Online resources for georeferencing
Don't hesitate to comment below if you have any questions or additional phrases
Online resources for georeferencing
http://herpnet.org/Gazetteer/GeorefResources
.htm
,Online resources for georeferencing http://canadensys.net/digitization/georeferencing
,
Google Maps http://maps.google.com
Search & directions
Free text search, zoom -dependent
Directions for travelling by car, bike, public transport and foot
Data compiled from different sources
Maps Datum:
WGS84
Views: map, satellite (= aerial photography), terrain,
Google Street View + various layers of information Data compiled from different sources (indicated at the bottom of each map)
Third Party Plug-ins extend functionality ,Google Maps -
Searching Search now with suggestions
,Google Maps - Viewing
Satellite Maps
Terrain (under ‘More’)
Earth (plug-in required)
,
Google Maps – Street View Street View
,Google Maps – Street View I collected here
,Google Maps – Getting coordinates Requires additional widgets or plug-ins
Activate LatLng
Marker in Google Maps
Labs
Install a mapplet like
GPS Location or
Position Finder in ‘My Maps > Browse the directory’. Now deprecated! Use Canadensys LatLong Crosshairs bookmarklet: http://www.canadensys.net/georeferencing Use
Distance Measurement
Tool to measure extent Use My Maps to save markers, create maps, share with others (including kml import) ,Google Maps – Getting coordinates Google Maps Labs LatLng Marker
Right-click and‘
Drop LatLng Marker’ (activate in ‘Labs’ first)
,Google Maps – Getting coordinates Canadensys bookmarklet
Click to toggle Crosshairs Pan map to change position Click to get coordinates
,Google Maps – Measuring extent Distance Measurement Tool (activate in ‘Labs’ first)
,
Google Earth http://earth.google.com
3D globe desktop application Same data as Google Maps Datum: WGS84
No Map or Terrain view
Similar functionalities as Google Maps Search more limited than Google Maps (no suggestions)
Right-click and choose ‘Get
Info’ for coordinates Use ruler to measure extent Several coordinate formats Numerous information layers (format: kml) ,AcmeMapper http://mapper.acme.com/
Google Maps
interface Datum: WGS84 (&
NAD27)
Map, satellite, hybrid and terrain
Topo, DOQ,
NEXRAD and Mapnik Free text search not
Zoom level-dependent Markers cannot be moved, but new markers can be placed at crosshairs (click ‘
Mark’) Several coordinate formats for each marker + heading and distance from crosshairs
Saves all markers automatically ,EarthTools http://www.earthtools.org/
Worldwide gazetteer for citiesand towns
Google Map basemaps
Great for hard to find localities, especially outside US Datum: WGS84
Search with country or worldwide Provides
DMS, DD,
UTM coordinates Includes contours (but spotty coverage)
Example:
Qandahar or
Kandahar, AF ,
GEOnet Names Server (
GNS) http://earth-info.nga.mil/gns/html/
Worldwide data from
NGA andUS
BGN NIMA =
National Imagery andMapping
Agency
Datum: WGS84 Degrees minutes seconds,precision to nearest minute
Feature type
Used as a source for many gazetteers For US data, use
Geographic Names Information System (
GNIS): http://geonames.usgs.gov/pls/gnispublic/ ,Geographical
Name Search
Service (
GNSS) http://gnss.nrcan.gc.ca/gnss-srt/searchName
.jsp
Canadian data by the CanadianGeographical
Names Service(
CGNS) Datum:
NAD83
Degrees minutes seconds anddecimal degrees Feature type Full Canadian Geographical Names datasets can be downloaded from GeoBase: http://www.geobase.ca/ ,
Falling Rain http://www.fallingrain.com
Worldwide gazetteer for citiesand towns Great for hard to find localities,especially outside US Datum: WGS84
Degrees minutes (seconds), based on NIMA Browse to find locality (no search) Provides hierarchy, alternative names, topo maps, altitude, weather information and location of nearby towns in nautical miles (nm). Tip: Use
Google/Chromey to translate nm into km. Example: Qaryeh-ye Gol`alam, Velayat-e Lowgar, AF You can also check against Statoids: http://www.statoids.com/ ,Getty
Thesaurus of
Geograph