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ModelBuilder at ArcGIS 9.2



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ModelBuilder at ArcGIS 9 2 Lyna Wiggins Rutgers University May 2008 ArcToolbox at ArcGIS 9 2 Creating a New Toolbox Create a new Toolbox in ArcCatalog or ArcToolbox Default location for a New Toolbox created inside ArcToolbox is C Documents and Settings user profile Application Data ESRI ArcToolbox My Toolboxes If you will be sharing your model and using relative addresses you need to plan the folder location of your New Toolbox carefully Create a new Model by a right click on the new Toolbox Geoprocessing Tools There are five ways of using geoprocessing tools in ArcGIS Run some of them in ArcMap Run them from ArcToolbox Type them at the command line Use them in a script environment like Python Use them in ModelBuilder What do we want to do We might want to use a series of geoprocessing tools in an exploratory analysis As we explore we want to visualize our results as we work We might like to change parameter values and see their impact ModelBuilder is helpful in this exploratory process Run processes as you go you may not even want to save the model What do we want to do If you have a complex sequence of processes that you have to do frequently or with a number of different datasets you will want to create and save a model You may want to run multiple scenarios for example for a build out analysis create custom tools and use them inside your model or by themselves share your model with others ModelBuilder ModelBuilder is now integrated throughout the ArcGIS product lines any tool in Toolbox can be used to define a process These include tools from the Extensions ModelBuilder helps us create edit document and distribute models After you create a model it can be exported as a script to Python for example New Integrated Model Window ModelBuilder Graphic interface Elements Inputs blue ellipses Outputs green ellipses Processes gold rectangles Drag and drop tools processes from ArcToolbox Fill in parameter values in dialog boxes Input Input data can be any of the ArcGIS



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