Swift Current LiDAR Project 2009

Swift Current LiDAR Project 2009 McElhanney Consulting Services Ltd (MCSL) has performed a LiDAR and Imagery survey in southern Saskatchewan. The purpose was to generate DEMs for hydraulic modeling of floodplain, digital terrain maps, and other products for portions of the Swift Current Creek valley and other miscellaneous tributaries and related water course valleys in and around the City of Swift Current. The acquisition was completed between the 16th and 25th of October, 2009. The survey consisted of approximately 790 square kilometers of coverage. While collecting the LiDAR data, we also acquired aerial photo in RGB and NIR modes consisting of 1649 frames each. In addition to the main area of interest, McElhanney has acquired some LiDAR and photo of low lying areas adjacent to the project area. This additional area was acquired on speculation that the data may be required in the future. The 3Dimensional laser returns (point cloud) were classified using Microstation (v8), Terrascan and TerraModeler. A series of algorithms based on topography were created to separate laser returns that hit the ground from the ones that hit objects above the ground. Steps taken are: Classified LiDAR surface as Bare earth, Classified other features as non-bare earth or default, Formatted to ASPRS .LAS V1.1 (Class 1 - Default (non-bare earth), Class 2 – Ground points (bare earth)), 239 tiles each 2km x2km generated for LiDAR data, File prefix FF – Classified (Non-Bare Earth and Bare Earth), File Prefix BE – Bare Earth only, Bare Earth Model Key Point (MKPts) surface files are thinned Bare earth LiDAR points. MKPts files generate a virtually identical surface without the large file size, MKPts file format is ASCII (Easting Northing Z-elevation) xyz and LAS format. 2021-07-27 Agriculture and Agri-Food Canada agri-geomatics-agrog@agr.gc.ca Form DescriptorsTopography Data Product Specification (English)PDF https://agriculture.canada.ca/atlas/supportdocument_documentdesupport/aafcSkSwiftCurrent2009/en/ISO_19131_Swift_Current_LiDAR_Project_2009_Data_Product_Specifications.pdf Final Report Duncairn Dam Study, LiDAR Mapping Data, Topography and ImageryPDF https://agriculture.canada.ca/atlas/supportdocument_documentdesupport/aafcSkSwiftCurrent2009/en/LiDAR_Mapping_for_Swift_current_Final_Report.pdf Data Product Specification (French)PDF https://agriculture.canada.ca/atlas/supportdocument_documentdesupport/aafcSkSwiftCurrent2009/fr/Projet_LiDAR_de_Swift_Current_2009_ISO_19131.pdf Pre-packaged FGDB filesFGDB/GDB https://agriculture.canada.ca/atlas/data_donnees/elv/aafcSkSwiftCurrent2009/fgdb/ Pre-packaged GML filesGML https://agriculture.canada.ca/atlas/data_donnees/elv/aafcSkSwiftCurrent2009/gml/aafcSkSwiftCurrent2009_gml.zip Pre-packaged LASer filesLAS https://agriculture.canada.ca/atlas/data_donnees/elv/aafcSkSwiftCurrent2009/las/ Pre-packaged GeoTIF filesGeoTIF https://agriculture.canada.ca/atlas/data_donnees/elv/aafcSkSwiftCurrent2009/tif/

McElhanney Consulting Services Ltd (MCSL) has performed a LiDAR and Imagery survey in southern Saskatchewan. The purpose was to generate DEMs for hydraulic modeling of floodplain, digital terrain maps, and other products for portions of the Swift Current Creek valley and other miscellaneous tributaries and related water course valleys in and around the City of Swift Current.

The acquisition was completed between the 16th and 25th of October, 2009. The survey consisted of approximately 790 square kilometers of coverage. While collecting the LiDAR data, we also acquired aerial photo in RGB and NIR modes consisting of 1649 frames each.

In addition to the main area of interest, McElhanney has acquired some LiDAR and photo of low lying areas adjacent to the project area. This additional area was acquired on speculation that the data may be required in the future.

The 3Dimensional laser returns (point cloud) were classified using Microstation (v8), Terrascan and TerraModeler. A series of algorithms based on topography were created to separate laser returns that hit the ground from the ones that hit objects above the ground.

Steps taken are:

Classified LiDAR surface as Bare earth, Classified other features as non-bare earth or default, Formatted to ASPRS .LAS V1.1 (Class 1 - Default (non-bare earth), Class 2 – Ground points (bare earth)), 239 tiles each 2km x2km generated for LiDAR data, File prefix FF – Classified (Non-Bare Earth and Bare Earth), File Prefix BE – Bare Earth only, Bare Earth Model Key Point (MKPts) surface files are thinned Bare earth LiDAR points. MKPts files generate a virtually identical surface without the large file size, MKPts file format is ASCII (Easting Northing Z-elevation) xyz and LAS format.

Data and Resources

Geographic Information

Spatial Feature

Contact Information

Country: Canada

Electronic Mail Address: agri-geomatics-agrog@agr.gc.ca

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