The world of virtual globes

Images Courtesy:•Google Earth

•MS Virtual Earth

•NASA World WindGraduate School of Geography, Clark University

Graduate School of Geography, Clark University

Microsoft Virtual EarthSkyline Globe

Google Earth NASA World Wind


•MS Virtual Earth

•NASA World Wind

•Skyline Globe


Imagery Courtesy:•Google Earth


Imagery Courtesy:•Google Earth

Images Courtesy:GISuser.com

Geoeye.com


GEO-Eye 1, Sept 01 2008

Updated every 2 months

Resolution up to 10 cms

Sphinx Near the Great Pyramid of Giza. Giza, Egypt

Images Courtesy:

•NASA World Wind


Images Courtesy:

•NASA World Wind


Images Courtesy:•MS Virtual Earth

Very High Resolution

Imagery

Realistic 3D Models

Bellagio Hotel, Las Vegas

Photo Courtesy: Sayzey (Flickr.com)


Images Courtesy:

•MS Virtual Earth

Bellagio Hotel, Las Vegas

Bird’s Eye Imagery


Over 900,000 Polygons

Around 1 GB shp file

Map Courtesy:•HeroMAP, Clark University


Application Courtesy:•Victorian Rainforest Network


Application Courtesy:•Nasa World Wind


http://www.earthissquare.com/WorldWind/images/4/45/WW_NRL.jpg



Application Courtesy:•Sierra Club, BC, Canada


Application Courtesy:•NASA World Wind


Application Courtesy:•James Stafford

http://tinyurl.com/VG-105


Application Courtesy:•British Antarctic Survey



Application Courtesy:

•www.idecan.grafcan.es



Application Courtesy:

•Thematicmapping.org





Images Courtesy:

•Google Earth

Images Courtesy:

•Google Earth

=

GOOPShttp://tinyurl.com/VG-108


Images Courtesy:

•Google Earth

4

• Draw horizontal and/or vertical grids (equally spaced or not)

5

• Draw regular polygons around placemarks

6

• Calculate path's length/perimeter

1

•Calculate distances between placemarks

2

•Calculate route (bearing) to the next placemark

3

•Add distances, routes and/or coordinates to the placemarksdescription



Images Courtesy:

•Google Earth

1

• Make graph with geometrical shapes (circles, squares, triangles, etc).

2

• Set the shape size according to each placemarkvalue

3

• Also set the shape color according to a placemarkvalue

1

•Graph's title and color scale as GE screen overlays

2

•Different choice of label content (place name and/or value)

3

•Paste files from other applications (Word, Excel, Access,...)

4

•Export data to Excel



Images Courtesy:

•Google Earth



KML Courtesy:

•Digital Data Services Inc



Application Courtesy:•Map Tiler

http://www.maptiler.org/







Application Courtesy:•http://www.arc2earth.com/


Application Courtesy:•gCensus



Application Courtesy:•GmapCreator



KML encodes simple geographic features in XML

• "Points, lines and polygons"

• Image overlays

<description> field can hold HTML with links, images etc

Contains several types of information:

• Geolocation

• Style

• Camera control

KML

Google Earth

Google Maps

ArcGIS Explorer

NASA World Wind

AutoCad

Yahoo Pipes

Adobe Photoshop

Google Maps

Mobile


http://tinyurl.com/Int-Sampler


Output/Display

No Map Composition but great for display

Analyze

Pattern Recognition, Network analysis etc.

Query

No Ability to Query

Store

Only World wind allows storage/download of Imagery

Capture

Difficult to move captured data to GIS


Region specific

Not up-to-date

High speed internet

High memory including Video RAM

Inaccuracies in data outside USA

National security and privacy

Nomenclature of controversial territories




Validation by virtual fieldwork


•MS Virtual Earth





Image Courtesy:•Google Earth


Image Courtesy:•Google Earth





Low-cost, scalable publishing platform

Tool that help us increase our knowledge and understanding of our world

“As PCs have democratized computing, Google Earth is going to democratize GIS”. Michael Goodchild


Hero Map Team

Google Earth

NASA World Wind

Microsoft Virtual

Skyline Globe

Google Earth Sightseeing

Google Earth Blog

Google Knol

Google Lat Long

Ogle Earth

Juicy Geography

Free Geography Tools

Google Earth Hacks


[email protected]


The world of virtual globes

Education

application courtesy

kml courtesy

imagery courtesy

goopsimages courtesy

d modelsimages courtesy

las vegas photo courtesy

gb shp filemap courtesy

images etccontains