# Hot Spot Analysis of 911 calls in a metropolitan area
# using the Incremental Spatial Autocorrelation and Hot Spot Analysis Tools
# Import system modules
import arcpy
# Set property to overwrite existing output, by default
arcpy.env.overwriteOutput = True
# Local variables
workspace = r"C:\ISA"
try:
# Set the current workspace (to avoid having to specify the full path to
# the feature classes each time)
arcpy.env.workspace = workspace
# Copy the input feature class and integrate the points to snap together at
# 30 feet
# Process: Copy Features and Integrate
cf = arcpy.management.CopyFeatures("911Calls.shp", "911Copied.shp")
integrate = arcpy.management.Integrate("911Copied.shp #", "30 Feet")
# Use Collect Events to count the number of calls at each location
# Process: Collect Events
ce = arcpy.stats.CollectEvents("911Copied.shp", "911Count.shp")
# Use Incremental Spatial Autocorrelation to get the peak distance
# Process: Incremental Spatial Autocorrelation
isa = arcpy.stats.IncrementalSpatialAutocorrelation(ce, "ICOUNT", "20", "",
"", "EUCLIDEAN", "ROW_STANDARDIZATION", "outTable.dbf",
"outReport.pdf")
# Hot Spot Analysis of 911 Calls
# Process: Hot Spot Analysis (Getis-Ord Gi*)
distance = isa.getOutput(2)
hs = arcpy.stats.HotSpots(ce, "ICOUNT", "911HotSpots.shp", "Fixed Distance Band",
"Euclidean Distance", "None", distance, "", "")
except arcpy.ExecuteError:
# If an error occurred when running the tool, print out the error message.
print(arcpy.GetMessages())
