Syndicate content
Wednesday, September 3, 2014

While working with geospatial information, it is often advantageous to find out how close one particular piece of data is to other pieces of data. This leads to a greater understanding of the area of study. The knowledge of how things relate to one another spatially is articulated in Waldo Tobler’s First Law of Geography. It states that “everything is related to everything else, but near things are more related than distant things.”

Tuesday, February 4, 2014

Esri CityEngine lets you create, as the name implies, cities, quite easily. As a bonus, it lets you export these creations in various formats including FBX files which can be imported into 3D game engines including Unity. You can very easily add VR support for the Oculus Rift to Unity 4 Pro.

To follow along with this tutorial we will need a few things:

  • Esri CityEngine 2013: 30 day trial license may be available

  • Unity 4 Pro: for Oculus Rift Support, 30 day trial license is available. You should be able to get away with the free version if you only want to add a traditional FPS camera.

  • Oculus Rift SDK: free but will need to sign up for a developer's account

  • Oculus Rift Developer's Kit: Needed to view in virtual reality though you can still follow this tutorial and navigate the city via a regular monitor.

Wednesday, December 18, 2013

A while ago Sky wrote a blog post about exporting an ESRI Silverlight graphic layer to Google Earth. The post explained how to export point data to KML but recently someone inquired on how to also do line and polygon layers. In this post I will explain how to do so.

Monday, March 19, 2012

Previous posts have touched the problems that traditionally face those wanting some geospatial consistency in data collection, data presentation, and data understanding.  These issues drive much of the continual interest and push for increased Metadata and many of the "Use Liability" clauses that are attached to current datasets.  After all, if you don't really know what the feature is, or what many of the attributes really mean, geospatial data is of considerably reduced value.

Tuesday, October 11, 2011

On my current project I was tasked with exporting our map layers to Google Earth.  This was simple for the ESRI ArcGIS Server layers, since Server has out-of-the-box support for KML.  However, as would be the case, we don't use ArcGIS Server for all of our layers.  We also use ESRI Graphic Layers for rendering user markup and data from various data sources.  This presented a challenge to export these layers to Google Earth.  Specifically, we wanted to maintain the same rendering and symbology that we used on our Silverlight maps in Google Earth.

Wednesday, August 3, 2011

Zekiah supports many organizations, especially in the federal government, that have a need to run ArcGIS Server on networks that are not connected to the internet. Oftentimes, these organizations use tiled basemaps that are built from data or services that are available (whether free or by subscription) from the internet. While ArcGIS Server can produce these tile caches, organizations with production servers on disconnected networks can find it impractical to do so. Although the cost of running two ArcGIS Servers is sometimes a factor, we find more often that IT and information security policies make it difficult for these organizations to stand up servers on internet-connected networks. In such situations, a desktop solution is preferable.

Tuesday, April 26, 2011

If you have spent much time with the Esri ArcGIS API for Silverlight, you know it provides a lot of capabilities and offers a flexible API for adding data to a map. Esri has provided some simple out of the box solutions for putting data on a map, such as ArcGISDynamicLayer and GraphicsLayer. These are simple to use and provide an easy way to visualize data on a map. However these may not always meet your needs, and you may need to extend the Esri Silverlight API.