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Geography Project: Clip & Convert to ASCII Program - Kelly Knapp Spring 2010

This program script facilitates clipping and converting raster data to ASCII format in Geographic Information Systems. It imports necessary modules, checks data paths, sets output folders, and handles errors efficiently. Users can input variables for clipping and ASCII processing, defining extents with polygons or custom latitude and longitude coordinates. The tool includes a user-friendly GUI and generates helpful HTML documentation. The script is designed to enhance spatial analysis workflows for project work.

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Geography Project: Clip & Convert to ASCII Program - Kelly Knapp Spring 2010

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  1. Geography 376 Project Clip & Convert to ASCII Program Kelly Knapp Spring 2010

  2. Basic parts of script Comments • Import Modules • Load Toolboxes • Check out SpatialAnalyst Setup of Data Path Variables

  3. Setup of Data Path Variables • Output Folder variables (Clip & ASCII files saved here) Function for Error Handling

  4. Check for existing folders • Delete & Create new folders Create List of Rasters

  5. Description attributes displayed on screen for user Variables for Clip & ASCII process

  6. Variables for Clip & ASCII process Clip & ASCII conversion # of rasters modified

  7. Except block for error handling Check in Spatial Analyst extension Delete gp

  8. Custom Tool GUI

  9. Tool Parameters

  10. Custom Tool GUI Example of User Inputs

  11. Original GRID file Clipped raster usingPolygon Features for extents

  12. Clipped raster with UserDefined Latitude & Longitude Coordinates Clipped raster usingPolygon Features for extents

  13. Tool Help HTML Exported Help File

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