About Double Precision
You can configure the Creo View MCAD Adapter to store structure and 3D model file content at double precision. Data is then saved to a greater number of decimal places, allowing more precise calculations. Double precision is a computer numbering format that occupies two adjacent storage locations in computer memory and can be applied to files when they are loaded into Creo View via all CAD adapters. A file’s level of precision is set the first time you load it.
The advantages of double precision are as follows:
• Datum, B-rep data, and mass property values stored with double precision are more precise.
• Accurate results in accordance with Creo are obtained for mass property calculations on Creo View data.
• Accurate results can be obtained for Interference Detection queries.
• You can store data from PTC CAD tools and from other sources at double precision.
Creo View files with double precision content are also supported by the following applications:
• Windchill (read and write)
• Creo View
• Creo Parametric (read only)
• Creo Direct (read only)
Double precision support increases PVS file size by about 5 percent and OL geometry content size by about 25 percent. The tessellation data size within the Creo View OL files remains unchanged.