Files
blender-addons/mesh_tissue/contour_curves.py
2024-03-07 13:18:33 +11:00

1174 lines
44 KiB
Python

# SPDX-FileCopyrightText: 2017 Alessandro Zomparelli
#
# SPDX-License-Identifier: GPL-2.0-or-later
#-------------------------- COLORS / GROUPS EXCHANGER -------------------------#
# #
# Vertex Color to Vertex Group allow you to convert colors channles to weight #
# maps. #
# The main purpose is to use vertex colors to store information when importing #
# files from other softwares. The script works with the active vertex color #
# slot. #
# For use the command "Vertex Clors to Vertex Groups" use the search bar #
# (space bar). #
# #
# (c) Alessandro Zomparelli #
# (2017) #
# #
# http://www.co-de-it.com/ #
# #
################################################################################
import bpy, bmesh, os
import numpy as np
import math, timeit, time
from math import pi
from mathutils import Vector
from numpy import *
from bpy.types import (
Operator,
Panel,
PropertyGroup,
)
from bpy.props import (
BoolProperty,
EnumProperty,
FloatProperty,
IntProperty,
StringProperty,
FloatVectorProperty,
IntVectorProperty,
PointerProperty
)
from .utils import *
def anim_contour_curves(self, context):
ob = context.object
props = ob.tissue_contour_curves
if not (ob.tissue.bool_lock or ob.tissue.bool_hold):
#try:
props.object.name
bpy.ops.object.tissue_update_contour_curves()
#except: pass
class tissue_contour_curves_prop(PropertyGroup):
object : PointerProperty(
type=bpy.types.Object,
name="Object",
description="Source object",
update = anim_contour_curves
)
use_modifiers : BoolProperty(
name="Use Modifiers", default=True,
description="Apply all the modifiers",
update = anim_contour_curves
)
variable_bevel : BoolProperty(
name="Variable Bevel", default=False,
description="Variable Bevel",
update = anim_contour_curves
)
min_value : FloatProperty(
name="Offset Value", default=0., #soft_min=0, soft_max=1,
description="Offset contouring values",
update = anim_contour_curves
)
range_value : FloatProperty(
name="Range Values", default=100, #soft_min=0, soft_max=1,
description="Maximum range of contouring values",
update = anim_contour_curves
)
n_curves : IntProperty(
name="Curves", default=1000, soft_min=1, soft_max=200,
description="Number of Contour Curves",
update = anim_contour_curves
)
in_displace : FloatProperty(
name="Displace A", default=0, soft_min=-10, soft_max=10,
description="Pattern displace strength",
update = anim_contour_curves
)
out_displace : FloatProperty(
name="Displace B", default=2, soft_min=-10, soft_max=10,
description="Pattern displace strength",
update = anim_contour_curves
)
in_steps : IntProperty(
name="Steps A", default=1, min=0, soft_max=10,
description="Number of layers to move inwards",
update = anim_contour_curves
)
out_steps : IntProperty(
name="Steps B", default=1, min=0, soft_max=10,
description="Number of layers to move outwards",
update = anim_contour_curves
)
displace_x : BoolProperty(
name="Use X", default=True,
description="Displace along X axis",
update = anim_contour_curves
)
displace_y : BoolProperty(
name="Use Y", default=True,
description="Displace along Y axis",
update = anim_contour_curves
)
displace_z : BoolProperty(
name="Use Z", default=True,
description="Displace along Z axis",
update = anim_contour_curves
)
merge : BoolProperty(
name="Merge Vertices", default=True,
description="Merge points",
update = anim_contour_curves
)
merge_thres : FloatProperty(
name="Merge Threshold", default=0.01, min=0, soft_max=1,
description="Minimum Curve Radius",
update = anim_contour_curves
)
bevel_depth : FloatProperty(
name="Bevel Depth", default=0, min=0, soft_max=1,
description="",
update = anim_contour_curves
)
min_bevel_depth : FloatProperty(
name="Min Bevel Depth", default=0.05, min=0, soft_max=1,
description="",
update = anim_contour_curves
)
max_bevel_depth : FloatProperty(
name="Max Bevel Depth", default=0.20, min=0, soft_max=1,
description="",
update = anim_contour_curves
)
remove_open_curves : BoolProperty(
name="Remove Open Curves", default=False,
description="Remove Open Curves",
update = anim_contour_curves
)
vertex_group_pattern : StringProperty(
name="Displace", default='',
description="Vertex Group used for pattern displace",
update = anim_contour_curves
)
vertex_group_bevel : StringProperty(
name="Bevel", default='',
description="Variable Bevel depth",
update = anim_contour_curves
)
object_name : StringProperty(
name="Active Object", default='',
description="",
update = anim_contour_curves
)
vertex_group_contour : StringProperty(
name="Contour", default="",
description="Vertex Group used for contouring",
update = anim_contour_curves
)
clean_distance : FloatProperty(
name="Clean Distance", default=0.005, min=0, soft_max=10,
description="Remove short segments",
update = anim_contour_curves
)
spiralized: BoolProperty(
name='Spiralized', default=False,
description='Create a Spiral Contour. Works better with dense meshes.',
update = anim_contour_curves
)
spiral_axis: FloatVectorProperty(
name="Spiral Axis", default=(0,0,1),
description="Axis of the Spiral (in local coordinates)",
update = anim_contour_curves
)
spiral_rotation : FloatProperty(
name="Spiral Rotation", default=0, min=0, max=2*pi,
description="",
update = anim_contour_curves
)
contour_mode : EnumProperty(
items=(
('VECTOR', "Vector", "Orient the Contour to a given vector starting from the origin of the object"),
('OBJECT', "Object", "Orient the Contour to a target object's Z"),
('WEIGHT', "Weight", "Contour based on a Vertex Group"),
('ATTRIBUTE', "Attribute", "Contour based on an Attribute (Vertex > Float)"),
('GEODESIC', "Geodesic Distance", "Contour based on the geodesic distance from the chosen vertices"),
('TOPOLOGY', "Topology Distance", "Contour based on the topology distance from the chosen vertices")
),
default='VECTOR',
name="Mode used for the Contour Curves",
update = anim_contour_curves
)
contour_vector : FloatVectorProperty(
name='Vector', description='Constant Vector', default=(0.0, 0.0, 1.0),
update = anim_contour_curves
)
contour_vector_object : PointerProperty(
type=bpy.types.Object,
name="",
description="Target Object",
update = anim_contour_curves
)
contour_offset : FloatProperty(
name="Offset", default=0.05, min=0.000001, soft_min=0.01, soft_max=10,
description="Contour offset along the Vector",
update = anim_contour_curves
)
seeds_mode : EnumProperty(
items=(
('BOUND', "Boundary Edges", "Compute the distance starting from the boundary edges"),
('SHARP', "Sharp Edges", "Compute the distance starting from the sharp edges"),
('WEIGHT', "Weight", "Compute the distance starting from the selected vertex group")
),
default='BOUND',
name="Seeds used for computing the distance",
update = anim_contour_curves
)
vertex_group_seed : StringProperty(
name="Seeds", default="",
description="Vertex Group used for computing the distance",
update = anim_contour_curves
)
spline_type : EnumProperty(
items=(
('POLY', "Poly", "Generate Poly curves"),
('NURBS', "NURBS", "Generate NURBS curves")
),
default='POLY',
name="Spline type",
update = anim_contour_curves
)
contour_attribute : StringProperty(
name="Contour Attribute", default='',
description="Vertex > Float attribute used for contouring",
update = anim_contour_curves
)
class tissue_weight_contour_curves_pattern(Operator):
bl_idname = "object.tissue_weight_contour_curves_pattern"
bl_label = "Contour Curves"
bl_description = ("")
bl_options = {'REGISTER', 'UNDO'}
object : StringProperty(
name="Object",
description="Source object",
default = ""
)
use_modifiers : BoolProperty(
name="Use Modifiers", default=True,
description="Apply all the modifiers"
)
variable_bevel : BoolProperty(
name="Variable Bevel", default=False,
description="Variable Bevel"
)
min_value : FloatProperty(
name="Offset Value", default=0.,
description="Offset contouring values"
)
range_value : FloatProperty(
name="Range Values", default=100,
description="Maximum range of contouring values"
)
n_curves : IntProperty(
name="Curves", default=1000, soft_min=1, soft_max=200,
description="Number of Contour Curves"
)
min_rad = 1
max_rad = 1
in_displace : FloatProperty(
name="Displace A", default=0, soft_min=-10, soft_max=10,
description="Pattern displace strength"
)
out_displace : FloatProperty(
name="Displace B", default=2, soft_min=-10, soft_max=10,
description="Pattern displace strength"
)
in_steps : IntProperty(
name="Steps A", default=1, min=0, soft_max=10,
description="Number of layers to move inwards"
)
out_steps : IntProperty(
name="Steps B", default=1, min=0, soft_max=10,
description="Number of layers to move outwards"
)
displace_x : BoolProperty(
name="Use X", default=True,
description="Displace along X axis"
)
displace_y : BoolProperty(
name="Use Y", default=True,
description="Displace along Y axis"
)
displace_z : BoolProperty(
name="Use Z", default=True,
description="Displace along Z axis"
)
merge : BoolProperty(
name="Merge Vertices", default=True,
description="Merge points"
)
merge_thres : FloatProperty(
name="Merge Threshold", default=0.01, min=0, soft_max=1,
description="Minimum Curve Radius"
)
bevel_depth : FloatProperty(
name="Bevel Depth", default=0, min=0, soft_max=1,
description=""
)
min_bevel_depth : FloatProperty(
name="Min Bevel Depth", default=0.05, min=0, soft_max=1,
description=""
)
max_bevel_depth : FloatProperty(
name="Max Bevel Depth", default=0.20, min=0, soft_max=1,
description=""
)
remove_open_curves : BoolProperty(
name="Remove Open Curves", default=False,
description="Remove Open Curves"
)
vertex_group_pattern : StringProperty(
name="Displace", default='',
description="Vertex Group used for pattern displace"
)
vertex_group_bevel : StringProperty(
name="Bevel", default='',
description="Variable Bevel depth"
)
object_name : StringProperty(
name="Active Object", default='',
description=""
)
contour_attribute : StringProperty(
name="Contour Attribute", default='',
description="Vertex > Float attribute used for contouring"
)
try: vg_name = bpy.context.object.vertex_groups.active.name
except: vg_name = ''
vertex_group_contour : StringProperty(
name="Contour", default=vg_name,
description="Vertex Group used for contouring"
)
clean_distance : FloatProperty(
name="Clean Distance", default=0.005, min=0, soft_max=10,
description="Remove short segments"
)
spiralized: BoolProperty(
name='Spiralized', default=False,
description='Create a Spiral Contour. Works better with dense meshes.'
)
spiral_axis: FloatVectorProperty(
name="Spiral Axis", default=(0,0,1),
description="Axis of the Spiral (in local coordinates)"
)
spiral_rotation : FloatProperty(
name="Spiral Rotation", default=0, min=0, max=2*pi,
description=""
)
bool_hold : BoolProperty(
name="Hold",
description="Wait...",
default=False
)
contour_mode : EnumProperty(
items=(
('VECTOR', "Vector", "Orient the Contour to a given vector starting from the origin of the object"),
('OBJECT', "Object", "Orient the Contour to a target object's Z"),
('WEIGHT', "Weight", "Contour based on a Vertex Group"),
('ATTRIBUTE', "Attribute", "Contour based on an Attribute (Vertex > Float)"),
('GEODESIC', "Geodesic Distance", "Contour based on the geodesic distance from the chosen vertices"),
('TOPOLOGY', "Topology Distance", "Contour based on the topology distance from the chosen vertices")
),
default='VECTOR',
name="Mode used for the Contour Curves"
)
contour_vector : FloatVectorProperty(
name='Vector', description='Constant Vector', default=(0.0, 0.0, 1.0)
)
contour_vector_object : StringProperty(
name="Object",
description="Target object",
default = ""
)
contour_offset : FloatProperty(
name="Offset", default=0.05, min=0.000001, soft_min=0.01, soft_max=10,
description="Contour offset along the Vector"
)
seeds_mode : EnumProperty(
items=(
('BOUND', "Boundary Edges", "Compute the distance starting from the boundary edges"),
('SHARP', "Sharp Edges", "Compute the distance starting from the sharp edges"),
('WEIGHT', "Weight", "Compute the distance starting from the selected vertex group")
),
default='BOUND',
name="Seeds used for computing the distance"
)
vertex_group_seed : StringProperty(
name="Seeds", default=vg_name,
description="Vertex Group used for computing the distance"
)
spline_type : EnumProperty(
items=(
('POLY', "Poly", "Generate Poly curves"),
('NURBS', "NURBS", "Generate NURBS curves")
),
default='POLY',
name="Spline type"
)
def invoke(self, context, event):
self.object = context.object.name
return context.window_manager.invoke_props_dialog(self, width=250)
def draw(self, context):
ob = context.object
ob0 = bpy.data.objects[self.object]
if self.contour_mode == 'WEIGHT':
try:
if self.vertex_group_contour not in [vg.name for vg in ob.vertex_groups]:
self.vertex_group_contour = ob.vertex_groups.active.name
except:
self.contour_mode == 'VECTOR'
if not self.bool_hold:
self.object = ob.name
self.bool_hold = True
layout = self.layout
col = layout.column(align=True)
col.prop(self, "use_modifiers")
col.label(text="Contour Curves:")
row = col.row()
row.prop(self, "spline_type", icon='NONE', expand=True,
slider=True, toggle=False, icon_only=False, event=False,
full_event=False, emboss=True, index=-1)
col.separator()
col.prop(self, "contour_mode", text="Mode")
if self.contour_mode == 'VECTOR':
row = col.row()
row.prop(self,'contour_vector')
elif self.contour_mode == 'WEIGHT':
col.prop_search(self, 'vertex_group_contour', ob, "vertex_groups", text='Group')
elif self.contour_mode == 'ATTRIBUTE':
col.prop_search(self, 'contour_attribute', ob0.data, "attributes", text='Attribute')
is_attribute = True
if self.contour_attribute in ob0.data.attributes:
attr = ob0.data.attributes[self.contour_attribute]
is_attribute = attr.data_type == 'FLOAT' and attr.domain == 'POINT'
else:
is_attribute = False
if not is_attribute:
col.label(text="Please select a (Vertex > Float) Attribute for contouring.", icon='ERROR')
elif self.contour_mode in ('TOPOLOGY','GEODESIC'):
col.prop(self, "seeds_mode", text="Seeds")
if self.seeds_mode == 'WEIGHT':
col.prop_search(self, 'vertex_group_seed', ob, "vertex_groups", text='Group')
elif self.contour_mode == 'OBJECT':
col.prop_search(self, "contour_vector_object", context.scene, "objects", text='Object')
col.separator()
if self.contour_mode == 'OBJECT':
col.prop(self,'contour_offset')
col.prop(self,'n_curves', text='Max Curves')
elif self.contour_mode in ('VECTOR', 'GEODESIC', 'ATTRIBUTE'):
col.prop(self,'contour_offset')
row = col.row(align=True)
row.prop(self,'min_value')
row.prop(self,'range_value')
col.prop(self,'n_curves', text='Max Curves')
elif self.contour_mode in ('TOPOLOGY', 'WEIGHT'):
row = col.row(align=True)
row.prop(self,'min_value')
row.prop(self,'range_value')
col.prop(self,'n_curves')
col.separator()
col.label(text='Curves Bevel:')
col.prop(self,'variable_bevel')
row = col.row(align=True)
row.prop(self,'min_bevel_depth')
row.prop(self,'max_bevel_depth')
row2 = col.row(align=True)
row2.prop_search(self, 'vertex_group_bevel', ob, "vertex_groups", text='')
if not self.variable_bevel:
row.enabled = row2.enabled = False
col.separator()
col.label(text="Displace Pattern:")
col.prop_search(self, 'vertex_group_pattern', ob, "vertex_groups", text='')
if self.vertex_group_pattern != '':
col.separator()
row = col.row(align=True)
row.prop(self,'in_steps')
row.prop(self,'out_steps')
row = col.row(align=True)
row.prop(self,'in_displace')
row.prop(self,'out_displace')
col.separator()
row = col.row(align=True)
row.label(text="Axis")
row.prop(self,'displace_x', text="X", toggle=1)
row.prop(self,'displace_y', text="Y", toggle=1)
row.prop(self,'displace_z', text="Z", toggle=1)
col.separator()
col.label(text='Clean Curves:')
col.prop(self,'clean_distance')
col.prop(self,'remove_open_curves')
def execute(self, context):
ob0 = bpy.context.object
self.object_name = "Contour Curves"
# Check if existing object with same name
names = [o.name for o in bpy.data.objects]
if self.object_name in names:
count_name = 1
while True:
test_name = self.object_name + '.{:03d}'.format(count_name)
if not (test_name in names):
self.object_name = test_name
break
count_name += 1
if bpy.ops.object.select_all.poll():
bpy.ops.object.select_all(action='DESELECT')
bpy.ops.object.mode_set(mode='OBJECT')
bool_update = False
if context.object == ob0:
auto_layer_collection()
curve = bpy.data.curves.new(self.object_name,'CURVE')
new_ob = bpy.data.objects.new(self.object_name,curve)
bpy.context.collection.objects.link(new_ob)
bpy.context.view_layer.objects.active = new_ob
if bpy.ops.object.select_all.poll():
bpy.ops.object.select_all(action='DESELECT')
bpy.ops.object.mode_set(mode='OBJECT')
new_ob.select_set(True)
else:
new_ob = context.object
bool_update = True
# Store parameters
props = new_ob.tissue_contour_curves
new_ob.tissue.bool_hold = True
if self.object in bpy.data.objects.keys():
props.object = bpy.data.objects[self.object]
props.use_modifiers = self.use_modifiers
props.variable_bevel = self.variable_bevel
props.min_value = self.min_value
props.range_value = self.range_value
props.n_curves = self.n_curves
props.in_displace = self.in_displace
props.out_displace = self.out_displace
props.in_steps = self.in_steps
props.out_steps = self.out_steps
props.displace_x = self.displace_x
props.displace_y = self.displace_y
props.displace_z = self.displace_z
props.merge = self.merge
props.merge_thres = self.merge_thres
props.bevel_depth = self.bevel_depth
props.min_bevel_depth = self.min_bevel_depth
props.max_bevel_depth = self.max_bevel_depth
props.remove_open_curves = self.remove_open_curves
props.vertex_group_pattern = self.vertex_group_pattern
props.vertex_group_bevel = self.vertex_group_bevel
props.object_name = self.object_name
props.vertex_group_contour = self.vertex_group_contour
props.clean_distance = self.clean_distance
props.spiralized = self.spiralized
props.spiral_axis = self.spiral_axis
props.spiral_rotation = self.spiral_rotation
props.contour_mode = self.contour_mode
if self.contour_vector_object in bpy.data.objects.keys():
props.contour_vector_object = bpy.data.objects[self.contour_vector_object]
props.contour_vector = self.contour_vector
props.contour_offset = self.contour_offset
props.seeds_mode = self.seeds_mode
props.vertex_group_seed = self.vertex_group_seed
props.spline_type = self.spline_type
props.contour_attribute = self.contour_attribute
new_ob.tissue.bool_hold = False
new_ob.tissue.tissue_type = 'CONTOUR_CURVES'
try: bpy.ops.object.tissue_update_contour_curves()
except RuntimeError as e:
print("no update")
bpy.data.objects.remove(new_ob)
remove_temp_objects()
self.report({'ERROR'}, str(e))
return {'CANCELLED'}
if not bool_update:
self.object_name = new_ob.name
#self.working_on = self.object_name
new_ob.location = ob0.location
new_ob.matrix_world = ob0.matrix_world
# Assign collection of the base object
old_coll = new_ob.users_collection
if old_coll != ob0.users_collection:
for c in old_coll:
c.objects.unlink(new_ob)
for c in ob0.users_collection:
c.objects.link(new_ob)
context.view_layer.objects.active = new_ob
return {'FINISHED'}
class tissue_update_contour_curves(Operator):
bl_idname = "object.tissue_update_contour_curves"
bl_label = "Update Contour Curves"
bl_description = ("Update a previously generated Contour Curves object")
bl_options = {'REGISTER', 'UNDO'}
def execute(self, context):
ob = context.object
props = ob.tissue_contour_curves
_ob0 = props.object
n_curves = props.n_curves
tt0 = time.time()
tt1 = time.time()
tissue_time(None,'Tissue: Contour Curves of "{}"...'.format(ob.name), levels=0)
ob0 = convert_object_to_mesh(_ob0, apply_modifiers=props.use_modifiers)
ob0.name = "_tissue_tmp_ob0"
me0 = ob0.data
# generate new bmesh
bm = bmesh.new()
bm.from_mesh(me0)
n_verts = len(bm.verts)
vertices, normals = get_vertices_and_normals_numpy(me0)
if props.contour_mode == 'OBJECT':
try:
vec_ob = props.contour_vector_object
vec_ob_name = vec_ob.name
except:
bm.free()
bpy.data.objects.remove(ob0)
self.report({'ERROR'}, "Please select an target Object")
return {'CANCELLED'}
tt1 = tissue_time(tt1, "Load objects", levels=1)
# store weight values
if props.contour_mode in ('VECTOR','OBJECT'):
ob0_matrix = np.matrix(ob0.matrix_world.to_3x3().transposed())
global_verts = np.matmul(vertices,ob0_matrix)
global_verts += np.array(ob0.matrix_world.translation)
if props.contour_mode == 'OBJECT' and props.contour_vector_object:
vec_ob = props.contour_vector_object
global_verts -= np.array(vec_ob.matrix_world.translation)
vec_ob_matrix = np.matrix(vec_ob.matrix_world.to_3x3().inverted().transposed())
global_verts = np.matmul(global_verts,vec_ob_matrix)
weight = global_verts[:,2].A1
elif props.contour_mode == 'VECTOR':
vec = np.array(props.contour_vector)
vec_len = np.linalg.norm(vec)
if vec_len == 0:
vec = np.array((0,0,1))
vec_len = 1
else:
vec /= vec_len
vec_len = 1
global_verts = global_verts.A
projected_verts = global_verts * vec
projected_verts = np.sum(projected_verts,axis=1)[:,np.newaxis]
weight = projected_verts.reshape((-1))
elif props.contour_mode == 'WEIGHT':
try:
weight = get_weight_numpy(ob0.vertex_groups[props.vertex_group_contour], len(me0.vertices))
except:
bm.free()
bpy.data.objects.remove(ob0)
self.report({'ERROR'}, "Please select a Vertex Group for contouring")
return {'CANCELLED'}
elif props.contour_mode == 'ATTRIBUTE':
if props.contour_attribute in me0.attributes:
weight = [0]*n_verts
me0.attributes[props.contour_attribute].data.foreach_get('value',weight)
weight = np.array(weight)
else:
bm.free()
bpy.data.objects.remove(ob0)
self.report({'ERROR'}, "Please select a (Vertex > Float) Attribute for contouring")
return {'CANCELLED'}
elif props.contour_mode in ('GEODESIC','TOPOLOGY'):
cancel = False
weight = [None]*n_verts
seed_verts = []
bm.verts.ensure_lookup_table()
if props.seeds_mode == 'BOUND':
for v in bm.verts:
if v.is_boundary:
seed_verts.append(v)
weight[v.index] = 0
if props.seeds_mode == 'SHARP':
for e, bme in zip(me0.edges, bm.edges):
if e.use_edge_sharp:
seed_verts.append(bme.verts[0])
seed_verts.append(bme.verts[1])
seed_verts = list(set(seed_verts))
if len(seed_verts) == 0: cancel = True
for i in [v.index for v in seed_verts]:
weight[i] = 0
if props.seeds_mode == 'WEIGHT':
try:
seeds = get_weight_numpy(ob0.vertex_groups[props.vertex_group_seed], len(me0.vertices))
except:
bm.free()
bpy.data.objects.remove(ob0)
self.report({'ERROR'}, "Please select a Vertex Group as seed")
return {'CANCELLED'}
for i,v in enumerate(bm.verts):
if seeds[i]>0.999999:
seed_verts.append(v)
weight[i] = 0
if cancel or len(seed_verts)==0:
bm.free()
bpy.data.objects.remove(ob0)
self.report({'ERROR'}, "No seed vertices found")
return {'CANCELLED'}
weight = fill_neighbors_attribute(seed_verts, weight, props.contour_mode)
weight = np.array(weight)
print(weight[weight==None])
weight[weight==None] = 0
print(weight[weight==None])
try:
pattern_weight = get_weight_numpy(ob0.vertex_groups[props.vertex_group_pattern], len(me0.vertices))
except:
#self.report({'WARNING'}, "There is no Vertex Group assigned to the pattern displace")
pattern_weight = np.zeros(len(me0.vertices))
weight_bevel = False
if props.variable_bevel:
try:
bevel_weight = get_weight_numpy(ob0.vertex_groups[props.vertex_group_bevel], len(me0.vertices))
weight_bevel = True
except:
bevel_weight = np.ones(len(me0.vertices))
else:
bevel_weight = np.ones(len(me0.vertices))
total_verts = np.zeros((0,3))
total_radii = np.zeros((0,1))
total_edges_index = np.zeros((0)).astype('int')
total_segments = []# np.array([])
radius = []
tt1 = tissue_time(tt1, "Compute values", levels=1)
# start iterate contours levels
filtered_edges = get_edges_id_numpy(me0)
min_value = props.min_value
max_value = props.min_value + props.range_value
if props.contour_mode in ('VECTOR','OBJECT','GEODESIC','ATTRIBUTE'):
delta_iso = props.contour_offset
n_curves = min(int((np.max(weight)-props.min_value)/delta_iso)+1, props.n_curves)
else:
if n_curves == 1:
delta_iso = props.range_value/2
else:
delta_iso = props.range_value/(n_curves-1)
if props.contour_mode == 'TOPOLOGY':
weight = weight/np.max(weight)
if False:
edges_verts = get_attribute_numpy(me0.edges,"vertices",mult=2).astype('int')
edges_vec = vertices[edges_verts[:,0]]-vertices[edges_verts[:,1]]
#edges_vec = global_verts[edges_verts[:,0]]-global_verts[edges_verts[:,1]]
edges_length = np.linalg.norm(edges_vec,axis=1)
edges_vec /= edges_length[:,np.newaxis]
edges_dw = np.abs(weight[edges_verts[:,0]]-weight[edges_verts[:,1]])
edges_bevel = delta_iso*edges_length/edges_dw/2*0 + 1
'''
# numpy method
faces_n_verts = get_attribute_numpy(me0.polygons, attribute='loop_total').astype('int')
faces_verts = get_attribute_numpy(me0.polygons, attribute='vertices', size=np.sum(faces_n_verts)).astype('int')
faces_weight = weight[faces_verts]
faces_weight = np.split(faces_weight, np.cumsum(faces_n_verts)[:-1])
'''
faces_weight = [np.array([weight[v] for v in p.vertices]) for p in me0.polygons]
try:
fw_min = np.min(faces_weight, axis=1)
fw_max = np.max(faces_weight, axis=1)
except:
# necessary for irregular meshes
fw_min = np.array([min(fw) for fw in faces_weight])
fw_max = np.array([max(fw) for fw in faces_weight])
bm_faces = np.array(bm.faces)
tt1 = tissue_time(tt1, "Compute face values", levels=1)
for c in range(n_curves):
if delta_iso:
iso_val = c*delta_iso + min_value
else:
iso_val = min_value + range_value/2
if iso_val > max_value: break
# remove passed faces
bool_mask = iso_val <= fw_max
bm_faces = bm_faces[bool_mask]
fw_min = fw_min[bool_mask]
fw_max = fw_max[bool_mask]
# mask faces
bool_mask = fw_min <= iso_val
faces_mask = bm_faces[bool_mask]
count = len(total_verts)
if not weight_bevel and props.variable_bevel:
bevel_weight = np.full(n_verts, c/n_curves)
new_filtered_edges, edges_index, verts, bevel = contour_edges_pattern(props, c, len(total_verts), iso_val, vertices, normals, filtered_edges, weight, pattern_weight, bevel_weight)
#bevel = edges_bevel[edges_index][:,np.newaxis]
if len(edges_index) > 0:
if props.variable_bevel and props.max_bevel_depth != props.min_bevel_depth and False:
#min_radius = min(props.min_bevel_depth, props.max_bevel_depth)
#max_radius = max(props.min_bevel_depth, props.max_bevel_depth)
min_radius = props.min_bevel_depth
max_radius = props.max_bevel_depth
min_radius = min_radius / max(0.0001,max_radius)
radii = min_radius + bevel*(1 - min_radius)
else:
radii = bevel
else:
continue
if verts[0,0] == None: continue
else: filtered_edges = new_filtered_edges
edges_id = {}
for i, id in enumerate(edges_index): edges_id[id] = i + count
if len(verts) == 0: continue
# finding segments
segments = []
for f in faces_mask:
seg = []
for e in f.edges:
try:
#seg.append(new_ids[np.where(edges_index == e.index)[0][0]])
seg.append(edges_id[e.index])
if len(seg) == 2:
segments.append(seg)
seg = []
except: pass
total_segments = total_segments + segments
total_verts = np.concatenate((total_verts, verts))
total_radii = np.concatenate((total_radii, radii))
total_edges_index = np.concatenate((total_edges_index, edges_index))
tt1 = tissue_time(tt1, "Compute curves", levels=1)
if len(total_segments) > 0:
ordered_points, ordered_points_edge_id = find_curves_attribute(total_segments, len(total_verts), total_edges_index)
total_tangents = np.zeros((len(total_verts),3))
for curve in ordered_points:
np_curve = np.array(curve).astype('int')
curve_pts = np.array(total_verts[np_curve], dtype=np.float64)
tangents = np.roll(curve_pts,1) - np.roll(curve_pts,-1)
tangents /= np.linalg.norm(tangents,axis=1)[:,np.newaxis]
total_tangents[curve] = tangents
step_time = timeit.default_timer()
ob.data.splines.clear()
if props.variable_bevel:# and not weight_bevel:
total_radii = np.interp(total_radii, (total_radii.min(), total_radii.max()), (props.min_bevel_depth, props.max_bevel_depth))
ob.data = curve_from_pydata(total_verts, total_radii, ordered_points, ob0.name + '_ContourCurves', props.remove_open_curves, merge_distance=props.clean_distance, only_data=True, curve=ob.data, spline_type=props.spline_type)
#context.view_layer.objects.active = crv
if props.variable_bevel:
if not weight_bevel:
ob.data.bevel_depth = 1
else:
ob.data.bevel_depth = max(props.max_bevel_depth, props.min_bevel_depth)
tt1 = tissue_time(tt1, "Store curves data", levels=1)
else:
ob.data.splines.clear()
pass
bm.free()
for o in bpy.data.objects:
if '_tissue_tmp_' in o.name:
bpy.data.objects.remove(o)
tt0 = tissue_time(tt0, "Contour Curves", levels=0)
return {'FINISHED'}
class TISSUE_PT_contour_curves(Panel):
bl_space_type = 'PROPERTIES'
bl_region_type = 'WINDOW'
bl_context = "data"
bl_label = "Tissue Contour Curves"
bl_options = {'DEFAULT_CLOSED'}
@classmethod
def poll(cls, context):
try:
#bool_curve = context.object.tissue_to_curve.object != None
ob = context.object
return ob.type == 'CURVE' and ob.tissue.tissue_type == 'CONTOUR_CURVES'
except:
return False
def draw(self, context):
ob = context.object
props = ob.tissue_contour_curves
ob0 = bpy.data.objects[props.object.name]
layout = self.layout
#layout.use_property_split = True
#layout.use_property_decorate = False
col = layout.column(align=True)
row = col.row(align=True)
#col.operator("object.tissue_update_convert_to_curve", icon='FILE_REFRESH', text='Refresh')
row.operator("object.tissue_update_tessellate_deps", icon='FILE_REFRESH', text='Refresh') ####
lock_icon = 'LOCKED' if ob.tissue.bool_lock else 'UNLOCKED'
#lock_icon = 'PINNED' if props.bool_lock else 'UNPINNED'
deps_icon = 'LINKED' if ob.tissue.bool_dependencies else 'UNLINKED'
row.prop(ob.tissue, "bool_dependencies", text="", icon=deps_icon)
row.prop(ob.tissue, "bool_lock", text="", icon=lock_icon)
col2 = row.column(align=True)
col2.prop(ob.tissue, "bool_run", text="",icon='TIME')
col2.enabled = not ob.tissue.bool_lock
col2 = row.column(align=True)
col2.operator("mesh.tissue_remove", text="", icon='X')
col.separator()
row = col.row(align=True)
row.prop_search(props, "object", context.scene, "objects", text="")
row.prop(props, "use_modifiers", icon='MODIFIER', text='')
col.separator()
col.label(text="Contour Curves:")
row = col.row()
row.prop(props, "spline_type", icon='NONE', expand=True,
slider=True, toggle=False, icon_only=False, event=False,
full_event=False, emboss=True, index=-1)
col.separator()
col.prop(props, "contour_mode", text="Mode")
if props.contour_mode == 'VECTOR':
row = col.row()
row.prop(props,'contour_vector')
elif props.contour_mode == 'WEIGHT':
col.prop_search(props, 'vertex_group_contour', ob0, "vertex_groups", text='Group')
elif props.contour_mode == 'ATTRIBUTE':
col.prop_search(props, 'contour_attribute', ob0.data, "attributes", text='Attribute')
is_attribute = True
if props.contour_attribute in ob0.data.attributes:
attr = ob0.data.attributes[props.contour_attribute]
is_attribute = attr.data_type == 'FLOAT' and attr.domain == 'POINT'
else:
is_attribute = False
if not is_attribute:
col.label(text="Please select a (Vertex > Float) Attribute for contouring.", icon='ERROR')
elif props.contour_mode in ('TOPOLOGY','GEODESIC'):
col.prop(props, "seeds_mode", text="Seeds")
if props.seeds_mode == 'WEIGHT':
col.prop_search(props, 'vertex_group_seed', ob0, "vertex_groups", text='Group')
elif props.contour_mode == 'OBJECT':
col.prop_search(props, "contour_vector_object", context.scene, "objects", text='Object')
col.separator()
if props.contour_mode == 'OBJECT':
col.prop(props,'contour_offset')
col.prop(props,'n_curves', text='Max Curves')
elif props.contour_mode in ('VECTOR','GEODESIC','ATTRIBUTE'):
col.prop(props,'contour_offset')
row = col.row(align=True)
row.prop(props,'min_value')
row.prop(props,'range_value')
col.prop(props,'n_curves', text='Max Curves')
elif props.contour_mode in ('TOPOLOGY', 'WEIGHT'):
row = col.row(align=True)
row.prop(props,'min_value')
row.prop(props,'range_value')
col.prop(props,'n_curves')
col.separator()
col.label(text='Curves Bevel:')
col.prop(props,'variable_bevel')
row = col.row(align=True)
row.prop(props,'min_bevel_depth')
row.prop(props,'max_bevel_depth')
row2 = col.row(align=True)
row2.prop_search(props, 'vertex_group_bevel', ob0, "vertex_groups", text='')
if not props.variable_bevel:
row.enabled = row2.enabled = False
col.separator()
col.label(text="Displace Pattern:")
col.prop_search(props, 'vertex_group_pattern', ob0, "vertex_groups", text='')
if props.vertex_group_pattern != '':
col.separator()
row = col.row(align=True)
row.prop(props,'in_steps')
row.prop(props,'out_steps')
row = col.row(align=True)
row.prop(props,'in_displace')
row.prop(props,'out_displace')
col.separator()
row = col.row(align=True)
row.label(text="Axis")
row.prop(props,'displace_x', text="X", toggle=1)
row.prop(props,'displace_y', text="Y", toggle=1)
row.prop(props,'displace_z', text="Z", toggle=1)
col.separator()
row=col.row(align=True)
col.label(text='Clean Curves:')
col.prop(props,'clean_distance')
col.prop(props,'remove_open_curves')
def contour_edges_pattern(operator, c, verts_count, iso_val, vertices, normals, filtered_edges, weight, pattern_weight, bevel_weight):
# vertices indexes
id0 = filtered_edges[:,0]
id1 = filtered_edges[:,1]
# vertices weight
w0 = weight[id0]
w1 = weight[id1]
# weight condition
bool_w0 = w0 <= iso_val
bool_w1 = w1 <= iso_val
# mask all edges that have one weight value below the iso value
mask_new_verts = np.logical_xor(bool_w0, bool_w1)
if not mask_new_verts.any():
return np.array([[None]]), {}, np.array([[None]]), np.array([[None]])
id0 = id0[mask_new_verts]
id1 = id1[mask_new_verts]
# filter arrays
v0 = vertices[id0]
v1 = vertices[id1]
n0 = normals[id0]
n1 = normals[id1]
w0 = w0[mask_new_verts]
w1 = w1[mask_new_verts]
pattern0 = pattern_weight[id0]
pattern1 = pattern_weight[id1]
try:
bevel0 = bevel_weight[id0]
bevel1 = bevel_weight[id1]
except: pass
param = (iso_val - w0)/(w1-w0)
if c%(operator.in_steps + operator.out_steps) < operator.in_steps:
mult = operator.in_displace
else:
mult = operator.out_displace
pattern_value = pattern0 + (pattern1-pattern0)*param
try:
bevel_value = bevel0 + (bevel1-bevel0)*param
bevel_value = np.expand_dims(bevel_value,axis=1)
except: bevel_value = None
disp = pattern_value * mult
param = np.expand_dims(param,axis=1)
disp = np.expand_dims(disp,axis=1)
verts = v0 + (v1-v0)*param
norm = n0 + (n1-n0)*param
axis = np.array((operator.displace_x, operator.displace_y, operator.displace_z))
norm[:] *= axis
verts = verts + norm*disp
# indexes of edges with new vertices
edges_index = filtered_edges[mask_new_verts][:,2]
# remove all edges completely below the iso value
#mask_edges = np.logical_not(np.logical_and(bool_w0, bool_w1))
#filtered_edges = filtered_edges[mask_edges]
return filtered_edges.astype("int"), edges_index, verts, bevel_value