new jersey geographer » maps http://njgeo.org GIS and planning in New Jersey Mon, 23 Jan 2012 15:50:32 +0000 en hourly 1 http://wordpress.org/?v=3.3.1 Historic Topographic Maps and Aerials http://njgeo.org/2009/10/13/historic-topographic-maps-and-aerials/ http://njgeo.org/2009/10/13/historic-topographic-maps-and-aerials/#comments Wed, 14 Oct 2009 02:36:35 +0000 John Reiser http://njgeo.org/?p=208 Continue reading →]]> New Jersey is a great state to be a GIS specialist, consultant, or student. There is a wealth of GIS data available throughout the state, and that massive amount of data is getting easier to use.

The Office of GIS in the State’s OIT department has made available several statewide layers via WMS. If you’re not familiar with WMS, the gist of the service is that a remote server renders a georeferenced image of map that can be used in your GIS software, whether it’s desktop GIS like ESRI‘s ArcMap, or server-side GIS, like TileCache and OpenLayers. Having a WMS service available is an incredible resource. Where the 2007 aerial photographs span several DVDs (just having the 4 MrSID tiles that cover Rowan University requires 23MB of space*), being able to download just the portion of the aerials at the scale you need is wonderful. Coupled with the fact that it renders faster than drawing from tiles over the Rowan network is outright amazing.

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Read the rest of Historic Topographic Maps and Aerials on my blog.

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