nan
4035f5c9e4
- Unified the canonical local frame for generated geometries (Plane, Depth Plane, Relief Plane, Cutout, Depth Cutout) to align with Blender's object coordinate system, setting X as horizontal, Z as up, and +Y as depth. - Removed the `Depth Axis` parameter from `O Image Cutout` and `O Image Depth Cutout`, simplifying the geometry generation process. - Updated the depth direction defaults to use +Y instead of -Z for `O Image Relief Plane` and Depth Symmetry. - Adjusted the geometry nodes to ensure thickness, projection, and shell displacements operate along the Y-axis. - Implemented new capabilities for handling object space normals to align with the new canonical frame. - Enhanced the Depth Symmetry functionality to mirror across the canonical Y-axis and perform a final rotation to maintain the correct orientation. - Added tests to validate the new coordinate system and ensure compatibility with existing assets.
521 lines
21 KiB
Python
521 lines
21 KiB
Python
from types import SimpleNamespace
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from unittest.mock import patch
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import bpy
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import numpy as np
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import pytest
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from mathutils import Matrix, Vector
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from anyimage.common import depth as depth_data
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from tests.support.color_image import color_image as prepared_color_image
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from anyimage.common import image as image_data
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from anyimage.common import material as material_data
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from anyimage.common import object as object_data
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from anyimage.common.selection import ImageEditWarning, SelectionPath, rasterize_selection_path
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from anyimage.operators.cutout_tool import geometry as cutout_geometry
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from anyimage.operators.cutout_tool import operators as cutout_main
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from anyimage.operators.cutout_tool import shape as cutout_shape
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from anyimage.operators.cutout_tool.boundary_padding import (
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image_rgba_buffer,
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pad_cutout_images,
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)
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from anyimage.server.geometry.depth_texture import (
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write_depth_texture,
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)
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from anyimage.server.models.geometry import GeometryFrame
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from tests.support.image_objects import _add_cutout_modifier, _create_cutout_shape, _depth_image, _depth_metadata, _evaluated_positions, _group_node
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def test_depth_result_image_loads_server_vector_exr_and_keeps_data_name(tmp_path):
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bpy.ops.wm.read_factory_settings(use_empty=True)
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source_image = bpy.data.images.new("Source.png", width=2, height=2)
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source = bpy.data.objects.new("Source", None)
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source.data = source_image
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points = np.arange(12, dtype=np.float32).reshape((2, 2, 3))
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validity = np.asarray(((1.0, 0.0), (0.5, 1.0)), dtype=np.float32)
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frame = GeometryFrame(
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depth=points[..., 2].copy(),
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validity=validity,
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intrinsics=np.eye(3, dtype=np.float32),
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points=points,
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)
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path = tmp_path / "depth.exr"
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alpha = np.asarray(((0.8, 1.0), (0.75, 0.0)), dtype=np.float32)
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write_depth_texture(frame, path, alpha=alpha)
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metadata = _depth_metadata(np.eye(3), (2, 2), 1.0)
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image = depth_data.load_depth_result_image(path, source, metadata)
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packed = np.empty(16, dtype=np.float32)
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image.pixels.foreach_get(packed)
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packed = np.flipud(packed.reshape((2, 2, 4)))
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assert np.array_equal(packed[..., :3], points)
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assert np.array_equal(packed[..., 3], alpha * validity)
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camera_depth, valid = depth_data.camera_depth_values(image)
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np.testing.assert_array_equal(camera_depth, points[..., 2])
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np.testing.assert_array_equal(valid, alpha * validity > 0.5)
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assert image.alpha_mode == "CHANNEL_PACKED"
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assert image.name == "Source_depth.exr"
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def test_depth_texture_keeps_points_outside_positive_validity(tmp_path):
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bpy.ops.wm.read_factory_settings(use_empty=True)
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source_image = bpy.data.images.new("Source.png", width=2, height=1)
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source = bpy.data.objects.new("Source", None)
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source.data = source_image
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frame = GeometryFrame(
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depth=np.asarray(((2.0, 7.0),), dtype=np.float32),
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points=np.asarray((((-1.0, 3.0, 2.0), (4.0, -2.0, 7.0)),), dtype=np.float32),
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validity=np.asarray(((1.0, 0.0),), dtype=np.float32),
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intrinsics=np.eye(3, dtype=np.float32),
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)
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path = tmp_path / "depth.exr"
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write_depth_texture(frame, path, alpha=np.ones_like(frame.validity))
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image = depth_data.load_depth_result_image(
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path,
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source,
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_depth_metadata(np.eye(3), (2, 1), 2.0),
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)
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packed = np.empty(8, dtype=np.float32)
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image.pixels.foreach_get(packed)
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packed = packed.reshape((1, 2, 4))
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assert np.array_equal(packed[..., :3], frame.points)
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assert np.array_equal(packed[..., 3], frame.validity)
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def test_balloon_build_starts_from_the_unified_single_sheet():
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bpy.ops.wm.read_factory_settings(use_empty=True)
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image = bpy.data.images.new("Balloon Sheet", width=64, height=64, alpha=True)
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source = bpy.data.objects.new("Balloon Sheet", None)
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source.empty_display_type = "IMAGE"
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source.data = image
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source.empty_display_size = 2.0
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bpy.context.collection.objects.link(source)
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result = _create_cutout_shape(
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source,
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"SOLID",
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0.1,
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)
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assert all(abs(vertex.co.y) < 1e-8 for vertex in result.data.vertices)
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assert len(result.data.vertices) > 4
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assert len(result.data.polygons) > 1
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assert cutout_shape.BALLOON_ATTRIBUTE_NAME in result.data.attributes
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profile_attribute = result.data.attributes[cutout_shape.BALLOON_ATTRIBUTE_NAME]
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assert profile_attribute.data_type == "FLOAT"
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assert profile_attribute.domain == "POINT"
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profile = np.empty(len(result.data.vertices), dtype=np.float32)
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profile_attribute.data.foreach_get("value", profile)
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assert profile.min() == 0.0 and profile.max() > 0.0
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material_tree = result.data.materials[0].node_tree
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assert not any(node.bl_idname == "ShaderNodeAttribute" for node in material_tree.nodes)
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image_layer = _group_node(material_data.material_node_group(), material_tree)
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assert not image_layer.inputs["Normal Scale"].is_linked
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assert image_layer.inputs["Normal Scale"].default_value == 1.0
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assert result.modifiers[0].node_group.name == cutout_shape.CUTOUT_NODE_GROUP_NAMES["SOLID"]
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inward = result.matrix_world.to_3x3() @ Vector((0.0, 1.0, 0.0))
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assert np.allclose(tuple(inward), (0.0, 0.0, -1.0), atol=1e-6)
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@pytest.mark.parametrize("gesture", ("LASSO", "POLYLINE"))
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def test_depth_surface_object_evaluates(gesture):
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bpy.ops.wm.read_factory_settings(use_empty=True)
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image = bpy.data.images.new("Surface", width=64, height=64)
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source = bpy.data.objects.new("Surface", None)
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source.empty_display_type = "IMAGE"
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source.data = image
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source.empty_display_size = 2.0
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bpy.context.collection.objects.link(source)
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size = 8
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depth = np.ones((size, size), dtype=np.float32)
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x, y = np.meshgrid(np.arange(size), np.arange(size))
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intrinsics = np.asarray(
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((8.0, 0.0, 3.5), (0.0, 8.0, 3.5), (0.0, 0.0, 1.0)),
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dtype=np.float32,
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)
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points = np.empty((size, size, 3), dtype=np.float32)
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points[..., 0] = (x - intrinsics[0, 2]) / intrinsics[0, 0] * depth
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points[..., 1] = (y - intrinsics[1, 2]) / intrinsics[1, 1] * depth
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points[..., 2] = depth
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valid = np.ones((size, size), dtype=bool)
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depth_image = _depth_image(points, valid)
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depth_metadata = _depth_metadata(intrinsics, (size, size), 1.0)
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result = _create_cutout_shape(
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source,
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"DEPTH_SOLID",
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0.25,
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depth_image=depth_image,
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depth_metadata=depth_metadata,
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gesture=gesture,
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)
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assert all(abs(vertex.co.y) < 1e-8 for vertex in result.data.vertices)
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assert cutout_shape.BALLOON_ATTRIBUTE_NAME in result.data.attributes
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modifier = result.modifiers[0]
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assert modifier.node_group.name == cutout_shape.CUTOUT_NODE_GROUP_NAMES["DEPTH_SOLID"]
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layer = _group_node(material_data.material_node_group(), result.data.materials[0].node_tree)
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assert layer.inputs["Object Space"].default_value is True
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assert modifier_value(modifier, object_data.modifier_input_identifier(modifier.node_group, "Mode")) == (1 if gesture == "POLYLINE" else 0)
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assert modifier_value(modifier, object_data.modifier_input_identifier(modifier.node_group, "Thickness", subtype="DISTANCE")) == pytest.approx(0.2)
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assert modifier_value(modifier, object_data.modifier_input_identifier(modifier.node_group, "Thickness", subtype="NONE")) == 1.0
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object_data.set_modifier_input(
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modifier,
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object_data.modifier_input_identifier(modifier.node_group, "Thickness", subtype="DISTANCE"),
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0.0,
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)
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expected_cleanup = cutout_geometry.cutout_cleanup_value(
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0.25,
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cutout_geometry.world_plane_metric(source.matrix_world)[0],
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)
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assert np.isclose(
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modifier_value(modifier, object_data.modifier_input_identifier(modifier.node_group, "Cleanup Threshold")),
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expected_cleanup,
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)
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assert np.isclose(modifier_value(modifier, object_data.modifier_input_identifier(modifier.node_group, "Smooth Weight")), 1.0)
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for name, value in (("Mode", 1), ("Front Inflation", 0.0)):
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object_data.set_modifier_input(modifier, object_data.modifier_input_identifier(modifier.node_group, name), value)
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reference_id = object_data.modifier_input_identifier(
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modifier.node_group,
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"Reference Depth",
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)
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assert modifier_value(modifier, reference_id) == 8.0
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object_data.set_modifier_input(
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modifier,
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object_data.modifier_input_identifier(modifier.node_group, "Smooth Weight"),
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0.0,
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)
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evaluated = result.evaluated_get(bpy.context.evaluated_depsgraph_get())
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baseline_mesh = evaluated.to_mesh()
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try:
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baseline_y = np.asarray([vertex.co.y for vertex in baseline_mesh.vertices])
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baseline_min = baseline_y.min()
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baseline_max = baseline_y.max()
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finally:
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evaluated.to_mesh_clear()
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object_data.set_modifier_input(
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modifier,
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object_data.modifier_input_identifier(modifier.node_group, "Thickness", subtype="DISTANCE"),
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1.0,
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)
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result.update_tag(refresh={"DATA"})
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bpy.context.view_layer.update()
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evaluated = result.evaluated_get(bpy.context.evaluated_depsgraph_get())
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evaluated_mesh = evaluated.to_mesh()
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try:
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assert len(evaluated_mesh.polygons) > 0
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y = np.asarray([vertex.co.y for vertex in evaluated_mesh.vertices])
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assert np.isclose(y.min(), baseline_min, atol=1e-5)
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assert np.isclose(y.max(), baseline_max + 1.0, atol=1e-5)
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finally:
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evaluated.to_mesh_clear()
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def test_depth_surface_keeps_continuous_points_across_zero_validity_edge():
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bpy.ops.wm.read_factory_settings(use_empty=True)
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image = bpy.data.images.new("Surface", width=64, height=64)
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source = bpy.data.objects.new("Surface", None)
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source.empty_display_type = "IMAGE"
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source.data = image
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source.empty_display_size = 2.0
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bpy.context.collection.objects.link(source)
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size = 8
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depth = np.ones((size, size), dtype=np.float32)
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x, y = np.meshgrid(np.arange(size), np.arange(size))
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intrinsics = np.asarray(
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((8.0, 0.0, 3.5), (0.0, 8.0, 3.5), (0.0, 0.0, 1.0)),
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dtype=np.float32,
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)
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points = np.empty((size, size, 3), dtype=np.float32)
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points[..., 0] = (x - intrinsics[0, 2]) / intrinsics[0, 0] * depth
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points[..., 1] = (y - intrinsics[1, 2]) / intrinsics[1, 1] * depth
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points[..., 2] = depth
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validity = np.ones((size, size), dtype=bool)
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validity[[0, -1], :] = False
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validity[:, [0, -1]] = False
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result = _create_cutout_shape(
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source,
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"DEPTH_SOLID",
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0.1,
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depth_image=_depth_image(points, validity),
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depth_metadata=_depth_metadata(intrinsics, (size, size), 1.0),
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)
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modifier = result.modifiers[0]
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object_data.set_modifier_input(
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modifier,
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object_data.modifier_input_identifier(modifier.node_group, "Thickness"),
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0.0,
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)
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result.update_tag(refresh={"DATA"})
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bpy.context.view_layer.update()
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positions = _evaluated_positions(result)
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assert np.isfinite(positions).all()
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assert np.ptp(positions[:, 0]) > 1.5
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assert np.ptp(positions[:, 2]) > 1.5
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assert np.ptp(positions[:, 1]) < 1e-4
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@pytest.mark.parametrize("gesture", ("LASSO", "POLYLINE"))
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def test_depth_symmetry_uses_metric_plane_inputs(gesture):
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bpy.ops.wm.read_factory_settings(use_empty=True)
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image = bpy.data.images.new("Depth Symmetry", width=100, height=100, alpha=True)
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source = bpy.data.objects.new("Depth Symmetry", None)
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source.empty_display_type = "IMAGE"
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source.data = image
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source.empty_display_size = 2.0
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bpy.context.collection.objects.link(source)
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crop_bounds = (50, 20, 90, 80)
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local_bounds = cutout_geometry.crop_plane_bounds(
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source,
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crop_bounds,
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(100, 100),
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)
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y, x = np.indices((61, 41), dtype=np.float32)
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normalized_x = x / 40.0 * 2.0 - 1.0
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normalized_y = y / 60.0 * 2.0 - 1.0
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points = np.zeros((61, 41, 3), dtype=np.float32)
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points[..., 0] = normalized_x
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points[..., 1] = normalized_y
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points[..., 2] = 2.0 + normalized_x * 0.15 - normalized_y * 0.1
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points[27:34, 17:24, 2] -= 0.25
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intrinsics = np.asarray(
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((50.0, 0.0, 20.0), (0.0, 50.0, 30.0), (0.0, 0.0, 1.0)),
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dtype=np.float32,
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)
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valid = np.ones((61, 41), dtype=bool)
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depth_image = _depth_image(points, valid)
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depth_metadata = _depth_metadata(intrinsics, (41, 61), 2.0)
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selection_values = np.ones((60, 40), dtype=np.float32)
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selection_values[:, :2] = 0.0
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result = _create_cutout_shape(
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source,
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"DEPTH_SYMMETRY",
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0.1,
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depth_image=depth_image,
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depth_metadata=depth_metadata,
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bounds=crop_bounds,
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selection_values=selection_values,
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gesture=gesture,
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)
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assert all(abs(vertex.co.y) < 1e-8 for vertex in result.data.vertices)
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assert cutout_shape.BALLOON_ATTRIBUTE_NAME in result.data.attributes
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assert {obj.name for obj in bpy.context.scene.objects} == {
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source.name,
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result.name,
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}
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assert len(result.modifiers) == 2
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modifier, symmetry = result.modifiers
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assert modifier.node_group.name == "O Image Depth Cutout"
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assert symmetry.node_group.name == "O Image Cutout Symmetry"
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layer = _group_node(material_data.material_node_group(), result.data.materials[0].node_tree)
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assert layer.inputs["Object Space"].default_value is True
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assert not modifier.show_group_selector and not symmetry.show_group_selector
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def value(modifier, name, subtype=None):
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return modifier_value(modifier, object_data.modifier_input_identifier(
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modifier.node_group, name, subtype=subtype))
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assert value(modifier, "Mode") == (1 if gesture == "POLYLINE" else 0)
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for subtype in ("NONE", "DISTANCE"):
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assert value(modifier, "Thickness", subtype) == 0
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initialized = {"Mode", "Cleanup Threshold", "Depth Scale", "Uniform Scale", "Reference Depth", "Depth Image"}
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for socket in modifier.node_group.interface.items_tree:
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if (socket.item_type == "SOCKET" and socket.in_out == "INPUT"
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and socket.name not in initialized
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and socket.socket_type in {"NodeSocketFloat", "NodeSocketInt"}):
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assert modifier_value(modifier, socket.identifier) == pytest.approx(socket.default_value)
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assert isinstance(value(modifier, "Depth Image"), bpy.types.Image)
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assert value(modifier, "Uniform Scale") > 0
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assert value(modifier, "Reference Depth") > 0
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assert not np.allclose(value(symmetry, "Direction"), (0, 1, 0))
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crop_center = Vector(((local_bounds[0] + local_bounds[1]) / 2,
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(local_bounds[2] + local_bounds[3]) / 2, 0))
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np.testing.assert_allclose(result.matrix_world.translation, source.matrix_world @ crop_center, atol=1e-5)
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from scipy.spatial import cKDTree
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positions = _evaluated_positions(result)
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assert len(positions) and np.isfinite(positions).all()
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assert cKDTree(positions).query(positions * (-1, 1, 1))[0].max() < 1e-5
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# Both modes start from the same front, including after changing the menu.
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object_data.set_modifier_input(modifier,
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object_data.modifier_input_identifier(modifier.node_group, "Mode"),
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0 if gesture == "POLYLINE" else 1)
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result.update_tag(refresh={"DATA"})
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bpy.context.view_layer.update()
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changed = _evaluated_positions(result)
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np.testing.assert_array_equal(changed, positions)
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@pytest.mark.parametrize("float_buffer", (False, True))
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def test_boundary_padding_preserves_independent_blender_image_interpretation(float_buffer):
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bpy.ops.wm.read_factory_settings(use_empty=True)
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source = bpy.data.images.new(
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"Padding Source", width=9, height=9, alpha=True, float_buffer=float_buffer
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)
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padded = bpy.data.images.new(
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"Padding Color", width=9, height=9, alpha=True, float_buffer=float_buffer
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)
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source.alpha_mode = padded.alpha_mode = "CHANNEL_PACKED"
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values = np.zeros((9, 9, 4), dtype=np.float32)
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values[2:7, 2:7] = (0.25, 0.5, 0.75, 1.0)
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source.pixels.foreach_set(np.flipud(values).ravel())
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padded.pixels.foreach_set(np.flipud(values).ravel())
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original = image_rgba_buffer(source)
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pad_cutout_images(padded, None, None, values[..., 3], 0.5, 2.0)
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np.testing.assert_array_equal(image_rgba_buffer(source), original)
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assert image_rgba_buffer(padded)[1, 4, 3] == pytest.approx(1.0)
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assert padded.is_float is float_buffer
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assert padded.alpha_mode == "CHANNEL_PACKED"
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assert padded.packed_file is not None
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|
|
def test_local_cutout_selection_matches_uint8_tenth_alpha_boundary():
|
|
top_down = np.ones((4, 4, 4), dtype=np.float32)
|
|
top_down[1, 1, 3] = 25.0 / 255.0
|
|
top_down[1, 2, 3] = 26.0 / 255.0
|
|
selection_mask = rasterize_selection_path(
|
|
(4, 4),
|
|
SelectionPath(
|
|
points=((0, 0), (4, 0), (4, 4), (0, 4)),
|
|
),
|
|
)
|
|
selection = cutout_main._cutout_content_values(
|
|
top_down[:, :, 3],
|
|
selection_mask.values,
|
|
)
|
|
|
|
assert selection[1, 1] <= cutout_geometry.CUTOUT_ALPHA_THRESHOLD
|
|
assert selection[1, 2] > 0.1
|
|
|
|
|
|
def test_cutout_content_merge_keeps_the_geometric_selection_unchanged():
|
|
selection = np.asarray(((0.25, 1.0), (0.5, 0.75)), dtype=np.float32)
|
|
original = selection.copy()
|
|
alpha = np.asarray(((1.0, 0.5), (0.0, 0.25)), dtype=np.float32)
|
|
|
|
content = cutout_main._cutout_content_values(
|
|
alpha, selection, alpha_threshold=0.5
|
|
)
|
|
|
|
np.testing.assert_array_equal(selection, original)
|
|
np.testing.assert_allclose(content, alpha * original)
|
|
with pytest.raises(ImageEditWarning, match="no visible image pixels"):
|
|
cutout_main._cutout_content_values(np.zeros((2, 2)), selection)
|
|
|
|
|
|
def test_local_cutout_builds_from_blender_image_pixels_without_a_job():
|
|
bpy.ops.wm.read_factory_settings(use_empty=True)
|
|
image = bpy.data.images.new("Local Cutout", width=64, height=48, alpha=True)
|
|
source_rgba = np.ones((48, 64, 4), dtype=np.float32)
|
|
source_rgba[:, :, 3] = np.linspace(0.25, 1.0, 48, dtype=np.float32)[:, None]
|
|
image.pixels.foreach_set(np.flipud(source_rgba).ravel())
|
|
source = bpy.data.objects.new("Local Cutout", None)
|
|
source.empty_display_type = "IMAGE"
|
|
source.data = image
|
|
bpy.context.collection.objects.link(source)
|
|
source.select_set(True)
|
|
bpy.context.view_layer.objects.active = source
|
|
selection_path = SelectionPath(
|
|
points=((-8, 8), (72, 8), (72, 40), (-8, 40)),
|
|
)
|
|
source_bounds = image_data.image_empty_bounds(source)
|
|
|
|
with patch.object(
|
|
image_data,
|
|
"image_rgba",
|
|
wraps=image_data.image_rgba,
|
|
) as read_rgba:
|
|
rgba = image_data.image_rgba(image)
|
|
selection_mask = rasterize_selection_path(
|
|
tuple(image.size),
|
|
selection_path,
|
|
antialias=True,
|
|
)
|
|
left, top, right, bottom = selection_mask.bounds
|
|
content_values = cutout_main._cutout_content_values(
|
|
rgba[top:bottom, left:right, 3],
|
|
selection_mask.values,
|
|
alpha_threshold=0.5,
|
|
)
|
|
color_image = prepared_color_image(
|
|
source.data,
|
|
selection_mask.bounds,
|
|
rgba,
|
|
)
|
|
cutout_main.create_cutout_shape(
|
|
bpy.context,
|
|
source,
|
|
"FLAT",
|
|
0.1,
|
|
content_values,
|
|
selection_mask.bounds,
|
|
alpha_threshold=0.5,
|
|
boundary_padding=0.0,
|
|
color_image=color_image,
|
|
)
|
|
|
|
read_rgba.assert_called_once_with(image)
|
|
|
|
result = bpy.context.view_layer.objects.active
|
|
assert result is not source
|
|
assert result.type == "MESH"
|
|
assert result["anyimage_mesh_shape"] == "FLAT"
|
|
modifier = result.modifiers[0]
|
|
assert modifier.node_group.name == cutout_shape.CUTOUT_NODE_GROUP_NAMES["FLAT"]
|
|
expected_cleanup = cutout_geometry.cutout_cleanup_value(
|
|
0.1,
|
|
cutout_geometry.world_plane_metric(source.matrix_world)[0],
|
|
)
|
|
assert np.isclose(
|
|
modifier_value(modifier, object_data.modifier_input_identifier(modifier.node_group, "Cleanup Threshold")),
|
|
expected_cleanup,
|
|
)
|
|
assert len(result.data.vertices) > 4
|
|
assert len(result.data.polygons) > 1
|
|
assert all(polygon.use_smooth for polygon in result.data.polygons)
|
|
assert all(abs(vertex.co.y) < 1e-8 for vertex in result.data.vertices)
|
|
assert cutout_shape.BALLOON_ATTRIBUTE_NAME in result.data.attributes
|
|
source_inverse = source.matrix_world.inverted()
|
|
source_x = [
|
|
(source_inverse @ (result.matrix_world @ vertex.co)).x
|
|
for vertex in result.data.vertices
|
|
]
|
|
assert min(source_x) >= source_bounds[0]
|
|
assert max(source_x) <= source_bounds[1]
|
|
assert bpy.data.objects.get(source.name) is source
|
|
assert result.data.materials[0].node_tree is not None
|
|
color_texture = next(
|
|
node
|
|
for node in result.data.materials[0].node_tree.nodes
|
|
if node.bl_idname == "ShaderNodeTexImage"
|
|
)
|
|
assert color_texture.image is not image
|
|
assert tuple(color_texture.image.size) == (64, 36)
|
|
copied = np.empty(36 * 64 * 4, dtype=np.float32)
|
|
color_texture.image.pixels.foreach_get(copied)
|
|
copied = copied.reshape((36, 64, 4))
|
|
assert np.allclose(copied[:, :, :3], 1.0)
|
|
left, top, right, bottom = selection_mask.bounds
|
|
assert np.allclose(
|
|
copied[:, :, 3], np.flipud(rgba[top:bottom, left:right, 3])
|
|
)
|
|
|
|
|
|
def modifier_value(modifier, identifier):
|
|
"""Read modifier values through the runtime's socket API."""
|
|
inputs = object_data._modifier_input_slots(modifier)
|
|
if inputs is None:
|
|
return modifier[identifier]
|
|
slot = getattr(inputs, identifier)
|
|
prop = slot.bl_rna.properties["value"]
|
|
if prop.type == "ENUM":
|
|
return list(prop.enum_items.keys()).index(slot.value)
|
|
return slot.value
|