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Crown Registry and Geographic Base Base Mapping > Standards and Specifications

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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

Specification Updates

• Ortho Specification Update 2009 (PDF, 278KB)
• Ortho Specification Update 2006 (PDF, 31KB)
• 1:20 000 Specification Update 2004 (PDF, 185KB)
• Preset Model Specification Update 2004(PDF, 40KB)

1:20 000 Scale Mapping Specifications

• 1:20 000 Specification Update
• British Columbia Specifications and Guidelines for Geomatics, Content Series Volume 3, Digital Baseline Mapping at 1:20 000 Release 2.0 January 1992 (3Mb PDF - may take several minutes to display)
  Last updated March 20, 2000
• Information Bulletin #1 pertains to the TRIM (1:20 000) British Columbia Specifications and Guidelines for Geomatics, Content Series Volume 3, Digital Baseline Mapping at 1:20 000
  Release 2.0 January 1992 (58kb PDF - may take a moment to display)
• Information Bulletin #2 pertains to the TRIM (1:20 000) British Columbia Specifications and Guidelines for Geomatics, Content Series Volume 3, Digital Baseline Mapping at 1:20 000
  Release 2.0 January 1992 (25kb PDF - may take a moment to display)
• TRIM Feature Code List (.xls)>> updated: 10 September 2008

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

• The new specification for TRIM II (1:20 000) and (1:10 000) Revision Data Capture Version 2.0, May 15, 1997 Last Updated: August 14/97 (780k PDF - may take a minute to display)
• This information bulletin #1 pertains to the TRIM II (1:20 000) and (1:10 000) Revision Data Capture Version 2.0, August 25, 1997 Last updated: August 25/97 (386kb PDF - may take a moment to display)
• This information bulletin #2 pertains to the TRIM II (1:20 000) and (1:10 000) Revision Data Capture Version 2.0, August 25, 1997 Last Updated: October 3, 1997 (149kb PDF - may take a moment to display)
• This information bulletin #3 pertains to the TRIM II (1:20 000) and (1:10 000) Revision Data Capture Version 2.0, August 25, 1997 Last Updated: October 31, 1997 (139kb PDF - may take a moment to display)
• This information bulletin #4 pertains to the TRIM II (1:20 000) and (1:10 000) Revision Data Capture Version 2.0, August 25, 1997 Last Updated: November 20, 1997 (993kb PDF - may take a moment to display)
• Interim Appendix to the Specifications and Guidelines for TRIM II (1:5 000) and (1:2 500) Revision Data Capture Version 2.0, July 15, 1997. Last Updated: August 25/97.

Gridded DEM Specifications

• Gridded DEM Specifications, Release 1.1, October 21, 1996 (PDF 55k)
• Gridded Digital Elevation Model Product Specifications, Edition 2.0 December 2002 (pdf 127k)

Light Detection and Ranging (LiDAR) Specifications

• Light Detection and Ranging (LiDAR) Specifications (PDF, 1.3MB), November 2006
• Instructions for Running the LIDAR Error Propagation Calculator (PDF, 90KB)
• LIDAR Error Propagation Calculator (ZIP, 520KB)

Orthophoto Specifications

• Ortho Specification Update 2009 (PDF, 278KB)
• Ortho Specification Update 2006 (PDF, 31KB)
• This Ortho Information bulletin #3 pertains to the Digital Orthophoto Deliverables for the TRIM II (1:20 000) program
• This Ortho information bulletin #2 pertains to Digital Orthophoto for the TRIM II (1:20 000) program. Last Updated: July 30, 1998
• Digital Orthophoto for the TRIM II (1:20 000) program Release 1, May 1997. Last Updated: June 2, 1998.

Preset Model Specifications

• Preset Model Specification Update
• Specifications for the Creation of Preset Models November 06, 2001

Other Specification Documents

• This information bulletin #5 pertains to CD Deliverables 1998 Contracts. Last updated: June 9, 1998. (166kb PDF)
• This information bulletin #6 pertains to Notice to contractors in the Lillooet and Arrow Districts
  December 19, 2000 (21kb PDF)
• This information bulletin #7 pertaining to the Cariboo Region November 17, 1998 (19kb PDF)
• TRIM Information Bulletin #8 pertains to TRIM deliverables February 06, 2003
• Pilot Project for IDM (1:5 000 detail at 1:20 000) Updated May 09, 2001
  • IDM Specification Bulletin #1(PDF format)
• British Columbia Specifications and Guidelines for Geomatics, Content Series Volume 4, Digital Baseline Mapping at 1:5 000/1:2 500 Release 2.0 November 1991 (5.589k PDF) Last updated October 23, 2000

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.

To view Microsoft Word documents, you may wish to download the Microsoft Word Viewer for Windows 95/98/NT from Microsoft's web site at: http://office.microsoft.com/Downloads/

To view Adobe Acrobat PDF documents, you may wish to download

 

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