Monday, February 7, 2011

Projections Part 1

Process Summary for “Projections Part 1”
Topics Covered:  ArcToolbox, Re-projections shapefiles, Defining projections, Creating new shapefiles, Editor toolbar
Deliverables:  1 Map and Process Summary
·         Projection_P1
1.      Followed Steps in Lab: Projections Part I
2.      Add datasets from ArcCatalog to ArcMap: cntbnd
3.      Save as: H:\Working Projects\Projections_1\Projections_1\ProjectionsP1 _ndp.mxd
4.      Layers Selected: cntbnd, cntbnd_utm16, cntbnd_stateplanen
5.      Add Neatline: Gap 5, Border 1.0, Background 10% Grey
6.      Size and Position: Align to Center and Align to Vertical Center
7.      Add Title: Florida: Viewed in Different Projections, Size, Position, Font
8.      Add Legends to Each Data Frame: Position, Size, Change File Names, Add Border, Convert to Graphics
9.      Create Reports For Each Projection: Alachua, Escambia, Miami-Dade, and Polk Counties
10.  Add North  Arrow to Each Data Frame(Size, Position, Style)
11.  Add Scale: Size, Position, Font, Set Division Units Miles, Set Division Value 1
12.  Add Name and Date: Nick Peloquin 07 Feb 11, Size, Position, Font
13.  Add Data Source: FGDL 2003, Position, Font
14.  Export Map Document:  H:\Finished Products\Projections 1\ProjectionsP1_ndp.jpg
·         Lab Questions/Answers
Q1: A projected coordinate system is always based on a geographic coordinate system that is based on a sphere or spheroid. T/F?
A1: True
Q2: If a data source has an undefined coordinate system, ArcMap cannot project it on the fly. ArcMap will simply draw it. T/F?
A2: True
Q3: From the properties of uwf_n and uwf_n_utm what are the cellsizes for each raster?
A3: uwf_n.jpg: 1.0034133, 0.99926691 and uwf_n_utm: 0.30457716, 0.30457716
Q4: Acccording to ArcGIS Desktop Help (using the Search tab), which Coordinate System is used for most federal, state, and local large-scale mapping projects in the United States?
A4: State Plane Coordinate System
Q5: Let’s say you have a project site located 20 miles SW of Savannah, GA. What would UTM zone be appropriate for most of your on-site data?
A5: 17

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