
+	figdata(ob, 'yz') #yzdata()	
-  	print "-6"
+	print '-6'
 	
 	sys.stdout=std
 	Blender.Window.DrawProgressBar(1.0, '')  # clear progressbar
 	file.close()
 	#end = time.clock()
 	#seconds = " in %.2f %s" % (end-start, "seconds")
-	message = "Successfully exported " + Blender.sys.basename(filename)# + seconds
+	print 'Successfully exported ', Blender.sys.basename(filename)# + seconds
 
 
 #********************************************************USER INTERFACE*****************************************************
 #********************************************************USER INTERFACE*****************************************************
 #********************************************************USER INTERFACE*****************************************************
 def gui():              # the function to draw the screen
-  global mystring, mymsg, toggle, sel3files, scale 
+	global mystring, mymsg, toggle, sel3files, scale 
-  global guiret1, guiret2, guiret3, guiret4, guiret5, guiret6, guiret7
+	global guiret1, guiret2, guiret3, guiret4, guiret5, guiret6, guiret7
-  global ScalePopup, SpacePopup, boolmode, guiscale,hidden_flag
+	global ScalePopup, SpacePopup, boolmode, guiscale,hidden_flag
-  if len(mystring) > 90: mystring = ""
+	if len(mystring) > 90: mystring = ''
-  BGL.glClearColor(0,0,1,1)
+	# BGL.glClearColor(0,0,1,1)
-  BGL.glClear(BGL.GL_COLOR_BUFFER_BIT)
+	# BGL.glClear(BGL.GL_COLOR_BUFFER_BIT)
-  BGL.glColor3f(1,1,1)
+	BGL.glColor3f(1,1,1)
-  guiret2=Draw.PushButton("Cancel", 2, 10, 10, 55, 20,"Cancel")
+	guiret2=Draw.PushButton('Cancel', 2, 10, 10, 55, 20,'Cancel')
-  guiret3=Draw.Toggle("1 file per view",    3, 10, 40, 110,20, sel3files, "3 files")
+	guiret3=Draw.Toggle('1 file per view',    3, 10, 40, 110,20, sel3files, 'Export a file for each view')
-  guiret4=Draw.PushButton("Export", 4, 70, 10, 70, 20, "Select filename and export") 
+	guiret4=Draw.PushButton('Export', 4, 70, 10, 70, 20, 'Select filename and export') 
 
-  ScalePopup=Draw.Number("Scale", 5, 10,70, 110,20, guiscale, 0.0001, 1000.1, "Scaling factor")
+	ScalePopup=Draw.Number('Scale', 5, 10,70, 110,20, guiscale, 0.0001, 1000.1, 'Scaling factor')
-  SpacePopup=Draw.Number("Space", 6, 10,90, 110,20, space, 0, 10000, "Space between projections")
+	SpacePopup=Draw.Number('Space', 6, 10,90, 110,20, space, 0, 10000, 'Space between projections')
 
-  guiret5=Draw.Toggle("cm", 7, 120,70, 40,20, boolmode, "set scale to 1 blender unit = 1 cm in xfig")
+	guiret5=Draw.Toggle('cm', 7, 120,70, 40,20, boolmode, 'set scale to 1 blender unit = 1 cm in xfig')
-  guiret6=Draw.Toggle("in", 8, 162,70, 40,20, not boolmode, "set scale to 1 blender unit = 1 in in xfig")
+	guiret6=Draw.Toggle('in', 8, 162,70, 40,20, not boolmode, 'set scale to 1 blender unit = 1 in in xfig')
-#  guiret7 = guiret6=Draw.Toggle("only visible", 9, 120,90, 82,20, hidden_flag, "hidden faces")
 
-
+	BGL.glRasterPos2i(72, 16)
-  BGL.glRasterPos2i(72, 16)
+	if toggle: toggle_state = 'down'
-  if toggle: toggle_state = "down"
+	else: toggle_state = 'up'
-  else: toggle_state = "up"
+	#Draw.Text('The toggle button is %s.' % toggle_state, 'small')
-  #Draw.Text("The toggle button is %s." % toggle_state, "small")
+	BGL.glRasterPos2i(10, 230)
-  BGL.glRasterPos2i(10, 230)
+	#Draw.Text('Type letters from a to z, ESC to leave.')
-  #Draw.Text("Type letters from a to z, ESC to leave.")
+	BGL.glRasterPos2i(20, 200)
-  BGL.glRasterPos2i(20, 200)
+	Draw.Text(mystring)
-  Draw.Text(mystring)
+	BGL.glColor3f(1,0.4,0.3)
-  BGL.glColor3f(1,0.4,0.3)
+	BGL.glRasterPos2i(340, 70)
-  BGL.glRasterPos2i(340, 70)
+	Draw.Text(mymsg, 'tiny')
-  Draw.Text(mymsg, "tiny")
 
 
 def event(evt, val):    # the function to handle input events
-  Draw.Redraw(1)
+	Draw.Redraw(1)
+
+import bpy
 
 def button_event(evt):  # the function to handle Draw Button events
 	global toggle, guiret5,scale, space, SpacePopup, boolmode, dimscale, guiscale
 	global hidden_flag, sel3files
 	if evt==1:
-	  toggle = 1 - toggle
+		toggle = 1 - toggle
-	  Draw.Redraw(1)
+		Draw.Redraw(1)
 	if evt==2:
-	  Draw.Exit()
+		Draw.Exit()
-	  return
+		return
 	if evt==3:
-	  sel3files = 1-sel3files
+		sel3files = 1-sel3files
-	  Draw.Redraw(1)	
+		Draw.Redraw(1)	
 	if evt==4:
-	  Blender.Window.FileSelector(fs_callback, "Export fig")
+		try:	ob = bpy.data.scenes.active.objects.active
-	  Draw.Exit()
+		except:	ob = None
-	  return 
+		if not ob or ob.type != 'Mesh':
+			BPyMessages.Error_NoMeshActive()
+			return
+		
+		Blender.Window.FileSelector(fs_callback, 'Export fig', Blender.sys.makename(ext='.fig'))
+		Draw.Exit()
+		return 
 	if evt==5:
-	  guiscale = ScalePopup.val
+		guiscale = ScalePopup.val
-	  scale=dimscale*guiscale
+		scale=dimscale*guiscale
-	  Draw.Redraw(1)
+		Draw.Redraw(1)
 	if evt==6:
-	  space =SpacePopup.val
+		space =SpacePopup.val
 	if evt==7: 
 		boolmode=1
 		dimscale=450 #converting to cm
@@ -429,13 +373,24 @@ def button_event(evt):  # the function to handle Draw Button events
 
 Draw.Register(gui, event, button_event)  # registering the 3 callbacks
 	
+import BPyMessages
 def fs_callback(filename):
-	if filename.find('.fig', -4) > 0: filename = filename[:-4]
+	if filename.lower().endswith('.fig'): filename = filename[:-4]
-	getmaxmin()
+	
+	try:	ob = bpy.data.scenes.active.objects.active
+	except:	ob = None
+	if not ob or ob.type != 'Mesh':
+		BPyMessages.Error_NoMeshActive()
+		return
+	
+	mesh = ob.getData(mesh=1)
+	getmaxmin(ob, mesh)
+	
 	if sel3files:
-		writexy(filename+"_XY.fig")
+		
-		writexz(filename+"_XZ.fig")
+		writexy(ob, filename + '_XY.fig')
-		writeyz(filename+"_YZ.fig")
+		writexz(ob, filename + '_XZ.fig')
-	writeall(filename+"_ALL.fig")
+		writeyz(ob, filename + '_YZ.fig')
+	writeall(ob, filename + '.fig')
 	print  scale
 	Draw.Exit()