1. GIS Overlay Getting to the “where is?”

2. Distance 1.... buffering Creates a distance from a feature Creates a distance from a feature Works with points lines and polygons Works with points lines and polygons Legal descriptions... Nature rarely pays attention to specified distances... Legal descriptions... Nature rarely pays attention to specified distances... Streams flood by elevation, not distance from the streamStreams flood by elevation, not distance from the stream Eagles hunt where the food is, not within a ¼ mile circle of their nestEagles hunt where the food is, not within a ¼ mile circle of their nest Volcanoes erupt based on internal mechanics influenced by topography, not by neat rings of hazardVolcanoes erupt based on internal mechanics influenced by topography, not by neat rings of hazard

3. Buffer.... The buffer wizard... The buffer wizard... The ArcGIS 8x Buffer wizard The ArcGIS 8x Buffer wizard The ArcGIS 8x Buffer Wizard has been removed from the ArcMap Tools menu, but it is still accessible if you click Tools, click Customize, click Tools in the Commands tab, and select Buffer Wizard. If you want to use this wizard, you can add it to any ArcMap toolbar or pulldown menu from the Customize dialog box. You may want to do this to buffer graphics drawn on a map. The ArcGIS 8x Buffer Wizard has been removed from the ArcMap Tools menu, but it is still accessible if you click Tools, click Customize, click Tools in the Commands tab, and select Buffer Wizard. If you want to use this wizard, you can add it to any ArcMap toolbar or pulldown menu from the Customize dialog box. You may want to do this to buffer graphics drawn on a map. NOTE: In the Buffer tool, the Side Type option is restricted to FULL and the End Type option is restricted to ROUND if you are using an ArcView or ArcEditor license. Setting the Side Type to LEFT or RIGHT and setting the End Type to FLAT, are only possible if you are using ArcInfo. NOTE: In the Buffer tool, the Side Type option is restricted to FULL and the End Type option is restricted to ROUND if you are using an ArcView or ArcEditor license. Setting the Side Type to LEFT or RIGHT and setting the End Type to FLAT, are only possible if you are using ArcInfo.

5. This is the interface developed in Arcview 3.X Allows you to buffer only the selected features

6. The buffer tools.... You cannot buffer selected features (unless you select features and convert them to a new data layer (shapefile)

7. Spatial Join Uses the ‘shape’ field to join two spatial attribute layers Uses the ‘shape’ field to join two spatial attribute layers Works with points/lines or polygons (Raster data requires another approach) Works with points/lines or polygons (Raster data requires another approach) From the Joins and relates tab From the Joins and relates tab

12. Overlay tools Clip- the cookie cutter Clip- the cookie cutter Erase-the eraser shield Erase-the eraser shield Intersect-keeps data from both data sets Intersect-keeps data from both data sets Union- keeps everything from every data set Union- keeps everything from every data set Dissolve- remove internal lines based on an attribute (censuses tracts inside a county) Dissolve- remove internal lines based on an attribute (censuses tracts inside a county) Merge-add two spatial data sets together (tiger files from Lauderdale and Colbert counties) Merge-add two spatial data sets together (tiger files from Lauderdale and Colbert counties)

14. The ArcGIS 8x Geoprocessing Wizard has been removed from ArcMap; it is no longer provided in the product. The ArcGIS 8x Geoprocessing Wizard has been removed from ArcMap; it is no longer provided in the product. Locating the 8x Geoprocessing Wizard operations in the ArcToolbox window Locating the 8x Geoprocessing Wizard operations in the ArcToolbox window Clip— Analysis toolbox > Extract toolset > Clip tool Clip— Analysis toolbox > Extract toolset > Clip toolAnalysis toolbox > Extract toolset > Clip toolAnalysis toolbox > Extract toolset > Clip tool Intersect— Analysis toolbox > Overlay toolset > Intersect tool Intersect— Analysis toolbox > Overlay toolset > Intersect toolAnalysis toolbox > Overlay toolset > Intersect toolAnalysis toolbox > Overlay toolset > Intersect tool Union— Analysis toolbox > Overlay toolset > Union tool Union— Analysis toolbox > Overlay toolset > Union toolAnalysis toolbox > Overlay toolset > Union toolAnalysis toolbox > Overlay toolset > Union tool Dissolve— Data Management Tools toolbox > Generalization toolset > Dissolve tool Dissolve— Data Management Tools toolbox > Generalization toolset > Dissolve toolData Management Tools toolbox > Generalization toolset > Dissolve toolData Management Tools toolbox > Generalization toolset > Dissolve tool Merge— Data Management Tools toolbox > General toolset > Append tool Merge— Data Management Tools toolbox > General toolset > Append toolData Management Tools toolbox > General toolset > Append toolData Management Tools toolbox > General toolset > Append tool NOTE: In the Union and Intersect tools, only two inputs are allowed if you are using an ArcView or ArcEditor license. The ability to union or intersect more than two inputs is only available if you are using an ArcInfo license. NOTE: In the Union and Intersect tools, only two inputs are allowed if you are using an ArcView or ArcEditor license. The ability to union or intersect more than two inputs is only available if you are using an ArcInfo license.

20. X-Tools The better way to spatial analysis in Arcview 3.X