ArcView and ArcInfo

Document Sample
ArcView and ArcInfo Powered By Docstoc
					     ArcView 3.1/3.2
                             An Overview

     As of January 2000, ArcView 3.2 was superceded by ArcGIS 8.
   The term ArcView was applied to the lowest level tier of ArcGIS 8.
   Progressively higher tiers, all with a common interface, were termed
                          ArcEditor and ArcInfo

                                                                          1
8/19/2012 Ron Briggs, UT-Dallas   POEC 6381 Introduction to GIS
                       Arcview Components
   • projects                                    • tables
         – all components associated with              – rows (usually geographic locations,
           a particular undertaking                      linked by ID to theme features)
         – comprised of views, tables,                 – columns describe attributes
           charts, layouts, scripts                      (characteristics) of locations
   • view                                        • chart
         – essentially a map which you                 – business graphics to display
           look at or view                               geographic and tabular data
         – contains one or more themes
                                                 • layout
   • themes                                            – graphic output/screen display of
         – layers of spatial data with                   views, tables, charts
           similar characteristics (eg
           streets, hydrolgy, capitals)          • script
         – in ARC/INFO called coverage                 – automation feature written in
           if vector, grid if raster                     Avenue which allows full
                                                         customization
                                                                                               2
8/19/2012 Ron Briggs, UT-Dallas          POEC 6381 Introduction to GIS
                          ArcView: Example Screen




                                                                  3
8/19/2012 Ron Briggs, UT-Dallas   POEC 6381 Introduction to GIS
                                  Arcview Components:
                                       Projects
    • Project (workspace)
         – all components (‘documents’)
           associated with a particular                                  Project
           undertaking                                 output
         – stored in file with extension .apr                                Layout
                                                                                                     database
         – components dynamically
           updated: change one part, other
           parts updated accordingly.                       Chart                        Table
         – reopens in identical form to
           when closed                              business
                                                    graphics
                                                                             View
         – five types of documents
           available: views, tables, charts,
           layouts, scripts                              scripts                 geographic features
                                                         (provide automation,     (a map with one or more themes)
         – each document has a set of tools              special effects, etc)

           for working with it
                                                                                                             4
8/19/2012 Ron Briggs, UT-Dallas         POEC 6381 Introduction to GIS
                                  ArcView Components:
                                  Views & Themes
    •   a view is essentially a map which                    GIS Framework
        you look at (view) on the screen
        (or print with layout)
    •   it contains one or more themes                           roads

        (ARCINFO coverages/grids)
        which are layers of spatial data                          hydrology
        with similar characteristics eg
        streets, hydrolgy, capitals
                                                                  topography
    •   only one view active at a time
    •   themes listed in ArcView Table
        of Contents which allows you to                  Data is organized by layers,
        control themes to be viewed                      coverages or themes
    •   themes are added from View                       (synonomous concepts), each
        window using View pull down                      representing a common feature.
        menu

                                                                                          5
8/19/2012 Ron Briggs, UT-Dallas        POEC 6381 Introduction to GIS
                                  ArcView Components
                                  Tables & Charts
•   contains attribute (descriptive) data
                                                             Area         Bar
•   can create in ArcView or access data
    from other sources (e.g via SQL)
•   references to tables are stored, not data
    itself (therefore automatic update)
•   event tables contain geographic                      Column           Line
    references and can be mapped (non-
    event tables can simply be included in
    layouts)
•   charts can be used to display tabular
    data.                                                 Pie            Scatter
•   6 types: area, bar, column, line, pie,
    scatter

     Since data is stored in dBase tables and Excel can read these, it’s often as
     easy to use Excel (or similar) for graphing, especially for “one-off” charts.
                                                                                     6
8/19/2012 Ron Briggs, UT-Dallas        POEC 6381 Introduction to GIS
             Data Types in basic Arcview (3.2)
      [others available via standard (free) or optional (extra $) extensions]
  Vector (spatial)
        – shape file: ARCVIEW’s native format         Raster (image data as themes)
          (object database model)                           – ARC/INFO GRID
        – coverage: ARC/INFO’s native format                – ERDAS
          (relational database model)                       – BSQ (band sequential)
        – SDE (Spatial Data Base Engine)
                                                            – BIL (band interleaved by line)
        – x,y coordinates defining lines, points,
          polygons                                          – BIP (band interleaved by pixel)
  Tabular (attribute)                                       – TIFF (tag indexed file format)
        – dBase III and IV (.dbf)                           – TIFF/LZW compressed (extra-cost add-
        – INFO tables (ARC/INFO)                              on)
        – ASCII tab or comma delimited files                – SUN raster
        – SQL (e.g to ORACLE, INGRES,                       – run length compressed (RLC)
          SYBASE, INFORMIX )                          for hot link only
        – ODBC (Microsoft’s Open Data Base                  –   GIF (graphics interchange format)
          Connectivity: for Windows apps.)
                                                            –   X-Bitmap (X-windows bit map)
  Output
                                                            –   XWD (X-Windows dump format)
        –   shapefiles
                                                            –   MacPaint
        –   Crystal Reports integrated reports
                                                            –   Microsoft DIB (Device Independent
        –   output layouts as JPEG                              Bitmap)
        –   DXF export
                                                                                                    7
8/19/2012 Ron Briggs, UT-Dallas            POEC 6381 Introduction to GIS
         Standard Extensions Provided with AV3.1/3.2
 File Access             File Support
 •    CAD file reader extension including          •   military data formats
      3-D into Spatial Analyst:                          –   ARC Digitized Raster Graphics (ADRG)
       –   AutoCAD, .DWG                                 –   Compressed ADRG (CADRG)
       –   AutoCAD binary .DXF                           –   Controlled Image Base (CIB)
       –   Bentley MicroStation .DGN                     –   National Image Transfer Format (NITF)
       –   Intergraph/Bentley .MGE                 •   Vector Product Format (VPF)
 •    Direct database access via SDE                     – MGRS (Military Grid Reference System)
 •    ArcView R/3 Extension and Interface                – Raster Product Format (RPF) (3.2)
       – Download data and interact on transactional     – DIGEST (ASRP/USRP) British and French
         basis with SAP/R3
                                                           military formats (3.2)
       – Interact with Material Management
         and Plant Maintenance modules (3.2)         Digitizer   extension
 •    S-57 Data Converter (3.2)                          – much improved control
       – International Hydrographic Organization
 •    SDTS Spatial Data Transfer Standard (3.2)              Extensions must be loaded
 •    Image Data
       –   ERDAS Imagine Files
                                                             via File/Extensions
       –   MrSID compressed images                           before they can be used.
       –   TIFF 6.0 incl. GeoTIFF 1.0
       –   JPEG/JFIF public domain compressed image
                                                                                                8
8/19/2012 Ron Briggs, UT-Dallas          POEC 6381 Introduction to GIS
        Standard Extensions Provided with AV3.1/3.2
                  Processing and Mapping
   Display & Mapping           Projection Handling
         – Map Legend and Table of                – Projection utility (with
           Contents creation                        3.2—hooray!!!) for
                                                    shapefiles
         – Add graticules and grids
                                                  – Add as extension or run
         – add neatlines                            externally
         – Map labeling extension to        Spatial Analysis
           avoid label placement                  – geoprocessing
           conflicts between multiple               extension adds many
           themes                                   new theme analysis
                                                    capabilities
      Many additional capabilities are available via:
      •User contributed extensions downloadable from ESRI Web site
      •Extensions purchasable from 3rd party vendors
      •Scripts on ESRI Web site & in arcview\samples folder
                                                                               9
8/19/2012 Ron Briggs, UT-Dallas   POEC 6381 Introduction to GIS
        Optional Extensions Available for AV 3.1/3.2
  • 3D Analyst                                  • ArcView StreetMap 2000
        – 3D analysis of surface data                 – enhanced geocoding:
        – TINS, GRIDS, DEMs                           – newer version of Streetmap
  • Spatial Analyst                                     (Nov 1994 streets)
        – 2D analysis of raster data            • Tracking Analyst
        – GRIDS, contouring
                                                      – realtime GPS input
  • Network Analyst
                                                • Internet Map Server
        – network routing, etc
                                                      – placing maps on Internet
  • Image Analyst
        – Remote Sensing image analysis         • ArcPress for ArcView
        – based on ERDAS                              – printing enhancement
  • Business Analyst
        – suite of business tools
                                                    Optional extensions (extra $s)
        – includes Network Analyst and
          Streetmap                                 provide more specialized
        – includes demographic data                 analytical capabilities.
                                                                                     10
8/19/2012 Ron Briggs, UT-Dallas         POEC 6381 Introduction to GIS
         Using Extensions and Scripts in ArcView
• Obtain copy of script or extension
   – Write yourself with Avenue language
   – Supplied with ArcView in folder: arcview/samples/scripts or
     arcview/samples/ext
         • Go to ArcView Help/Contents/Sample Scripts and Extensions for documentation
    – Buy from ESRI and other companies
    – Supplied free by ESRI or users and available on ESRI web site at:
      http://gis.esri.com/arcscripts/scripts.cfm (also includes extensions)
         • or go to www.esri.com and click Support/Downloads/ArcScripts
         • Be sure to print or download documentation/description
• To load and use an extension
   – Place .avx file in arcview/ext32 folder
   – Open ArcView, choose File/extensions, place tick next to name, click OK
• To load and use a script
    In Project window, select Script and click new button to open script window
    Use Script/load text file to load code from existing text file containing avenue code (.ave)
       e.g. \av_gis30\arcview\samples\scripts\calcapl.ave   will calculate areas, perimeters, lengths
    Click the “check mark” icon to compile the code.
    Take steps within ArcView as appropriate for specific script                      Will be covered
       e.g. Open a View and be sure the theme you want processed is active.
                                                                                      in later classes.
    Click on script window then click the “Runner" icon to run script.
       e.g. variables measuring area and perimeter will be added to theme table

				
DOCUMENT INFO
Shared By:
Categories:
Tags:
Stats:
views:61
posted:8/18/2012
language:English
pages:11