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- In the Contents pane, right-click the HISDElemSchools_HalfMileBuffer layer and select Remove.
- In the Contents pane, right-click the HPDCrime2010_HISD layer and select Remove.
- Click the Right-click the HISDElemSchools_HalfMileBuffer_WithCrimeStats layer to select it.andselectSymbology.
The Symbology pane...
- For ‘Primary symbology', use the drop-down menu to
- Under Feature Layer, on the Appearance tab, in the Drawing group, click the drop-down arrow under Symbology.
- Under ‘Symbolize your layer by quantities’ click Graduated Colors.
- For ‘Field:’, use the drop-down menu to select the Join_Count field.
- In the ‘Color Scheme:’ box, leave the default selection of Graduated colors.
- Under the Upper Value column, click the first upper value box 27.000000 and type “25” and press Enter to move to the next range.
- Type “50” and press Enter.
- Type 100” and press Enter.
- Type 150” and press Enter.
- Type 200” and press Enter.
You can now easily tell which schools have the largest number of violent crimes occurring within a half mile radius.
- Click the Save buttonAbove the ribbon, on the Quick Access toolbar, click the Save button.
Spatial Join (Polygons to Points)
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Notice that the five schools do not have a district assigned to them. That is because those schools fall within HISD, but do not fall within the City of Houston police jurisdiction.
- Close the attribute table HISDElemSchools_WithHPDDistricts table view.
Searching for Tools
In this tutorial, you navigated to various geoprocessing tools directly through the Toolbox; however, it is likely that when you go to work on your own, you may not remember exactly where all those tools are located. As long as you can remember the name of the tool or what it does, you can find it using the search function.
- On the Analysis tab, click the Tools button.
- At the top of the Geoprocessing pane, in the Search box, type “Buffer” and press Enter.
- Click on the first tool that says Buffer (Analysis Tools) to open the tool.