Use the selection tools in ArcMap to select polygons that intersect roads and are larger than a given size
Segment 24 of 34
|Top Previous Next|
By examining the opt_areasM layer with the roads layer, you’ll see that there are some suitable areas for the school site that are not close to roads within the town. You’ll first exclude these areas by locating suitable sites that are intersected by roads. Then you’ll locate the best site based on area. An optimal school site is larger than 10 acres, or 40,469 square meters.
To find parcels with roads, click Selection on the Main Menu and click Select By Location. Select features from opt_areasM that intersect roads.
To find the ones that are also large enough, click Selection on the Main Menu again and click Select By Attributes.
Click the Layer drop-down arrow and click the layer opt_areasM.
Click the Method drop-down arrow and click Select from current selection.
Double-click [Shape_Area] in the list of fields to enter the field into the expression text box. Click the > = button. Type a space, then type “40469”. Click Apply, then click Close.
There is one feature that fits the criteria of touching a road and being equal to or greater than 10 acres (40,469 square meters).
Right-click opt_areasM in the table of contents, point to Selection, then click Create Layer From Selected Features.
The added layer opt_areasM selection is an in-memory layer that references the opt_areasM feature class.