diff options
author | Brendon Murphy <meta.androcto1@gmail.com> | 2011-04-24 14:40:49 +0400 |
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committer | Brendon Murphy <meta.androcto1@gmail.com> | 2011-04-24 14:40:49 +0400 |
commit | d96d9d390eb25b7fc920cf28a25447638e1b261e (patch) | |
tree | f006cd3b5bb65b9dd74bf3839278cf89821a6db1 /add_mesh_3d_function_surface.py | |
parent | a13ec92e4cfe4fa6fabfe05cc7ec8b50ea8a0a6e (diff) |
merged "lesser" add mesh scripts.
add mesh extras, gemstones, twisted torus, gears & 3d function surfaces
Now in folder add_mesh_extra_objects under 1 init file.
Diffstat (limited to 'add_mesh_3d_function_surface.py')
-rw-r--r-- | add_mesh_3d_function_surface.py | 533 |
1 files changed, 0 insertions, 533 deletions
diff --git a/add_mesh_3d_function_surface.py b/add_mesh_3d_function_surface.py deleted file mode 100644 index 9b75e128..00000000 --- a/add_mesh_3d_function_surface.py +++ /dev/null @@ -1,533 +0,0 @@ -# ##### 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 ##### - -bl_info = { - "name": "3D Function Surfaces", - "author": "Buerbaum Martin (Pontiac)", - "version": (0, 3, 7), - "blender": (2, 5, 7), - "api": 35853, - "location": "View3D > Add > Mesh", - "description": "Create Objects using Math Formulas", - "warning": "", - "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.5/Py/"\ - "Scripts/Add_Mesh/Add_3d_Function_Surface", - "tracker_url": "https://projects.blender.org/tracker/index.php?"\ - "func=detail&aid=21444", - "category": "Add Mesh"} - -""" -Z Function Surface - -This script lets the user create a surface where the z coordinate -is a function of the x and y coordinates. - - z = f(x,y) - -X,Y,Z Function Surface - -This script lets the user create a surface where the x, y and z -coordinates are defiend by a function. - - x = f(u,v) - y = f(u,v) - z = f(u,v) - -Usage: -You have to activated the script in the "Add-Ons" tab (user preferences). -The functionality can then be accessed via the -"Add Mesh" -> "Z Function Surface" -and -"Add Mesh" -> "X,Y,Z Function Surface" -menu. - -Version history: -v0.3.6 - Various updates to match current Blender API. - Removed recall functionality. - Better code for align_matrix - Hopefully fixed bug where uMax was never reached. May cause other stuff. -v0.3.5 - createFaces can now "Flip" faces and create fan/star like faces. -v0.3.4 - Updated store_recall_properties, apply_object_align - and create_mesh_object. - Changed how recall data is stored. -v0.3.3 - API change Mathutils -> mathutils (r557) -v0.3.2 - Various fixes&streamlining by ideasman42/Campbell Barton. - r544 Compile expressions for faster execution - r544 Use operator reports for errors too - r544 Avoid type checks by converting to a float, errors - converting to a float are reported too. - Fixed an error Campbell overlooked (appending tuples to an - array, not single values) Thamnks for the report wild_doogy. - Added 'description' field, updated 'wiki_url'. - Made the script PEP8 compatible again. -v0.3.1 - Use hidden "edit" property for "recall" operator. - Bugfix: Z Function was mixing up div_x and div_y -v0.3 - X,Y,Z Function Surface (by Ed Mackey & tuga3d). - Renamed old function to "Z Function Surface". - Align the geometry to the view if the user preference says so. - Store recall properties in newly created object. -v0.2.3 - Use bl_info for Add-On information. -v0.2.2 - Fixed Add-On registration text. -v0.2.1 - Fixed some new API stuff. - Mainly we now have the register/unregister functions. - Also the new() function for objects now accepts a mesh object. - Changed the script so it can be managed from the "Add-Ons" tab - in the user preferences. - Added dummy "PLUGIN" icon. - Corrected FSF address. - Clean up of tooltips. -v0.2 - Added security check for eval() function - Check return value of eval() for complex numbers. -v0.1.1 - Use 'CANCELLED' return value when failing. - Updated web links. -v0.1 - Initial revision. -More Links: -http://gitorious.org/blender-scripts/blender-3d-function-surface -http://blenderartists.org/forum/showthread.php?t=179043 -""" -import bpy -from mathutils import * -from math import * -from bpy.props import * - -# List of safe functions for eval() -safe_list = ['math', 'acos', 'asin', 'atan', 'atan2', 'ceil', 'cos', 'cosh', - 'degrees', 'e', 'exp', 'fabs', 'floor', 'fmod', 'frexp', 'hypot', - 'ldexp', 'log', 'log10', 'modf', 'pi', 'pow', 'radians', - 'sin', 'sinh', 'sqrt', 'tan', 'tanh'] - -# Use the list to filter the local namespace -safe_dict = dict((k, globals().get(k, None)) for k in safe_list) - - -# Stores the values of a list of properties and the -# operator id in a property group ('recall_op') inside the object. -# Could (in theory) be used for non-objects. -# Note: Replaces any existing property group with the same name! -# ob ... Object to store the properties in. -# op ... The operator that should be used. -# op_args ... A dictionary with valid Blender -# properties (operator arguments/parameters). - - -# Create a new mesh (object) from verts/edges/faces. -# verts/edges/faces ... List of vertices/edges/faces for the -# new mesh (as used in from_pydata). -# name ... Name of the new mesh (& object). -def create_mesh_object(context, verts, edges, faces, name): - - # Create new mesh - mesh = bpy.data.meshes.new(name) - - # Make a mesh from a list of verts/edges/faces. - mesh.from_pydata(verts, edges, faces) - - # Update mesh geometry after adding stuff. - mesh.update() - - import add_object_utils - return add_object_utils.object_data_add(context, mesh, operator=None) - - -# A very simple "bridge" tool. -# Connects two equally long vertex rows with faces. -# Returns a list of the new faces (list of lists) -# -# vertIdx1 ... First vertex list (list of vertex indices). -# vertIdx2 ... Second vertex list (list of vertex indices). -# closed ... Creates a loop (first & last are closed). -# flipped ... Invert the normal of the face(s). -# -# Note: You can set vertIdx1 to a single vertex index to create -# a fan/star of faces. -# Note: If both vertex idx list are the same length they have -# to have at least 2 vertices. -def createFaces(vertIdx1, vertIdx2, closed=False, flipped=False): - faces = [] - - if not vertIdx1 or not vertIdx2: - return None - - if len(vertIdx1) < 2 and len(vertIdx2) < 2: - return None - - fan = False - if (len(vertIdx1) != len(vertIdx2)): - if (len(vertIdx1) == 1 and len(vertIdx2) > 1): - fan = True - else: - return None - - total = len(vertIdx2) - - if closed: - # Bridge the start with the end. - if flipped: - face = [ - vertIdx1[0], - vertIdx2[0], - vertIdx2[total - 1]] - if not fan: - face.append(vertIdx1[total - 1]) - faces.append(face) - - else: - face = [vertIdx2[0], vertIdx1[0]] - if not fan: - face.append(vertIdx1[total - 1]) - face.append(vertIdx2[total - 1]) - faces.append(face) - - # Bridge the rest of the faces. - for num in range(total - 1): - if flipped: - if fan: - face = [vertIdx2[num], vertIdx1[0], vertIdx2[num + 1]] - else: - face = [vertIdx2[num], vertIdx1[num], - vertIdx1[num + 1], vertIdx2[num + 1]] - faces.append(face) - else: - if fan: - face = [vertIdx1[0], vertIdx2[num], vertIdx2[num + 1]] - else: - face = [vertIdx1[num], vertIdx2[num], - vertIdx2[num + 1], vertIdx1[num + 1]] - faces.append(face) - - return faces - - -class AddZFunctionSurface(bpy.types.Operator): - '''Add a surface defined defined by a function z=f(x,y)''' - bl_idname = "mesh.primitive_z_function_surface" - bl_label = "Add Z Function Surface" - bl_options = {'REGISTER', 'UNDO'} - - equation = StringProperty(name="Z Equation", - description="Equation for z=f(x,y)", - default="1 - ( x**2 + y**2 )") - - div_x = IntProperty(name="X Subdivisions", - description="Number of vertices in x direction.", - default=16, - min=3, - max=256) - div_y = IntProperty(name="Y Subdivisions", - description="Number of vertices in y direction.", - default=16, - min=3, - max=256) - - size_x = FloatProperty(name="X Size", - description="Size of the x axis.", - default=2.0, - min=0.01, - max=100.0, - unit="LENGTH") - size_y = FloatProperty(name="Y Size", - description="Size of the y axis.", - default=2.0, - min=0.01, - max=100.0, - unit="LENGTH") - - def execute(self, context): - equation = self.equation - div_x = self.div_x - div_y = self.div_y - size_x = self.size_x - size_y = self.size_y - - verts = [] - faces = [] - - delta_x = size_x / float(div_x - 1) - delta_y = size_y / float(div_y - 1) - start_x = -(size_x / 2.0) - start_y = -(size_y / 2.0) - - edgeloop_prev = [] - - try: - expr_args = ( - compile(equation, __file__, 'eval'), - {"__builtins__": None}, - safe_dict) - except: - import traceback - self.report({'ERROR'}, "Error parsing expression: " - + traceback.format_exc(limit=1)) - return {'CANCELLED'} - - for row_x in range(div_x): - edgeloop_cur = [] - x = start_x + row_x * delta_x - - for row_y in range(div_y): - y = start_y + row_y * delta_y - z = 0.0 - - safe_dict['x'] = x - safe_dict['y'] = y - - # Try to evaluate the equation. - try: - z = float(eval(*expr_args)) - except: - import traceback - self.report({'ERROR'}, "Error evaluating expression: " - + traceback.format_exc(limit=1)) - return {'CANCELLED'} - - edgeloop_cur.append(len(verts)) - verts.append((x, y, z)) - - if len(edgeloop_prev) > 0: - faces_row = createFaces(edgeloop_prev, edgeloop_cur) - faces.extend(faces_row) - - edgeloop_prev = edgeloop_cur - - base = create_mesh_object(context, verts, [], faces, "Z Function") - - return {'FINISHED'} - - -def xyz_function_surface_faces(self, x_eq, y_eq, z_eq, - range_u_min, range_u_max, range_u_step, wrap_u, - range_v_min, range_v_max, range_v_step, wrap_v): - - verts = [] - faces = [] - - # Distance of each step in Blender Units - uStep = (range_u_max - range_u_min) / range_u_step - vStep = (range_v_max - range_v_min) / range_v_step - - # Number of steps in the vertex creation loops - uRange = range_u_step + 1 - vRange = range_v_step + 1 - - try: - expr_args_x = ( - compile(x_eq, __file__.replace(".py", "_x.py"), 'eval'), - {"__builtins__": None}, - safe_dict) - expr_args_y = ( - compile(y_eq, __file__.replace(".py", "_y.py"), 'eval'), - {"__builtins__": None}, - safe_dict) - expr_args_z = ( - compile(z_eq, __file__.replace(".py", "_z.py"), 'eval'), - {"__builtins__": None}, - safe_dict) - except: - import traceback - self.report({'ERROR'}, "Error parsing expression: " - + traceback.format_exc(limit=1)) - return [], [] - - for vN in range(vRange): - v = range_v_min + (vN * vStep) - - for uN in range(uRange): - u = range_u_min + (uN * uStep) - - safe_dict['u'] = u - safe_dict['v'] = v - - # Try to evaluate the equation. - try: - verts.append(( - float(eval(*expr_args_x)), - float(eval(*expr_args_y)), - float(eval(*expr_args_z)))) - - except: - import traceback - self.report({'ERROR'}, "Error evaluating expression: " - + traceback.format_exc(limit=1)) - return [], [] - - for vN in range(1, range_v_step + 1): - vThis = vN - - if (vThis >= vRange): - if wrap_v: - vThis = 0 - else: - continue - - for uN in range(1, range_u_step + 1): - uThis = uN - - if (uThis >= uRange): - if wrap_u: - uThis = 0 - else: - continue - - faces.append([(vThis * uRange) + uThis, - (vThis * uRange) + uN - 1, - ((vN - 1) * uRange) + uN - 1, - ((vN - 1) * uRange) + uThis]) - - return verts, faces - - -# Original Script "Parametric.py" by Ed Mackey. -# -> http://www.blinken.com/blender-plugins.php -# Partly converted for Blender 2.5 by tuga3d. -# -# Sphere: -# x = sin(2*pi*u)*sin(pi*v) -# y = cos(2*pi*u)*sin(pi*v) -# z = cos(pi*v) -# u_min = v_min = 0 -# u_max = v_max = 1 -# -# "Snail shell" -# x = 1.2**v*(sin(u)**2 *sin(v)) -# y = 1.2**v*(sin(u)*cos(u)) -# z = 1.2**v*(sin(u)**2 *cos(v)) -# u_min = 0 -# u_max = pi -# v_min = -pi/4, -# v max = 5*pi/2 -class AddXYZFunctionSurface(bpy.types.Operator): - '''Add a surface defined defined by 3 functions:''' \ - + ''' x=f(u,v), y=f(u,v) and z=f(u,v)''' - bl_idname = "mesh.primitive_xyz_function_surface" - bl_label = "Add X,Y,Z Function Surface" - bl_options = {'REGISTER', 'UNDO'} - - x_eq = StringProperty(name="X Equation", - description="Equation for x=f(u,v)", - default="1.2**v*(sin(u)**2 *sin(v))") - - y_eq = StringProperty(name="Y Equation", - description="Equation for y=f(u,v)", - default="1.2**v*(sin(u)*cos(u))") - - z_eq = StringProperty(name="Z Equation", - description="Equation for z=f(u,v)", - default="1.2**v*(sin(u)**2 *cos(v))") - - range_u_min = FloatProperty(name="U min", - description="Minimum U value. Lower boundary of U range.", - min=-100.00, - max=0.00, - default=0.00) - - range_u_max = FloatProperty(name="U max", - description="Maximum U value. Upper boundary of U range.", - min=0.00, - max=100.00, - default=pi) - - range_u_step = IntProperty(name="U step", - description="U Subdivisions", - min=1, - max=1024, - default=32) - - wrap_u = BoolProperty(name="U wrap", - description="U Wrap around", - default=True) - - range_v_min = FloatProperty(name="V min", - description="Minimum V value. Lower boundary of V range.", - min=-100.00, - max=0.00, - default=-pi / 4) - - range_v_max = FloatProperty(name="V max", - description="Maximum V value. Upper boundary of V range.", - min=0.00, - max=100.00, - default=5 * pi / 2) - - range_v_step = IntProperty(name="V step", - description="V Subdivisions", - min=1, - max=1024, - default=32) - - wrap_v = BoolProperty(name="V wrap", - description="V Wrap around", - default=False) - - def execute(self, context): - verts, faces = xyz_function_surface_faces( - self, - self.x_eq, - self.y_eq, - self.z_eq, - self.range_u_min, - self.range_u_max, - self.range_u_step, - self.wrap_u, - self.range_v_min, - self.range_v_max, - self.range_v_step, - self.wrap_v) - - if not verts: - return {'CANCELLED'} - - obj = create_mesh_object(context, verts, [], faces, "XYZ Function") - - return {'FINISHED'} - - -################################ - - -# Define "3D Function Surface" menu -def menu_func_z(self, context): - self.layout.operator(AddZFunctionSurface.bl_idname, - text="Z Function Surface", - icon="PLUGIN") - - -def menu_func_xyz(self, context): - self.layout.operator(AddXYZFunctionSurface.bl_idname, - text="X,Y,Z Function Surface", - icon="PLUGIN") - - -def register(): - bpy.utils.register_module(__name__) - - # Add menus to the "Add Mesh" menu - INFO_MT_mesh_add = bpy.types.INFO_MT_mesh_add - INFO_MT_mesh_add.append(menu_func_z) - INFO_MT_mesh_add.append(menu_func_xyz) - - -def unregister(): - bpy.utils.unregister_module(__name__) - - # Remove menus from the "Add Mesh" menu. - INFO_MT_mesh_add = bpy.types.INFO_MT_mesh_add - INFO_MT_mesh_add.remove(menu_func_z) - INFO_MT_mesh_add.remove(menu_func_xyz) - -if __name__ == "__main__": - register() |