[Bf-blender-cvs] SVN commit: /data/svn/bf-blender [27080] trunk/blender/release/scripts/ extensions: [#21237] RAW triangle file importer
Campbell Barton
ideasman42 at gmail.com
Mon Feb 22 14:21:10 CET 2010
Revision: 27080
http://projects.blender.org/plugins/scmsvn/viewcvs.php?view=rev&root=bf-blender&revision=27080
Author: campbellbarton
Date: 2010-02-22 14:21:09 +0100 (Mon, 22 Feb 2010)
Log Message:
-----------
[#21237] RAW triangle file importer
ported by Aurel W (aurel)
made adjustments to have this as a package in the extensions directory since this format isnt commonly used for interchanging data but still useful at times.
Added Paths:
-----------
trunk/blender/release/scripts/extensions/io_mesh_raw/
trunk/blender/release/scripts/extensions/io_mesh_raw/__init__.py
trunk/blender/release/scripts/extensions/io_mesh_raw/export_raw.py
trunk/blender/release/scripts/extensions/io_mesh_raw/import_raw.py
Added: trunk/blender/release/scripts/extensions/io_mesh_raw/__init__.py
===================================================================
--- trunk/blender/release/scripts/extensions/io_mesh_raw/__init__.py (rev 0)
+++ trunk/blender/release/scripts/extensions/io_mesh_raw/__init__.py 2010-02-22 13:21:09 UTC (rev 27080)
@@ -0,0 +1,51 @@
+# ##### BEGIN GPL LICENSE BLOCK #####
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ##### END GPL LICENSE BLOCK #####
+
+# blender 1 line description
+"Raw Mesh IO (File > Import/Export > Raw Faces (.raw))"
+
+import bpy
+
+
+def menu_import(self, context):
+ from io_mesh_raw import import_raw
+ self.layout.operator(import_raw.RawImporter.bl_idname, text="Raw Faces (.raw)").path = "*.raw"
+
+
+def menu_export(self, context):
+ from io_mesh_raw import export_raw
+ default_path = bpy.data.filename.replace(".blend", ".raw")
+ self.layout.operator(export_raw.RawExporter.bl_idname, text="Raw Faces (.raw)").path = default_path
+
+
+def register():
+ from io_mesh_raw import import_raw, export_raw
+ bpy.types.register(import_raw.RawImporter)
+ bpy.types.register(export_raw.RawExporter)
+ bpy.types.INFO_MT_file_import.append(menu_import)
+ bpy.types.INFO_MT_file_export.append(menu_export)
+
+def unregister():
+ from io_mesh_raw import import_raw, export_raw
+ bpy.types.unregister(import_raw.RawImporter)
+ bpy.types.unregister(export_raw.RawExporter)
+ bpy.types.INFO_MT_file_import.remove(menu_import)
+ bpy.types.INFO_MT_file_export.remove(menu_export)
+
+if __name__ == "__main__":
+ register()
\ No newline at end of file
Added: trunk/blender/release/scripts/extensions/io_mesh_raw/export_raw.py
===================================================================
--- trunk/blender/release/scripts/extensions/io_mesh_raw/export_raw.py (rev 0)
+++ trunk/blender/release/scripts/extensions/io_mesh_raw/export_raw.py 2010-02-22 13:21:09 UTC (rev 27080)
@@ -0,0 +1,114 @@
+# ##### BEGIN GPL LICENSE BLOCK #####
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ##### END GPL LICENSE BLOCK #####
+
+__author__ = ["Aurel Wildfellner"]
+__version__ = '0.2'
+__bpydoc__ = """\
+This script exports a Mesh to a RAW triangle format file.
+
+The raw triangle format is very simple; it has no verts or faces lists.
+It's just a simple ascii text file with the vertices of each triangle
+listed on each line. In addition, also quads can be exported as a line
+of 12 values (this was the default before blender 2.5). Now default
+settings will triangulate the mesh.
+
+Usage:<br>
+ Execute this script from the "File->Export" menu. You can select
+whether modifiers should be applied and if the mesh is triangulated.
+
+"""
+
+import bpy
+
+
+def faceToTriangles(face):
+ triangles = []
+ if (len(face) == 4): #quad
+ triangles.append( [ face[0], face[1], face[2] ] )
+ triangles.append( [ face[2], face[3], face[0] ] )
+ else:
+ triangles.append(face)
+
+ return triangles
+
+
+def faceValues(face, mesh, matrix):
+ fv = []
+ for verti in face.verts_raw:
+ fv.append(matrix * mesh.verts[verti].co)
+ return fv
+
+
+def faceToLine(face):
+ line = ""
+ for v in face:
+ line += str(v[0]) + " " + str(v[1]) + " " + str(v[2]) + " "
+ return line[:-1] + "\n"
+
+
+def export_raw(path, applyMods, triangulate):
+ faces = []
+ for obj in bpy.context.selected_objects:
+ if obj.type == 'MESH':
+ matrix = obj.matrix
+
+ if (applyMods):
+ me = obj.create_mesh(True, "PREVIEW")
+ else:
+ me = obj.data
+
+ for face in me.faces:
+ fv = faceValues(face, me, matrix)
+ if triangulate:
+ faces.extend(faceToTriangles(fv))
+ else:
+ faces.append(fv)
+
+ # write the faces to a file
+ file = open(path, "w")
+ for face in faces:
+ file.write(faceToLine(face))
+ file.close()
+
+
+from bpy.props import *
+
+
+class RawExporter(bpy.types.Operator):
+ '''Save Raw triangle mesh data'''
+ bl_idname = "export_mesh.raw"
+ bl_label = "Export RAW"
+
+ path = StringProperty(name="File Path", description="File path used for exporting the RAW file", maxlen= 1024, default= "")
+ filename = StringProperty(name="File Name", description="Name of the file.")
+ directory = StringProperty(name="Directory", description="Directory of the file.")
+ check_existing = BoolProperty(name="Check Existing", description="Check and warn on overwriting existing files", default=True, options={'HIDDEN'})
+
+ apply_modifiers = BoolProperty(name="Apply Modifiers", description="Use transformed mesh data from each object", default=True)
+ triangulate = BoolProperty(name="Triangulate", description="Triangulate quads.", default=True)
+
+ def execute(self, context):
+ export_raw(self.properties.path, self.properties.apply_modifiers, self.properties.triangulate)
+ return {'FINISHED'}
+
+ def invoke(self, context, event):
+ wm = context.manager
+ wm.add_fileselect(self)
+ return {'RUNNING_MODAL'}
+
+# package manages registering
Added: trunk/blender/release/scripts/extensions/io_mesh_raw/import_raw.py
===================================================================
--- trunk/blender/release/scripts/extensions/io_mesh_raw/import_raw.py (rev 0)
+++ trunk/blender/release/scripts/extensions/io_mesh_raw/import_raw.py 2010-02-22 13:21:09 UTC (rev 27080)
@@ -0,0 +1,142 @@
+# ##### BEGIN GPL LICENSE BLOCK #####
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ##### END GPL LICENSE BLOCK #####
+
+__author__ = ["Anthony D'Agostino (Scorpius)", "Aurel Wildfellner"]
+__version__ = '0.2'
+__bpydoc__ = """\
+This script imports Raw Triangle File format files to Blender.
+
+The raw triangle format is very simple; it has no verts or faces lists.
+It's just a simple ascii text file with the vertices of each triangle
+listed on each line. In addition, a line with 12 values will be
+imported as a quad. This may be in conflict with some other
+applications, which use a raw format, but this is how it was
+implemented back in blender 2.42.
+
+Usage:<br>
+ Execute this script from the "File->Import" menu and choose a Raw file to
+open.
+
+Notes:<br>
+ Generates the standard verts and faces lists, but without duplicate
+verts. Only *exact* duplicates are removed, there is no way to specify a
+tolerance.
+"""
+
+
+
+import bpy
+
+# move those to a utility modul
+from import_scene_obj import unpack_face_list, unpack_list # TODO, make generic
+
+
+def readMesh(filename, objName):
+ file = open(filename, "rb")
+
+ def line_to_face(line):
+ # Each triplet is an xyz float
+ line_split = []
+ try:
+ line_split = list(map(float, line.split()))
+ except:
+ return None
+
+ if len(line_split) == 9: # Tri
+ f1, f2, f3, f4, f5, f6, f7, f8, f9 = line_split
+ return [(f1, f2, f3), (f4, f5, f6), (f7, f8, f9)]
+ elif len(line_split) == 12: # Quad
+ f1, f2, f3, f4, f5, f6, f7, f8, f9, A, B, C = line_split
+ return [(f1, f2, f3), (f4, f5, f6), (f7, f8, f9), (A, B, C)]
+ else:
+ return None
+
+
+ faces = []
+ for line in file.readlines():
+ face = line_to_face(line)
+ if face:
+ faces.append(face)
+
+ file.close()
+
+ # Generate verts and faces lists, without duplicates
+ verts = []
+ coords = {}
+ index = 0
+
+ for f in faces:
+ for i, v in enumerate(f):
+ try:
+ f[i] = coords[v]
+ except:
+ f[i] = coords[v] = index
+ index += 1
+ verts.append(v)
+
+ mesh = bpy.data.meshes.new(objName)
+ mesh.add_geometry(int(len(verts)), 0, int(len(faces)))
+ mesh.verts.foreach_set("co", unpack_list(verts))
+ mesh.faces.foreach_set("verts_raw", unpack_face_list(faces))
+ mesh.faces.foreach_set("smooth", [False] * len(mesh.faces))
+
+ return mesh
+
+
+def addMeshObj(mesh, objName):
+ scn = bpy.context.scene
+
+ for o in scn.objects:
+ o.selected = False
+
+ mesh.update()
+ nobj = bpy.data.objects.new(objName, mesh)
+ scn.objects.link(nobj)
+ nobj.selected = True
+
@@ Diff output truncated at 10240 characters. @@
More information about the Bf-blender-cvs
mailing list