May 2019
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Map

Changes to Canvas Basemap

For those folks who use our online mapping systems, and for those partners who directly leverage our map services, we are rolling out a number of small changes to our cartography in order to make our maps more accurate and useful, as well as more suited to mobile devices.

This post covers changes to our […]

Updates to LA County BaseMap

For those folks who use our online mapping systems, and for those partners who directly leverage our map services, we are rolling out a number of small changes to our cartography in order to make our maps more accurate and useful, as well as more suited to mobile devices.

This post covers changes to our […]

Updates to Street Map Basemap

For those folks who use our online mapping systems, and for those partners who directly leverage our map services, we are rolling out a number of small changes to our cartography in order to make our maps more accurate and useful, as well as more suited to mobile devices.

This post covers changes to our […]

Blank areas in caches – how to avoid 404 areas

This was passed along to me by Yoko Myers, one of our crack analysts. As we developed our map caches, we did not want to spend time caching the entire area of the map service (for example the water areas between the mainland and Catalina Island) so we generally use the actual county […]

Using Multiple Computers to Cache ArcGIS Server Map Services

Nick Franchino passed this link along the other day. Using caches dramatically speeds up mapping services, but building caches, especially for LA County at large scacles (zoomed in), can take a very long time. Our cache at the end contains over 2 million files, so anything to speed up the process will help.

From ESRI’s […]