Presentation describing methods of obtaining maps online, georeferencing images, and incorporating shapefiles and CAD files as basemaps

1. Mapping in EnviroInsite
EnviroInsite Training Workshop
HydroAnalysis, Inc.

2. Mapping Sources
Shapefiles
CAD
Web Mapping
Service (WMS)
JPG/PNG
TIF/BMP
Bing Maps
Where do maps come from?
Mapping Your Site

3. Georeferencing an Image
• Some images come
with World File
• World file describes
World File
Airfield.jpg
Airfield.jgw
Airfield.bmp
Airfield.bpw
Airfield.tif
 Pixel Height
 World Location
 Image Rotation
Image File
Airfield.tfw
• Same file name as
image with related
extension
EnviroInsite Training

4. Georeferencing an Image
• Need to know coordinates
of two points on your
image
• Georeferenced image is:
 Scaled
 Translated
 Rotated
Mapping Your Site

5. Georeferencing an Image
1.
2.
3.
4.
Import Image
Select Two Points
Enter Coordinates
Done!
Mapping Your Site

6. Web Mapping Server
Obtain images from
sources on web
• USGS
• State GIS departments
Uses standard protocol
for requesting map image
EnviroInsite Training

7. Web Mapping Servers
Here ‘s
my map
list
Send me
the aerial
photo at
20o E, 40o
N

8. Web Mapping Server in EnviroInsite
Select Coordinates (State Plane or UTM)
Go to Location
• Open database with latitude-longitude coordinates
• View -> Go To Location / Go To Coordinates
• Select State Plane or UTM zone from View -> Options
Insert WMS Image
• Select Server
• Select Layers
• Set Resolution

9. Bing Maps
Requires OnTerra MapSavvy WMS Service ($4 / month)
Enter MapSavvy Code in EnviroInsite

10. Bing Maps in EnviroInsite
Select Coordinates (State Plane or UTM)
Go to Location
• Open database with latitude-longitude coordinates
• View -> Go To Location / Go To Coordinates
• Select State Plane or UTM zone from View -> Options
Insert Image
• Select (1) Aerial, (2) Aerial w/ roads or (3) Roads

11. Mapping Your Site
Hands-on Exercise