The Creo toolkit does not provide complete information for reading the texture mapping applied on to a Creo face. The information available today is limited and does not fully serve purpose of data exchange.
The ProLineEnvelope structure today does not provide complete information as indicated by this support case,
https://support.ptc.com/apps/case_logger_viewer/auth/ssl/case=13931594
The following information is needed for better support.
1. Texture transformation matrix
A transformation specifying the transformation matrix for the texture.
This matrix should encompasses the translation, scale, rotation, and setting of the center for the texture.
2. Center: Center of image on the face on which it is applied to locate the image w.r.t to the face.
3. Scale: Scaling ratios of the image across the face.
4. Rotation: Rotation applied on the image w.r.t the face.
5. Translation: Translation values if any are applied
6. Image size: Size of the image.
7. Border color: Color of the border.
8. Repeat property: Property indicating if the image is repeated across the face.
