Friday, July 27, 2012

Updated Datasets on the GIS Hub

A number of datasets have been updated on the GIS Hub by the North Dakota GIS Technical Committee data stewards.  These are:


Antenna Structures (updated)
Cellular Sites (updated)
AM Radio (updated)
FM Radio (updated)
Mobile Radio - Broadcast (updated)
Mobile Radio - Commercial (updated)
Television - Digital (updated)
Television - NTSC (updated)
Paging (updated)
Microwave (updated)

These datasets can be downloaded or delivered via data services.  More information on these datasets can be found on the Hub Data Portal. You may find it convenient to simply browse to the data within the Categories section of the Hub Data Portal. After you've located the data of interest, click on the More Information button and then scroll down to the Transfer Options section. In that section, click the Download link to download the data or click the 'Esri REST including WMS' link to obtain the data service information.

Friday, July 13, 2012

Using GIS Hub Data in Google Earth

There may be times when you'd like to display GIS Hub data in Google Earth without first having to download the data. What follows is a brief tutorial.

First, visit the GIS Hub REST page and click on the "Features" folder:

Next, select the data set of interest. In this tutorial, we'll select state lands by clicking on the "Features/GovtLands_State" item:

Now scroll to the bottom of the page and locate the "Generate KML" link and click on that:

OK, we are almost there.  Specify the Document Name you wish to give for the one or more layers you will select and then select the layer(s) you wish to display in Google Earth.  Select the "Vector layers as vectors and raster layers as images" option.  Your screen may look similar to this when done:

Finally, click on the Generate KML button and select to open the file with Google Earth:

You should now see the data on Google Earth. For most data you can click on a feature to get more information about it:

If you wish to change display characteristics of the data within Google Earth, click the layer name and select Properties then click the "Style, Color" tab to make the adjustments: