1 8/5/2015 Ron Briggs, UT-Dallas POEC 6381 Introduction to GIS ArcView 3.1/3.2 An Overview As of January 2000, ArcView 3.2 was superceded by ArcGIS 8.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

2 8/5/2015 Ron Briggs, UT-Dallas POEC 6381 Introduction to GIS Arcview Components projects –all components associated with a particular undertaking –comprised of views, tables, charts, layouts, scripts view –essentially a map which you look at or view –contains one or more themes themes –layers of spatial data with similar characteristics (eg streets, hydrolgy, capitals) –in ARC/INFO called coverage if vector, grid if raster tables –rows (usually geographic locations, linked by ID to theme features) –columns describe attributes (characteristics) of locations chart –business graphics to display geographic and tabular data layout –graphic output/screen display of views, tables, charts script –automation feature written in Avenue which allows full customization

3 8/5/2015 Ron Briggs, UT-Dallas POEC 6381 Introduction to GIS ArcView: Example Screen

4 8/5/2015 Ron Briggs, UT-Dallas POEC 6381 Introduction to GIS Arcview Components: Projects Project (workspace) –all components (‘documents’) associated with a particular undertaking –stored in file with extension.apr –components dynamically updated: change one part, other parts updated accordingly. – reopens in identical form to when closed – five types of documents available: views, tables, charts, layouts, scripts –each document has a set of tools for working with it Layout Chart Table View Project geographic features (a map with one or more themes) business graphics output database scripts (provide automation, special effects, etc)

5 8/5/2015 Ron Briggs, UT-Dallas POEC 6381 Introduction to GIS ArcView Components: Views & Themes a view is essentially a map which you look at (view) on the screen (or print with layout) it contains one or more themes (ARCINFO coverages/grids) which are layers of spatial data with similar characteristics eg streets, hydrolgy, capitals only one view active at a time themes listed in ArcView Table of Contents which allows you to control themes to be viewed themes are added from View window using View pull down menu hydrology GIS Framework roads topography Data is organized by layers, coverages or themes (synonomous concepts), each representing a common feature.

6 8/5/2015 Ron Briggs, UT-Dallas POEC 6381 Introduction to GIS ArcView Components Tables & Charts contains attribute (descriptive) data 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 references and can be mapped (non- event tables can simply be included in layouts) charts can be used to display tabular data. 6 types: area, bar, column, line, pie, scatter 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.

7 8/5/2015 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 (object database model) –coverage: ARC/INFO’s native format (relational database model) –SDE (Spatial Data Base Engine) –x,y coordinates defining lines, points, polygons Tabular (attribute) –dBase III and IV (.dbf) – INFO tables (ARC/INFO) –ASCII tab or comma delimited files –SQL (e.g to ORACLE, INGRES, SYBASE, INFORMIX ) –ODBC (Microsoft’s Open Data Base Connectivity: for Windows apps.) Output –shapefiles –Crystal Reports integrated reports –output layouts as JPEG –DXF export Raster (image data as themes) –ARC/INFO GRID –ERDAS –BSQ (band sequential) –BIL (band interleaved by line) –BIP (band interleaved by pixel) –TIFF (tag indexed file format) –TIFF/LZW compressed (extra-cost add- on) –SUN raster –run length compressed (RLC) for hot link only –GIF (graphics interchange format) –X-Bitmap (X-windows bit map) –XWD (X-Windows dump format) –MacPaint –Microsoft DIB (Device Independent Bitmap)

8 8/5/2015 Ron Briggs, UT-Dallas POEC 6381 Introduction to GIS Standard Extensions Provided with AV3.1/3.2 File Support File Access CAD file reader extension including 3-D into Spatial Analyst: –AutoCAD,.DWG –AutoCAD binary.DXF –Bentley MicroStation.DGN –Intergraph/Bentley.MGE Direct database access via SDE ArcView R/3 Extension and Interface –Download data and interact on transactional basis with SAP/R3 –Interact with Material Management and Plant Maintenance modules (3.2) S-57 Data Converter (3.2) –International Hydrographic Organization SDTS Spatial Data Transfer Standard (3.2) Image Data –ERDAS Imagine Files –MrSID compressed images –TIFF 6.0 incl. GeoTIFF 1.0 –JPEG/JFIF public domain compressed image military data formats –ARC Digitized Raster Graphics (ADRG) –Compressed ADRG (CADRG) –Controlled Image Base (CIB) –National Image Transfer Format (NITF) Vector Product Format (VPF) –MGRS (Military Grid Reference System) –Raster Product Format (RPF) (3.2) –DIGEST (ASRP/USRP) British and French military formats (3.2) Digitizer extension –much improved control Extensions must be loaded via File/Extensions before they can be used.

9 8/5/2015 Ron Briggs, UT-Dallas POEC 6381 Introduction to GIS Standard Extensions Provided with AV3.1/3.2 Processing and Mapping Display & Mapping –Map Legend and Table of Contents creation –Add graticules and grids –add neatlines –Map labeling extension to avoid label placement conflicts between multiple themes Projection Handling –Projection utility (with 3.2—hooray!!!) for shapefiles –Add as extension or run externally Spatial Analysis –geoprocessing extension adds many new theme analysis capabilities Many additional capabilities are available via: User contributed extensions downloadable from ESRI Web site Extensions purchasable from 3 rd party vendors Scripts on ESRI Web site & in arcview\samples folder

10 8/5/2015 Ron Briggs, UT-Dallas POEC 6381 Introduction to GIS Optional Extensions Available for AV 3.1/3.2 3D Analyst –3D analysis of surface data –TINS, GRIDS, DEMs Spatial Analyst –2D analysis of raster data –GRIDS, contouring Network Analyst –network routing, etc Image Analyst –Remote Sensing image analysis –based on ERDAS Business Analyst –suite of business tools –includes Network Analyst and Streetmap –includes demographic data ArcView StreetMap 2000 –enhanced geocoding: –newer version of Streetmap (Nov 1994 streets) Tracking Analyst –realtime GPS input Internet Map Server –placing maps on Internet ArcPress for ArcView –printing enhancement Optional extensions (extra $s) provide more specialized analytical capabilities.

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: (also includes extensions) or go to and click Support/Downloads/ArcScriptswww.esri.com 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 e.g. Open a View and be sure the theme you want processed is active. 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 Will be covered in later classes.