Crown Registry and Geographic Base

Base Mapping > Standards and Specifications

TRIM 1:20,000 scale mapping specifications provide the basis for the official base mapping in British Columbia. These specifications include those required by mapping contractors and partners involved in the data capture and production of base mapping.

On This Page

1:20 000 Scale Mapping Specifications

1:20 000 and 1:10 000 Revision Data Capture

Gridded DEM Specifications

Light Detection and Ranging (LiDAR) Specifications

Orthophoto Specifications

Preset Model Specifications

Other Specification Documents

Spatial Archive and Interchange Format (SAIF)

Spatial Archive and Interchange Format (SAIF) - version 3.2 (with minor updates) - SAIF (pronounced "safe") is (i), a language for modeling geographic data, and (ii), a vendor-neutral format for archiving and distributing such data. See list of revisions contained in the SAIF32.pdf file for update history. The complete document SAIF v3.2 specification - downloadable document SAIF32.pdf can also be downloaded using ftp protocol.

Paper Copies

Previous publications are available on the internet and in printed format on demand from Trafford Publishing.

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