I have a heatmap script that will eventually print 10 PDF maps. At the moment it is failing at Kernel Density Raster creation. Here is the error:
> Reading .CSV file and plotting XY ...
>
>
>Saving xy points in WGS 1984 to a layer for online use later if needed ...
>
>Projecting xy points to TX FIPS ...
>Making rasters ...
>
> Traceback (most recent call last): File "\\coacd.org\dfs\SWS\Code
> Enforcement\ACD Admin Operations\GIS\Operations\Council District
> Analysis Reporting\Auto_HeatMap_WIP\autoheatmap.py", line 55, in
> <module>
> outKDens = KernelDensity(selection_subset, "None", cell_size=100) File "C:\Program Files
> (x86)\ArcGIS\Desktop10.5\ArcPy\arcpy\sa\Functions.py", line 395, in
> KernelDensity
> method) File "C:\Program Files (x86)\ArcGIS\Desktop10.5\ArcPy\arcpy\sa\Utils.py", line 53, in swapper
> result = wrapper(*args, **kwargs) File "C:\Program Files (x86)\ArcGIS\Desktop10.5\ArcPy\arcpy\sa\Functions.py", line 386, in
> Wrapper
> method) File "C:\Program Files (x86)\ArcGIS\Desktop10.5\ArcPy\arcpy\geoprocessing\_base.py", line
> 510, in <lambda>
> return lambda *args: val(*gp_fixargs(args, True)) arcgisscripting.ExecuteError: ERROR 999999: Error executing function.
> An invalid SQL statement was used. An invalid SQL statement was used.
> An invalid SQL statement was used. ERROR 010029: Unable to create the
> raster G:\Code Enforcement\ACD Admin Operations\GIS\Operations\Council
> District Analysis
> Reporting\Auto_HeatMap_WIP\shps\autoLayers.gdb\KernelD_csv_1. ERROR
> 010067: Error in executing grid expression. Failed to execute
> (KernelDensity).
>
>
>
> ... Script Finished at 9:45:20.58
Here is the script:
import xlrd
import os
import arcpy
from arcpy import env
import arcpy.sa
from arcpy.sa import *
workspace = r"\\coacd.org\dfs\SWS\Code Enforcement\ACD Admin Operations\GIS\Operations\Council District Analysis Reporting\Auto_HeatMap_WIP\shps"
autoLayerGDB = os.path.join(workspace, "autoLayers.gdb")
arcpy.env.workspace = autoLayerGDB
arcpy.env.overwriteOutput = True
mxd_path = workspace # mxd can't be in a GDB
SOURCE_DATA = r"\\coacd.org\dfs\SWS\Code Enforcement\ACD Admin Operations\GIS\Operations\Council District Analysis Reporting\Auto_HeatMap_WIP\Source_Data\SOURCE_DATA.csv"
print("\tReading .CSV file and plotting XY ...\n")
spatial_ref = arcpy.SpatialReference("WGS 1984")
output_layer = "sample_xy_points"
saved_Layer = workspace +"\\sample_xy_points.lyr"
in_x_field = "Longitude"
in_y_field = "Latitude"
arcpy.MakeXYEventLayer_management(SOURCE_DATA, in_x_field, in_y_field, output_layer, spatial_ref,)
print("\tSaving xy points in WGS 1984 to a layer for online use later if needed ...\n")
#Copy output to make this permanent and assign an object ID field
arcpy.SaveToLayerFile_management(output_layer, saved_Layer)
arcpy.CopyFeatures_management(output_layer, "coded_xy_points")
#project layer into Texas FIPS
print("\tProjecting xy points to TX FIPS ...\n")
repr_spatial_ref = arcpy.SpatialReference("NAD 1983 StatePlane Texas Central FIPS 4203 (US Feet)")
arcpy.Project_management(output_layer, "coded_xy_points_FIPS4203", repr_spatial_ref)
#project layer into Texas FIPS
print("\tMaking rasters ...\n")
arcpy.CheckOutExtension('Spatial')
#use 'CURRENT' if running from arcmap, when published use MXD on disk
mxd = arcpy.mapping.MapDocument(workspace+"\\working_environment.mxd")
df = arcpy.mapping.ListDataFrames(mxd)[0] # address location data frame and turn on select layers
df.zoomToSelectedFeatures()
#working_gdb = workspace+"\\autoLayers.gdb"
arcpy.env.extent = df.extent #set extent to current one
arcpy.env.overwriteOutput = True #overwrite existing files
my_point_features = autoLayerGDB +"\\output_layer"
scratch_output = autoLayerGDB +"\\scratch"
#Select each district via script
# # Within selected features, further select only those cities which have a population > 10,000
for i in range(1, 11):
my_clause = 'COUNCILDISTRICT = %d' % i
my_filename = "kden_d%d" % i
selection_subset = arcpy.MakeFeatureLayer_management(output_layer, scratch_output, where_clause=my_clause)
outKDens = KernelDensity(selection_subset, "None", cell_size=100)
outKDens.save(autoLayerGDB+"\\"+my_filename)
print("\tRaster created for District %d" % i)
## now making citywide district raster
my_clause = 'COUNCILDISTRICT IS NOT NULL'
my_filename = "kden_dAll"
selection_subset = arcpy.MakeFeatureLayer_management(output_layer, scratch_output, where_clause=my_clause)
outKDens = KernelDensity(selection_subset, "None", cell_size=50)
outKDens.save(autoLayerGDB+"\\"+my_filename)
print("\tRaster created for Citywide View")
mxd = arcpy.mapping.MapDocument(r"\\coacd.org\dfs\SWS\Code Enforcement\ACD Admin Operations\GIS\Operations\Council District Analysis Reporting\Auto_HeatMap_WIP\shps\pdf_template.mxd")
df = arcpy.mapping.ListDataFrames(mxd)[0] # address location data frame and turn on select layers
# visibleMapLayers = ["District Outline","Lakes","case_density","District Fill","Basemap"]
visibleMapLayers = ["District_Outlines_SRC","Lakes","case_density","District_Fills_SRC","Basemap"]
mxd.activeView = "PAGE_LAYOUT" #pan to location and refresh layout
arcpy.RefreshActiveView() #update view
scratch_output = "\\scratch"
outline_lyr = arcpy.mapping.ListLayers(mxd, "District_Outlines_SRC", df)[0]
fill_lyr = arcpy.mapping.ListLayers(mxd, "District_Fills_SRC", df)[0]
for i in range(1, 11):
print("\tstarting with council district %d" % i)
my_clause = 'COUNCILDISTRICT = %d' % i
fill_clause = 'COUNCILDISTRICT <> %d' % i
title_text = "Council District %d" % i
raster_name = "kden_d%d" % i
pdf_name = "District_%d_%s.pdf" % ( i , _time_tag )
#-----------REFRESH TEMPLATE------------------
for lyr in arcpy.mapping.ListLayers(mxd, "", df): #set visibility and remove older layers
lyr.visible = False
if lyr.name in visibleMapLayers:
lyr.visible = True
if lyr.name == "District_Fills_SRC":
lyr.definitionQuery = fill_clause
if lyr.name == "District_Outlines_SRC":
lyr.definitionQuery = my_clause
if lyr.name == "case_density":
lyr.replaceDataSource(autoLayerGDB, "FILEGDB_WORKSPACE", raster_name)