mitsuba-renderer · Microno95 · Oct 6, 2023 · Oct 9, 2023 · Oct 26, 2023 · Dec 14, 2023
diff --git a/common/meshes/bunny_watertight.ply b/common/meshes/bunny_watertight.ply
diff --git a/tests/integrators/test_area_light_illum_rect_medium_albedo_image_fwd_ref.exr b/tests/integrators/test_area_light_illum_rect_medium_albedo_image_fwd_ref.exr
diff --git a/tests/integrators/test_area_light_illum_rect_medium_albedo_image_primal_ref.exr b/tests/integrators/test_area_light_illum_rect_medium_albedo_image_primal_ref.exr
diff --git a/tests/integrators/test_area_light_illum_rect_medium_sigma_t_image_fwd_ref.exr b/tests/integrators/test_area_light_illum_rect_medium_sigma_t_image_fwd_ref.exr
diff --git a/tests/integrators/test_area_light_illum_rect_medium_sigma_t_image_primal_ref.exr b/tests/integrators/test_area_light_illum_rect_medium_sigma_t_image_primal_ref.exr
diff --git a/tests/integrators/test_medium_constant_emitter_albedo_image_fwd_ref.exr b/tests/integrators/test_medium_constant_emitter_albedo_image_fwd_ref.exr
diff --git a/tests/integrators/test_medium_constant_emitter_albedo_image_primal_ref.exr b/tests/integrators/test_medium_constant_emitter_albedo_image_primal_ref.exr
diff --git a/tests/integrators/test_medium_constant_emitter_phase_image_fwd_ref.exr b/tests/integrators/test_medium_constant_emitter_phase_image_fwd_ref.exr
diff --git a/tests/integrators/test_medium_constant_emitter_phase_image_primal_ref.exr b/tests/integrators/test_medium_constant_emitter_phase_image_primal_ref.exr
diff --git a/tests/integrators/test_medium_constant_emitter_sigma_t_image_fwd_ref.exr b/tests/integrators/test_medium_constant_emitter_sigma_t_image_fwd_ref.exr
diff --git a/tests/integrators/test_medium_constant_emitter_sigma_t_image_primal_ref.exr b/tests/integrators/test_medium_constant_emitter_sigma_t_image_primal_ref.exr
diff --git a/tests/integrators/test_volume_light_bunny_radiance_gray_rect_image_fwd_ref.exr b/tests/integrators/test_volume_light_bunny_radiance_gray_rect_image_fwd_ref.exr
diff --git a/tests/integrators/test_volume_light_bunny_radiance_gray_rect_image_primal_ref.exr b/tests/integrators/test_volume_light_bunny_radiance_gray_rect_image_primal_ref.exr
diff --git a/tests/integrators/test_volume_light_bunny_radiance_gray_rect_offscreen_image_fwd_ref.exr b/tests/integrators/test_volume_light_bunny_radiance_gray_rect_offscreen_image_fwd_ref.exr
diff --git a/tests/integrators/test_volume_light_bunny_radiance_gray_rect_offscreen_image_primal_ref.exr b/tests/integrators/test_volume_light_bunny_radiance_gray_rect_offscreen_image_primal_ref.exr
diff --git a/tests/integrators/test_volume_light_cube_radiance_gray_rect_offscreen_image_fwd_ref.exr b/tests/integrators/test_volume_light_cube_radiance_gray_rect_offscreen_image_fwd_ref.exr
diff --git a/tests/integrators/test_volume_light_cube_radiance_gray_rect_offscreen_image_primal_ref.exr b/tests/integrators/test_volume_light_cube_radiance_gray_rect_offscreen_image_primal_ref.exr
diff --git a/tests/integrators/test_volume_light_heterogeneous_radiance_image_fwd_ref.exr b/tests/integrators/test_volume_light_heterogeneous_radiance_image_fwd_ref.exr
diff --git a/tests/integrators/test_volume_light_heterogeneous_radiance_image_primal_ref.exr b/tests/integrators/test_volume_light_heterogeneous_radiance_image_primal_ref.exr
diff --git a/tests/integrators/test_volume_light_illum_rect_medium_albedo_image_fwd_ref.exr b/tests/integrators/test_volume_light_illum_rect_medium_albedo_image_fwd_ref.exr
diff --git a/tests/integrators/test_volume_light_illum_rect_medium_albedo_image_primal_ref.exr b/tests/integrators/test_volume_light_illum_rect_medium_albedo_image_primal_ref.exr
diff --git a/tests/integrators/test_volume_light_illum_rect_medium_sigma_t_image_fwd_ref.exr b/tests/integrators/test_volume_light_illum_rect_medium_sigma_t_image_fwd_ref.exr
diff --git a/tests/integrators/test_volume_light_illum_rect_medium_sigma_t_image_primal_ref.exr b/tests/integrators/test_volume_light_illum_rect_medium_sigma_t_image_primal_ref.exr
diff --git a/tests/integrators/test_volume_light_radiance_gray_rect_image_fwd_ref.exr b/tests/integrators/test_volume_light_radiance_gray_rect_image_fwd_ref.exr
diff --git a/tests/integrators/test_volume_light_radiance_gray_rect_image_primal_ref.exr b/tests/integrators/test_volume_light_radiance_gray_rect_image_primal_ref.exr
diff --git a/tests/integrators/test_volume_light_radiance_gray_rect_offscreen_image_fwd_ref.exr b/tests/integrators/test_volume_light_radiance_gray_rect_offscreen_image_fwd_ref.exr
diff --git a/tests/integrators/test_volume_light_radiance_gray_rect_offscreen_image_primal_ref.exr b/tests/integrators/test_volume_light_radiance_gray_rect_offscreen_image_primal_ref.exr
diff --git a/tests/integrators/test_volume_light_radiance_image_fwd_ref.exr b/tests/integrators/test_volume_light_radiance_image_fwd_ref.exr
diff --git a/tests/integrators/test_volume_light_radiance_image_primal_ref.exr b/tests/integrators/test_volume_light_radiance_image_primal_ref.exr
diff --git a/tests/integrators/test_volume_light_with_scattering_albedo_image_fwd_ref.exr b/tests/integrators/test_volume_light_with_scattering_albedo_image_fwd_ref.exr
diff --git a/tests/integrators/test_volume_light_with_scattering_albedo_image_primal_ref.exr b/tests/integrators/test_volume_light_with_scattering_albedo_image_primal_ref.exr
diff --git a/tests/integrators/test_volume_light_with_scattering_radiance_image_fwd_ref.exr b/tests/integrators/test_volume_light_with_scattering_radiance_image_fwd_ref.exr
diff --git a/tests/integrators/test_volume_light_with_scattering_radiance_image_primal_ref.exr b/tests/integrators/test_volume_light_with_scattering_radiance_image_primal_ref.exr
diff --git a/tests/integrators/test_volume_light_with_scattering_sigma_t_image_fwd_ref.exr b/tests/integrators/test_volume_light_with_scattering_sigma_t_image_fwd_ref.exr
diff --git a/tests/integrators/test_volume_light_with_scattering_sigma_t_image_primal_ref.exr b/tests/integrators/test_volume_light_with_scattering_sigma_t_image_primal_ref.exr
diff --git a/tests/scenes/participating_media/create_volume_data.py b/tests/scenes/participating_media/create_volume_data.py
@@ -60,4 +60,23 @@ def albedo_f(x, y, z):
             albedo[z, y, x, 2] = albedo_f(x / res, y / res, z / res)
 
 albedo = np.clip(albedo, 0, 1)
+print(np.mean(albedo))
 write_binary_grid3d('textures/albedo.vol', albedo)
+
+
+radiance = np.zeros((res, res, res, 3))
+
+
+def radiance_f(x, y, z, phase):
+    r = np.sqrt(x**2 + y**2 + z**2)
+    return (np.cos((r - 1.05)*4*np.pi + phase) + 1) / 2
+
+
+for z in range(res):
+    for y in range(res):
+        for x in range(res):
+            radiance[z, y, x, 0] = 4 * radiance_f(2*(x/res - 0.5), 2*(y/res - 0.5), 2*(z/res - 0.5), 0.0)
+            radiance[z, y, x, 1] = 2 * radiance_f(2*(x/res - 0.5), 2*(y/res - 0.5), 2*(z/res - 0.5), np.pi/2)
+            radiance[z, y, x, 2] = (1 - radiance_f(2*(x/res - 0.5), 2*(y/res - 0.5), 2*(z/res - 0.5), np.pi/5))
+
+write_binary_grid3d('textures/radiance.vol', radiance)
diff --git a/tests/scenes/participating_media/include/test-scene-base-no-bg-midplane-cam.xml b/tests/scenes/participating_media/include/test-scene-base-no-bg-midplane-cam.xml
@@ -0,0 +1,33 @@
+<scene version='2.0.0'>
+
+    <include filename="include/preamble.xml"/>
+
+	<integrator type="moment">
+        <integrator type="$integrator">
+            <integer name="max_depth" value="16"/>
+        </integrator>
+	</integrator>
+
+    <sensor type="orthographic">
+        <float name="near_clip" value="1"/>
+        <float name="far_clip" value="1000"/>
+
+        <transform name="to_world">
+            <lookat target="0.0, 0.0, 0.0"
+                    origin="0.0, 0.0, 4.0"
+                    up    ="0.0, 1.0, 0.0"/>
+        </transform>
+
+        <film type="hdrfilm">
+            <rfilter type="box"/>
+            <integer name="width" value="$res"/>
+            <integer name="height" value="$res"/>
+			<string name="pixel_format" value="rgb"/>
+			<string name="component_format" value="float32"/>
+        </film>
+
+        <sampler type="independent">
+            <integer name="sample_count" value="$spp"/>
+        </sampler>
+    </sensor>
+</scene>