nan
32bcd45d7b
- Implemented `build_mesh_plane.py` to create a geometry node group for mesh planes with customizable parameters. - Created `build_shadeless.py` for a shader node group that displays color without scene lighting while preserving shadows and reflections. - Added `validate.py` to validate the integrity of the newly created node groups and their inputs. - Introduced `validate_cutout.py` to ensure the functionality of cutout node groups and their dependencies. - Developed `validate_mesh_plane.py` to test the mesh plane creation and its modifier settings.
562 lines
18 KiB
Python
562 lines
18 KiB
Python
import builtins
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import sys
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import tempfile
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from pathlib import Path
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from types import SimpleNamespace
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from unittest.mock import patch
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import numpy as np
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from PIL import Image
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SOURCE_ROOT = Path(__file__).parents[1] / "src"
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sys.path.insert(0, str(SOURCE_ROOT))
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from anyimage.operators.cutout_tool import balloon_profile as cutout_profile
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from anyimage.operators.cutout_tool import build_shapes as mesh
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from anyimage.operators.cutout_tool import depth_calibration as cutout_depth
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from anyimage.operators.cutout_tool import node_assets as cutout_nodes
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from anyimage.operators.cutout_tool import shape_types as shapes
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from anyimage.operators.cutout_tool.balloon_profile import poisson_balloon_profile
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from anyimage.operators.common.normal_map import rasterize_tangent_normal
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from anyimage.operators.cutout_tool.mask_regions import alpha_regions, image_alpha_regions
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from anyimage.server.models import moge2 as moge2_model
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def test_cutout_mesh_detail_uses_the_cropped_analysis_scale():
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assert mesh.limited_cutout_mesh_detail(256, (4096, 1024), 2048) == 128
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assert mesh.limited_cutout_mesh_detail(256, (1024, 512), 2048) == 256
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assert mesh.limited_cutout_mesh_detail(8, (8192, 4096), 2048) == 4
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def test_cutout_node_groups_are_loaded_from_the_asset():
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loaded = object()
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with patch.object(
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cutout_nodes, "load_asset_node_group", return_value=loaded
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) as load:
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for shape in shapes.CUTOUT_NODE_GROUP_NAMES:
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assert cutout_nodes.cutout_node_group(shape) is loaded
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load.assert_called_with(shapes.CUTOUT_NODE_GROUP_NAME)
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assert load.call_count == 4
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def test_base_plane_fit_is_stable_for_a_slender_diagonal_domain():
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along = np.linspace(-1.0, 1.0, 101)
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across = np.resize(np.asarray((-0.01, 0.0, 0.01)), len(along))
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coordinates = np.column_stack(
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(
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along - across,
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along + across,
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)
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)
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values = 0.4 * along + np.sign(across) * 0.05
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plane = cutout_depth._stable_plane(coordinates, values)
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selected_plane = coordinates @ plane[:2] + plane[2]
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corners = np.asarray(
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((-1.0, -1.0), (-1.0, 1.0), (1.0, -1.0), (1.0, 1.0))
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)
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corner_plane = corners @ plane[:2] + plane[2]
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assert np.ptp(corner_plane) <= np.ptp(selected_plane) * 1.25
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assert np.corrcoef(selected_plane, along)[0, 1] > 0.99
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def test_depth_balloon_plane_calibration_matches_cutout_axes():
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vertices = []
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uv = []
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camera_depth = np.empty((3, 3), dtype=np.float32)
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for row in range(3):
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local_z = 1.0 - row
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for column in range(3):
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local_y = column - 1.0
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vertices.append((0.0, local_y, local_z))
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uv.append((column * 0.5, 1.0 - row * 0.5))
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camera_depth[row, column] = 2.0 + 0.2 * local_y + 0.1 * local_z
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reference, direction = cutout_depth.depth_balloon_projection_parameters(
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vertices,
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uv,
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camera_depth,
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np.ones((3, 3), dtype=bool),
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0.5,
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)
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expected_direction = np.asarray((-0.1, 0.05, 1.0), dtype=np.float64)
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expected_direction /= np.linalg.norm(expected_direction)
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assert np.isclose(
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reference,
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np.percentile(camera_depth, 95.0) * 0.5,
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atol=1e-6,
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)
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assert np.allclose(direction, expected_direction, atol=1e-6)
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def test_depth_balloon_reference_uses_the_shared_upper_depth_percentile():
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size = 10
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row, column = np.indices((size, size))
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camera_depth = np.full((size, size), 2.0, dtype=np.float32)
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camera_depth[(row + column) % 2 == 0] = 2.2
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vertices = []
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uv = []
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for y in range(size):
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for x in range(size):
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vertices.append((0.0, float(x), float(size - 1 - y)))
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uv.append((x / (size - 1), 1.0 - y / (size - 1)))
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reference, direction = cutout_depth.depth_balloon_projection_parameters(
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vertices,
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uv,
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camera_depth,
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np.ones((size, size), dtype=bool),
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1.0,
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)
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assert reference > float(np.median(camera_depth))
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assert np.isclose(reference, 2.2, atol=1e-6)
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assert np.allclose(direction, (0.0, 0.0, 1.0), atol=1e-6)
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def mesh_component_count(faces):
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adjacency = {}
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for face in faces:
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for vertex in face:
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adjacency.setdefault(int(vertex), set())
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for start, end in zip(face, np.roll(face, -1)):
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adjacency[int(start)].add(int(end))
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adjacency[int(end)].add(int(start))
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remaining = set(adjacency)
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count = 0
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while remaining:
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count += 1
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pending = [remaining.pop()]
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while pending:
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vertex = pending.pop()
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connected = adjacency[vertex] & remaining
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remaining.difference_update(connected)
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pending.extend(connected)
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return count
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def test_tangent_normal_pixels_use_the_final_geometry_frame():
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object_normal = np.zeros((3, 3, 3), dtype=np.float32)
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object_normal[..., 2] = 1.0
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triangle_uv = np.asarray((((0.0, 0.0), (1.0, 0.0), (0.0, 1.0)),))
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triangle_normal = np.asarray((((1.0, 0.0, 0.0),) * 3,))
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triangle_tangent = np.asarray((((0.0, 1.0, 0.0),) * 3,))
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triangle_sign = np.ones((1, 3), dtype=np.float32)
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tangent = rasterize_tangent_normal(
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object_normal,
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triangle_uv,
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triangle_normal,
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triangle_tangent,
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triangle_sign,
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)
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assert np.allclose(tangent[0, 0], (0.0, 1.0, 0.0))
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assert not np.allclose(tangent[0, 0], object_normal[0, 0])
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assert np.allclose(tangent[2, 2], (0.0, 0.0, 1.0))
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def test_depth_surface_discontinuity_map_uses_local_three_by_three_range():
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depth = np.ones((5, 5), dtype=np.float32)
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depth[:, 3:] = 2.0
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valid = np.ones_like(depth, dtype=bool)
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discontinuity = mesh._depth_discontinuity_map(depth, valid)
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assert discontinuity[2, 0] == 0.0
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assert discontinuity[2, 2] == 1.0
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def test_depth_surface_projection_uses_one_scale_for_all_camera_axes():
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points = np.zeros((51, 101, 3), dtype=np.float32)
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points[..., 2] = np.linspace(1.0, 3.0, 51 * 101).reshape(51, 101)
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field = (
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points,
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np.asarray(((100.0, 0.0, 50.0), (0.0, 100.0, 25.0), (0.0, 0.0, 1.0))),
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np.ones((51, 101), dtype=bool),
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np.ones((51, 101), dtype=bool),
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(101, 51),
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2.0,
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)
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uniform_scale = mesh._surface_uniform_scale(
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SimpleNamespace(),
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field,
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bounds=(-2.0, 2.0, -1.0, 1.0),
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)
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assert uniform_scale == 2.0
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reference_depth = cutout_depth.metric_depth_reference(
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points[..., 2],
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field[3],
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uniform_scale,
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)
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assert np.isclose(reference_depth, 5.8, atol=1e-6)
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def test_moge_surface_field_uses_the_model_validity_mask():
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prediction = moge2_model.Prediction(
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depth=np.ones((1, 2, 2), dtype=np.float32),
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normal=np.zeros((1, 2, 2, 3), dtype=np.float32),
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mask=np.asarray((((True, False), (True, True)),)),
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intrinsics=np.asarray(
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(((1.0, 0.0, 0.5), (0.0, 1.0, 0.5), (0.0, 0.0, 1.0)),),
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dtype=np.float32,
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),
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points=np.ones((1, 2, 2, 3), dtype=np.float32),
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)
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frame = moge2_model.geometry_frame(prediction)
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assert np.array_equal(frame.valid_mask, prediction.mask[0])
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def test_cutout_regions_group_holes_with_their_connected_component():
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with tempfile.TemporaryDirectory() as directory:
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path = Path(directory) / "cutout.png"
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pixels = np.zeros((120, 200, 4), dtype=np.uint8)
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pixels[20:100, 50:160] = (20, 40, 60, 255)
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pixels[45:75, 80:120] = 0
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pixels[5:15, 5:15] = (20, 40, 60, 255)
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Image.fromarray(pixels, mode="RGBA").save(path)
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regions, size = image_alpha_regions(path, max_resolution=200)
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assert size == (200, 120)
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assert sorted(len(region) for region in regions) == [1, 2]
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contours = [contour for region in regions for contour in region]
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bounds = [
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(*np.min(contour, axis=0), *np.max(contour, axis=0))
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for contour in contours
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]
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assert (50.0, 20.0, 160.0, 100.0) in bounds
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assert (80.0, 45.0, 120.0, 75.0) in bounds
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assert (5.0, 5.0, 15.0, 15.0) in bounds
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def test_alpha_regions_accepts_blender_float_alpha_with_a_hole():
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alpha = np.zeros((120, 200), dtype=np.float32)
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alpha[20:100, 50:160] = 1.0
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alpha[45:75, 80:120] = 0.0
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regions, size = alpha_regions(alpha, max_resolution=200)
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assert size == (200, 120)
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assert len(regions) == 1
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assert len(regions[0]) == 2
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def test_cutout_crop_bounds_map_to_the_source_plane():
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source = SimpleNamespace(
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data=SimpleNamespace(size=(200, 100)),
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empty_display_size=2.0,
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empty_image_offset=(-0.5, -0.5),
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)
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bounds = mesh._crop_plane_bounds(
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source,
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(50, 25, 150, 75),
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(200, 100),
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)
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np.testing.assert_allclose(bounds, (-0.5, 0.5, -0.25, 0.25))
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def test_depth_surface_cutout_uses_half_alpha_boundary():
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alpha = np.zeros((12, 16), dtype=np.float32)
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alpha[2:10, 2:14] = 0.49
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alpha[4:8, 5:11] = 0.51
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regions, size = mesh._cutout_regions(alpha, 64, threshold=0.5)
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contour = np.asarray(regions[0][0])
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assert size == (16, 12)
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np.testing.assert_allclose(contour.min(axis=0), (5.0, 4.0))
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np.testing.assert_allclose(contour.max(axis=0), (11.0, 8.0))
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def test_blender_cutout_alpha_pipeline_does_not_import_pillow():
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original_import = builtins.__import__
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def without_pillow(name, *args, **kwargs):
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if name == "PIL" or name.startswith("PIL."):
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raise ModuleNotFoundError("Pillow is unavailable in Blender")
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return original_import(name, *args, **kwargs)
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selection = np.zeros((32, 48), dtype=bool)
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selection[4:28, 6:42] = True
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with patch("builtins.__import__", side_effect=without_pillow):
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antialiased = mesh._antialias_selection(selection)
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regions, size = alpha_regions(antialiased, max_resolution=24)
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assert size == (48, 32)
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assert regions
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assert np.any((antialiased > 0.0) & (antialiased < 1.0))
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def test_unrefined_cutout_geometry_uses_strict_tenth_source_alpha_threshold():
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alpha = np.full((40, 60), 0.1, dtype=np.float32)
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alpha[10:30, 20:40] = 0.11
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polygon = ((0, 0), (60, 0), (60, 40), (0, 40))
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regions, size = mesh._geometry_cutout_regions(alpha, polygon, 64)
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contour = np.asarray(regions[0][0])
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assert size == (60, 40)
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np.testing.assert_allclose(contour.min(axis=0), (20.0, 10.0))
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np.testing.assert_allclose(contour.max(axis=0), (40.0, 30.0))
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def test_cutout_geometry_excludes_zero_source_alpha_without_refine():
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alpha = np.zeros((80, 120), dtype=np.float32)
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alpha[10:70, 10:110] = 1.0
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alpha[30:50, 45:75] = 0.0
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polygon = ((10, 10), (110, 10), (110, 70), (10, 70))
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regions, size = mesh._geometry_cutout_regions(alpha, polygon, 64)
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assert size == (120, 80)
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assert len(regions) == 1
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assert len(regions[0]) == 2
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def test_cutout_geometry_uses_final_alpha_with_refine():
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alpha = np.zeros((80, 120), dtype=np.float32)
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alpha[10:70, 10:110] = 1.0
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alpha[30:50, 45:75] = 0.0
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polygon = ((10, 10), (110, 10), (110, 70), (10, 70))
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regions, size = mesh._geometry_cutout_regions(
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alpha, polygon, 64, refine_selection=True
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)
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assert size == (120, 80)
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assert len(regions) == 1
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assert len(regions[0]) == 2
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def test_unrefined_cutout_geometry_discards_out_of_frame_selection():
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alpha = np.zeros((60, 100), dtype=np.float32)
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alpha[10:50] = 1.0
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polygon = ((-20, 10), (120, 10), (120, 50), (-20, 50))
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regions, size = mesh._geometry_cutout_regions(alpha, polygon, 64)
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points = np.concatenate(
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[np.asarray(contour) for region in regions for contour in region]
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)
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assert size == (100, 60)
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assert points[:, 0].min() >= 0.0
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assert points[:, 0].max() <= 100.0
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def test_refined_cutout_geometry_discards_out_of_frame_selection():
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alpha = np.zeros((60, 100), dtype=np.float32)
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alpha[10:50] = 1.0
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polygon = ((-20, 10), (120, 10), (120, 50), (-20, 50))
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regions, size = mesh._geometry_cutout_regions(
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alpha, polygon, 64, refine_selection=True
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)
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points = np.concatenate(
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[np.asarray(contour) for region in regions for contour in region]
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)
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assert size == (100, 60)
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assert points[:, 0].min() >= 0.0
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assert points[:, 0].max() <= 100.0
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def test_blender_cutout_contour_resolution_tracks_mesh_detail():
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expected = ([(((0, 0), (1, 0), (0, 1)),)], (1, 1))
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alpha = np.ones((2, 2), dtype=np.float32)
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with patch.object(mesh, "alpha_regions", return_value=expected) as trace:
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assert mesh._cutout_regions(alpha, 32) == expected
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assert mesh._cutout_regions(alpha, 256) == expected
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assert trace.call_args_list[0].kwargs["max_resolution"] == 512
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assert trace.call_args_list[1].kwargs["max_resolution"] == 1024
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def test_cutout_point_spacing_uses_the_complete_source_plane():
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source = SimpleNamespace(matrix_world=object())
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with (
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patch.object(mesh, "plane_bounds", return_value=(-2.0, 2.0, -1.0, 1.0)),
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patch.object(
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mesh,
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"_world_plane_metric",
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return_value=(((1.0, 0.0), (0.0, 1.0)), 1.0),
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),
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):
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spacing = mesh._cutout_point_spacing(source, 200)
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assert spacing == 0.02
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def test_cutout_cleanup_area_uses_point_spacing_and_plane_area_scale():
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assert np.isclose(
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mesh._cutout_cleanup_area(
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0.25,
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((1.0, 0.0), (0.0, 1.0)),
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),
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0.0625,
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)
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assert np.isclose(
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mesh._cutout_cleanup_area(
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0.25,
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((4.0, 0.0), (0.0, 9.0)),
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),
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0.0625 / 6.0,
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)
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def test_poisson_balloon_profile_is_zero_on_boundary_and_positive_inside():
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points = np.asarray(
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((0, 0), (2, 0), (2, 2), (0, 2), (1, 1)),
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dtype=float,
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)
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faces = ((0, 1, 4), (1, 2, 4), (2, 3, 4), (3, 0, 4))
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boundary = np.asarray((True, True, True, True, False))
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profile = poisson_balloon_profile(points, faces, boundary)
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assert np.all(profile[:4] == 0.0)
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assert profile[4] > 0.0
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def test_poisson_balloon_profile_scales_in_world_units():
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points = np.asarray(
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((0, 0), (2, 0), (2, 2), (0, 2), (1, 1)),
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dtype=float,
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)
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faces = ((0, 1, 4), (1, 2, 4), (2, 3, 4), (3, 0, 4))
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boundary = np.asarray((True, True, True, True, False))
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original = poisson_balloon_profile(points, faces, boundary)
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scaled = poisson_balloon_profile(points * 2.0, faces, boundary)
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assert np.isclose(scaled[4], original[4] * 2.0, atol=1e-6)
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def test_poisson_balloon_profile_makes_wide_regions_thicker():
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faces = ((0, 1, 4), (1, 2, 4), (2, 3, 4), (3, 0, 4))
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boundary = np.asarray((True, True, True, True, False))
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wide = np.asarray(
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((0, 0), (4, 0), (4, 2), (0, 2), (2, 1)),
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dtype=float,
|
|
)
|
|
narrow = np.asarray(
|
|
((0, 0), (4, 0), (4, 0.6), (0, 0.6), (2, 0.3)),
|
|
dtype=float,
|
|
)
|
|
|
|
wide_profile = poisson_balloon_profile(wide, faces, boundary)
|
|
narrow_profile = poisson_balloon_profile(narrow, faces, boundary)
|
|
|
|
assert wide_profile[4] > narrow_profile[4]
|
|
def test_teddy_balloon_profile_uses_chordal_axis_radius():
|
|
points = np.asarray(
|
|
((0, 0), (4, 0), (4, 2), (0, 2), (2, 1)),
|
|
dtype=float,
|
|
)
|
|
faces = ((0, 1, 4), (1, 2, 4), (2, 3, 4), (3, 0, 4))
|
|
boundary = np.asarray((True, True, True, True, False))
|
|
nodes = np.asarray(((1, 1), (3, 1)), dtype=float)
|
|
|
|
with patch.object(
|
|
cutout_profile,
|
|
"chordal_axis",
|
|
return_value=(nodes, [(0, 1)], np.asarray((1.0, 1.0))),
|
|
):
|
|
profile = cutout_profile.teddy_balloon_heights(
|
|
points,
|
|
faces,
|
|
points[:4],
|
|
boundary,
|
|
0.45,
|
|
)
|
|
|
|
assert np.all(profile[:4] == 0.0)
|
|
assert np.isclose(profile[4], 0.45, atol=1e-6)
|
|
|
|
|
|
|
|
|
|
def test_cutout_domain_adapts_boundary_spacing_for_a_small_valid_region():
|
|
regions = (
|
|
(((2046, 2046), (2050, 2046), (2050, 2050), (2046, 2050)),),
|
|
)
|
|
|
|
domain = mesh._cutout_domain(
|
|
regions,
|
|
(4096, 4096),
|
|
(-1.0, 1.0, -1.0, 1.0),
|
|
0.5,
|
|
((1.0, 0.0), (0.0, 1.0)),
|
|
)
|
|
|
|
assert len(domain[0]) >= 3
|
|
assert len(domain[1]) >= 1
|
|
|
|
|
|
def test_cutout_domain_builds_a_full_image_at_minimum_detail():
|
|
regions = ((((0, 0), (4096, 0), (4096, 4096), (0, 4096)),),)
|
|
|
|
domain = mesh._cutout_domain(
|
|
regions,
|
|
(4096, 4096),
|
|
(-1.0, 1.0, -1.0, 1.0),
|
|
0.5,
|
|
((1.0, 0.0), (0.0, 1.0)),
|
|
)
|
|
|
|
assert len(domain[0]) >= 4
|
|
assert len(domain[1]) >= 2
|
|
|
|
def test_cutout_domain_centers_vertices_on_crop_bounds():
|
|
regions = ((((0, 0), (100, 0), (100, 50), (0, 50)),),)
|
|
|
|
vertices, _faces, uv, _boundary, _planar, _profile = mesh._cutout_domain(
|
|
regions,
|
|
(100, 50),
|
|
(2.0, 6.0, -3.0, 1.0),
|
|
0.5,
|
|
((1.0, 0.0), (0.0, 1.0)),
|
|
)
|
|
|
|
center = (vertices[:, :2].min(axis=0) + vertices[:, :2].max(axis=0)) * 0.5
|
|
assert np.allclose(center, 0.0, atol=1e-6)
|
|
expected_uv = vertices[:, :2] / np.asarray((4.0, 4.0)) + 0.5
|
|
assert np.allclose(uv, expected_uv, atol=1e-6)
|
|
|
|
|
|
def test_cutout_domain_keeps_overlapping_regions_disconnected():
|
|
regions = (
|
|
(
|
|
((20, 0), (100, 0), (100, 80), (20, 80)),
|
|
((50, 20), (50, 60), (70, 60), (70, 20)),
|
|
),
|
|
(
|
|
((0, 20), (40, 20), (40, 50), (0, 50)),
|
|
),
|
|
)
|
|
domain = mesh._cutout_domain(
|
|
regions,
|
|
(120, 80),
|
|
(0.0, 1.0, 0.0, 1.0),
|
|
0.025,
|
|
((1.0, 0.0), (0.0, 1.0)),
|
|
)
|
|
|
|
centers = domain[2][domain[1]].mean(axis=1)
|
|
in_hole = (
|
|
(centers[:, 0] > 0.45)
|
|
& (centers[:, 0] < 0.55)
|
|
& (centers[:, 1] > 0.35)
|
|
& (centers[:, 1] < 0.65)
|
|
)
|
|
in_left_region = (
|
|
(centers[:, 0] > 0.02)
|
|
& (centers[:, 0] < 0.12)
|
|
& (centers[:, 1] > 0.4)
|
|
& (centers[:, 1] < 0.75)
|
|
)
|
|
|
|
assert not in_hole.any()
|
|
assert in_left_region.any()
|
|
assert mesh_component_count(domain[1]) == 2
|