Civil Engineering Transportation GIS Workshop

workshop guide

Lab Exercise: Hot Spot Analysis

Open HotSpotAnalysis.mxd.
Run Optimized Hot Spot Analysis (Spatial Statistics) Tool:
- Input point features: CityofCalgary_OpenData_TrafficIncidents_Archive2017_projected
- Output raster: ...\HotSpot.gdb\TrafficIncident_HotSpot_Fishnet
- Incident Data Aggregation Method: COUNT_INCIDENTS_WITHIN_FISHNET_POLYGONS
Run Optimized Hot Spot Analysis (Spatial Statistics) Tool:
- Input point features: CityofCalgary_OpenData_TrafficIncidents_Archive2017_projected
- Output raster: ...\HotSpot.gdb\TrafficIncident_HotSpot_Snap
- Incident Data Aggregation Method: SNAP_NEARBY_INCIDENTS_TO_CREATE_WEIGHTED_POINTS
Enable the ArcGIS Spatial Analyst extension.
- Click Customize > Extensions. Check Spatial Analyst.
Run IDW (Spatial Analyst) Tool:
- Input point features: TrafficIncident_HotSpot_Snap
- Z value field: Gi_Bin
- Output raster: ...\HotSpot.gdb\TrafficIncident_HotSpot_Snap_IDW
Run Feature to Point (Data Management) Tool:
- Input feature: TrafficIncident_HotSpot_Fishnet
- Output Feature Class: ...\HotSpot.gdb\TrafficIncident_HotSpot_Fishnet_ToPoint
Run IDW (Spatial Analyst) Tool:
- Input point features: TrafficIncident_HotSpot_Fishnet_ToPoint
- Z value field: Gi_Bin
- Output raster: ...\HotSpot.gdb\TrafficIncident_HotSpot_Fishnet_IDW