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ArcGIS

ArcGIS. ArcCatalog, ArcMap and ArcToolbox. ArcCatalog. ArcCatalog let you Find Preview Document Organize geographical data Create personal geodatabase to store that data Create and import feature classes and tables View and update metadata

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ArcGIS

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  1. ArcGIS ArcCatalog, ArcMap and ArcToolbox

  2. ArcCatalog • ArcCatalog let you • Find • Preview • Document • Organize geographical data • Create personal geodatabase to store that data • Create and import feature classes and tables • View and update metadata • Drag and drop data onto an existing map in ArcMap

  3. ArcMap • Create and interact with maps • View, edit and analyze geographic data • Query spatial data • Symbolize your data • Create charts and reports • Map layouts • Support wide variety of data format (shapefile, coverages, tables, CAD drawings, images, grids, and triangular irregular network)

  4. ArcToolbox • GIS geoprocessing tools

  5. ArcGIS Feature Classes, Data File Formats in ArcGIS

  6. Feature Class • A single geographic feature type (having the same spatial representation) corresponds to a feature class • Feature classes in geodatabase are: • Point feature class • Line feature class • Polygon feature class • Annotation

  7. Feature Classes

  8. Data File Formats and ArcGIS • Shapefile - legacy ESRI (ArcView 3.x) • Coverage - legacy ESRI (ArcInfo 7.x) • Geodatabase - most recent (ArcGIS 8.x onwards) • Layer Source: http://www.indiana.edu/~gisci/courses/g338/lectures/introduction-to-gis-2.html

  9. http://www.geog.ucsb.edu/~jeff/gis/data_models1.html

  10. Shapefile (.shp) • Each shapefile corresponds to a feature class • A complete shapefile comprises of at least 3 files with the same prefix name( *.shp, *.shx and *.dbf) (should be saved in a same folder) • Geometric information displayed in ArcCatalog's "Preview” • Attribute information displayed in ArcCatalog's "Table Preview" http://www.geog.ucsb.edu/~jeff/gis/data_models1.html

  11. ArcInfo Coverages • A coverage is a collection of files in a subdirectory • Contains multiple geographic feature types • Folder that contains all of these feature classes is the actual coverage • Two folders within a workspace (one with the name of the coverage and another named ‘info’) • Geometric information displayed in ArcCatalog's"Preview” • Attribute information displayed in ArcCatalog's "Table Preview" http://www.geog.ucsb.edu/~jeff/gis/data_models1.html

  12. ArcInfo Coverages

  13. ArcInfo Coverages In Class Exercise • Question:1- Use ArcGIS Help to find "coverages" to answer the following questions. • List any 3 feature classes that a coverage can contain. • What are tic points?

  14. Geodatabase (.mdb) • Primary mechanism used to organize and use geographic information in ArcGIS • Geodatabase is a collection of geographic datasets of various types (vector, raster, and tabular data) • Can be created, accessed, managed through standard menus and ArcCatalog, ArcToolbox and ArcMap

  15. Geodatabase http://www.geog.ucsb.edu/~jeff/gis/data_models1.html

  16. Layer File (.lyr) • Readable directly by ArcGIS • Does not contain actual geographic data • Specifications for the presentation of other datasets • color • label properties (font, color, placements, etc.)

  17. Icons and hierarchy Source: http://www.geog.ucsb.edu/~jeff/gis/data_models1.htm

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