Adding old content, tracking what is ‘new’
To see articles that are new-to-the-site look at the Recent Changes page. I’m trawling through my archive of old articles, many never shared publicly, and […]
Continue reading »Author: matt
A GIS geek since 1992 or so.
AlaskaMapped.org – end of an era
“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 […]
Continue reading »How to debug definition queries in ArcMap?
Troubleshooting and debugging ArcMap defintion queries that go beyond a basic single statement can be very frustrating. Statements that work on their own easily break […]
Continue reading »Join Jeopardy
Joining a table to features is an incredibly useful tool. It saves on duplication and double (or triple!) data entry and lets us focus on […]
Continue reading »Elevation Mask
How to quickly mask a region based on elevation values without creating additional files to manage and store. At right is a sample of a […]
Continue reading »Fetching placenames from Canada Geographic Names Board
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 […]
Continue reading »Projecting to Yukon Albers
Yukon Albers is the default projection for most Yukon Government data and projects. Here are 3 methods to get your data into that projection. InteractiveOne-at-a-time: […]
Continue reading »North Arrows and True North
When you insert a north arrow onto a page in ArcMap, by default it will align to north of the data frame, the page in […]
Continue reading »Use Unsplit Lines instead of Dissolve for 3D lines
Executing: Dissolve Lines_3d D:\x\clipped.gdb\Lines_3d_dissolved nid # SINGLE_PART UNSPLIT_LINES Start Time: Tue Jan 19 10:36:18 2016 Sorting Attributes… Dissolving… ERROR 999999: Error executing function. The Geometry […]
Continue reading »Combine touching polygons, keeping all attributes from Class “A” feature
How to automatically merge polygons sharing a common boundary, keeping all attributes from class “A” features? Interactively I would do this in an edit session […]
Continue reading »