Data Archives « Yukon GIS

Add a nodata mask to a read-only image?

Posted on 2021-Feb-19 by matt

I finally came up with a solution to the problem of how to deal with missing or inappropriate nodata in imagery that we can’t change […]

Data, Gdal-ogr, Tip

Yukon NTS Index

Posted on 2020-Nov-12 by matt

A commonly used dataset that’s not readily for available for download in ways I find useful is the Canadian National Topographic Series index for the […]

Data

QGIS and Mapservices.gov.yk.ca #2

Posted on 2019-Jan-29 by matt

I’ve had this sitting in draft for over a year, waiting for me to come back to it and add missing details. That’s not going […]

Data, Qgis

QGIS and Mapservices.gov.yk.ca #1

Posted on 2019-Jan-29 by matt

I’ve had this sitting in draft for over a year, waiting for me to come back to it and add missing details. That’s not going […]

Data, Qgis

Download Aerial Photographs from the Yukon Government image server

Posted on 2017-Oct-14 by matt

Go to the GeoYukon portal web app, Turn off all Operational Layers (optional), Turn on Base >> Imagery layers of interest (shows footprints) Zoom to […]

Data, How-to

Lightning Maps for YT?

Posted on 2017-Jul-17 by matt

Wildfire season is upon us, albeit quietly in the southern Yukon, but not for those near us. This has me thinking of the primary cause […]

Data

AlaskaMapped.org – end of an era

Posted on 2017-May-09 by matt

“Service end of life” – greeted me this evening as I visited, alaskamapped.org, a long time member of my hero list. They provided performant web […]

Data

Fetching placenames from Canada Geographic Names Board

Posted on 2016-Aug-01 by matt

How to fetch list of all lakes with registered names from the Canada Geographic Names Board. Interactively http://www4.rncan.gc.ca/search-place-names/search Select “Water Features”, Yukon, and order by […]

Data

Georeferenced Survey Plans

Posted on 2008-Jul-10 by matt

The federal government has plans for all surveyed parcels online as images, but they aren’t georeferenced. Here is a short recipe and dataset for fixing […]

Data

Backdoor to US Seamless National Elevation Data

Posted on 2007-Apr-03 by matt

I recently needed to acquire a large swath of elevation data for Alaska. After fighting through the web map request interface for Seamless NED for […]

Data