Geoprocessing IIIJust what is Geoprocessing?Two flavors of GeoprocessingIts PurposeWorkflowsAnd the derived workflow is…SchematicallyExercise 8And…Geoprocessing IIIThe Nature Centeresf Laboratory for Applied GIS2Just what is Geoprocessing?•Geoprocessing is used by everyone that uses ArcGIS. Whether you're a new user or an old pro, geoprocessing will become an essential part of your day-to-day work with ArcGIS. (esri)•So we have to emphasize it!esf Laboratory for Applied GIS3Two flavors of Geoprocessing•Process modeling–What we have been talking about–Is a model of a physical process–Can be static or dynamic – iteration •Simulation–Explicitly model a process in timeesf Laboratory for Applied GIS4Its Purpose•Almost all uses of GIS involve repetition •The automation of geospatial tasks–Saves time–Provides documentation–Share methods•These methods are called Workflowsesf Laboratory for Applied GIS5Workflows•A Workflow is a collection of Steps and data that define the paths that can be taken to complete a task. ... •So when presented with a problem with a set of criteria that must be met•You generate a workflowesf Laboratory for Applied GIS6And the derived workflow is…1. What tools would be used for each of the criteria?2. In what order would these sub-tasks be undertaken?3. Graphically…esf Laboratory for Applied GIS7Schematically Data DataProcessDataProcessOr by text listesf Laboratory for Applied GIS8Exercise 8•We desire that the selected location (Tax Parcel) be no more than 6 miles from each of the schools. If absolutely necessary this distance can be expanded but in no case can it be more than 10 miles.•The selected parcel(s) should be between 10 and 20 acres.•The selected parcel(s) must have both forest and agriculture cover types, the nearer 50/50 the better.•The selected parcel must contain a stream.•It is preferable that the parcel be owned by the town, the county (Lewis), or the state. But the Districts would be willing to purchase the selected parcel if necessary.esf Laboratory for Applied GIS9And…•Very similar to that we discussed last week•In that one we set out a workflow–Select parcels •[acres]<=20 and [acres]>=40What is the