# ***** 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 #**** # """Translate to POV the control point compounded geometries like polygon meshes or curve based shapes.""" # -------- # -- Faster mesh export ...one day # import numpy as np # -------- import bpy from . import texturing # for how textures influence shaders from .scenography import export_smoke def matrix_as_pov_string(matrix): """Translate some transform matrix from Blender UI to POV syntax and return that string """ return "matrix <" \ "%.6f, %.6f, %.6f, " \ "%.6f, %.6f, %.6f, " \ "%.6f, %.6f, %.6f, " \ "%.6f, %.6f, %.6f" \ ">\n" % ( matrix[0][0], matrix[1][0], matrix[2][0], matrix[0][1], matrix[1][1], matrix[2][1], matrix[0][2], matrix[1][2], matrix[2][2], matrix[0][3], matrix[1][3], matrix[2][3], ) def write_object_csg_inside_vector(ob, file): """Write inside vector for use by pov CSG, only once per object using boolean""" has_csg_inside_vector = False for modif in ob.modifiers: if ( not has_csg_inside_vector and modif.type == 'BOOLEAN' and ob.pov.boolean_mod == "POV" ): file.write( "\tinside_vector <%.6g, %.6g, %.6g>\n" % ( ob.pov.inside_vector[0], ob.pov.inside_vector[1], ob.pov.inside_vector[2], ) ) has_csg_inside_vector = True # objectNames = {} DEF_OBJ_NAME = "Default" def export_meshes( preview_dir, file, scene, sel, csg, string_strip_hyphen, safety, write_object_modifiers, material_names_dictionary, write_object_material_interior, exported_lights_count, unpacked_images, image_format, img_map, img_map_transforms, path_image, smoke_path, global_matrix, write_matrix, using_uberpov, comments, linebreaksinlists, tab, tab_level, tab_write, info_callback, ): """write all meshes as POV mesh2{} syntax to exported file """ # # some numpy functions to speed up mesh export NOT IN USE YET # # Current 2.93 beta numpy linking has troubles so definitions commented off for now # # TODO: also write a numpy function to read matrices at object level? # # feed below with mesh object.data, but only after doing data.calc_loop_triangles() # def read_verts_co(self, mesh): # #'float64' would be a slower 64-bit floating-point number numpy datatype # # using 'float32' vert coordinates for now until any issue is reported # mverts_co = np.zeros((len(mesh.vertices) * 3), dtype=np.float32) # mesh.vertices.foreach_get("co", mverts_co) # return np.reshape(mverts_co, (len(mesh.vertices), 3)) # def read_verts_idx(self, mesh): # mverts_idx = np.zeros((len(mesh.vertices)), dtype=np.int64) # mesh.vertices.foreach_get("index", mverts_idx) # return np.reshape(mverts_idx, (len(mesh.vertices), 1)) # def read_verts_norms(self, mesh): # #'float64' would be a slower 64-bit floating-point number numpy datatype # # using less accurate 'float16' normals for now until any issue is reported # mverts_no = np.zeros((len(mesh.vertices) * 3), dtype=np.float16) # mesh.vertices.foreach_get("normal", mverts_no) # return np.reshape(mverts_no, (len(mesh.vertices), 3)) # def read_faces_idx(self, mesh): # mfaces_idx = np.zeros((len(mesh.loop_triangles)), dtype=np.int64) # mesh.loop_triangles.foreach_get("index", mfaces_idx) # return np.reshape(mfaces_idx, (len(mesh.loop_triangles), 1)) # def read_faces_verts_indices(self, mesh): # mfaces_verts_idx = np.zeros((len(mesh.loop_triangles) * 3), dtype=np.int64) # mesh.loop_triangles.foreach_get("vertices", mfaces_verts_idx) # return np.reshape(mfaces_verts_idx, (len(mesh.loop_triangles), 3)) # # Why is below different from vertex indices? # def read_faces_verts_loops(self, mesh): # mfaces_verts_loops = np.zeros((len(mesh.loop_triangles) * 3), dtype=np.int64) # mesh.loop_triangles.foreach_get("loops", mfaces_verts_loops) # return np.reshape(mfaces_verts_loops, (len(mesh.loop_triangles), 3)) # def read_faces_norms(self, mesh): # #'float64' would be a slower 64-bit floating-point number numpy datatype # # using less accurate 'float16' normals for now until any issue is reported # mfaces_no = np.zeros((len(mesh.loop_triangles) * 3), dtype=np.float16) # mesh.loop_triangles.foreach_get("normal", mfaces_no) # return np.reshape(mfaces_no, (len(mesh.loop_triangles), 3)) # def read_faces_smooth(self, mesh): # mfaces_smth = np.zeros((len(mesh.loop_triangles) * 1), dtype=np.bool) # mesh.loop_triangles.foreach_get("use_smooth", mfaces_smth) # return np.reshape(mfaces_smth, (len(mesh.loop_triangles), 1)) # def read_faces_material_indices(self, mesh): # mfaces_mats_idx = np.zeros((len(mesh.loop_triangles)), dtype=np.int16) # mesh.loop_triangles.foreach_get("material_index", mfaces_mats_idx) # return np.reshape(mfaces_mats_idx, (len(mesh.loop_triangles), 1)) # obmatslist = [] # def hasUniqueMaterial(): # # Grab materials attached to object instances ... # if hasattr(obj, 'material_slots'): # for ms in obj.material_slots: # if ms.material is not None and ms.link == 'OBJECT': # if ms.material in obmatslist: # return False # else: # obmatslist.append(ms.material) # return True # def hasObjectMaterial(obj): # # Grab materials attached to object instances ... # if hasattr(obj, 'material_slots'): # for ms in obj.material_slots: # if ms.material is not None and ms.link == 'OBJECT': # # If there is at least one material slot linked to the object # # and not the data (mesh), always create a new, "private" data instance. # return True # return False # For objects using local material(s) only! # This is a mapping between a tuple (dataname, material_names_dictionary, ...), # and the POV dataname. # As only objects using: # * The same data. # * EXACTLY the same materials, in EXACTLY the same sockets. # ... can share a same instance in POV export. obmats2data = {} def check_object_materials(obj, obj_name, dataname): """Compare other objects exported material slots to avoid rewriting duplicates""" if hasattr(obj, 'material_slots'): has_local_mats = False key = [dataname] for ms in obj.material_slots: if ms.material is not None: key.append(ms.material.name) if ms.link == 'OBJECT' and not has_local_mats: has_local_mats = True else: # Even if the slot is empty, it is important to grab it... key.append("") if has_local_mats: # If this object uses local material(s), lets find if another object # using the same data and exactly the same list of materials # (in the same slots) has already been processed... # Note that here also, we use object name as new, unique dataname for Pov. key = tuple(key) # Lists are not hashable... if key not in obmats2data: obmats2data[key] = obj_name return obmats2data[key] return None data_ref = {} def store(scene, ob, name, dataname, matrix): # The Object needs to be written at least once but if its data is # already in data_ref this has already been done. # This func returns the "povray" name of the data, or None # if no writing is needed. if ob.is_modified(scene, 'RENDER'): # Data modified. # Create unique entry in data_ref by using object name # (always unique in Blender) as data name. data_ref[name] = [(name, matrix_as_pov_string(matrix))] return name # Here, we replace dataname by the value returned by check_object_materials, only if # it is not evaluated to False (i.e. only if the object uses some local material(s)). dataname = check_object_materials(ob, name, dataname) or dataname if dataname in data_ref: # Data already known, just add the object instance. data_ref[dataname].append((name, matrix_as_pov_string(matrix))) # No need to write data return None # Else (no return yet): Data not yet processed, create a new entry in data_ref. data_ref[dataname] = [(name, matrix_as_pov_string(matrix))] return dataname ob_num = 0 depsgraph = bpy.context.evaluated_depsgraph_get() for ob in sel: # Using depsgraph ob = bpy.data.objects[ob.name].evaluated_get(depsgraph) # subtract original from the count of their instances as were not counted before 2.8 if not (ob.is_instancer and ob.original != ob): ob_num += 1 # XXX I moved all those checks here, as there is no need to compute names # for object we won't export here! if ob.type in { 'LIGHT', 'CAMERA', # 'EMPTY', #empties can bear dupligroups 'META', 'ARMATURE', 'LATTICE', }: continue fluid_found = False for mod in ob.modifiers: if mod and hasattr(mod, 'fluid_type'): fluid_found = True if mod.fluid_type == 'DOMAIN': if mod.domain_settings.domain_type == 'GAS': export_smoke( file, ob.name, smoke_path, comments, global_matrix, write_matrix ) break # don't render domain mesh, skip to next object. if mod.fluid_type == 'FLOW': # The domain contains all the smoke. so that's it. if mod.flow_settings.flow_type == 'SMOKE': # Check how liquids behave break # don't render smoke flow emitter mesh either, skip to next object. if not fluid_found: # No fluid found if hasattr(ob, 'particle_systems'): # Importing function Export Hair # here rather than at the top recommended for addons startup footprint from .object_particles import export_hair for p_sys in ob.particle_systems: for particle_mod in [ m for m in ob.modifiers if (m is not None) and (m.type == 'PARTICLE_SYSTEM') ]: if ( (p_sys.settings.render_type == 'PATH') and particle_mod.show_render and (p_sys.name == particle_mod.particle_system.name) ): export_hair(file, ob, particle_mod, p_sys, global_matrix, write_matrix) if not ob.show_instancer_for_render: continue # don't render emitter mesh, skip to next object. # ------------------------------------------------ # Generating a name for object just like materials to be able to use it # (baking for now or anything else). # XXX I don't understand that if we are here, sel if a non-empty iterable, # so this condition is always True, IMO -- mont29 # EMPTY type objects treated a little further below -- MR # modified elif to if below as non EMPTY objects can also be instancers if ob.is_instancer: if ob.instance_type == 'COLLECTION': name_orig = "OB" + ob.name dataname_orig = "DATA" + ob.instance_collection.name else: # hoping only dupligroups have several source datablocks # ob_dupli_list_create(scene) #deprecated in 2.8 for eachduplicate in depsgraph.object_instances: # Real dupli instance filtered because # original included in list since 2.8 if eachduplicate.is_instance: dataname_orig = "DATA" + eachduplicate.object.name # obj.dupli_list_clear() #just don't store any reference to instance since 2.8 elif ob.data: # not an EMPTY type object name_orig = "OB" + ob.name dataname_orig = "DATA" + ob.data.name elif ob.type == 'EMPTY': name_orig = "OB" + ob.name dataname_orig = "DATA" + ob.name else: name_orig = DEF_OBJ_NAME dataname_orig = DEF_OBJ_NAME name = string_strip_hyphen(bpy.path.clean_name(name_orig)) dataname = string_strip_hyphen(bpy.path.clean_name(dataname_orig)) # for slot in obj.material_slots: # if slot.material is not None and slot.link == 'OBJECT': # obmaterial = slot.material # ------------------------------------------------ if info_callback: info_callback("Object %2.d of %2.d (%s)" % (ob_num, len(sel), ob.name)) me = ob.data matrix = global_matrix @ ob.matrix_world povdataname = store(scene, ob, name, dataname, matrix) if povdataname is None: print("This is an instance of " + name) continue print("Writing Down First Occurrence of " + name) # ------------ Mesh Primitives ------------ # # special export_curves() function takes care of writing # lathe, sphere_sweep, birail, and loft except with modifiers # converted to mesh if not ob.is_modified(scene, 'RENDER'): if ob.type == 'CURVE' and ( ob.pov.curveshape in {'lathe', 'sphere_sweep', 'loft'} ): continue # Don't render proxy mesh, skip to next object # pov_mat_name = "Default_texture" # Not used...remove? # Implicit else-if (as not skipped by previous "continue") # which itself has no "continue" (to combine custom pov code)?, so Keep this last. # For originals, but not their instances, attempt to export mesh: if not ob.is_instancer: # except duplis which should be instances groups for now but all duplis later if ob.type == 'EMPTY': # XXX Should we only write this once and instantiate the same for every # empty in the final matrix writing, or even no matrix and just a comment # with empty object transforms ? tab_write("\n//dummy sphere to represent Empty location\n") tab_write( "#declare %s =sphere {<0, 0, 0>,0 pigment{rgbt 1} no_image no_reflection no_radiosity photons{pass_through collect off} hollow}\n" % povdataname ) continue # Don't render empty object but this is later addition, watch it. ob_eval = ob # not sure this is needed in case to_mesh_clear could damage obj ? try: me = ob_eval.to_mesh() # Here identify the exception for mesh object with no data: Runtime-Error ? # So we can write something for the dataname or maybe treated "if not me" below except BaseException as e: print(e.__doc__) print('An exception occurred: {}'.format(e)) # also happens when curves cant be made into meshes because of no-data continue importance = ob.pov.importance_value if me: me.calc_loop_triangles() me_materials = me.materials me_faces = me.loop_triangles[:] # --- numpytest # me_looptris = me.loops # Below otypes = ['int32'] is a 32-bit signed integer number numpy datatype # get_v_index = np.vectorize(lambda l: l.vertex_index, otypes = ['int32'], cache = True) # faces_verts_idx = get_v_index(me_looptris) # if len(me_faces)==0: # tab_write("\n//dummy sphere to represent empty mesh location\n") # tab_write("#declare %s =sphere {<0, 0, 0>,0 pigment{rgbt 1} no_image no_reflection no_radiosity photons{pass_through collect off} hollow}\n" % povdataname) if not me or not me_faces: tab_write("\n//dummy sphere to represent empty mesh location\n") tab_write( "#declare %s =sphere {<0, 0, 0>,0 pigment{rgbt 1} no_image no_reflection no_radiosity photons{pass_through collect off} hollow}\n" % povdataname ) continue uv_layers = me.uv_layers if len(uv_layers) > 0: if me.uv_layers.active and uv_layers.active.data: uv_layer = uv_layers.active.data else: uv_layer = None try: # vcol_layer = me.vertex_colors.active.data vcol_layer = me.vertex_colors.active.data except AttributeError: vcol_layer = None faces_verts = [f.vertices[:] for f in me_faces] faces_normals = [f.normal[:] for f in me_faces] verts_normals = [v.normal[:] for v in me.vertices] # Use named declaration to allow reference e.g. for baking. MR file.write("\n") tab_write("#declare %s =\n" % povdataname) tab_write("mesh2 {\n") tab_write("vertex_vectors {\n") tab_write("%d" % len(me.vertices)) # vert count tab_str = tab * tab_level for v in me.vertices: if linebreaksinlists: file.write(",\n") file.write(tab_str + "<%.6f, %.6f, %.6f>" % v.co[:]) # vert count else: file.write(", ") file.write("<%.6f, %.6f, %.6f>" % v.co[:]) # vert count # tab_write("<%.6f, %.6f, %.6f>" % v.co[:]) # vert count file.write("\n") tab_write("}\n") # Build unique Normal list uniqueNormals = {} for fi, f in enumerate(me_faces): fv = faces_verts[fi] # [-1] is a dummy index, use a list so we can modify in place if f.use_smooth: # Use vertex normals for v in fv: key = verts_normals[v] uniqueNormals[key] = [-1] else: # Use face normal key = faces_normals[fi] uniqueNormals[key] = [-1] tab_write("normal_vectors {\n") tab_write("%d" % len(uniqueNormals)) # vert count idx = 0 tab_str = tab * tab_level for no, index in uniqueNormals.items(): if linebreaksinlists: file.write(",\n") file.write(tab_str + "<%.6f, %.6f, %.6f>" % no) # vert count else: file.write(", ") file.write("<%.6f, %.6f, %.6f>" % no) # vert count index[0] = idx idx += 1 file.write("\n") tab_write("}\n") # Vertex colors vertCols = {} # Use for material colors also. if uv_layer: # Generate unique UV's uniqueUVs = {} # n = 0 for f in me_faces: # me.faces in 2.7 uvs = [uv_layer[loop_index].uv[:] for loop_index in f.loops] for uv in uvs: uniqueUVs[uv[:]] = [-1] tab_write("uv_vectors {\n") # print unique_uvs tab_write("%d" % len(uniqueUVs)) # vert count idx = 0 tab_str = tab * tab_level for uv, index in uniqueUVs.items(): if linebreaksinlists: file.write(",\n") file.write(tab_str + "<%.6f, %.6f>" % uv) else: file.write(", ") file.write("<%.6f, %.6f>" % uv) index[0] = idx idx += 1 ''' else: # Just add 1 dummy vector, no real UV's tab_write('1') # vert count file.write(',\n\t\t<0.0, 0.0>') ''' file.write("\n") tab_write("}\n") if me.vertex_colors: # Write down vertex colors as a texture for each vertex tab_write("texture_list {\n") tab_write("%d\n" % (len(me_faces) * 3)) # assumes we have only triangles VcolIdx = 0 if comments: file.write( "\n //Vertex colors: one simple pigment texture per vertex\n" ) for fi, f in enumerate(me_faces): # annoying, index may be invalid material_index = f.material_index try: material = me_materials[material_index] except BaseException as e: print(e.__doc__) print('An exception occurred: {}'.format(e)) material = None if ( material ): # and material.use_vertex_color_paint: #Always use vertex color when there is some for now cols = [vcol_layer[loop_index].color[:] for loop_index in f.loops] for col in cols: key = ( col[0], col[1], col[2], material_index, ) # Material index! VcolIdx += 1 vertCols[key] = [VcolIdx] if linebreaksinlists: tab_write( "texture {pigment{ color srgb <%6f,%6f,%6f> }}\n" % (col[0], col[1], col[2]) ) else: tab_write( "texture {pigment{ color srgb <%6f,%6f,%6f> }}" % (col[0], col[1], col[2]) ) tab_str = tab * tab_level else: if material: # Multiply diffuse with SSS Color if material.pov_subsurface_scattering.use: diffuse_color = [ i * j for i, j in zip( material.pov_subsurface_scattering.color[:], material.diffuse_color[:], ) ] key = ( diffuse_color[0], diffuse_color[1], diffuse_color[2], material_index, ) vertCols[key] = [-1] else: diffuse_color = material.diffuse_color[:] key = ( diffuse_color[0], diffuse_color[1], diffuse_color[2], material_index, ) vertCols[key] = [-1] tab_write("\n}\n") # Face indices tab_write("\nface_indices {\n") tab_write("%d" % (len(me_faces))) # faces count tab_str = tab * tab_level for fi, f in enumerate(me_faces): fv = faces_verts[fi] material_index = f.material_index if vcol_layer: cols = [vcol_layer[loop_index].color[:] for loop_index in f.loops] if ( not me_materials or me_materials[material_index] is None ): # No materials if linebreaksinlists: file.write(",\n") # vert count file.write(tab_str + "<%d,%d,%d>" % (fv[0], fv[1], fv[2])) else: file.write(", ") file.write("<%d,%d,%d>" % (fv[0], fv[1], fv[2])) # vert count else: material = me_materials[material_index] if me.vertex_colors: # and material.use_vertex_color_paint: # Color per vertex - vertex color col1 = cols[0] col2 = cols[1] col3 = cols[2] ci1 = vertCols[col1[0], col1[1], col1[2], material_index][0] ci2 = vertCols[col2[0], col2[1], col2[2], material_index][0] ci3 = vertCols[col3[0], col3[1], col3[2], material_index][0] else: # Color per material - flat material color if material.pov_subsurface_scattering.use: diffuse_color = [ i * j for i, j in zip( material.pov_subsurface_scattering.color[:], material.diffuse_color[:], ) ] else: diffuse_color = material.diffuse_color[:] ci1 = ci2 = ci3 = vertCols[ diffuse_color[0], diffuse_color[1], diffuse_color[2], f.material_index, ][0] # ci are zero based index so we'll subtract 1 from them if linebreaksinlists: file.write(",\n") file.write( tab_str + "<%d,%d,%d>, %d,%d,%d" % (fv[0], fv[1], fv[2], ci1 - 1, ci2 - 1, ci3 - 1) ) # vert count else: file.write(", ") file.write( "<%d,%d,%d>, %d,%d,%d" % (fv[0], fv[1], fv[2], ci1 - 1, ci2 - 1, ci3 - 1) ) # vert count file.write("\n") tab_write("}\n") # normal_indices indices tab_write("normal_indices {\n") tab_write("%d" % (len(me_faces))) # faces count tab_str = tab * tab_level for fi, fv in enumerate(faces_verts): if me_faces[fi].use_smooth: if linebreaksinlists: file.write(",\n") file.write( tab_str + "<%d,%d,%d>" % ( uniqueNormals[verts_normals[fv[0]]][0], uniqueNormals[verts_normals[fv[1]]][0], uniqueNormals[verts_normals[fv[2]]][0], ) ) # vert count else: file.write(", ") file.write( "<%d,%d,%d>" % ( uniqueNormals[verts_normals[fv[0]]][0], uniqueNormals[verts_normals[fv[1]]][0], uniqueNormals[verts_normals[fv[2]]][0], ) ) # vert count else: idx = uniqueNormals[faces_normals[fi]][0] if linebreaksinlists: file.write(",\n") file.write( tab_str + "<%d,%d,%d>" % (idx, idx, idx) ) # vert count else: file.write(", ") file.write("<%d,%d,%d>" % (idx, idx, idx)) # vert count file.write("\n") tab_write("}\n") if uv_layer: tab_write("uv_indices {\n") tab_write("%d" % (len(me_faces))) # faces count tab_str = tab * tab_level for f in me_faces: uvs = [uv_layer[loop_index].uv[:] for loop_index in f.loops] if linebreaksinlists: file.write(",\n") file.write( tab_str + "<%d,%d,%d>" % ( uniqueUVs[uvs[0]][0], uniqueUVs[uvs[1]][0], uniqueUVs[uvs[2]][0], ) ) else: file.write(", ") file.write( "<%d,%d,%d>" % ( uniqueUVs[uvs[0]][0], uniqueUVs[uvs[1]][0], uniqueUVs[uvs[2]][0], ) ) file.write("\n") tab_write("}\n") # XXX BOOLEAN write_object_csg_inside_vector(ob, file) if me.materials: try: material = me.materials[0] # dodgy write_object_material_interior(material, ob, tab_write) except IndexError: print(me) # POV object modifiers such as # hollow / sturm / double_illuminate etc. write_object_modifiers(ob, file) # Importance for radiosity sampling added here: tab_write("radiosity { \n") tab_write("importance %3g \n" % importance) tab_write("}\n") tab_write("}\n") # End of mesh block else: facesMaterials = [] # WARNING!!!!!!!!!!!!!!!!!!!!!! if me_materials: for f in me_faces: if f.material_index not in facesMaterials: facesMaterials.append(f.material_index) # No vertex colors, so write material colors as vertex colors for i, material in enumerate(me_materials): if ( material and material.pov.material_use_nodes is False ): # WARNING!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! # Multiply diffuse with SSS Color if material.pov_subsurface_scattering.use: diffuse_color = [ i * j for i, j in zip( material.pov_subsurface_scattering.color[:], material.diffuse_color[:], ) ] key = ( diffuse_color[0], diffuse_color[1], diffuse_color[2], i, ) # i == f.mat vertCols[key] = [-1] else: diffuse_color = material.diffuse_color[:] key = ( diffuse_color[0], diffuse_color[1], diffuse_color[2], i, ) # i == f.mat vertCols[key] = [-1] idx = 0 local_material_names = [] # XXX track and revert material_finish = None for col, index in vertCols.items(): # if me_materials: mater = me_materials[col[3]] if me_materials is not None: texturing.write_texture_influence( using_uberpov, mater, material_names_dictionary, local_material_names, path_image, exported_lights_count, image_format, img_map, img_map_transforms, tab_write, comments, string_strip_hyphen, safety, col, preview_dir, unpacked_images, ) # ------------------------------------------------ index[0] = idx idx += 1 # Vert Colors tab_write("texture_list {\n") # In case there's is no material slot, give at least one texture # (an empty one so it uses pov default) if len(vertCols) == 0: file.write(tab_str + "1") else: file.write(tab_str + "%s" % (len(vertCols))) # vert count # below "material" alias, added check obj.active_material # to avoid variable referenced before assignment error try: material = ob.active_material except IndexError: # when no material slot exists, material = None # WARNING!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! if ( material and ob.active_material is not None and not material.pov.material_use_nodes ): if material.pov.replacement_text != "": file.write("\n") file.write(" texture{%s}\n" % material.pov.replacement_text) else: # Loop through declared materials list for cMN in local_material_names: if material != "Default": file.write("\n texture{MAT_%s}\n" % cMN) # use string_strip_hyphen(material_names_dictionary[material])) # or Something like that to clean up the above? elif material and material.pov.material_use_nodes: for index in facesMaterials: faceMaterial = string_strip_hyphen( bpy.path.clean_name(me_materials[index].name) ) file.write("\n texture{%s}\n" % faceMaterial) # END!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! else: file.write(" texture{}\n") tab_write("}\n") # Face indices tab_write("face_indices {\n") tab_write("%d" % (len(me_faces))) # faces count tab_str = tab * tab_level for fi, f in enumerate(me_faces): fv = faces_verts[fi] material_index = f.material_index if vcol_layer: cols = [vcol_layer[loop_index].color[:] for loop_index in f.loops] if ( not me_materials or me_materials[material_index] is None ): # No materials if linebreaksinlists: file.write(",\n") # vert count file.write(tab_str + "<%d,%d,%d>" % (fv[0], fv[1], fv[2])) else: file.write(", ") file.write("<%d,%d,%d>" % (fv[0], fv[1], fv[2])) # vert count else: material = me_materials[material_index] ci1 = ci2 = ci3 = f.material_index if me.vertex_colors: # and material.use_vertex_color_paint: # Color per vertex - vertex color col1 = cols[0] col2 = cols[1] col3 = cols[2] ci1 = vertCols[col1[0], col1[1], col1[2], material_index][0] ci2 = vertCols[col2[0], col2[1], col2[2], material_index][0] ci3 = vertCols[col3[0], col3[1], col3[2], material_index][0] elif material.pov.material_use_nodes: ci1 = ci2 = ci3 = 0 else: # Color per material - flat material color if material.pov_subsurface_scattering.use: diffuse_color = [ i * j for i, j in zip( material.pov_subsurface_scattering.color[:], material.diffuse_color[:], ) ] else: diffuse_color = material.diffuse_color[:] ci1 = ci2 = ci3 = vertCols[ diffuse_color[0], diffuse_color[1], diffuse_color[2], f.material_index, ][0] if linebreaksinlists: file.write(",\n") file.write( tab_str + "<%d,%d,%d>, %d,%d,%d" % (fv[0], fv[1], fv[2], ci1, ci2, ci3) ) # vert count else: file.write(", ") file.write( "<%d,%d,%d>, %d,%d,%d" % (fv[0], fv[1], fv[2], ci1, ci2, ci3) ) # vert count file.write("\n") tab_write("}\n") # normal_indices indices tab_write("normal_indices {\n") tab_write("%d" % (len(me_faces))) # faces count tab_str = tab * tab_level for fi, fv in enumerate(faces_verts): if me_faces[fi].use_smooth: if linebreaksinlists: file.write(",\n") file.write( tab_str + "<%d,%d,%d>" % ( uniqueNormals[verts_normals[fv[0]]][0], uniqueNormals[verts_normals[fv[1]]][0], uniqueNormals[verts_normals[fv[2]]][0], ) ) # vert count else: file.write(", ") file.write( "<%d,%d,%d>" % ( uniqueNormals[verts_normals[fv[0]]][0], uniqueNormals[verts_normals[fv[1]]][0], uniqueNormals[verts_normals[fv[2]]][0], ) ) # vert count else: idx = uniqueNormals[faces_normals[fi]][0] if linebreaksinlists: file.write(",\n") file.write( tab_str + "<%d,%d,%d>" % (idx, idx, idx) ) # vertcount else: file.write(", ") file.write("<%d,%d,%d>" % (idx, idx, idx)) # vert count file.write("\n") tab_write("}\n") if uv_layer: tab_write("uv_indices {\n") tab_write("%d" % (len(me_faces))) # faces count tab_str = tab * tab_level for f in me_faces: uvs = [uv_layer[loop_index].uv[:] for loop_index in f.loops] if linebreaksinlists: file.write(",\n") file.write( tab_str + "<%d,%d,%d>" % ( uniqueUVs[uvs[0]][0], uniqueUVs[uvs[1]][0], uniqueUVs[uvs[2]][0], ) ) else: file.write(", ") file.write( "<%d,%d,%d>" % ( uniqueUVs[uvs[0]][0], uniqueUVs[uvs[1]][0], uniqueUVs[uvs[2]][0], ) ) file.write("\n") tab_write("}\n") # XXX BOOLEAN write_object_csg_inside_vector(ob, file) if me.materials: try: material = me.materials[0] # dodgy write_object_material_interior(material, ob, tab_write) except IndexError: print(me) # POV object modifiers such as # hollow / sturm / double_illuminate etc. write_object_modifiers(ob, file) # Importance for radiosity sampling added here: tab_write("radiosity { \n") tab_write("importance %3g \n" % importance) tab_write("}\n") tab_write("}\n") # End of mesh block ob_eval.to_mesh_clear() continue # ------------ Povray Primitives ------------ # # Also implicit elif (continue) clauses and sorted after mesh # as less often used. if ob.pov.object_as == 'PLANE': tab_write("#declare %s = plane{ <0,0,1>,0\n" % povdataname) if ob.active_material: # pov_mat_name = string_strip_hyphen(bpy.path.clean_name(obj.active_material.name)) try: material = ob.active_material write_object_material_interior(material, ob, tab_write) except IndexError: print(me) # tab_write("texture {%s}\n"%pov_mat_name) write_object_modifiers(ob, file) # tab_write("rotate x*90\n") tab_write("}\n") continue # Don't render proxy mesh, skip to next object if ob.pov.object_as == 'SPHERE': tab_write( "#declare %s = sphere { 0,%6f\n" % (povdataname, ob.pov.sphere_radius) ) if ob.active_material: # pov_mat_name = string_strip_hyphen(bpy.path.clean_name(obj.active_material.name)) try: material = ob.active_material write_object_material_interior(material, ob, tab_write) except IndexError: print(me) # tab_write("texture {%s}\n"%pov_mat_name) write_object_modifiers(ob, file) # tab_write("rotate x*90\n") tab_write("}\n") continue # Don't render proxy mesh, skip to next object if ob.pov.object_as == 'BOX': tab_write("#declare %s = box { -1,1\n" % povdataname) if ob.active_material: # pov_mat_name = string_strip_hyphen(bpy.path.clean_name(obj.active_material.name)) try: material = ob.active_material write_object_material_interior(material, ob, tab_write) except IndexError: print(me) # tab_write("texture {%s}\n"%pov_mat_name) write_object_modifiers(ob, file) # tab_write("rotate x*90\n") tab_write("}\n") continue # Don't render proxy mesh, skip to next object if ob.pov.object_as == 'CONE': br = ob.pov.cone_base_radius cr = ob.pov.cone_cap_radius bz = ob.pov.cone_base_z cz = ob.pov.cone_cap_z tab_write( "#declare %s = cone { <0,0,%.4f>,%.4f,<0,0,%.4f>,%.4f\n" % (povdataname, bz, br, cz, cr) ) if ob.active_material: # pov_mat_name = string_strip_hyphen(bpy.path.clean_name(obj.active_material.name)) try: material = ob.active_material write_object_material_interior(material, ob, tab_write) except IndexError: print(me) # tab_write("texture {%s}\n"%pov_mat_name) write_object_modifiers(ob, file) # tab_write("rotate x*90\n") tab_write("}\n") continue # Don't render proxy mesh, skip to next object if ob.pov.object_as == 'CYLINDER': r = ob.pov.cylinder_radius x2 = ob.pov.cylinder_location_cap[0] y2 = ob.pov.cylinder_location_cap[1] z2 = ob.pov.cylinder_location_cap[2] tab_write( "#declare %s = cylinder { <0,0,0>,<%6f,%6f,%6f>,%6f\n" % (povdataname, x2, y2, z2, r) ) if ob.active_material: # pov_mat_name = string_strip_hyphen(bpy.path.clean_name(obj.active_material.name)) try: material = ob.active_material write_object_material_interior(material, ob, tab_write) except IndexError: print(me) # tab_write("texture {%s}\n"%pov_mat_name) # cylinders written at origin, translated below write_object_modifiers(ob, file) # tab_write("rotate x*90\n") tab_write("}\n") continue # Don't render proxy mesh, skip to next object if ob.pov.object_as == 'HEIGHT_FIELD': data = "" filename = ob.pov.hf_filename data += '"%s"' % filename gamma = ' gamma %.4f' % ob.pov.hf_gamma data += gamma if ob.pov.hf_premultiplied: data += ' premultiplied on' if ob.pov.hf_smooth: data += ' smooth' if ob.pov.hf_water > 0: data += ' water_level %.4f' % ob.pov.hf_water # hierarchy = obj.pov.hf_hierarchy tab_write('#declare %s = height_field { %s\n' % (povdataname, data)) if ob.active_material: # pov_mat_name = string_strip_hyphen(bpy.path.clean_name(obj.active_material.name)) try: material = ob.active_material write_object_material_interior(material, ob, tab_write) except IndexError: print(me) # tab_write("texture {%s}\n"%pov_mat_name) write_object_modifiers(ob, file) tab_write("rotate x*90\n") tab_write("translate <-0.5,0.5,0>\n") tab_write("scale <0,-1,0>\n") tab_write("}\n") continue # Don't render proxy mesh, skip to next object if ob.pov.object_as == 'TORUS': tab_write( "#declare %s = torus { %.4f,%.4f\n" % (povdataname, ob.pov.torus_major_radius, ob.pov.torus_minor_radius) ) if ob.active_material: # pov_mat_name = string_strip_hyphen(bpy.path.clean_name(obj.active_material.name)) try: material = ob.active_material write_object_material_interior(material, ob, tab_write) except IndexError: print(me) # tab_write("texture {%s}\n"%pov_mat_name) write_object_modifiers(ob, file) tab_write("rotate x*90\n") tab_write("}\n") continue # Don't render proxy mesh, skip to next object if ob.pov.object_as == 'PARAMETRIC': tab_write("#declare %s = parametric {\n" % povdataname) tab_write("function { %s }\n" % ob.pov.x_eq) tab_write("function { %s }\n" % ob.pov.y_eq) tab_write("function { %s }\n" % ob.pov.z_eq) tab_write( "<%.4f,%.4f>, <%.4f,%.4f>\n" % (ob.pov.u_min, ob.pov.v_min, ob.pov.u_max, ob.pov.v_max) ) # Previous to 3.8 default max_gradient 1.0 was too slow tab_write("max_gradient 0.001\n") if ob.pov.contained_by == "sphere": tab_write("contained_by { sphere{0, 2} }\n") else: tab_write("contained_by { box{-2, 2} }\n") tab_write("max_gradient %.6f\n" % ob.pov.max_gradient) tab_write("accuracy %.6f\n" % ob.pov.accuracy) tab_write("precompute 10 x,y,z\n") tab_write("}\n") continue # Don't render proxy mesh, skip to next object if ob.pov.object_as == 'ISOSURFACE_NODE': tab_write("#declare %s = isosurface{ \n" % povdataname) tab_write("function{ \n") text_name = ob.pov.iso_function_text if text_name: node_tree = bpy.context.scene.node_tree for node in node_tree.nodes: if node.bl_idname == "IsoPropsNode" and node.label == ob.name: for inp in node.inputs: if inp: tab_write( "#declare %s = %.6g;\n" % (inp.name, inp.default_value) ) text = bpy.data.texts[text_name] for line in text.lines: split = line.body.split() if split[0] != "#declare": tab_write("%s\n" % line.body) else: tab_write("abs(x) - 2 + y") tab_write("}\n") tab_write("threshold %.6g\n" % ob.pov.threshold) tab_write("max_gradient %.6g\n" % ob.pov.max_gradient) tab_write("accuracy %.6g\n" % ob.pov.accuracy) tab_write("contained_by { ") if ob.pov.contained_by == "sphere": tab_write("sphere {0,%.6g}}\n" % ob.pov.container_scale) else: tab_write( "box {-%.6g,%.6g}}\n" % (ob.pov.container_scale, ob.pov.container_scale) ) if ob.pov.all_intersections: tab_write("all_intersections\n") else: if ob.pov.max_trace > 1: tab_write("max_trace %.6g\n" % ob.pov.max_trace) if ob.active_material: # pov_mat_name = string_strip_hyphen(bpy.path.clean_name(obj.active_material.name)) try: material = ob.active_material write_object_material_interior(material, ob, tab_write) except IndexError: print(me) # tab_write("texture {%s}\n"%pov_mat_name) tab_write("scale %.6g\n" % (1 / ob.pov.container_scale)) tab_write("}\n") continue # Don't render proxy mesh, skip to next object if ob.pov.object_as == 'ISOSURFACE_VIEW': simple_isosurface_function = ob.pov.isosurface_eq if simple_isosurface_function: tab_write("#declare %s = isosurface{ \n" % povdataname) tab_write("function{ \n") tab_write(simple_isosurface_function) tab_write("}\n") tab_write("threshold %.6g\n" % ob.pov.threshold) tab_write("max_gradient %.6g\n" % ob.pov.max_gradient) tab_write("accuracy %.6g\n" % ob.pov.accuracy) tab_write("contained_by { ") if ob.pov.contained_by == "sphere": tab_write("sphere {0,%.6g}}\n" % ob.pov.container_scale) else: tab_write( "box {-%.6g,%.6g}}\n" % (ob.pov.container_scale, ob.pov.container_scale) ) if ob.pov.all_intersections: tab_write("all_intersections\n") else: if ob.pov.max_trace > 1: tab_write("max_trace %.6g\n" % ob.pov.max_trace) if ob.active_material: # pov_mat_name = string_strip_hyphen(bpy.path.clean_name(obj.active_material.name)) try: material = ob.active_material write_object_material_interior(material, ob, tab_write) except IndexError: print(me) # tab_write("texture {%s}\n"%pov_mat_name) tab_write("scale %.6g\n" % (1 / ob.pov.container_scale)) tab_write("}\n") continue # Don't render proxy mesh, skip to next object if ob.pov.object_as == 'SUPERELLIPSOID': tab_write( "#declare %s = superellipsoid{ <%.4f,%.4f>\n" % (povdataname, ob.pov.se_n2, ob.pov.se_n1) ) if ob.active_material: # pov_mat_name = string_strip_hyphen(bpy.path.clean_name(obj.active_material.name)) try: material = ob.active_material write_object_material_interior(material, ob, tab_write) except IndexError: print(me) # tab_write("texture {%s}\n"%pov_mat_name) write_object_modifiers(ob, file) tab_write("}\n") continue # Don't render proxy mesh, skip to next object if ob.pov.object_as == 'SUPERTORUS': rad_maj = ob.pov.st_major_radius rad_min = ob.pov.st_minor_radius ring = ob.pov.st_ring cross = ob.pov.st_cross accuracy = ob.pov.st_accuracy gradient = ob.pov.st_max_gradient # --- Inline Supertorus macro file.write( "#macro Supertorus(RMj, RMn, MajorControl, MinorControl, Accuracy, MaxGradient)\n" ) file.write(" #local CP = 2/MinorControl;\n") file.write(" #local RP = 2/MajorControl;\n") file.write(" isosurface {\n") file.write( " function { pow( pow(abs(pow(pow(abs(x),RP) + pow(abs(z),RP), 1/RP) - RMj),CP) + pow(abs(y),CP) ,1/CP) - RMn }\n" ) file.write(" threshold 0\n") file.write( " contained_by {box {<-RMj-RMn,-RMn,-RMj-RMn>, < RMj+RMn, RMn, RMj+RMn>}}\n" ) file.write(" #if(MaxGradient >= 1)\n") file.write(" max_gradient MaxGradient\n") file.write(" #else\n") file.write(" evaluate 1, 10, 0.1\n") file.write(" #end\n") file.write(" accuracy Accuracy\n") file.write(" }\n") file.write("#end\n") # --- tab_write( "#declare %s = object{ Supertorus( %.4g,%.4g,%.4g,%.4g,%.4g,%.4g)\n" % (povdataname, rad_maj, rad_min, ring, cross, accuracy, gradient) ) if ob.active_material: # pov_mat_name = string_strip_hyphen(bpy.path.clean_name(obj.active_material.name)) try: material = ob.active_material write_object_material_interior(material, ob, tab_write) except IndexError: print(me) # tab_write("texture {%s}\n"%pov_mat_name) write_object_modifiers(ob, file) tab_write("rotate x*90\n") tab_write("}\n") continue # Don't render proxy mesh, skip to next object if ob.pov.object_as == 'POLYCIRCLE': # TODO write below macro Once: # if write_polytocircle_macro_once == 0: file.write("/****************************\n") file.write("This macro was written by 'And'.\n") file.write("Link:(http://news.povray.org/povray.binaries.scene-files/)\n") file.write("****************************/\n") file.write("//from math.inc:\n") file.write("#macro VPerp_Adjust(V, Axis)\n") file.write(" vnormalize(vcross(vcross(Axis, V), Axis))\n") file.write("#end\n") file.write("//Then for the actual macro\n") file.write("#macro Shape_Slice_Plane_2P_1V(point1, point2, clip_direct)\n") file.write("#local p1 = point1 + <0,0,0>;\n") file.write("#local p2 = point2 + <0,0,0>;\n") file.write("#local clip_v = vnormalize(clip_direct + <0,0,0>);\n") file.write("#local direct_v1 = vnormalize(p2 - p1);\n") file.write("#if(vdot(direct_v1, clip_v) = 1)\n") file.write(' #error "Shape_Slice_Plane_2P_1V error: Can\'t decide plane"\n') file.write("#end\n\n") file.write( "#local norm = -vnormalize(clip_v - direct_v1*vdot(direct_v1,clip_v));\n" ) file.write("#local d = vdot(norm, p1);\n") file.write("plane{\n") file.write("norm, d\n") file.write("}\n") file.write("#end\n\n") file.write("//polygon to circle\n") file.write( "#macro Shape_Polygon_To_Circle_Blending(_polygon_n, _side_face, _polygon_circumscribed_radius, _circle_radius, _height)\n" ) file.write("#local n = int(_polygon_n);\n") file.write("#if(n < 3)\n") file.write(" #error " "\n") file.write("#end\n\n") file.write("#local front_v = VPerp_Adjust(_side_face, z);\n") file.write("#if(vdot(front_v, x) >= 0)\n") file.write(" #local face_ang = acos(vdot(-y, front_v));\n") file.write("#else\n") file.write(" #local face_ang = -acos(vdot(-y, front_v));\n") file.write("#end\n") file.write("#local polyg_ext_ang = 2*pi/n;\n") file.write("#local polyg_outer_r = _polygon_circumscribed_radius;\n") file.write("#local polyg_inner_r = polyg_outer_r*cos(polyg_ext_ang/2);\n") file.write("#local cycle_r = _circle_radius;\n") file.write("#local h = _height;\n") file.write("#if(polyg_outer_r < 0 | cycle_r < 0 | h <= 0)\n") file.write(' #error "error: each side length must be positive"\n') file.write("#end\n\n") file.write("#local multi = 1000;\n") file.write("#local poly_obj =\n") file.write("polynomial{\n") file.write("4,\n") file.write("xyz(0,2,2): multi*1,\n") file.write("xyz(2,0,1): multi*2*h,\n") file.write("xyz(1,0,2): multi*2*(polyg_inner_r-cycle_r),\n") file.write("xyz(2,0,0): multi*(-h*h),\n") file.write("xyz(0,0,2): multi*(-pow(cycle_r - polyg_inner_r, 2)),\n") file.write("xyz(1,0,1): multi*2*h*(-2*polyg_inner_r + cycle_r),\n") file.write("xyz(1,0,0): multi*2*h*h*polyg_inner_r,\n") file.write("xyz(0,0,1): multi*2*h*polyg_inner_r*(polyg_inner_r - cycle_r),\n") file.write("xyz(0,0,0): multi*(-pow(polyg_inner_r*h, 2))\n") file.write("sturm\n") file.write("}\n\n") file.write("#local mockup1 =\n") file.write("difference{\n") file.write(" cylinder{\n") file.write(" <0,0,0.0>,<0,0,h>, max(polyg_outer_r, cycle_r)\n") file.write(" }\n\n") file.write(" #for(i, 0, n-1)\n") file.write(" object{\n") file.write(" poly_obj\n") file.write(" inverse\n") file.write(" rotate <0, 0, -90 + degrees(polyg_ext_ang*i)>\n") file.write(" }\n") file.write(" object{\n") file.write( " Shape_Slice_Plane_2P_1V(,,x)\n" ) file.write(" rotate <0, 0, -90 + degrees(polyg_ext_ang*i)>\n") file.write(" }\n") file.write(" #end\n") file.write("}\n\n") file.write("object{\n") file.write("mockup1\n") file.write("rotate <0, 0, degrees(face_ang)>\n") file.write("}\n") file.write("#end\n") # Use the macro ngon = ob.pov.polytocircle_ngon ngonR = ob.pov.polytocircle_ngonR circleR = ob.pov.polytocircle_circleR tab_write( "#declare %s = object { Shape_Polygon_To_Circle_Blending(%s, z, %.4f, %.4f, 2) rotate x*180 translate z*1\n" % (povdataname, ngon, ngonR, circleR) ) tab_write("}\n") continue # Don't render proxy mesh, skip to next object if csg: duplidata_ref = [] _dupnames_seen = dict() # avoid duplicate output during introspection for ob in sel: # matrix = global_matrix @ obj.matrix_world if ob.is_instancer: tab_write("\n//--DupliObjects in %s--\n\n" % ob.name) # obj.dupli_list_create(scene) #deprecated in 2.8 dup = "" if ob.is_modified(scene, 'RENDER'): # modified object always unique so using object name rather than data name dup = "#declare OB%s = union{\n" % ( string_strip_hyphen(bpy.path.clean_name(ob.name)) ) else: dup = "#declare DATA%s = union{\n" % ( string_strip_hyphen(bpy.path.clean_name(ob.name)) ) for eachduplicate in depsgraph.object_instances: if ( eachduplicate.is_instance ): # Real dupli instance filtered because original included in list since 2.8 _dupname = eachduplicate.object.name _dupobj = bpy.data.objects[_dupname] # BEGIN introspection for troubleshooting purposes if "name" not in dir(_dupobj.data): if _dupname not in _dupnames_seen: print( "WARNING: bpy.data.objects[%s].data (of type %s) has no 'name' attribute" % (_dupname, type(_dupobj.data)) ) for _thing in dir(_dupobj): print( "|| %s.%s = %s" % (_dupname, _thing, getattr(_dupobj, _thing)) ) _dupnames_seen[_dupname] = 1 print("''=> Unparseable objects so far: %s" % _dupnames_seen) else: _dupnames_seen[_dupname] += 1 continue # don't try to parse data objects with no name attribute # END introspection for troubleshooting purposes duplidataname = "OB" + string_strip_hyphen( bpy.path.clean_name(_dupobj.data.name) ) dupmatrix = ( eachduplicate.matrix_world.copy() ) # has to be copied to not store instance since 2.8 dup += "\tobject {\n\t\tDATA%s\n\t\t%s\t}\n" % ( string_strip_hyphen(bpy.path.clean_name(_dupobj.data.name)), matrix_as_pov_string(ob.matrix_world.inverted() @ dupmatrix), ) # add object to a list so that it is not rendered for some instance_types if ( ob.instance_type not in {'COLLECTION'} and duplidataname not in duplidata_ref ): duplidata_ref.append( duplidataname ) # older key [string_strip_hyphen(bpy.path.clean_name("OB"+obj.name))] dup += "}\n" # obj.dupli_list_clear()# just do not store any reference to instance since 2.8 tab_write(dup) else: continue if _dupnames_seen: print("WARNING: Unparseable objects in current .blend file:\n''--> %s" % _dupnames_seen) if duplidata_ref: print("duplidata_ref = %s" % duplidata_ref) for data_name, inst in data_ref.items(): for ob_name, matrix_str in inst: if ob_name not in duplidata_ref: # .items() for a dictionary tab_write("\n//----Blender Object Name:%s----\n" % ob_name) if ob.pov.object_as == '': tab_write("object { \n") tab_write("%s\n" % data_name) tab_write("%s\n" % matrix_str) tab_write("}\n") else: no_boolean = True for mod in ob.modifiers: if mod.type == 'BOOLEAN': operation = None no_boolean = False if mod.operation == 'INTERSECT': operation = 'intersection' else: operation = mod.operation.lower() mod_ob_name = string_strip_hyphen( bpy.path.clean_name(mod.object.name) ) mod_matrix = global_matrix @ mod.object.matrix_world mod_ob_matrix = matrix_as_pov_string(mod_matrix) tab_write("%s { \n" % operation) tab_write("object { \n") tab_write("%s\n" % data_name) tab_write("%s\n" % matrix_str) tab_write("}\n") tab_write("object { \n") tab_write("%s\n" % ('DATA' + mod_ob_name)) tab_write("%s\n" % mod_ob_matrix) tab_write("}\n") tab_write("}\n") break if no_boolean: tab_write("object { \n") tab_write("%s\n" % data_name) tab_write("%s\n" % matrix_str) tab_write("}\n")