Files
Bioxel/bioxelnodes/utils.py
Ma Nan 854af4c3bc feat: support more format
feat: support .mrc .map
feat: support .ome.tif
feat: improved user experience for importing
feat: better contrast algorithm
2024-07-22 08:51:12 +08:00

295 lines
8.0 KiB
Python

import bpy
import mathutils
from pathlib import Path
import pyopenvdb as vdb
from uuid import uuid4
import shutil
def select_object(target_obj):
for obj in bpy.data.objects:
obj.select_set(False)
target_obj.select_set(True)
bpy.context.view_layer.objects.active = target_obj
def copy_to_dir(source_path, dir_path, new_name=None, exist_ok=True):
source = Path(source_path)
target = Path(dir_path)
# Check if the source exists
if not source.exists():
raise FileNotFoundError
# Check if the target exists
if not target.exists():
target.mkdir(parents=True, exist_ok=True)
target_path = target / new_name if new_name else target / source.name
# If source is a file, copy it to the target directory
if source.is_file():
try:
shutil.copy(source, target_path)
except shutil.SameFileError:
if exist_ok:
pass
else:
raise shutil.SameFileError
# If source is a directory, copy its contents to the target directory
elif source.is_dir():
shutil.copytree(source, target_path, dirs_exist_ok=exist_ok)
if not target_path.exists():
raise Exception
def move_node_to_node(node, target_node, offset=(0, 0)):
node.location.x = target_node.location.x + offset[0]
node.location.y = target_node.location.y + offset[1]
def move_node_between_nodes(node, target_nodes, offset=(0, 0)):
xs = []
ys = []
for target_node in target_nodes:
xs.append(target_node.location.x)
ys.append(target_node.location.y)
node.location.x = sum(xs) / len(xs) + offset[0]
node.location.y = sum(ys) / len(ys) + offset[1]
def get_node_type(node):
node_type = type(node).__name__
if node_type == "GeometryNodeGroup":
node_type = node.node_tree.name
return node_type
def get_nodes_by_type(node_group, type_name: str):
return [node for node in node_group.nodes if get_node_type(node) == type_name]
def progress_bar(self, context):
row = self.layout.row()
row.progress(
factor=context.window_manager.bioxelnodes_progress_factor,
type="BAR",
text=context.window_manager.bioxelnodes_progress_text
)
row.scale_x = 2
def progress_update(context, factor, text=""):
context.window_manager.bioxelnodes_progress_factor = factor
context.window_manager.bioxelnodes_progress_text = text
def calc_bbox_verts(origin, size):
bbox_origin = mathutils.Vector(
(origin[0], origin[1], origin[2]))
bbox_size = mathutils.Vector(
(size[0], size[1], size[2]))
bbox_verts = [
(
bbox_origin[0] + 0,
bbox_origin[1] + 0,
bbox_origin[2] + 0
),
(
bbox_origin[0] + 0,
bbox_origin[1] + 0,
bbox_origin[2] + bbox_size[2]
),
(
bbox_origin[0] + 0,
bbox_origin[1] + bbox_size[1],
bbox_origin[2] + 0
),
(
bbox_origin[0] + 0,
bbox_origin[1] + bbox_size[1],
bbox_origin[2] + bbox_size[2]
),
(
bbox_origin[0] + bbox_size[0],
bbox_origin[1] + 0,
bbox_origin[2] + 0
),
(
bbox_origin[0] + bbox_size[0],
bbox_origin[1] + 0,
bbox_origin[2] + bbox_size[2],
),
(
bbox_origin[0] + bbox_size[0],
bbox_origin[1] + bbox_size[1],
bbox_origin[2] + 0,
),
(
bbox_origin[0] + bbox_size[0],
bbox_origin[1] + bbox_size[1],
bbox_origin[2] + bbox_size[2],
),
]
return bbox_verts
def lock_transform(obj):
obj.lock_location[0] = True
obj.lock_location[1] = True
obj.lock_location[2] = True
obj.lock_rotation[0] = True
obj.lock_rotation[1] = True
obj.lock_rotation[2] = True
obj.lock_scale[0] = True
obj.lock_scale[1] = True
obj.lock_scale[2] = True
def hide_in_ray(obj):
obj.visible_camera = False
obj.visible_diffuse = False
obj.visible_glossy = False
obj.visible_transmission = False
obj.visible_volume_scatter = False
obj.visible_shadow = False
def save_vdb(grids, context):
preferences = context.preferences.addons[__package__].preferences
cache_dir = Path(preferences.cache_dir, 'VDBs')
cache_dir.mkdir(parents=True, exist_ok=True)
vdb_path = Path(cache_dir, f"{uuid4()}.vdb")
# print(f"Storing the VDB file ({str(vdb_path)})...")
vdb.write(str(vdb_path), grids=grids)
return vdb_path
def save_vdbs(grids_sequence, context):
preferences = context.preferences.addons[__package__].preferences
cache_dir = Path(preferences.cache_dir, 'VDBs')
cache_dir.mkdir(parents=True, exist_ok=True)
vdb_name = str(uuid4())
vdb_dir_path = Path(cache_dir, vdb_name)
vdb_dir_path.mkdir(parents=True, exist_ok=True)
vdb_paths = []
for f, grids in enumerate(grids_sequence):
vdb_path = Path(vdb_dir_path, f"{vdb_name}.{str(f+1).zfill(4)}.vdb")
# print(f"Storing the VDB file ({str(vdb_path)})...")
vdb.write(str(vdb_path), grids=grids)
vdb_paths.append(vdb_path)
return vdb_paths
def get_container_from_selection():
containers = []
for obj in bpy.context.selected_objects:
if get_container(obj):
containers.append(obj)
# if bpy.context.active_object:
# if bpy.context.active_object.get('bioxel_layer'):
# if bpy.context.active_object.parent.get('bioxel_container'):
# containers.append(bpy.context.active_object.parent)
return list(set(containers))
def get_container(current_obj):
if current_obj:
if current_obj.get('bioxel_container'):
return current_obj
elif current_obj.get('bioxel_layer'):
parent = current_obj.parent
return parent if parent.get('bioxel_container') else None
return None
def get_layer(current_obj):
if current_obj:
if current_obj.get('bioxel_layer') and current_obj.parent:
if current_obj.parent.get('bioxel_container'):
return current_obj
return None
def get_container_layers(container):
layers = []
for obj in bpy.data.objects:
if obj.parent == container and get_layer(obj):
layers.append(obj)
return layers
def get_all_layers():
layers = []
for obj in bpy.data.objects:
if get_layer(obj):
layers.append(obj)
return layers
def get_text_index_str(text):
# Initialize an empty string to store the digits
digits = ""
# Iterate through the characters in reverse order
started = False
for char in text[::-1]:
if char.isdigit():
started = True
# If the character is a digit, add it to the digits string
digits += char
else:
if started:
# If a non-digit character is encountered, stop the loop
break
# Reverse the digits string to get the correct order
last_number = digits[::-1]
return last_number
def add_driver(target_prop, var_sources, expression):
driver = target_prop.driver_add("default_value")
is_vector = isinstance(driver, list)
drivers = driver if is_vector else [driver]
for i, driver in enumerate(drivers):
for j, var_source in enumerate(var_sources):
source = var_source['source']
prop = var_source['prop']
var = driver.driver.variables.new()
var.name = f"var{j}"
var.targets[0].id_type = source.id_type
var.targets[0].id = source
var.targets[0].data_path = f'["{prop}"][{i}]'\
if is_vector else f'["{prop}"]'
driver.driver.expression = expression
def add_direct_driver(target, target_prop, source, source_prop):
target_prop = target.inputs.get(target_prop)
drivers = [
{
"source": source,
"prop": source_prop
}
]
expression = "var0"
add_driver(target_prop, drivers, expression)