Release Notes#

Current Release#

CAD Converter 203.1.4#

Release Date: May 2025

Converter Versions Included:#

  • omni.kit.converter.cad = {version = 203.1.4}

  • omn.kit.converter.common = {version = 506.2.0}

  • omni.kit.converter.dgn = {version = 507.2.2}

  • omni.kit.converter.dgn_core = {version = 508.0.1}

  • omni.kit.converter.hoops = {version = 507.4.4}

  • omni.kit.converter.hoops_core = {version = 507.5.3}

  • omni.kit.converter.jt = {version = 506.4.2}

  • omni.kit.converter.jt_core = {version = 506.4.1}

  • omni.services.convert.asset = {version = 507.2.1}

  • omni.services.convert.cad = {version = 506.2.3}

Changed#

  • [CAD Converter] Added option to choose between USD Preview Surface and OmniPBR materials.

  • [CAD Converter] Added .usdz export feature from UI.

  • [DGN Converter] Updated to ODA Kernel and Drawings SDKs to 26.3

  • [DGN Converter] Changed default surface tolerance from 0.0 to 0.2 for batch conversion mode

  • [DGN Converter] The element type attribute is now a Tf.Token rather than a String.

  • [DGN Converter] Custom attributes holding the color and fill color of Graphics Elements are authored.

  • [DGN Converter] Per object metadata for merged Element Meshes will only be created as UsdGeomSubset Prims if there are less than 1000 input Elements as a measure to limit conversion hangs.

  • [DGN Converter] Improved conversion time for DGN files with vast numbers of sibling Elements.

  • [HOOPS Converter] Updated HOOPS Exchange SDK to 2025.3.0

  • [HOOPS Converter] Include BIM relationships in IFC model metadata conversion

Fixed#

  • [CAD Converter] Fixed .SAT and .DAE format support in omni.services.convert.cad extension by using file regex filters from core extensions.

  • [DGN Converter] Removed SQLite and DWF dependencies.

  • [DGN Converter] Package tokens python module.

  • [DGN Converter] Fill color is the default color for Materials; color will be used in its absence.

  • [HOOPS Converter] Removed Direct X library.

  • [HOOPS Converter] Package tokens python module.

  • [HOOPS Converter] Fixed missing metadata in converted usd output.

  • [HOOPS Converter] Attributes ‘No value’ is authored in USD for Attributes that do not have a defined value in the source file.

  • [HOOPS Converter] Only read attributes when metadata is being converted.

  • [JT Converter] Fix bug where the converter exports hidden geometry as visible

Known Limitations#

  • Some DGN geometry data is not supported and will not convert USD mesh. If you have an example of such a DGN file, please let us know so we can troubleshoot and fix any remaining issues.

  • Converting to USD can take more memory and CPU power depending on the type of data and Tessellation settings. File size is not an indicator of how fast a conversion will be or how much memory is required. In most cases, we recommend a minimum of 16 GB. Complex files will need a minimum of 32 GB of memory available for conversion.

  • PMI and BIM data is not converted for the following formats: .dgn, .jt, .fbx, .obj, .gltf, .glb, .ply, .lxo, .md5, .e57, and .pts.

All Releases#