Read velocities from point based schemas (#676)

* Read velocities on point based geometries #221 Co-authored-by: sebastien.ortega <sebastien@solidangle.com> Co-authored-by: ADS\blaines <sebastien.blaineau.ortega@autodesk.com>
Autodesk · Mar 1, 2021 · fe23d56 · fe23d56
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diff --git a/testsuite/test_0157/README b/testsuite/test_0157/README
@@ -0,0 +1,6 @@
+Mesh Velocities with varying topologies
+
+See #221 #564
+
+author: sebastien ortega
+
diff --git a/testsuite/test_0157/data/scene.usda b/testsuite/test_0157/data/scene.usda
@@ -0,0 +1,71 @@
+#usda 1.0
+(
+    defaultPrim = "sopcreate1"
+    endTimeCode = 8
+    framesPerSecond = 24
+    metersPerUnit = 1
+    startTimeCode = 4
+    timeCodesPerSecond = 24
+    upAxis = "Y"
+)
+
+def Xform "sopcreate1" (
+    kind = "component"
+)
+{
+    matrix4d xformOp:transform:xform = ( (1, 0, 0, 0), (0, 1, 0, 0), (0, 0, 1, 0), (0, 0, 0, 1) )
+    uniform token[] xformOpOrder = ["xformOp:transform:xform"]
+
+    def Mesh "mesh_0"
+    {
+        float3[] extent.timeSamples = {
+            3: [(-0.50000006, -0.86602545, -0.5), (1, 0.8660254, 0.5)],
+            4: [(-1, -1, -0.5), (1, 1, 0.5)],
+            5: [(-0.80901706, -0.9510565, -0.5), (1, 0.95105654, 0.5)],
+            6: [(-1, -0.86602545, -0.5), (1, 0.86602545, 0.5)],
+            7: [(-0.9009689, -0.9749279, -0.5), (1, 0.9749279, 0.5)],
+            8: [(-1, -1, -0.5), (1, 1, 0.5)],
+        }
+        int[] faceVertexCounts.timeSamples = {
+            3: [3, 3, 4, 4, 4],
+            4: [4, 4, 4, 4, 4, 4],
+            5: [5, 5, 4, 4, 4, 4, 4],
+            6: [6, 6, 4, 4, 4, 4, 4, 4],
+            7: [7, 7, 4, 4, 4, 4, 4, 4, 4],
+            8: [8, 8, 4, 4, 4, 4, 4, 4, 4, 4],
+        }
+        int[] faceVertexIndices.timeSamples = {
+            3: [2, 1, 0, 3, 4, 5, 0, 1, 4, 3, 1, 2, 5, 4, 2, 0, 3, 5],
+            4: [3, 2, 1, 0, 4, 5, 6, 7, 0, 1, 5, 4, 1, 2, 6, 5, 2, 3, 7, 6, 3, 0, 4, 7],
+            5: [4, 3, 2, 1, 0, 5, 6, 7, 8, 9, 0, 1, 6, 5, 1, 2, 7, 6, 2, 3, 8, 7, 3, 4, 9, 8, 4, 0, 5, 9],
+            6: [5, 4, 3, 2, 1, 0, 6, 7, 8, 9, 10, 11, 0, 1, 7, 6, 1, 2, 8, 7, 2, 3, 9, 8, 3, 4, 10, 9, 4, 5, 11, 10, 5, 0, 6, 11],
+            7: [6, 5, 4, 3, 2, 1, 0, 7, 8, 9, 10, 11, 12, 13, 0, 1, 8, 7, 1, 2, 9, 8, 2, 3, 10, 9, 3, 4, 11, 10, 4, 5, 12, 11, 5, 6, 13, 12, 6, 0, 7, 13],
+            8: [7, 6, 5, 4, 3, 2, 1, 0, 8, 9, 10, 11, 12, 13, 14, 15, 0, 1, 9, 8, 1, 2, 10, 9, 2, 3, 11, 10, 3, 4, 12, 11, 4, 5, 13, 12, 5, 6, 14, 13, 6, 7, 15, 14, 7, 0, 8, 15],
+        }
+        uniform token orientation = "leftHanded"
+        point3f[] points (
+            interpolation = "vertex"
+        )
+        point3f[] points.timeSamples = {
+            3: [(1, 0, 0.5), (-0.50000006, 0.8660254, 0.5), (-0.4999999, -0.86602545, 0.5), (1, 0, -0.5), (-0.50000006, 0.8660254, -0.5), (-0.4999999, -0.86602545, -0.5)],
+            4: [(1, 0, 0.5), (-4.371139e-8, 1, 0.5), (-1, -8.742278e-8, 0.5), (1.1924881e-8, -1, 0.5), (1, 0, -0.5), (-4.371139e-8, 1, -0.5), (-1, -8.742278e-8, -0.5), (1.1924881e-8, -1, -0.5)],
+            5: [(1, 0, 0.5), (0.30901697, 0.95105654, 0.5), (-0.80901706, 0.5877852, 0.5), (-0.80901694, -0.58778536, 0.5), (0.30901712, -0.9510565, 0.5), (1, 0, -0.5), (0.30901697, 0.95105654, -0.5), (-0.80901706, 0.5877852, -0.5), (-0.80901694, -0.58778536, -0.5), (0.30901712, -0.9510565, -0.5)],
+            6: [(1, 0, 0.5), (0.49999997, 0.86602545, 0.5), (-0.50000006, 0.8660254, 0.5), (-1, -8.742278e-8, 0.5), (-0.4999999, -0.86602545, 0.5), (0.4999999, -0.86602545, 0.5), (1, 0, -0.5), (0.49999997, 0.86602545, -0.5), (-0.50000006, 0.8660254, -0.5), (-1, -8.742278e-8, -0.5), (-0.4999999, -0.86602545, -0.5), (0.4999999, -0.86602545, -0.5)],
+            7: [(1, 0, 0.5), (0.6234898, 0.7818315, 0.5), (-0.22252095, 0.9749279, 0.5), (-0.9009689, 0.4338836, 0.5), (-0.90096885, -0.43388376, 0.5), (-0.222521, -0.9749279, 0.5), (0.62349004, -0.7818313, 0.5), (1, 0, -0.5), (0.6234898, 0.7818315, -0.5), (-0.22252095, 0.9749279, -0.5), (-0.9009689, 0.4338836, -0.5), (-0.90096885, -0.43388376, -0.5), (-0.222521, -0.9749279, -0.5), (0.62349004, -0.7818313, -0.5)],
+            8: [(1, 0, 0.5), (0.70710677, 0.70710677, 0.5), (-4.371139e-8, 1, 0.5), (-0.70710677, 0.70710677, 0.5), (-1, -8.742278e-8, 0.5), (-0.70710665, -0.7071069, 0.5), (1.1924881e-8, -1, 0.5), (0.707107, -0.70710653, 0.5), (1, 0, -0.5), (0.70710677, 0.70710677, -0.5), (-4.371139e-8, 1, -0.5), (-0.70710677, 0.70710677, -0.5), (-1, -8.742278e-8, -0.5), (-0.70710665, -0.7071069, -0.5), (1.1924881e-8, -1, -0.5), (0.707107, -0.70710653, -0.5)],
+        }
+        uniform token subdivisionScheme = "none"
+        vector3f[] velocities (
+            interpolation = "vertex"
+        )
+        vector3f[] velocities.timeSamples = {
+            3: [(0, -50, 25), (43.30127, 25.000004, 25), (-43.301273, 24.999996, 25), (0, -50, -25), (43.30127, 25.000004, -25), (-43.301273, 24.999996, -25)],
+            4: [(0, -50, 25), (50, 0.0000021855694, 25), (-0.000004371139, 50, 25), (-50, -5.9624404e-7, 25), (0, -50, -25), (50, 0.0000021855694, -25), (-0.000004371139, 50, -25), (-50, -5.9624404e-7, -25)],
+            5: [(0, -50, 25), (47.552826, -15.450849, 25), (29.38926, 40.45085, 25), (-29.389269, 40.450848, 25), (-47.552826, -15.450856, 25), (0, -50, -25), (47.552826, -15.450849, -25), (29.38926, 40.45085, -25), (-29.389269, 40.450848, -25), (-47.552826, -15.450856, -25)],
+            6: [(0, -50, 25), (43.301273, -24.999998, 25), (43.30127, 25.000004, 25), (-0.000004371139, 50, 25), (-43.301273, 24.999996, 25), (-43.301273, -24.999996, 25), (0, -50, -25), (43.301273, -24.999998, -25), (43.30127, 25.000004, -25), (-0.000004371139, 50, -25), (-43.301273, 24.999996, -25), (-43.301273, -24.999996, -25)],
+            7: [(0, -50, 25), (39.091576, -31.17449, 25), (48.746395, 11.126047, 25), (21.69418, 45.048447, 25), (-21.694187, 45.048443, 25), (-48.746395, 11.12605, 25), (-39.091568, -31.174501, 25), (0, -50, -25), (39.091576, -31.17449, -25), (48.746395, 11.126047, -25), (21.69418, 45.048447, -25), (-21.694187, 45.048443, -25), (-48.746395, 11.12605, -25), (-39.091568, -31.174501, -25)],
+            8: [(0, -50, 25), (35.35534, -35.35534, 25), (50, 0.0000021855694, 25), (35.35534, 35.35534, 25), (-0.000004371139, 50, 25), (-35.355343, 35.35533, 25), (-50, -5.9624404e-7, 25), (-35.355328, -35.35535, 25), (0, -50, -25), (35.35534, -35.35534, -25), (50, 0.0000021855694, -25), (35.35534, 35.35534, -25), (-0.000004371139, 50, -25), (-35.355343, 35.35533, -25), (-50, -5.9624404e-7, -25), (-35.355328, -35.35535, -25)],
+        }
+    }
+}
+
diff --git a/testsuite/test_0157/data/test.ass b/testsuite/test_0157/data/test.ass
@@ -0,0 +1,116 @@
+### exported: Fri Feb 26 16:21:18 2021
+### from:     Arnold 6.2.0.1 [903992ac] windows clang-10.0.1 oiio-2.2.1 osl-1.11.6 vdb-7.1.1 clm-2.0.0.235 rlm-12.4.2 optix-6.6.0 2021/02/09 10:40:42
+### host app: MtoA 4.2.2 8271f300 (develop) Maya 2022
+### bounds: 0 0 0 0 0 0
+### user: blaines
+### render_layer: defaultRenderLayer
+### scene: C:/maya/scenes/usd_vel.mb
+
+
+
+options
+{
+ AA_samples 5
+ AA_seed 4
+ outputs "RGBA RGBA myfilter mydriver"
+ xres 160
+ yres 120
+ pixel_aspect_ratio 1.33333325
+ texture_per_file_stats on
+ texture_automip off
+ camera "/persp/perspShape"
+ frame 4
+ GI_diffuse_depth 1
+ GI_specular_depth 1
+ GI_transmission_depth 8
+ declare render_layer constant STRING
+ render_layer "defaultRenderLayer"
+}
+
+gaussian_filter
+{
+ name myfilter
+}
+
+driver_tiff
+{
+ name mydriver
+ filename "testrender.tif"
+ color_space ""
+}
+
+persp_camera
+{
+ name /persp/perspShape
+ matrix 1 2 b85MATRIX
+8Fca(W:BqD`7Dirz_qN;u8El@&a7M[3z7*dw.8+]+<8El>mz7I(E[8Hbc38c;hKy8Fca(W:BqD`7Dirz_qN;u8El@&a7M[3z7*dw.8+]+<8El>mz7I(E[8Hbc38c;hKy
+ near_clip 0.100000001
+ far_clip 10000
+ shutter_start -0.02
+ shutter_end 0.02
+ shutter_type "box"
+ rolling_shutter "off"
+ rolling_shutter_duration 0
+ motion_start -0.5
+ motion_end 0.5
+ exposure 0
+ fov 1 2 FLOAT
+54.4322243 54.4322243
+ uv_remap 0 0 0 1
+ lens_tilt_angle 1 2 VECTOR2
+0 0 0 0
+ lens_shift 1 2 VECTOR2
+0 0 0 0
+ declare dcc_name constant STRING
+ dcc_name "perspShape"
+}
+
+skydome_light
+{
+ name /aiSkyDomeLight1/aiSkyDomeLightShape1
+ matrix 1 2 b85MATRIX
+y!$$$$$$$$$(y!$$$$$$$$$(y!$$$$$$$$$(yy!$$$$$$$$$(y!$$$$$$$$$(y!$$$$$$$$$(y
+ exposure 1
+ cast_shadows on
+ cast_volumetric_shadows on
+ shadow_density 1
+ shadow_color 0 0 0
+ samples 1
+ normalize on
+ camera 0
+ transmission 1
+ diffuse 1
+ specular 1
+ sss 1
+ indirect 1
+ max_bounces 999
+ motion_start -0.5
+ motion_end 0.5
+ volume_samples 2
+ volume 1
+ aov "default"
+ resolution 1000
+ format "latlong"
+ portal_mode "interior_only"
+ aov_indirect off
+ declare dcc_name constant STRING
+ dcc_name "aiSkyDomeLightShape1"
+}
+
+usd
+{
+ name /aiStandIn/aiStandInShape
+ visibility 255
+ matrix 1 2 b85MATRIX
+y!$$$$$$$$$(y!$$$$$$$$$(y!$$$$$$$$$(yy!$$$$$$$$$(y!$$$$$$$$$(y!$$$$$$$$$(y
+ use_light_group off
+ motion_start -0.02
+ motion_end 0.02
+ override_nodes off
+ filename "scene.usda"
+ object_path ""
+ frame 4
+ declare dcc_name constant STRING
+ dcc_name "aiStandInShape"
+}
+