DXF-export update: dxfLibrary.py v1.33 - 2009.06.16

- fix _point(): converts all coords to floats
 - fix LineType class: implement elements
 - added VPORT class, incl. defaults
 - fix Insert class

release/scripts/bpymodules/dxfLibrary.py

@@ -1,6 +1,6 @@
 #dxfLibrary.py : provides functions for generating DXF files
 # --------------------------------------------------------------------------
-__version__ = "v1.32 - 2009.06.06"
+__version__ = "v1.33 - 2009.06.16"
 __author__ = "Stani Michiels(Stani), Remigiusz Fiedler(migius)"
 __license__ = "GPL"
 __url__ = "http://wiki.blender.org/index.php/Scripts/Manual/Export/autodesk_dxf"
@@ -20,8 +20,14 @@ IDEAs:
 TODO:
 - add support for DXFr14 (needs extended file header)
 - add support for SPLINEs (possible first in DXFr14 version)
+- add user preset for floating point precision (3-16?)
 
 History
+v1.33 - 2009.06.16 by migius
+ - modif _point(): converts all coords to floats
+ - modif LineType class: implement elements
+ - added VPORT class, incl. defaults
+ - fix Insert class
 v1.32 - 2009.06.06 by migius
  - modif Style class: changed defaults to widthFactor=1.0, obliqueAngle=0.0
  - modif Text class: alignment parameter reactivated
@@ -88,7 +94,7 @@ _HEADER_POINTS=['insbase','extmin','extmax']
 def _point(x,index=0):
 	"""Convert tuple to a dxf point"""
 	#print 'deb: _point=', x #-------------
-	return '\n'.join([' %s\n%s'%((i+1)*10+index,x[i]) for i in range(len(x))])
+	return '\n'.join([' %s\n%s'%((i+1)*10+index,float(x[i])) for i in range(len(x))])
 
 def _points(plist):
 	"""Convert a list of tuples to dxf points"""
@@ -287,7 +293,7 @@ class Insert(_Entity):
 		self.rotation=rotation
 
 	def __str__(self):
-		result='  0\nINSERT\n  2\n%s\n%s\n%s\n'%\
+		result='  0\nINSERT\n  2\n%s\n%s%s\n'%\
 				(self.name,self._common(),_point(self.point))
 		if self.xscale!=None:result+=' 41\n%s\n'%self.xscale
 		if self.yscale!=None:result+=' 42\n%s\n'%self.yscale
@@ -535,15 +541,22 @@ class Layer(_Call):
 #-----------------------------------------------
 class LineType(_Call):
 	"""Custom linetype"""
-	def __init__(self,name='continuous',description='Solid line',elements=[],flag=64):
+	def __init__(self,name='CONTINUOUS',description='Solid line',elements=[0.0],flag=0):
-		# TODO: Implement lineType elements
 		self.name=name
 		self.description=description
 		self.elements=copy.copy(elements)
 		self.flag=flag
 	def __str__(self):
-		return '  0\nLTYPE\n  2\n%s\n 70\n%s\n  3\n%s\n 72\n65\n 73\n%s\n 40\n0.0\n'%\
+		result = '  0\nLTYPE\n  2\n%s\n 70\n%s\n  3\n%s\n 72\n65\n'%\
-			(self.name.upper(),self.flag,self.description,len(self.elements))
+			(self.name.upper(),self.flag,self.description)
+		if self.elements:
+			elements = ' 73\n%s\n' %(len(self.elements)-1)
+			elements += ' 40\n%s\n' %(self.elements[0])
+			for e in self.elements[1:]:
+				elements += ' 49\n%s\n' %e
+			result += elements
+		return result
+		 
 
 #-----------------------------------------------
 class Style(_Call):
@@ -566,27 +579,137 @@ class Style(_Call):
 				self.font.upper(),self.bigFont.upper())
 
 #-----------------------------------------------
-class View(_Call):
+class VPort(_Call):
-	def __init__(self,name,flag=0,width=1,height=1,center=(0.5,0.5),
+	def __init__(self,name,flag=0,
-				 direction=(0,0,1),target=(0,0,0),lens=50,
+				leftBottom=(0.0,0.0),
-				 frontClipping=0,backClipping=0,twist=0,mode=0):
+				rightTop=(1.0,1.0),
+				center=(0.5,0.5),
+				snap_base=(0.0,0.0),
+				snap_spacing=(0.1,0.1),
+				grid_spacing=(0.1,0.1),
+				direction=(0.0,0.0,1.0),
+				target=(0.0,0.0,0.0),
+				height=1.0,
+				ratio=1.0,
+				lens=50,
+				frontClipping=0,
+				backClipping=0,
+				snap_rotation=0,
+				twist=0,
+				mode=0,
+				circle_zoom=100,
+				fast_zoom=1,
+				ucsicon=1,
+				snap_on=0,
+				grid_on=0,
+				snap_style=0,
+				snap_isopair=0
+				):
 		self.name=name
 		self.flag=flag
-		self.width=width
+		self.leftBottom=leftBottom
-		self.height=height
+		self.rightTop=rightTop
+		self.center=center
+		self.snap_base=snap_base
+		self.snap_spacing=snap_spacing
+		self.grid_spacing=grid_spacing
+		self.direction=direction
+		self.target=target
+		self.height=float(height)
+		self.ratio=float(ratio)
+		self.lens=float(lens)
+		self.frontClipping=float(frontClipping)
+		self.backClipping=float(backClipping)
+		self.snap_rotation=float(snap_rotation)
+		self.twist=float(twist)
+		self.mode=mode
+		self.circle_zoom=circle_zoom
+		self.fast_zoom=fast_zoom
+		self.ucsicon=ucsicon
+		self.snap_on=snap_on
+		self.grid_on=grid_on
+		self.snap_style=snap_style
+		self.snap_isopair=snap_isopair
+	def __str__(self):
+		output = ['  0', 'VPORT',
+			'  2', self.name,
+			' 70', self.flag,
+			_point(self.leftBottom),
+			_point(self.rightTop,1),
+			_point(self.center,2), # View center point (in DCS)
+			_point(self.snap_base,3),
+			_point(self.snap_spacing,4),
+			_point(self.grid_spacing,5),
+			_point(self.direction,6), #view direction from target (in WCS)
+			_point(self.target,7),
+			' 40', self.height,
+			' 41', self.ratio,
+			' 42', self.lens,
+			' 43', self.frontClipping,
+			' 44', self.backClipping,
+			' 50', self.snap_rotation,
+			' 51', self.twist,
+			' 71', self.mode,
+			' 72', self.circle_zoom,
+			' 73', self.fast_zoom,
+			' 74', self.ucsicon,
+			' 75', self.snap_on,
+			' 76', self.grid_on,
+			' 77', self.snap_style,
+			' 78', self.snap_isopair
+			]
+
+		output_str = ''
+		for s in output:
+			output_str += '%s\n' %s
+		return output_str
+
+
+
+#-----------------------------------------------
+class View(_Call):
+	def __init__(self,name,flag=0,
+			width=1,
+			height=1,
+			center=(0.5,0.5),
+			direction=(0,0,1),
+			target=(0,0,0),
+			lens=50,
+			frontClipping=0,
+			backClipping=0,
+			twist=0,mode=0
+			):
+		self.name=name
+		self.flag=flag
+		self.width=float(width)
+		self.height=float(height)
 		self.center=center
 		self.direction=direction
 		self.target=target
-		self.lens=lens
+		self.lens=float(lens)
-		self.frontClipping=frontClipping
+		self.frontClipping=float(frontClipping)
-		self.backClipping=backClipping
+		self.backClipping=float(backClipping)
-		self.twist=twist
+		self.twist=float(twist)
 		self.mode=mode
 	def __str__(self):
-		return '  0\nVIEW\n  2\n%s\n 70\n%s\n 40\n%s\n%s\n 41\n%s\n%s\n%s\n 42\n%s\n 43\n%s\n 44\n%s\n 50\n%s\n 71\n%s\n'%\
+		output = ['  0', 'VIEW',
-			   (self.name,self.flag,self.height,_point(self.center),self.width,
+			'  2', self.name,
-				_point(self.direction,1),_point(self.target,2),self.lens,
+			' 70', self.flag,
-				self.frontClipping,self.backClipping,self.twist,self.mode)
+			' 40', self.height,
+			_point(self.center),
+			' 41', self.width,
+			_point(self.direction,1),
+			_point(self.target,2),
+			' 42', self.lens,
+			' 43', self.frontClipping,
+			' 44', self.backClipping,
+			' 50', self.twist,
+			' 71', self.mode
+			]
+		output_str = ''
+		for s in output:
+			output_str += '%s\n' %s
+		return output_str
 
 #-----------------------------------------------
 def ViewByWindow(name,leftBottom=(0,0),rightTop=(1,1),**options):
@@ -601,7 +724,7 @@ class Drawing(_Collection):
 	"""Dxf drawing. Use append or any other list methods to add objects."""
 	def __init__(self,insbase=(0.0,0.0,0.0),extmin=(0.0,0.0,0.0),extmax=(0.0,0.0,0.0),
 				 layers=[Layer()],linetypes=[LineType()],styles=[Style()],blocks=[],
-				 views=[],entities=None,fileName='test.dxf'):
+				 views=[],vports=[],entities=None,fileName='test.dxf'):
 		# TODO: replace list with None,arial
 		if not entities:
 			entities=[]
@@ -613,6 +736,7 @@ class Drawing(_Collection):
 		self.linetypes=copy.copy(linetypes)
 		self.styles=copy.copy(styles)
 		self.views=copy.copy(views)
+		self.vports=copy.copy(vports)
 		self.blocks=copy.copy(blocks)
 		self.fileName=fileName
 		#private
@@ -656,7 +780,8 @@ class Drawing(_Collection):
 		header=[self.acadver]+[self._point(attr,getattr(self,attr))+'\n' for attr in _HEADER_POINTS]
 		header=self._section('header',header)
 
-		tables=[self._table('ltype',[str(x) for x in self.linetypes]),
+		tables=[self._table('vport',[str(x) for x in self.vports]),
+				self._table('ltype',[str(x) for x in self.linetypes]),
 				self._table('layer',[str(x) for x in self.layers]),
 				self._table('style',[str(x) for x in self.styles]),
 				self._table('view',[str(x) for x in self.views]),
@@ -740,17 +865,16 @@ def test():
 	d.append(Line(points=[(0,0,0),(1,1,1)]))
 	d.append(Mtext('Click on Ads\nmultiple lines with mtext',point=(1,1,1),color=5,rotation=90))
 	d.append(Text('Please donate!',point=(3,0,1)))
-	d.append(Rectangle(point=(2,2,2),width=4,height=3,color=6,solid=Solid(color=2)))
+	#d.append(Rectangle(point=(2,2,2),width=4,height=3,color=6,solid=Solid(color=2)))
 	d.append(Solid(points=[(4,4,0),(5,4,0),(7,8,0),(9,9,0)],color=3))
-	d.append(PolyLine(points=[(1,1,1),(2,1,1),(2,2,1),(1,2,1)],closed=1,color=1))
+	#d.append(PolyLine(points=[(1,1,1),(2,1,1),(2,2,1),(1,2,1)],flag=1,color=1))
 
 	#d.saveas('c:\\test.dxf')
 	d.saveas('test.dxf')
 
-
 #-----------------------------------------------------
 if __name__=='__main__':
 	if not copy:
 		Draw.PupMenu('Error%t|This script requires a full python install')
-	else: main()
+	else: test()