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__init__.py
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__init__.py
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bl_info = {
"name": "SwiftBlock",
"author": "Karl-Johan Nogenmyr, Mikko Folkersma, Turo Valikangas",
"version": (0, 2),
"blender": (2, 7, 7),
"location": "View_3D > Object > SwiftBlock",
"description": "Writes block geometry as blockMeshDict file",
"warning": "",
"wiki_url": "http://openfoamwiki.net/index.php/SwiftBlock",
"tracker_url": "",
"category": "OpenFOAM"}
import bpy
import bmesh
import time
import importlib
from . import blockBuilder
importlib.reload(blockBuilder)
from . import blender_utils
importlib.reload(blender_utils)
from . import utils
importlib.reload(utils)
from mathutils import Vector
# Create the swiftBlock panel
class SwiftBlockPanel(bpy.types.Panel):
bl_space_type = "VIEW_3D"
bl_region_type = "TOOLS"
bl_category = "SwiftBlock"
bl_label = "SwiftBlock"
def draw(self, context):
scn = context.scene
ob = context.active_object
if not ob:
return
box = self.layout.column(align=True)
if ob.ispreviewObject:
box = self.layout.box()
box.operator("activate.blocking", text="Activate blocking").hide = True
elif ob.blocking_object and ob.name != ob.blocking_object:
box = self.layout.box()
box.operator("activate.blocking", text="Activate blocking").hide = False
elif not ob.isblockingObject and ob.type == 'MESH':
box.operator("init.blocking", text="Initialize blocking")
elif context.active_object and bpy.context.active_object.mode == "EDIT":
box = self.layout.box()
box.prop(ob,"Mesher")
split = box.split(percentage=0.5)
split.operator("build.blocking", text="Build Blocking")
split.prop(ob, "useNumba")
split = box.split()
split.operator("preview.mesh", text="Preview mesh")
split = split.split()
split.operator("write.mesh", text="Write mesh")
box.template_list("block_items", "", ob, "blocks", ob, "block_index", rows=2)
box.operator("get.block")
box = self.layout.box()
box.label("Edge mapping")
# box.prop(ob, "MappingType")
split = box.split()
split.prop(ob, "Cells")
# split.operator('set.cellsize')
if ob.Mesher == "blockMeshMG":
split = box.split()
col = split.column()
col.label("Start")
col.prop(ob, "x1")
col.prop(ob, "r1")
col = split.column()
col.label("End")
col.prop(ob, "x2")
col.prop(ob, "r2")
elif ob.Mesher == "blockMeshBodyFit":
split.prop(ob, "Ratio")
split = box.split()
split.operator("set.edgemapping")
split.operator("get.edge")
split = box.split()
split.operator("select.parallel")
split.operator("flip.edges")
if 'Edge_directions' in bpy.data.objects:
box.operator("draw.directions",'Show edge directions',emboss=False,icon="CHECKBOX_HLT").show=False
else:
box.operator("draw.directions",'Show edge directions',emboss=False,icon="CHECKBOX_DEHLT").show=True
box = self.layout.box()
box.label("Projections")
split = box.split()
split.prop(ob, "ProjectionObject","",icon = "OUTLINER_OB_SURFACE")
split.operator("add.projections", text="Add")
split.operator("remove.projections", text="Remove")
if ob.Mesher == "blockMeshBodyFit":
box.prop(ob, 'SearchLength')
box.template_list("projection_items", "", ob, "projections", ob, "projection_index", rows=2)
if ob.Autosnap:
split = box.split(percentage=0.1)
split.prop(ob, "Autosnap", "")
split = split.split(percentage=0.9)
split.prop(ob, "EdgeSnapObject",'')
if ob.EdgeSnapObject != "":
o = split.operator("activate.object","",emboss=False,icon="OBJECT_DATA")
o.ob = ob.EdgeSnapObject
else:
box.prop(ob, "Autosnap")
box.prop(ob,"ShowInternalFaces")
box = self.layout.box()
box.label('Boundary conditions')
row = box.row()
row.template_list("boundary_items", "", ob.data, "materials", ob, "boundary_index", rows=2)
col = row.column(align=True)
col.operator("boundaries.action", icon='ZOOMIN', text="").action = 'ADD'
col.operator("boundaries.action", icon='ZOOMOUT', text="").action = 'REMOVE'
row = self.layout.row()
row.operator('boundaries.action', 'Assign').action = 'ASSIGN'
def initSwiftBlockProperties():
bpy.types.Object.isblockingObject = bpy.props.BoolProperty(default=False)
bpy.types.Object.blocking_object = bpy.props.StringProperty(default="")
bpy.types.Object.ispreviewObject = bpy.props.BoolProperty(default=False)
bpy.types.Object.preview_object = bpy.props.StringProperty(default='')
bpy.types.Object.direction_object = bpy.props.StringProperty(default="")
bpy.types.Object.isdirectionObject = bpy.props.BoolProperty(default=False)
bpy.types.Object.Mesher = bpy.props.EnumProperty(name="",
items = (("blockMeshMG","blockMeshMG","",1),
("blockMeshBodyFit","blockMeshBodyFit","",2),),update=changeMesher)
# Blocking properties
bpy.types.Object.blocks = \
bpy.props.CollectionProperty(type=BlockProperty)
bpy.types.Object.block_index = bpy.props.IntProperty()
bpy.types.Object.useNumba = bpy.props.BoolProperty(default=False, name="Use Numba?")
# Projection/snapping properties
bpy.types.Object.projections = \
bpy.props.CollectionProperty(type=ProjectionProperty)
bpy.types.Object.projection_index = bpy.props.IntProperty()
bpy.types.Object.Autosnap = bpy.props.BoolProperty(name="Automatic edge projection",
description = "Snap lines automatically from geometry?")
bpy.types.Object.ShowInternalFaces = bpy.props.BoolProperty(name="Show Internal Faces",
default=False, update=showInternalFaces)
bpy.types.Object.ProjectionObject = bpy.props.EnumProperty(name="Projection object",
items=getProjectionObjects, description = "Projection object")
bpy.types.Object.EdgeSnapObject = bpy.props.EnumProperty(name="Object",
items=getProjectionObjects, description = "Projection object")
# Mapping properties
bpy.types.Object.MappingType = bpy.props.EnumProperty(name="",
items = (("Geometric MG","Geometric MG","",1),
("Geometric","Geometric","",2),))
# bpy.types.Object.Dx = bpy.props.FloatProperty(name="dx", default=1, update=setCellSize, min=0)
bpy.types.Object.Cells = bpy.props.IntProperty(name="Cells", default=10, min=1)
bpy.types.Object.x1 = bpy.props.FloatProperty(name="x1", default=0, description="First cell size", min=0)
bpy.types.Object.x2 = bpy.props.FloatProperty(name="x2", default=0, description="Last cell size", min=0)
bpy.types.Object.r1 = bpy.props.FloatProperty(name="r1", default=1.2, description="First boundary layer geometric ratio", min=1.0)
bpy.types.Object.r2 = bpy.props.FloatProperty(name="r2", default=1.2, description="Last boundary layer geometric ratio", min=1.0)
bpy.types.Object.Ratio = bpy.props.FloatProperty(name="Ratio", default=1.0, description="Ratio of first cell to last cell", min=0)
bpy.types.Object.SearchLength = bpy.props.FloatProperty(name="Search Length", default=1.0, description="", min=0)
# bpy.types.Object.ShowEdgeDirections = bpy.props.BoolProperty(name="Show directions", default=True, update = updateEdgeDirections, description="Show edge directions?")
# Boundary condition properties
bpy.types.Object.bcTypeEnum = bpy.props.EnumProperty(
items = [('wall', 'wall', 'Defines the patch as wall'),
('patch', 'patch', 'Defines the patch as generic patch'),
('empty', 'empty', 'Defines the patch as empty'),
('symmetry', 'symmetry', 'Defines the patch as symmetry'),
],
name = "Patch type")
bpy.types.Object.patchName = bpy.props.StringProperty(
name = "Patch name",
description = "Specify name of patch",
default = "defaultName")
bpy.types.Object.boundary_index = bpy.props.IntProperty(update=selectActiveBoundary)
bpy.types.Material.boundary_type = bpy.props.EnumProperty(
items = [('wall', 'wall',''),
('patch', 'patch',''),
('empty', 'empty',''),
('symmetry', 'symmetry',''),
],
name = "Patch type")
# Edge group properties
bpy.types.Object.edge_groups = \
bpy.props.CollectionProperty(type=EdgeGroupProperty)
bpy.types.Object.EdgeGroupName = bpy.props.StringProperty(
name = "Name",default="group name",
description = "Specify name of edge group")
# For the lists in GUI
class block_items(bpy.types.UIList):
def draw_item(self, context, layout, data, item, icon, active_data, active_propname, index):
split = layout.split(0.9)
block = context.active_object.blocks[index]
name = block.name + ' %d'%index
c = split.operator("edit.block", name, emboss=False, icon="UV_FACESEL")
c.blockid = index
c.name = block.name
if block.enabled:
c = split.operator('enable.block', '',emboss=False,icon="CHECKBOX_HLT").blockid = index
else:
c = split.operator('enable.block','', emboss=False,icon="CHECKBOX_DEHLT").blockid = index
class boundary_items(bpy.types.UIList):
def draw_item(self, context, layout, data, item, icon, active_data, active_propname, index):
ob = context.active_object
me = data
mat = me.materials[index]
split = layout.split(percentage=0.2)
split.prop(item, "diffuse_color", '')
split.prop(item, "name", '', emboss = False)
split.prop(item, "boundary_type", '', emboss = False)
class boundaries_action(bpy.types.Operator):
bl_idname = "boundaries.action"
bl_label = "Boundaries action"
action = bpy.props.EnumProperty(
items=(
('REMOVE', "Remove", ""),
('ADD', "Add", ""),
('ASSIGN', "Assign", ""),
)
)
def invoke(self, context, event):
ob = context.active_object
bm = bmesh.from_edit_mesh(ob.data)
if self.action == 'REMOVE':
mat_name = ob.active_material.name
ob.data.materials.pop(ob.active_material_index)
if not bpy.data.materials[mat_name].users:
bpy.data.materials.remove(bpy.data.materials[mat_name])
elif self.action == 'ASSIGN':
for f in bm.faces:
if f.select:
f.material_index = ob.boundary_index
ob.data.update()
if self.action == 'ADD':
name = 'default'
mat = bpy.data.materials.new(name)
color = patchColor(len(ob.data.materials))
mat.diffuse_color = color
ob.data.materials.append(mat)
material_index = len(ob.data.materials) - 1
for f in bm.faces:
if f.select:
f.material_index = material_index
ob.boundary_index = material_index
ob.active_material_index = material_index
ob.data.update()
return {"FINISHED"}
class projection_items(bpy.types.UIList):
def draw_item(self, context, layout, data, item, icon, active_data, active_propname, index):
split = layout.split(0.4)
proj = context.active_object.projections[index]
if proj.type == 'vert2surf':
icon = "VERTEXSEL"
elif proj.type == 'edge2surf':
icon = "EDGESEL"
elif proj.type == 'face2surf':
icon = "FACESEL"
c = split.operator("get.projection", '{}{}'.format(proj.type[0],proj.id), emboss=False, icon=icon)
c.type = proj.type
c.id = proj.id
split = split.split(0.6)
c = split.operator("activate.object",proj.ob, emboss=False, icon="OBJECT_DATA")
c.ob = proj.ob
c = split.operator('remove.projection','', emboss = False, icon='X')
c.proj_id = index
# Get all objects in current context
def getProjectionObjects(self, context):
obs = []
for ob in bpy.data.objects:
if ob.type == "MESH" and not ob.isblockingObject and not ob.ispreviewObject and not ob.isdirectionObject:
obs.append((ob.name, ob.name, ''))
return obs
# SwiftBlock properties
class BlockProperty(bpy.types.PropertyGroup):
id = bpy.props.IntProperty()
name = bpy.props.StringProperty()
verts = bpy.props.IntVectorProperty(size = 8)
enabled = bpy.props.BoolProperty(default=True)
namedRegion = bpy.props.BoolProperty(default=False)
bpy.utils.register_class(BlockProperty)
class ProjectionProperty(bpy.types.PropertyGroup):
type = bpy.props.StringProperty() #vert2surf,edge2surf,face2sur,edge2polyline
id = bpy.props.IntProperty() #bmesh id
ob = bpy.props.StringProperty()
bpy.utils.register_class(ProjectionProperty)
def updateBoundaryColor(self, context):
ob = context.active_object
mat = bpy.data.materials[self.name]
mat.diffuse_color = self.color
def updateBoundaryName(self, context):
ob = context.active_object
mat = bpy.data.materials[self.oldName]
mat.name = self.name
self.oldName = mat.name
class EdgeGroupProperty(bpy.types.PropertyGroup):
group_name = bpy.props.StringProperty()
group_edges = bpy.props.StringProperty()
bpy.utils.register_class(EdgeGroupProperty)
# Initialize all the bmesh layer properties for the blocking object
class InitBlockingObject(bpy.types.Operator):
bl_idname = "init.blocking"
bl_label = "Init blocking"
bl_options = {"UNDO"}
def invoke(self, context, event):
print("initialize BMesh")
bpy.ops.object.mode_set(mode='EDIT')
ob = bpy.context.active_object
bm = bmesh.from_edit_mesh(ob.data)
bm.edges.layers.string.new("type")
bm.edges.layers.float.new("x1")
bm.edges.layers.float.new("x2")
bm.edges.layers.float.new("r1")
bm.edges.layers.float.new("r2")
bm.edges.layers.float.new("dx")
bm.edges.layers.float.new("ratio")
bm.edges.layers.int.new("cells")
bm.edges.layers.int.new("groupid")
bm.edges.layers.int.new("modtime")
bm.faces.layers.int.new('pos') # block number on positive side of the face, -1 boundary face
bm.faces.layers.int.new('neg') # block number on negative side of the face, -1 boundary face
bm.faces.layers.int.new('enabled') # 0 = disabled, 1 = boundary face, 2 = internal face
ob.blocks.clear()
ob.projections.clear()
ob.edge_groups.clear()
bpy.ops.boundaries.action("INVOKE_DEFAULT",action='ADD')
ob.isblockingObject = True
ob.data.update()
ob.show_all_edges = True
ob.show_wire = True
return {"FINISHED"}
# Blocking and previewing operators
# Automatical block detection.
class BuildBlocking(bpy.types.Operator):
bl_idname = "build.blocking"
bl_label = "Build blocking"
bl_options = {"UNDO"}
def invoke(self, context, event):
ob = context.active_object
bm = bmesh.from_edit_mesh(ob.data)
verts = []
edges = []
for v in bm.verts:
verts.append(v.co)
for e in bm.edges:
edges.append([e.verts[0].index,e.verts[1].index])
disabled = [] #not needed anymore
print('Beginning automatic block detection')
stime = time.time()
log, block_verts, block_edges, face_info, all_edges, faces_as_list_of_nodes = blockBuilder.blockFinder(edges, verts, disabled = disabled, numba = ob.useNumba)
print('Found {} blocks in {:.1f} seconds, used Numba={}'.format(len(block_verts), time.time()-stime,ob.useNumba))
ob.blocks.clear()
for i,bv in enumerate(block_verts):
b = ob.blocks.add()
b.id = i
b.name = 'block'#_{}'.format(i)
b.verts = bv
groupl = bm.edges.layers.int.get('groupid')
bm.verts.ensure_lookup_table()
for i, g in enumerate(block_edges):
for e in g:
bme = bm.edges.get((bm.verts[e[0]],bm.verts[e[1]]))
bme[groupl] = i
# A bug in face_info when there are o-grids. The block indices after o-grid block have to be decreased by one.
replace_ids = dict()
block_ids = []
for key in face_info.keys():
block_ids.extend(face_info[key]['pos'])
block_ids.extend(face_info[key]['neg'])
block_ids = sorted(set(block_ids))
nblocks = len(ob.blocks)-1
decrease = []
if nblocks < max(block_ids):
for i in range(max(block_ids)):
if i not in block_ids:
decrease.append(i)
negl = bm.faces.layers.int.get('neg')
posl = bm.faces.layers.int.get('pos')
enabledl = bm.faces.layers.int.get('enabled')
block_faces = []
for key, value in face_info.items():
# probably a bug, some extra faces which do not belong to any block
if not value['neg'] and not value['pos']:
continue
verts = [bm.verts[v] for v in faces_as_list_of_nodes[key]]
f = bm.faces.get(verts)
if not f:
f = bm.faces.new(verts)
f[enabledl] = -1
block_faces.append(f)
if value['pos']:
f[posl] = value['pos'][0]
dec = sum(x < f[posl] for x in decrease)
f[posl] -= dec
else:
f[posl] = -1
if value['neg']:
f[negl] = value['neg'][0]
dec = sum(x < f[negl] for x in decrease)
f[negl] -= dec
else:
f[negl] = -1
for f in bm.faces:
if not f in block_faces:
bm.faces.remove(f)
bpy.ops.object.mode_set(mode='OBJECT')
edgeDirections = utils.getEdgeDirections(block_verts, block_edges)
ob = bpy.context.active_object
me = ob.data
edgelist = dict()
for e in me.edges:
edgelist[(e.vertices[0],e.vertices[1])] = e.index
for ed in edgeDirections:
# consistentEdgeDirs(ed)
for e in ed:
if (e[0],e[1]) not in edgelist:
ei = me.edges[edgelist[(e[1],e[0])]]
(e0, e1) = ei.vertices
ei.vertices = (e1, e0)
bpy.ops.object.mode_set(mode='EDIT')
updateProjections(ob)
hideFacesEdges(ob, ob.ShowInternalFaces)
bpy.ops.draw.directions('INVOKE_DEFAULT',show=False)
self.report({'INFO'}, "Number of blocks: {}".format(len(block_verts)))
return {"FINISHED"}
# Build the mesh from already existing blocking
def writeMesh(ob, folder = ''):
if not ob.blocks:
bpy.ops.build.blocking('INVOKE_DEFAULT')
verts = list(blender_utils.vertices_from_mesh(ob))
bm = bmesh.from_edit_mesh(ob.data)
# do not write polylines for hidden edges
edges = []
for e in bm.edges:
if not e.hide:
edges.append((e.verts[0].index, e.verts[1].index))
bpy.ops.object.mode_set(mode='OBJECT')
ob.select = False
if ob.Autosnap and ob.EdgeSnapObject:
polyLines, polyLinesPoints, lengths = getPolyLines(verts, edges, ob)
else:
polyLines = []
lengths = [[]]
verts = []
matrix = ob.matrix_world.copy()
for v in ob.data.vertices:
verts.append(matrix*v.co)
blocks = []
block_names = []
for b in ob.blocks:
if b.enabled:
blocks.append(list(b.verts))
if b.namedRegion:
block_names.append(b.name)
else:
block_names.append('')
edgeInfo = collectEdges(ob,lengths)
bm = bmesh.from_edit_mesh(ob.data)
detemp = []
groupl = bm.edges.layers.int.get('groupid')
ngroups = 0
for e in bm.edges:
detemp.append((e[groupl],e.verts[0].index,e.verts[1].index))
ngroups = max(ngroups,e[groupl])
block_edges = [[] for i in range(ngroups+1)]
for e in detemp:
block_edges[e[0]].append([e[1],e[2]])
enabledl = bm.faces.layers.int.get('enabled')
bm.verts.ensure_lookup_table()
bm.edges.ensure_lookup_table()
bm.faces.ensure_lookup_table()
projections = {'vert2surf':dict(),'edge2surf':dict(),'face2surf':dict(), 'geo':dict()}
for p in ob.projections:
if p.type == 'vert2surf' and any([f[enabledl] for f in bm.verts[p.id].link_faces]):
key = bm.verts[p.id].index
if key in projections[p.type]:
projections[p.type][key] += " {}".format(p.ob)
else:
projections[p.type][key] = p.ob
elif p.type == 'edge2surf' and any([f[enabledl] for f in bm.edges[p.id].link_faces]):
key = tuple(v.index for v in bm.edges[p.id].verts)
if key in projections[p.type]:
projections[p.type][key] += " {}".format(p.ob)
else:
projections[p.type][key] = p.ob
elif p.type == 'face2surf' and bm.faces[p.id][enabledl]:
key = tuple(v.index for v in bm.faces[p.id].verts)
projections[p.type][key] = p.ob
selected_edges = [e.select for e in ob.data.edges]
boundaries = [{'name':mat.name, 'type':mat.boundary_type, 'faceVerts':[]} for mat in ob.data.materials]
for f in bm.faces:
if f[enabledl] == 1:
boundaries[f.material_index]['faceVerts'].append([v.index for v in f.verts])
for b in boundaries:
if not b['faceVerts']:
boundaries.remove(b)
# return edge selection
bpy.ops.mesh.select_all(action='DESELECT')
bpy.ops.object.mode_set(mode='OBJECT')
for e,sel in zip(ob.data.edges,selected_edges):
e.select = sel
### This is everything that is related to blockMesh so a new multiblock mesher could be introduced easily just by creating new preview file ###
if ob.Mesher == 'blockMeshMG':
from . import blockMeshMG
importlib.reload(blockMeshMG)
if folder:
mesh = blockMeshMG.PreviewMesh(folder)
else:
mesh = blockMeshMG.PreviewMesh()
# projection_tris = writeProjectionObjects(project_verts,project_edges,project_faces, mesh.geomPath)
if ob.projections:
geos = writeProjectionObjects(ob, mesh.geomPath)
projections['geo'] = geos
cells = mesh.writeBlockMeshDict(verts, 1, boundaries, polyLines, edgeInfo, block_names, blocks, block_edges, projections)
###############################################################
elif ob.Mesher == 'blockMeshBodyFit':
from . import blockMeshBodyFit
importlib.reload(blockMeshBodyFit)
if folder:
mesh = blockMeshBodyFit.PreviewMesh(folder)
else:
mesh = blockMeshBodyFit.PreviewMesh()
writeProjectionObjects(ob, mesh.triSurfacePath, onlyFaces = True)
cells = mesh.writeBlockMeshDict(verts, 1, boundaries, polyLines, edgeInfo, block_names, blocks, block_edges, projections, ob.SearchLength)
bpy.ops.wm.context_set_value(data_path="tool_settings.mesh_select_mode", value="(False,True,False)")
return mesh, cells
class PreviewMesh(bpy.types.Operator):
bl_idname = "preview.mesh"
bl_label = "Preview mesh"
bl_options = {"UNDO"}
filename = bpy.props.StringProperty(default='')
def invoke(self, context, event):
ob = context.active_object
mesh, cells = writeMesh(ob)
points, faces = mesh.runMesh()
blender_utils.previewMesh(ob, points, faces)
self.report({'INFO'}, "Cells in mesh: " + str(cells))
return {"FINISHED"}
class WriteMesh(bpy.types.Operator):
bl_idname = "write.mesh"
bl_label = "Write Mesh"
filepath = bpy.props.StringProperty(subtype='DIR_PATH')
# filepath = bpy.props.StringProperty(
# name="File Path",
# description="Filepath used for exporting the file",
# maxlen=1024,
# subtype='FILE_PATH',
# default='/opt',
# )
check_existing = bpy.props.BoolProperty(
name="Check Existing",
description="Check and warn on overwriting existing files",
default=True,
options={'HIDDEN'},
)
# use_filter_folder = True
def invoke(self, context, event):
bpy.context.window_manager.fileselect_add(self)
return {'RUNNING_MODAL'}
def execute(self, context):
ob = context.active_object
mesh, cells = writeMesh(ob, self.filepath)
bpy.ops.object.mode_set(mode='EDIT')
self.report({'INFO'}, "Cells in mesh: " + str(cells))
return {"FINISHED"}
class ActivateBlocking(bpy.types.Operator):
bl_idname = "activate.blocking"
bl_label = "Activate blocking"
bl_options = {"UNDO"}
hide = bpy.props.BoolProperty()
def invoke(self, context, event):
scn = context.scene
ob = context.active_object
bob = bpy.data.objects[ob.blocking_object]
blender_utils.activateObject(bob, self.hide)
return {'FINISHED'}
class GetBlock(bpy.types.Operator):
"Get block from selection"
bl_idname = "get.block"
bl_label = "Get block"
bl_options = {'REGISTER', 'UNDO'}
def invoke(self, context, event):
ob = bpy.context.active_object
bm = bmesh.from_edit_mesh(ob.data)
selection = []
for v in bm.verts:
if v.select:
selection.append(v.index)
block = False
occs = []
for b in ob.blocks:
occ = [v in selection for v in b.verts].count(True)
if occ == 8:
block = b
break
else:
occs.append(occ)
if not block:
max_occ = max(enumerate(occs), key=lambda x:x[1])[0]
block = ob.blocks[max_occ]
if not block:
self.report({'INFO'}, "No block found with selected vertices")
return {'CANCELLED'}
bpy.ops.edit.block('INVOKE_DEFAULT', blockid=block.id, name = block.name )
return {'FINISHED'}
class EditBlock(bpy.types.Operator):
bl_idname = "edit.block"
bl_label = "Edit block"
bl_options = {'REGISTER', 'UNDO'}
blockid = bpy.props.IntProperty(name='id')
namedRegion = bpy.props.BoolProperty(name='Named region', default = False)
name = bpy.props.StringProperty(name='name')
def draw(self, context):
ob = context.active_object
if not ob.blocks[self.blockid].enabled:
return
col = self.layout.column(align = True)
# col.prop(self, "enabled")
# split = col.split(percentage=0.1, align=True)
# col = split.column()
col.prop(self, "namedRegion")
if self.namedRegion:
# col = split.column()
col.prop(self, "name")
# this could be used to select multiple blocks
def invoke(self, context, event):
ob = context.active_object
ob.block_index = self.blockid
if event.shift:
self.shiftDown = True
else:
self.shiftDown = False
self.execute(context)
return {'FINISHED'}
def execute(self, context):
bpy.ops.mesh.select_all(action="DESELECT")
scn = context.scene
ob = context.active_object
ob.blocks[self.blockid].name = self.name
ob.blocks[self.blockid].namedRegion = self.namedRegion
ob = context.active_object
verts = ob.blocks[self.blockid].verts
bm = bmesh.from_edit_mesh(ob.data)
bm.verts.ensure_lookup_table()
for v in verts:
bm.verts[v].select = True
for e in bm.edges:
if e.verts[0].select and e.verts[1].select:
e.select = True
for f in bm.faces:
if len(f.verts) == 4 and sum([v.select for v in f.verts]) == 4:
f.select = True
ob.data.update()
return {'FINISHED'}
class EnableBlock(bpy.types.Operator):
bl_idname = "enable.block"
bl_label = "Enable/disable block"
blockid = bpy.props.IntProperty()
def execute(self, context):
scn = context.scene
ob = context.active_object
block = ob.blocks[self.blockid]
ob.block_index = self.blockid
if block.enabled:
block.enabled = False
else:
block.enabled = True
# repair_blockFacesEdges(ob)
hideFacesEdges(ob)
return {'FINISHED'}
# Mapping operators
# Change the layer properties of currently selected edges
class SetEdge(bpy.types.Operator):
"Set mapping for the edge"
bl_idname = "set.edgemapping"
bl_label = "Set edge"
bl_options = {"UNDO"}
def execute(self, context):
ob = context.active_object
scn = context.scene
if not ob.blocks:
bpy.ops.build.blocking('INVOKE_DEFAULT')
bm = bmesh.from_edit_mesh(ob.data)
typel = bm.edges.layers.string.get('type')
cellsl = bm.edges.layers.int.get('cells')
x1l = bm.edges.layers.float.get('x1')
x2l = bm.edges.layers.float.get('x2')
r1l = bm.edges.layers.float.get('r1')
r2l = bm.edges.layers.float.get('r2')
rl = bm.edges.layers.float.get('ratio')
groupl = bm.edges.layers.int.get('groupid')
timel = bm.edges.layers.int.get('modtime')
for e in bm.edges:
if e.select:
e[typel] = str.encode(ob.MappingType)
e[cellsl] = ob.Cells
e[timel] = time.time()
if ob.MappingType == "Geometric MG":
e[x1l] = ob.x1
e[x2l] = ob.x2
e[r1l] = ob.r1
e[r2l] = ob.r2
elif ob.MappingType == "Geometric":
e[rl] = ob.Ratio
return {'FINISHED'}
class GetEdge(bpy.types.Operator):
bl_idname = "get.edge"
bl_label = "Get edge"
bl_options = {"UNDO"}
def execute(self, context):
ob = context.active_object
scn = context.scene
if not ob.blocks:
bpy.ops.build.blocking('INVOKE_DEFAULT')
bm = bmesh.from_edit_mesh(ob.data)
typel = bm.edges.layers.string.get('type')
x1l = bm.edges.layers.float.get('x1')
x2l = bm.edges.layers.float.get('x2')
r1l = bm.edges.layers.float.get('r1')
r2l = bm.edges.layers.float.get('r2')
cellsl = bm.edges.layers.int.get('cells')
for e in bm.edges:
if e.select:
# e[typel] = str.encode(ob.MappingType)
ob.Cells = e[cellsl]
ob.x1 = e[x1l]
ob.x2 = e[x2l]
ob.r1 = e[r1l]
ob.r2 = e[r2l]
return {'FINISHED'}
class SetCellSize(bpy.types.Operator):
"Calculates the number of cells from maximum cell size"
bl_idname = "set.cellsize"
bl_label = "Set cell size"
bl_options = {"UNDO"}
def execute(self, context):
ob = context.active_object
scn = context.scene
bm = bmesh.from_edit_mesh(ob.data)
typel = bm.edges.layers.string.get('type')
x1l = bm.edges.layers.float.get('x1')
x2l = bm.edges.layers.float.get('x2')
r1l = bm.edges.layers.float.get('r1')
r2l = bm.edges.layers.float.get('r2')
cellsl = bm.edges.layers.int.get('cells')
verts = [v.co for v in bm.verts]
edges = [(e.verts[0].index, e.verts[1].index) for e in bm.edges]
if ob.Autosnap and ob.EdgeSnapObject:
polyLines, polyLinesPoints, lengths = getPolyLines(verts, edges, ob)
else:
polyLines = []
lengths = [[]]
for e in bm.edges:
if e.select:
ev = list([e.verts[0].index,e.verts[1].index])
if ev in lengths[0]:
ind = lengths[0].index(ev)
L = lengths[1][ind]
else:
L = (e.verts[0].co-e.verts[1].co).length
e[typel] = str.encode(ob.MappingType)
N=utils.getCells(ob.x1,ob.x2,ob.r1,ob.r2,L,ob.Dx)
e[cellsl] = N
e[x1l] = ob.x1
e[x2l] = ob.x2
e[r1l] = ob.r1
e[r2l] = ob.r2
print(N)
return {'FINISHED'}
class EdgeSelectParallel(bpy.types.Operator):
bl_idname = "select.parallel"
bl_label = "Select parallel edges"
def execute(self, context):
ob = context.active_object
bm = bmesh.from_edit_mesh(ob.data)
groupl = bm.edges.layers.int.get('groupid')
for e in bm.edges:
if e.select:
groupid = e[groupl]
for i in bm.edges:
if i[groupl] == groupid:
i.select = True
ob.data.update()
return {'FINISHED'}
class FlipEdges(bpy.types.Operator):
"Flips parallel edges, select only one edge per group"
bl_idname = "flip.edges"
bl_label = "Flip edges"
def execute(self, context):
ob = context.active_object
bm = bmesh.from_edit_mesh(ob.data)
groupl = bm.edges.layers.int.get('groupid')
flip_edges = []
for e in bm.edges:
if e.select:
groupid = e[groupl]
for i in bm.edges:
if i[groupl] == groupid:
flip_edges.append(i.index)
break
bpy.ops.object.mode_set(mode='OBJECT')
for fe in flip_edges:
e = ob.data.edges[fe]
(e0,e1) = e.vertices
e.vertices = (e1,e0)
bpy.ops.object.mode_set(mode='EDIT')
bpy.ops.draw.directions('INVOKE_DEFAULT',show=False)
return {'FINISHED'}
def collectEdges(bob, lengths):
bob.select = True
bpy.context.scene.objects.active = bob
bpy.ops.object.mode_set(mode='EDIT')
# snap_vertices = get_snap_vertices(bob)
bm = bmesh.from_edit_mesh(bob.data)
layers = bm.edges.layers
# snapIdl = layers.string.get('snapId')
block_edges = dict()
timel = layers.int.get('modtime')
groupl = layers.int.get('groupid')
x1l = layers.float.get('x1')
x2l = layers.float.get('x2')
r1l = layers.float.get('r1')
r2l = layers.float.get('r2')
cellsl = layers.int.get('cells')
ratiol = layers.float.get("ratio")
ncells = dict()
times = dict()
for e in bm.edges:
if e[groupl] not in ncells:
ncells[e[groupl]] = e[cellsl]
times[e[groupl]] = e[timel]
elif e[timel] > times[e[groupl]]:
ncells[e[groupl]] = e[cellsl]
times[e[groupl]] = e[timel]
for e in bm.edges:
be = dict()
ev = list([e.verts[0].index,e.verts[1].index])
if ev in lengths[0]:
ind = lengths[0].index(ev)
L = lengths[1][ind]
else:
L = (e.verts[0].co-e.verts[1].co).length
be["type"] = bob.MappingType
be["x1"] = e[x1l]
be["x2"] = e[x2l]
be["r1"] = e[r1l]
be["r2"] = e[r2l]
be["N"] = ncells[e[groupl]]
be["ratio"] = e[ratiol]
be["L"] = L
if not be["N"]:
be["N"] = 10
if not be["r1"]:
be["r1"] = 1.
if not be["r2"]:
be["r2"] = 1.
if not be["ratio"]:
be["ratio"] = 1
be = utils.edgeMapping(be)
block_edges[(e.verts[1].index,e.verts[0].index)] = be
be = dict(be)
be["x1"],be["x2"] = be["x2"],be["x1"]
be["r1"],be["r2"] = be["r2"],be["r1"]
be["ratio"] = 1./be["ratio"]
be = utils.edgeMapping(be)
block_edges[(e.verts[0].index,e.verts[1].index)] = be
return block_edges