Some modern mapmaking tools don’t have direct antecedents. Yes, maps have long been composed of many layers of separate artwork just as we have digital map feature layers now, but in the during the time of Mylar overlays, pin registration, and photomechanical reproduction that resulted in static paper maps, there was nothing like the dynamic and highly interactive web maps that are second nature to us today.
The American Community Survey (ACS) from the US Census Bureau helps local officials, community leaders, and businesses understand the changes taking place in their communities. It is the premier source for detailed population and housing information about our nation. ACS data is updated each year, not just during the decennial census. Esri has just made…
You’ve heard about vector tiles. You’ve used vector tiles in a variety of online maps, perhaps without even realizing it. But have you created your own vector tile maps?
My first foray into the world of open source GIS occurred at a meeting of Cascadia Users of Geospatial Open Source (CUGOS) back in 2007 at the offices of LizardTech in Seattle’s Pioneer Square. At the time, I didn’t know anything about what open source was or how it was being used.
Data quality at King County GIS includes processes and tools for validation of the contents of the Spatial Data Warehouse. Multiple linked automated and manual steps help ensure good internal consistency and an anomaly-free environment, both for file-system and database objects.
At King County GIS, we connect with data quality at different levels. This post is one of three introductory posts about how King County GIS is working to improve the quality of the County’s GIS data.
Maps for Office is an Excel add-in that allows you to create maps within an Excel spreadsheet using the ArcGIS Online platform.