Difference between revisions of "Canadian Geodata"

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** [http://geogratis.cgdi.gc.ca/geogratis/en/product/search.do?id=10757 CanImage - Landsat 7]
 
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** [http://geogratis.cgdi.gc.ca/geogratis/en/licence.jsp Geogratis Licence Agreement For Unrestricted Use Of Digital Data]
 
** [http://geogratis.cgdi.gc.ca/geogratis/en/licence.jsp Geogratis Licence Agreement For Unrestricted Use Of Digital Data]
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Revision as of 21:47, 8 July 2007

Back to FOSS4G2007...

Introduction

For the FOSS4G2007 conference in Victoria, BC, Canada (September 24-27, 2007) the OSGeo Public Geospatial Data Committee would like to pull together a catalog of local data from the area around Victoria so that there would be a readily available pool of services and local datasets for attendees and presenters to use during the conference. The hope is that this will bring attention to the efforts being made by the Public Geospatial Data Committee committee. Benefits to the conference would be fast access to services (if we were to host them somewhere locally during the conference), an increased local feel, and a resource so that we could see different applications all working with the same data.

This public data will be available for use by the FOSS4G2007 Integration Showcase.

Data Custodians

Government

Federal

The Canadian Federal Government, often in partnership with Provincial governments, makes various types of data available for free, from various sources.

Provincial

The British Columbia Provincial Government makes some of it's data publicly available for free.

Local

Local governments, such as the City of Victoria, or the Capital Region District may have some data available for free.

Commercial

Various companies and organizations, whether they are Canadian or not, may have data that they would be willing to provide for free.


DataSets

Requested Datasets

If there is a particular Canadian dataset that you would like to see be available at FOSS4G2007, add your request to this section. Please include the following information:

  • Dataset information:
    • dataset name
    • link to dataset information (e.g. metadata)
    • link to dataset location (if publicly available)
  • Your information:
    • your name (and optionally organization), and a way to contact you
    • your role in the FOSS4G2007 conference (e.g. attendee, workshop/lab instructor, sponsor, etc.)
    • why you are requesting the dataset


Dataset Sources

While the authoritative source for a dataset is the dataset's custodian, for FOSS4G2007 the goal is to have copies of datasets, or partial datasets, on local servers at the conference. To accomplish that, local people will have to do the work of obtaining those copies and loading them onto the local servers.

If you can help with this by providing the conference organizers with a copy of all or part of one or more of the Requested Datasets, add your information to the section below.


  • Dave Patton, Victoria, BC
    • I have this data locally (i.e. it has already been downloaded), and will provide it via a USB drive
    • The data is available "as is", in the format provided for the downloads. For example, this often means the data is in ZIP files, with one ZIP file per NTS tile.
    • The total space for the data listed below is 66.1GB
  1. Toporama, version 1
    • raster dataset, consisting of computer-generated topographic map images (i.e. lacking some cartographic features)
    • http://toporama.cits.rncan.gc.ca/
    • Note that this is the "original Toporama" dataset, not the newer Atlas of Canada Toporama (Toporama version 2).
    • the images are collarless GIF images, designed to be able to be easily mosaicked
    • the GIF images have corresponding world files (.wld)
    • also included are small and large versions of the NTS Index 5 (British Columbia) map, with OziExplorer and JPR calibration files
    • dataset covering all of British Columbia at 1:250,000 (106 images) plus British Columbia south of 56°N and some of northern British Columbia, at 1:50,000 (1,120 images) totals 512MB
    • Natural Resources Canada Licence Agreement
  2. Geogratis: CanMatrix
  3. Geogratis: Landsat 7 Level 1-G Imagery over Canada
  4. Geobase: Canadian Geopolitical Boundaries, Level 1 (CGB1)
  5. Geobase: Canadian Digital Elevation Data, Level 1 (CDED1)
  6. Geobase: Canadian Geodetic Network
    1. Canadian Base Network, Level 1 (CBN1)
    2. Primary Vertical Bench Marks, Canada, Level 1 (PVBMC1)
    3. Federal 3-D Densification Network, Canada, Level 1 (FED3DC1)
      • The Federal 3-D Densification Network, Canada, Level 1 (FED3DC1) consists of (approximately 2000) monumented stations, positioned three-dimensionally with GPS to centimetre-level accuracy with respect to the Canadian Active Control Systems (CACS). The network densifies 3-D control within the Canadian Base Network, Level 1 (CBN1).
      • http://www.geobase.ca/geobase/en/data/geod/index.html
      • the data is available in GML and Shape files
      • dataset of 71 GML and 71 Shape files for British Columbia totals 1.16MB
      • Geobase Unrestricted Use Licence Agreement
  7. Geobase: GeoBase Data Alignment Layer
    1. Landsat 7 Orthorectified Imagery over Canada, Level 1 (LDSAT7)
      • The orthoimage data set is a complete set of cloud-free (less than 10%) orthoimages covering the Canadian landmass and created with the most accurate control data available at the time of creation.
      • http://www.geobase.ca/geobase/en/data/gdal/index.html
      • LDSAT7 datafiles are available in GeoTiff, PIX and BSQ.
      • The Landsat7 scene for Path 27, Row 026 covers an area with a mix of terrain, and it includes the Victoria area.
      • the GeoTiff and PIX files for the Path 27 Row 026 scene, collected July 30 2000, in both LCC and UTM projections, take 2.77GB
      • Geobase Unrestricted Use Licence Agreement
    2. Control Points for Landsat 7 Imagery, Canada, Level 1 (CPLIC1)
  8. Geobase: Canadian Geographical Names, Level 1 (CGN1)
  9. Geobase: National Road Network, version 1 (NRNv1)


  1. City of Kamloops data


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