forked from bartvdbraak/blender
e70610ab1e
Export mesh data with modifiers and objects matrix applied. export not only mesh data but text, nurbs etc (thanks to BPYMesh getMeshFromObject) Small updates to ply import, dont set the TEX of a face (no pink faces anymore)
134 lines
3.8 KiB
Python
134 lines
3.8 KiB
Python
#!BPY
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"""
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Name: 'Stanford PLY (*.ply)...'
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Blender: 241
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Group: 'Export'
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Tooltip: 'Export active object to Stanford PLY format'
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"""
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import Blender
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import BPyMesh
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__author__ = "Bruce Merry"
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__version__ = "0.9"
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__bpydoc__ = """\
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This script exports Stanford PLY files from Blender. It supports per-vertex
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normals and per-face colours and texture coordinates.
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"""
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# Copyright (C) 2004, 2005: Bruce Merry, bmerry@cs.uct.ac.za
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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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 General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software Foundation,
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# Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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# Vector rounding se we can use as keys
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def rvec3d(v): return round(v.x, 6), round(v.y, 6), round(v.z, 6)
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def rvec2d(v): return round(v.x, 6), round(v.y, 6)
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def rcol(c): return c.r, c.g, c.b
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def file_callback(filename):
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if not filename.lower().endswith('.ply'):
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filename += '.ply'
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scn= Blender.Scene.GetCurrent()
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object= scn.getActiveObject()
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if not object:
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Blender.Draw.PupMenu('Error%t|Select 1 active object')
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return
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file = open(filename, 'wb')
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mesh = BPyMesh.getMeshFromObject(object, None, True, False, scn)
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if not mesh:
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Blender.Draw.PupMenu('Error%t|Could not get mesh data from active object')
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return
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mesh.transform(object.matrixWorld)
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have_uv = mesh.faceUV
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verts = [] # list of dictionaries
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vdict = {} # (index, normal, uv) -> new index
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for i, f in enumerate(mesh.faces):
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f_col= f.col
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f_uv= f.uv
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for j, v in enumerate(f.v):
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index = v.index
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if have_uv:
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vdata = v.co, v.no
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uv= f_uv[j]
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col= f_col[j]
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vdata = v.co, v.no, uv, col
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key = index, rvec3d(v.no), rcol(col), rvec2d(uv)
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else:
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vdata = v.co, v.no
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key = index, rvec3d(v.no)
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if not vdict.has_key(key):
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vdict[key] = len(verts);
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verts.append(vdata)
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file.write('ply\n')
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file.write('format ascii 1.0\n')
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file.write('Created by Blender3D %s - www.blender.org, source file: %s\n' % (Blender.Get('version'), Blender.Get('filename').split('/')[-1].split('\\')[-1] ))
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file.write('element vertex %d\n' % len(verts))
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file.write('property float32 x\n')
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file.write('property float32 y\n')
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file.write('property float32 z\n')
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file.write('property float32 nx\n')
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file.write('property float32 ny\n')
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file.write('property float32 nz\n')
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if have_uv:
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file.write('property float32 s\n')
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file.write('property float32 t\n')
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file.write('property uint8 red\n')
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file.write('property uint8 green\n')
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file.write('property uint8 blue\n')
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file.write('element face %d\n' % len(mesh.faces))
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file.write('property list uint8 int32 vertex_indices\n')
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file.write('end_header\n')
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for i, v in enumerate(verts):
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file.write('%.6f %.6f %.6f ' % tuple(v[0])) # co
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file.write('%.6f %.6f %.6f ' % tuple(v[1])) # no
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if have_uv:
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file.write('%.6f %.6f %u %u %u' % (v[2].x, v[2].y, v[3].r, v[3].g, v[3].b)) # uv/col
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file.write('\n')
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for (i, f) in enumerate(mesh.faces):
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file.write('%d ' % len(f))
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f_col= f.col
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f_uv= f.uv
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for j, v in enumerate(f.v):
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index = v.index
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if have_uv:
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uv= f_uv[j]
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col= f_col[j]
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key = index, rvec3d(v.no), rcol(col), rvec2d(uv)
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else:
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key = index, rvec3d(v.no)
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file.write('%d ' % vdict[key])
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file.write('\n')
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file.close()
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Blender.Window.FileSelector(file_callback, 'PLY Export', Blender.sys.makename(ext='.ply'))
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