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Change Log

v0.24.0 - 2024-11-01

  • Fixed bug where smooth normals setting would crash.

v0.23.0 - 2024-10-01

  • Fixed bug where tilesets and raster overlays were not being passed the correct custom ellipsoid.
  • Fixed rendering base color textures that contain an alpha channel.

v0.22.0 - 2024-09-03

  • Cesium for Omniverse now supports using non-WGS84 ellipsoids.
    • A CesiumEllipsoidPrim should be specified on the ellipsoidBinding field of a CesiumReferencePrim.

v0.21.0 - 2024-06-03

  • Added pointSize attribute to CesiumTilesetPrim for controlling the size of points.
  • Added read-only attribute ecefToUsdTransform to CesiumGeoreferencePrim. Previously this was stored in /CesiumSession which has since been removed.
  • Fixed crash when updating globe anchor when georeferencing is disabled.
  • Fixed point cloud styling.

v0.20.0 - 2024-05-01

  • Fix missing button for adding imagery from Asset UI.
  • Updated cesium-native which includes a bug fix for reading GLB files with extra padding bytes.

v0.19.0 - 2024-04-01

  • Added scrollbar to main window UI.
  • Fixed issue when loading tilesets with Cesium ion Self-Hosted in developer mode.

v0.18.0 - 2024-03-01

  • Breaking change: removed deprecated properties projectDefaultIonAccessToken and projectDefaultIonAccessToken from CesiumDataPrim. CesiumIonServerPrim should be used instead.
  • Improved tile streaming performance by 35% by switching to UrlAssetAccessor from vsgCs.
  • Added support for disk tile caching which improves streaming performance by 50% when reloading the same scene.
  • Added support for Web Map Service (WMS) raster overlays.
  • Added support for Tile Map Service (TMS) raster overlays.
  • Added support for Web Map Tile Service (WMTS) raster overlays.
  • Added raster overlay options: maximumScreenSpaceError, maximumTextureSize, maximumSimultaneousTileLoads, subTileCacheBytes.
  • Added ability to bypass downloading of tiles clipped by a cartographic polygon raster overlay.
  • Added support for globe anchors on non-georeferenced tilesets.
  • Fixed crash when disabling and re-enabling the extension.
  • Fixed crash when setting certain /Cesium debug options at runtime.
  • Fixed crash when updating tilesets shader inputs.
  • Fixed crash when removing USD prims in certain order.
  • Fixed issue where Cesium ion session would not resume on reload.
  • Fixed issue where save stage dialog would appear when reloading Fabric stage at startup.
  • Fixed issue where zooming to tileset extents would not work correctly with non-identity transformation.
  • Fixed issue where globe anchors didn't work with xformOp:orient.
  • The movie capture tool now waits for tilesets to complete loading before it captures a frame.

v0.17.0 - 2024-02-01

  • Breaking changes for globe anchors:
    • Removed anchor_xform_at_path. Globe anchors can now be created directly in USD.
    • Split cesium:anchor:geographicCoordinates into separate properties: cesium:anchor:latitude, cesium:anchor:longitude, cesium:anchor:height.
    • Globe anchors no longer add a transform:cesium op to the attached prim. Instead the translate, rotateXYZ, and scale ops are modified directly.
    • Removed cesium:anchor:rotation and cesium:anchor:scale. Instead, use UsdGeom.XformCommonAPI to modify the globe anchor's local rotation and scale.
    • Globe anchors now use the scene's default georeference if cesium:georeferenceBinding is empty.
    • For migrating existing USD files, see CesiumGS/cesium-omniverse-samples#13
  • Breaking changes for imagery layers:
    • CesiumImagery was renamed to CesiumRasterOverlay and is now an abstract class. To create ion raster overlays, use CesiumIonRasterOverlay.
    • MDL changes: cesium_imagery_layer_float4 was renamed to cesium_raster_overlay_float4 and imagery_layer_index was renamed to raster_overlay_index.
    • ion raster overlays now use the scene's default ion server if cesium:ionServerBinding is empty.
  • Breaking change for tilesets:
    • Tilesets must now reference raster overlays with cesium:rasterOverlayBinding.
    • Tilesets now use the scene's default georeference if cesium:georeferenceBinding is empty.
    • Tilesets now uses the scene's default ion server if cesium:ionServerBinding is empty.
  • Added support for polygon-based clipping with CesiumPolygonRasterOverlay.
  • Added ability for multiple tilesets referencing the same raster overlay.
  • Added ability to reorder raster overlays in UI.
  • Added context menu options for adding raster overlays to tilesets.
  • Fixed multiple globe anchor related issues.
  • Fixed excessive property warnings when using custom materials.
  • Fixed adding raster overlays to selected tileset in the Add Assets UI.
  • Fixed loading 3D Tiles 1.1 implicit tilesets.

v0.16.0 - 2024-01-02

  • Fixed issue where the current ion session would be signed out on reload.
  • Fixed crash in Cesium Debugging window.

v0.15.0 - 2023-12-14

  • Added support for multiple Cesium ion servers by creating CesiumIonServerPrim prims.

v0.14.0 - 2023-12-01

  • Added support for EXT_structural_metadata. Property values can be accessed in material graph with the cesium_property nodes.
  • Added support for EXT_mesh_features. Feature ID values can be accessed in material graph with the cesium_feature_id_int node.
  • Added support for custom glTF vertex attributes. Attribute values can be accessed in material graph with the data_lookup nodes.
  • Added support for changing a tileset's imagery layer dynamically in material graph.

v0.13.0 - 2023-11-01

  • Changing certain tileset properties no longer triggers a tileset reload.
  • Added support for displayColor and displayOpacity for tileset prims.
  • Fixed rendering point clouds with alpha values.

v0.12.1 - 2023-10-26

  • Fixed version numbers.

v0.12.0 - 2023-10-25

  • Added a quick add button for Google Photorealistic 3D Tiles through ion.
  • Added support for globe anchors.
  • Added support for multiple imagery layers.
  • Added alpha property to imagery layers.
  • Added support for reading textures and imagery layers in MDL.
  • Added Cesium for Omniverse Python API, see the cesium.omniverse.api module.
  • Fixed debug colors not working for tiles with vertex colors.
  • Fixed hangs when loading tilesets by setting omnihydra.parallelHydraSprimSync to false.
  • Basis Universal textures are now decoded to the native BCn texture format instead of RGBA8 in Kit 105.1 and above.

v0.11.0 - 2023-10-02

  • Breaking change: Cesium for Omniverse now requires Kit 105.1 or above (USD Composer 2023.2.0 or above).
  • Reduced the number of materials created when loading un-textured tilesets.
  • Added debug option cesium:debug:disableGeoreferencing to CesiumDataPrim to disable georeferencing and view tilesets in ECEF coordinates.
  • Improvements to C++ testing infrastructure.

v0.10.0 - 2023-09-01

  • Improved error message if fetching tileset fails.
  • Added basic point cloud support.
  • Fixed loading extension in Omniverse Code 2023.1.1.
  • Fixed crashes when reloading tileset.
  • Fixed memory leak when removing tileset mid-load.
  • Fixed several other bugs related to removing tilesets mid-load.
  • Upgraded to cesium-native v0.26.0.

v0.9.0 - 2023-08-01

  • Breaking change: CesiumTilesetPrim now inherits from UsdGeomGprim instead of UsdGeomBoundable.
  • Improved texture loading performance by moving texture loading to a worker thread.
  • Improved performance when refining with parent tile's imagery by sharing the same texture instead of duplicating it.
  • Added support for assigning materials to a tileset.
  • Improved styling of credits.
  • Visually enable/disable top bar buttons based on sign-in status.
  • Fixed bug where not all Cesium windows would not appear in Windows menu.

v0.8.0 - 2023-07-03

  • Breaking change: Cesium for Omniverse now requires Kit 105 or above (USD Composer 2023.1.0 or above).
  • Breaking change: broke out georeference attributes from CesiumDataPrim into dedicated CesiumGeoreferencePrim class.
  • Breaking change: CesiumTilesetPrim is now a concrete type that inherits from UsdGeomBoundable.
  • Breaking change: CesiumTilesetPrim now has an explicit binding to a CesiumGeoreferencePrim.
  • Breaking change: default values for attributes are no longer written out when saved as .usd files.
  • Added ability to zoom to extents on tilesets.
  • Added vertex color support.
  • Added cesium.omniverse.TILESET_LOADED Carbonite event.
  • Added more statistics to the Cesium Debugging window.
  • Fixed holes when camera is moving.
  • Fixed orphaned tiles.
  • Fixed credit parsing issue.
  • Improved performance when refining with parent tile's imagery.
  • Improved performance when creating Fabric geometry.
  • Switched base material to gltf/pbr.mdl.

v0.7.0 - 2023-06-01

  • Set better default values when loading glTFs with the KHR_materials_unlit extension. This improves the visual quality of Google 3D Tiles.
  • Improved installation process by forcing application reload when Cesium for Omniverse is first enabled.
  • Changed material loading color from red to black.
  • Added /CesiumSession prim for storing ephemeral state in the Session Layer, including ecefToUsdTransform.
  • Fixed credits not appearing on all viewports.
  • Improved readability of debug statistics.
  • Integrated Cesium Native's performance tracing utility.
  • Updated to Cesium Native 0.24.0 which adds support for 3D Tiles 1.1 implicit tiling.

v0.6.2 - 2023-05-19

  • Added more rendering statistics to the Cesium Debugging window.
  • Added debug options to the top-level Cesium prim.
  • Fixed issue where cesium:enableFrustumCulling wasn't appearing in the USD schema UI.
  • Fixed issue where some Fabric shader node prims were not being deleted.

v0.6.1 - 2023-05-11

  • Added premake5.lua to cesium.omniverse and cesium.usd.plugins to better support Kit templates.
  • Fixed crash in the Cesium Debugging window when reloading a stage.

v0.6.0 - 2023-05-04

  • Added option to show credits on screen.
  • Fixed issue where tileset traversal was happening on hidden tilesets.
  • Fixed issue where tile render resources were not being released back into the Fabric mesh pool in certain cases.
  • Fixed regression where the texture wrap mode was no longer clamping to edge.

v0.5.0 - 2023-05-01

  • Added material pool for better performance and to reduce texture/material loading artifacts.
  • Added support for multiple viewports.
  • Fixed red flashes when materials are loading.
  • Fixed cyan flashes when textures are loading.
  • Fixed adding imagery as base layer for existing tileset.
  • Fixed Fabric types for tilesetId and tileId.
  • Upgraded to cesium-native v0.23.0.

v0.4.0 - 2023-04-03

  • Fixed a crash when removing the last available access token for a tileset.
  • Added search field to the asset window.
  • Added placeholder token name in the create field of the token window.
  • No longer printing "Error adding tileset and imagery to stage" when adding a tileset.
  • Better handling of long names in the asset details panel.
  • Upgraded to cesium-native v0.22.1.

v0.3.0 - 2023-03-20

  • Split the Cesium USD plugins into their own Kit extension.
  • Added on-screen credits.
  • Added modal dialog prompting the user to enable Fabric Scene Delegate.
  • General cleanup before public release.

v0.2.0 - 2023-03-16

  • Fixed raster overlay refinement.
  • Fixed a crash when removing tileset and imagery using the stage window.
  • Fixed issues around loading pre-existing USD files.
  • Now generating flat normals by default.
  • Added property window widgets for the Cesium USD Schema attributes.
  • Updated documentation.
  • General cleanup.

v0.1.0 - 2023-03-01

  • The initial preview build of Cesium for Omniverse!