Raster Tools Values at Points

This tool reports on the values of pixels under each point in the Feature Dataset for each raster grid in the ‘Table of Rasters’ table. The values are written to the output results table. For more detailed ESRI Help see 'Extract Values To Table'.

User Inputs

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Table for Rasters: This is the input table, usually the results table generated by the Geodata > Search tool, but it can be any table with a field containing the full path to the rasters you want to process with this tool. If the Input Table is a DBF, or a table in an ESRI File Geodatabase, then you can select a subset of rows in ArcMap and only those rows will be processed by the tool.

Field for Raster: Select the field from the 'Table for Rasters' that contains the full path to the raster items you want to process.

Point Features: Select the folder icon to select the feature point dataset that contains the points you want to use for reporting on the raster pixel values.

• TIP: This tool will only work if all the raster and the feature point datasets are in the same projection.

Output Workspace: This is the location for the Grid Garage results table containing the list of geodata processed by the tool as well as any data outputs. If the tool encounters any errors when processing the input geodata then a second results table will be generated, with a ‘_FAIL’ suffix, listing the input geodata that failed and any ESRI error messages.

If you have set the ArcGIS ‘Workspace' parameter in the Geoprocessing > Environment Settings then this path will be used as the default. You can use this default path or click the folder button to select a new output location which can be a folder or File Geodatabase. If you specify a folder then the Results Table will be written to a comma-delimited (CSV) text file, if you specify a File Geodatabase it will be written as a Geodatabase Table.

Result Table Name: You can choose to use the default table name or specify a different name for the Grid Garage results table. The Grid Garage results table reports on a range of different properties for each of the geodata items in the 'Table for Geodata' input table. See the Grid Garage User Manual for a description of all the properties reported on.

If the tool encounters any errors when processing any of the geodata then a second results table will be generated, with a ‘_FAIL’ suffix, listing the input geodata that failed and any ESRI error messages. If you choose a folder for the Output Workspace then the result table will be written to a comma-delimited (CSV) text file which will not allow you to select rows for processing when using the table as input for other Grid Garage Tools.

Result Table file name: The default name will always take the form of ‘ValuesAtPointsRasterTool_date_time’, where ‘date’ and ‘time’ are the date and time that the tool was run.