Contour 1:50,000

Description

Contour (1:50,000) is a subset of the National Topographic Data Base (NTDB) which comprises of digital vector data sets that cover the entire Canadian landmass. The NTDB includes features such as watercourses, urban areas, railways, roads, vegetation, and relief.

Originator

1. Canada Open Data

Use Cases

Source(s)

Remarks

1. SHP file can be downloaded using ftp.

2. There are over 10,000 1:50,000 mapsheets.

Process for EGIS integration

SHP/GDB File:

1. SHP file can be integrated directly into ArcMap and ArcGIS.

TC Smart Maps:

1. Not all GIS applications can consume KML file directly due to its unique data structures such as networklinks, folders, models etc.

2. Please contact Lawrence Chong, Digital Services Directorate for TC Smart Maps KML dataset and format translation.

3. TC Smart Maps KML link: \tc.gc.ca\tcgis\GISData\Google Mashup\ Topography-50K/Topography-50K.kml

Customization:

1. Schema transformation: As required

2. Denormalization: Not required

3. Value coding: Not required

4. Attribute renaming: As required to improve readability

5. Attribute removal: It is highly recommended as some fields are unnecessary, this will also reduce file size and improve performance

6. Geoenrichment: Feature symbolization is recommended for Index and Intermediate Contours to improve visualization

7. Format translation: Not required

8. Language translation: French version available for most dataset

9. Update frequency: As identified