PRC Reader

PRC
File Extension PRC
Supported Versions All
Platforms wy ly my ay iy
Tessellation t_green Supported
B-rep c_green Supported
PMI c_green Supported

PRC is the internal format of HOOPS Exchange. As such it supports all the different concepts supported by the other formats. A file does not need to have a particular extension to be read correctly by HOOPS Exchange however the file extension of PRC files that you can expect to be loaded by HOOPS Exchange is:

  • .PRC

How to Import From PRC

To load a PRC file, use A3DAsmModelFileLoadFromFile(). The A3DParamsLoadData structure is used to customize the loading behavior:

A3DAsmModelFile* pModelFile = 0;

A3DRWParamsLoadData sReadParam;
A3D_INITIALIZE_DATA(A3DRWParamsLoadData, sReadParam);
sReadParam.m_sGeneral.m_bReadSolids = true;

// ... set other A3DRWParamsLoadData fields as necessary

A3DAsmModelFileLoadFromFile("path/to/file.prc", &sReadParam, &pModelFile);

See Simple Load and Export for more about loading model files.

Tessellation

PRC has full support for Visualization data including textures.

B-rep

PRC supports all the geometries that are imported by its readers.

PMI

Full support for both semantic and visual PMI is included.

Assembly

The full assembly tree definition is supported by PRC. Datum planes and construction geometry is also supported and accessed through the assembly tree. Incremental load is not supported by our PRC reader.

Views

Full support for Views is included.

Import Options Specific to PRC

At export time you can request that user options and the B-rep definition are removed from the PRC stream. This allows developers to remove what is potentially sensitive information from the PRC data.