Changing Projections in ArcMap

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Presentation transcript:

Changing Projections in ArcMap Envs 221 ArcMap setting a projection

Investigating Projections Through the help commands you can learn more about projections and how the are created. ArcMap setting a projection

ArcMap setting a projection Open the properties for Layers ArcMap setting a projection

ArcMap setting a projection Under the Coordinate System Tab, Choose the Predifined coordinate systems ArcMap setting a projection

Global Projected Coordinate Systems ArcMap setting a projection

ArcMap setting a projection We will be using Projected Coordinate Systems ArcMap setting a projection

For World Data use a World Projection ArcMap setting a projection

Try a Mercator (Coast Lines & Direction) Projection ArcMap setting a projection

Miller Cylindrical (Direction) ArcMap setting a projection

ArcMap setting a projection Mollweide (Area) ArcMap setting a projection

ArcMap setting a projection UTM ArcMap setting a projection

ZONE 10 is the correct UTM zone for Whatcom County and Western WA ArcMap setting a projection

State Plane: Use either NAD 1927 or 1983 ArcMap setting a projection

We are in Washington North ArcMap setting a projection

ArcMap setting a projection To find true distance on the face of the earth use a Great Circle Measurment Note that this web page uses N/S on Lat and W/E on Long ESRI uses +/- for N/S and -/+ for W/E you need to make these adjustments http://williams.best.vwh.net/gccalc.htm ArcMap setting a projection