नीचे दी गई स्क्रिप्ट विभाजित बहुभुजों की नई सुविधा वर्ग और उन्हें विभाजित करने के लिए उपयोग की जाने वाली रेखाओं का उत्पादन करेगी। उन्नत लाइसेंस की आवश्यकता है।
बहुभुज इस तरह विभाजित होंगे:
मिडपॉइंट के रूप में न्यूनतम बाउंडिंग ज्योमेट्री आयत के सेंट्रोइड का उपयोग करना और आयत के पार विभाजित करना।
import arcpy
print 'Running'
arcpy.env.workspace = r'C:\TEST.gdb' #Change to match your data
infc = r'polygons123' #Change to match your data
outfc_splitlines = r'splitlines'
outfc_splitpolygons=r'splitpolygons'
spatial_ref = arcpy.Describe(infc).spatialReference
arcpy.CreateFeatureclass_management(out_path=arcpy.env.workspace, out_name=outfc_splitlines, geometry_type='POLYLINE',spatial_reference=spatial_ref) #Creates a new feature class to hold the split lines
with arcpy.da.SearchCursor(infc,['SHAPE@','SHAPE@X','SHAPE@Y']) as cursor: #For each input polygon create a minimum bounding rectangle
for row in cursor:
arcpy.MinimumBoundingGeometry_management(row[0],r'in_memory\bounding','RECTANGLE_BY_WIDTH')
arcpy.SplitLine_management(r'in_memory\bounding', r'in_memory\splitline') #Split the rectangle into four lines, one for each side
linelist=[]
with arcpy.da.SearchCursor(r'in_memory\splitline',['SHAPE@LENGTH','SHAPE@']) as cursor2:
for row2 in cursor2:
linelist.append(row2) #Store the lines lenghts and geometries in a list
linelist=sorted(linelist,key=lambda x: x[0]) #Sort shortest to longest (the two shortest sides of the rectangles come first and second in list)
arcpy.CopyFeatures_management(in_features=linelist[0][1], out_feature_class=r'in_memory\templine') #Copy the first line to memory
with arcpy.da.UpdateCursor(r'in_memory\templine',['SHAPE@X','SHAPE@Y']) as cursor3:
for row3 in cursor3:
newcentroidx=row[1] #Find x coord of bounding rectangle centroid
newcentroidy=row[2] #Find y..
row3[0]=newcentroidx #Assign this to the shortest line
row3[1]=newcentroidy #Assign this to the shortest line
cursor3.updateRow(row3) #Move the line to the centroid of bounding rectangle
arcpy.Append_management(inputs=r'in_memory\templine', target=outfc_splitlines) #Save this line in splitline feature class
#After all split lines are created convert input polygons to lines, merge with split lines and create new polygons from lines.
arcpy.FeatureToLine_management(in_features=infc, out_feature_class=r'in_memory\polytemp')
arcpy.Merge_management(inputs=[r'in_memory\polytemp',outfc_splitlines], output=r'in_memory\templines')
arcpy.FeatureToPolygon_management(in_features=r'in_memory\templines', out_feature_class=outfc_splitpolygons)
print 'Done'
विशेषताएँ लुप्त हो जाएँगी लेकिन आप उन्हें फिर से जोड़ने के लिए Spatial Join का उपयोग कर सकते हैं।