Review We will not be reviewing basic GIS concepts, methods, etc. If needed: –Review Boldstad! –See the gsp web site

Cartography Review No underscores North arrows should point north Add padding around legend contents Add “Neat Lines” around text content Add halos to labels on complex backgrounds

Spatial Reference Systems Geographic Coordinate System (GCS) –Datum: Varies –Prime Meridian: Greenwich –Units: Degrees Projected Coordinate System (PCS) –Projection: Varies –Projection Parameters: Varies –Units: Varies, always linear –Includes a GCS

Coordinate Systems Spherical –Geographic “Projection” only Projected –Rectangular only

Common Datums NAD83: –North American Datum, 1983 NAD27: –North American Datum, 1927 WGS84 –World Geodetic System, 1984

Common Projection Systems Universal Transverse Mercator (UTM) –Zone and North or South State Plane –State, Zone Oregon Lambert Projection

Esri Confusion Projected Coordinate System: –NAD_1983_StatePlane_Colorado_North_FIPS_050 1_Feet

Esri Confusion Projected Coordinate System: –NAD_1983_StatePlane_Colorado_North_FIPS_050 1_Feet Correct: –Projection: State Plane, Colorado, North Zone –Datum: North American Datum, 1983 –Units: United States Feet

Confusion con’t Geographic Coordinate System: –GCS_North_American_1983

Confusion con’t Geographic Coordinate System: –GCS_North_American_1983 Correct: –Projection: Geographic –Datum: North American Datum, 1983 –Units: Degrees