Category Archives: Visualization

Meandering Meetings and Open Data

Posted on March 1, 2019 by John Reiser

I love meetings. When the right people are in the room, with a clear agenda and desire to work together towards a common goal, magic can happen. Ideas are put out there and refined as a group, and an action … Continue reading →

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Using Tableau to visualize land use change

Posted on April 10, 2015 by John Reiser

I was home sick on Wednesday, so while I was on the couch I decided to dive into Tableau Public, a free desktop visualization tool. At IERP, we use Tableau for some of our public dashboards. Other than some minor … Continue reading →

Posted in Data, Planning, PostgreSQL, Technology, Tools and Scripts, Visualization | Tagged , , , , , , | 1 Comment

Bizarre GeoServer WMS rendering possibly due to ArcGIS handling of PostGIS data

Posted on November 26, 2012 by John Reiser

I just submitted a problem to the OpenGeo support forum regarding an unusual bug I’ve discovered in GeoServer. Multipart polygon geometries are producing “unintentional art” when rendered through GeoServer. Several GIS data sets that have been brought into PostGIS using … Continue reading →

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Beach erosion in Ocean City

Posted on November 13, 2012 by John Reiser

While not as hard hit as the towns near Seaside Heights, Ocean City felt the effects of Sandy and is still in the process of cleanup. Back in July, I took a Gigapan photo of the Ocean City beach from … Continue reading →

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Changing Landscapes: A Million Little Tiles

Posted on August 3, 2010 by John Reiser

The New Jersey Land Change Viewer, the online component of the Changing Landscapes research project required the generation of approximately one million map tiles. These tiles needed to be served quickly – the online viewer is meant to make the … Continue reading →

Posted in Aerial Photography, Data, In the News, Technology, Visualization, Web Mapping | Tagged , , , , , , , , , | 1 Comment

Changing Landscapes: Brainstorming

Posted on August 2, 2010 by John Reiser

Back in June, the New Jersey DEP Bureau of GIS released the 2007 Land Use/Land Cover data. The data was released in record time, just slightly over 3 years from the aerial photography date. We felt that we needed to … Continue reading →

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Release of “Changing Landscapes in the Garden State”

Posted on July 28, 2010 by John Reiser

The last month has literally been a blur as we’ve worked to get the data for the report together and then into a series of interactive, animated web maps that show the progression of urban change over 21 years. Continue reading →

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Script: Geotagged Photos to GIS

Posted on June 1, 2010 by John Reiser

I think it’s somewhat ridiculous that ArcGIS Explorer has the ability to add geotagged photos to the map, but ArcGIS Desktop doesn’t have a built-in means of recognizing geotagged photos. Continue reading →

Posted in Data, ESRI, Visualization | Tagged , , , , , | 8 Comments

Steven Johnson giving a brief talk on John Snow’s map

Posted on April 29, 2009 by John Reiser

Steven Johnson, author of The Ghost Map, gave a 10 minute talk at TED on the 1854 cholera outbreak in London. Steven Johnson’s take on the outbreak is an amazing read. If you have just a passing interest in geography … Continue reading →

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The Advent of All-knowing Point Maps

Posted on April 20, 2009 by John Reiser

Using Google Maps isn’t what’s important. Making sure your map delivers its intended message is essential. Continue reading →

Posted in Google Maps, In the News, Visualization, Web Mapping | Tagged , , , , , | 1 Comment