Office of Photogrammetry
Contractor Resources

Photogrammetric Mapping Standards

Documentation
In March 2005 Caltrans adopted a transition plan to return to the use of U.S. Customary Units (English). The Office of Photogrammetry 's photogrammetric mapping standards are documented in the files linked below.

• Standards and Symbols for Photogrammetric Mapping (SSPM), English and Metric Edition: SSPM0805.pdf
• Caltrans Photogrammetry English and Metric Cell Library documents:
  English: ctphotocell0805e.pdf
  Metric: ctphotocell0805m.pdf
• California NAD83 State Plane Zones and Caltrans MicroStation Seed Files:
  English: English_Design_Planes.pdf
  Metric: CTMetricDesignPlanes.pdf
• Table of custom linestyle symbology changes and additions adopted February 2004: SymbologyChanges0204.pdf
• The format and use of the control data file that Caltrans provides to mapping contractors with each order is described in PhotoControlFile2000.pdf.

Downloads
The following downloads contain files to implement Caltrans Photogrammetric Mapping Standards within MicroStation:
NOTE: Caltrans' current CAD platform is MicroStation J (V7). All contracted mapping files must be delivered in that format, regardless of source application.

• resources0805.exe NEW All of the CAD files needed to adhere to Caltrans' photogrammetric mapping standards (including custom linestyle resource file; English and Metric cell libraries; and English and Metric seed files in both V7 and V8 formats) are packaged in one self-extracting zip file.
• examples0105.exe Mapping examples and documentation describing issues related to Caltrans mapping standards. (17.0 MB)
• extras0504_MSJ.exe This download contains utilities that may be useful to contractors compiling photogrammetric mapping for Caltrans. This is a self-extracting zip file that contains two macros (SpotText and BatchReplaceColorTable) and a ReadMe document.

User's Guide to Photogrammetric Products and Services (1996)

UsersGuide1996.pdf provides descriptions and time estimates for the various photogrammetric products and services available to Caltrans Project Engineers and other users.