Terrain Resource Information Management (TRIM)
Last updated on June 27, 2024Terrain Resource Information Management (TRIM) provides the base data for the Province of British Columbia. TRIM is a set of three-dimensional digital files that support development and management of land-related information.
Review the Base Map Online Store instructions and policies before making an order.
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About TRIM products
The original TRIM program was completed in 1996. Demand for more information on features such as roads, streams and forest openings led to the development of the TRIM II program.
Many of B.C.'s map data and imagery products are derived from TRIM topographic data.
Use the TRIM Tile Locator Map Grid (PDF, 2MB) to determine which 1:20,000 TRIM tile to use for the products below.
TRIM Enhanced Topographic data
The Terrain Resource Information Management (TRIM) Enhanced Topographic map data is a two-dimensional vector base map product.
Product Details
The TRIM Enhanced Topographic map data contains TRIM I features, excluding toponymy, contours and digital elevation model (DEM).
Specifications
Area-based features have been closed to form polygons. Symbol points have been replaced with polygons. Vertical integration of streams has been removed.
- Search the Base Map Online Store for TRIM Enhanced Topographic data
- Search the BC Data Catalogue for TRIM Enhanced Base Map Datasets
Pricing
|
Product |
Cost |
|---|---|
|
TRIM-EBM NTS_250K_GRID 1:250,000 scale map sheet |
$5,000 each |
TRIM Positional data
Terrain Resource Information Management (TRIM) Positional map data contains positionally correct, complete and edited vector base map data. TRIM Positional data consists of all digital planimetric data compiled directly by stereo compilation, with no positional adjustments of data performed on the file.
Product details
TRIM Positional map data includes a number of spatial themes, such as contours, water bodies, roads and railways. Minimal attribute data is available. TRIM data contains enhanced road and hydrographic networks, and additional land cover features such as cut blocks and log landings.
The Digital Elevation Model (DEM) is available for an additional cost.
Formats
The map data may be ordered in the following format only:
- ArcGIS shapefile
Pricing
|
Product |
Cost |
|---|---|
|
TRIM 1:20,000 scale format digital positional map sheet, base map only |
$200 each |
|
TRIM 1:20,000 scale format digital positional map sheet, DEM only |
$200 each |
|
TRIM 1:20,000 scale format digital positional map sheet, base map & DEM |
$400 each |
TRIM Representational data
Terrain Resource Information Management (TRIM) Representational map data includes correct, complete, and edited map information in vector format. Adjusting positions helps improve map clarity. These files are used to create good-quality printed versions of the TRIM map.
Product details
TRIM Representational map data is available in the Interactive Graphics Design Software (IGDS) format.
Representational map data is unsuitable as an input dataset for GIS applications.
Pricing
|
Product |
Cost |
|---|---|
|
TRIM 1:20,000 (Version I) representational digital map sheet, 2D, contours, planimetry, IGDS format |
$600 each |
Get TRIM data
Terrain Resource Information Management (TRIM) data is available in the Base Map Online Store.
The BC Data Data Catalogue contains searchable TRIM enhanced base map datasets.
Delivery times
Your product will be available to download in the requested format within minutes of placing a Base Map Online Store order. You will receive an email with an FTP link. The order will be purged from the FTP server after seven (7) days.
Technical information
TRIM specifications are used by mapping contractors and partners to provide digital map data for the province.
- License Agreement
- Policies & Specifications for TRIM II 1:20,000/1:10,000 (PDF, 532KB)
- Digital Baseline Mapping at 1:20,000 (PDF, 2.4MB)
- Digital Baseline Mapping at 1:5,000/1:2,500 (PDF, 3.6MB)
- TRIM Feature Code List (XLS, 190KB) (download)
- TRIM Updates by Year (PDF, 574KB)
- User Manual for TRIM Height-of-Land Database (PDF, 599KB)
Contact us
The TRIM program is managed by GeoBC.
General enquiries: GeoBCinfo@gov.bc.ca
Deliveries Courier
3rd Floor, 3400 Davidson Ave
Victoria, BC V8Z 3P8
Mailing Address
PO BOX 9375 STN PROV GOVT
Victoria, BC V8W 9M5