Replication of Results - Spatial Mathematics: Theory and Practice through Mapping - page 105

Figure 4.13 Add a Placemark in Google Earth. Google Earth mapping service © 2012
Google and Image US Dept of State Geographer, © 2012 Google, Data SIO NOAA US
Navy NGA GEBCO, ©2012 MapLink/TeleAtlas.
Image insertion was also important to verify the tree type and its appearance
at each tagged location. Try uploading a photo, by hand, into Google Earth. Go
to the “Add” pulldown menu. Choose “Image Overlay” and upload any image
you have on your computer. Again, try to position the image to imitate the
result obtained in Figure 4.12 . If you closed the image before you were done
editing it, right-click on the name of the image overlay in the left-side panel,
and choose “properties” to activate layer editing capabilities. As with inserting
placemarks, the direct by-hand process is easy. Its accuracy, however, is lim-
ited. Again, improvement can be realized directly in Google Earth by typing
coordinates in the “Fly to” box, as with the placemarks. Still, there are limits
that are overcome easily using extra software to upload materials into Google
Earth where we can take advantage of its interactive features. GeoSetter was
easy and useful for this particular project. Esri GIS maps may also be brought
directly into Google Earth and overlain on the imagery (as we did with the
stream layers from the County). Further, Microsoft Excel spreadsheets may
also be mapped in Google Earth, Google Maps, and in ArcGIS Online, as long
as there are geocodable data columns within the spreadsheet. Depending on
the software used, geocodable data columns include latitude-longitude or
other coordinate system, or street addresses. Spreadsheet Mapper 2.0 v3 is
available from Google Earth Outreach as a free download http://www.google.
com/earth/outreach/tutorials/spreadsheet.html.
The important distinction here, between display software such as Google
Earth and Google Maps versus GIS software, is that there is not an underlying