A generate tessellations analysis resulting in a new layer with 1 mile hexagon bins created for a study area in Auckland.
What is a generate tessellation analysis? A generate tessellation analysis is the process of creating equally sized square, hexagon, triangle, or diamond geometry bins for an area or extent. To execute the analysis, use the spatial analysis service and the Generate
You typically generate tessellations to create regularly shaped areas that can be used in subsequent analysis.
Real-world examples of this analysis include the following:
Enriching the polygons with data from the GeoEnrichment service . Aggregating and summarize high-density point data. Visualizing how best to allocate resources for projects such as reforestation. How to generate tessellations Review the parameters for the Generate operation. Send a request to get the spatial analysis service URL. Execute a job request with the following URL and parameters: URL: https: Parameters:bin: The tessellation shape.bin: The size of each bin. output: A string representing the name of the hosted feature layer to return with the results. Check the status . Get the output layer results . To see examples using ArcGIS API for Python, ArcGIS REST JS, and the ArcGIS REST API, go to Examples below.
URL request
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http : //<YOUR_ANALYSIS_SERVICE>/arcgis/rest/services/tasks/GPServer/GenerateTessellations/submitJob?<parameters>
Required parameters Name Description Examples fThe format of the data returned. f=json f=pjsontokenAn OAuth 2.0 access token . Learn how to get an access token in Security and authentication . token=<binThe tessellation shape. HEXAGON, SQUARE, DIAMOND, TRIANGLE, TRANSVERSEHEXAGONbinThe size of each bin. 500
Key parameters Name Description Examples binThe unit to be used with the specified value in bin. Feet,Miles,KilometersextentThe extent that the tessellations will cover. {"url":"https:outputA string representing the name of the hosted feature layer to return with the results. NOTE : If you do not include this parameter, the results are returned as a feature collection (JSON). {"servicecontextA bounding box or output spatial reference for the analysis. "extent":{"xmin:
Code examples Generate hexagon bins This example uses the Generate operation to create hexagon bins in a polygon (boundary) by specifying the bin value as a hexagon with a bin value of 1 mile.
Generate tessellations analysis creating 1 mile hex bins (1 mile) within a polygon of the Santa Monica mountains.
APIs ArcGIS API for Python ArcGIS API for Python ArcGIS REST JS
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results = generate_tessellation(
bin_size= 1 ,
bin_type= "HEXAGON" ,
bin_size_unit= "Miles" ,
intersect_study_area= True ,
extent_layer= "https://services3.arcgis.com/GVgbJbqm8hXASVYi/arcgis/rest/services/Boundary/FeatureServer/0" ,
# Outputs results as a hosted feature service.
output_name= "Generate tessellation results" ,
)
Service requests 1. Get the analysis service URL 2. Submit job 3. Check job status 4. Get results
Request HTTP HTTP cURL
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POST arcgis.com/sharing/rest/portals/self HTTP/1.1
Content-Type : application/x-www-form-urlencoded
&f=json
&token= < ACCESS_TOKEN >
Response (JSON)
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{
"helperServices" : {
// Other parameters
"analysis" : {
"url" : "https://<YOUR_ANALYSIS_SERVICE>/arcgis/rest/services/tasks/GPServer"
},
"geoenrichment" : {
"url" : "https://geoenrich.arcgis.com/arcgis/rest/services/World/GeoenrichmentServer"
}
}
}
Request HTTP HTTP cURL
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POST <YOUR_ANALYSIS_SERVICE> /arcgis/ rest /services/ tasks /GPServer/G enerateTessellations /submitJob HTTP/ 1.1
Content-Type: application/x-www-form-urlencoded
&f=json
&token=<ACCESS_TOKEN>
&binType=HEXAGON
&extentLayer={ "url" : "https://services3.arcgis.com/GVgbJbqm8hXASVYi/arcgis/rest/services/Boundary/FeatureServer/0" , "name" : "Boundary" }
&intersectStudyArea= true
&binSize= 1
&binSizeUnit=Miles
&outputName={ "serviceProperties" :{ "name" : "Generate tessellations results" }}
Response (JSON)
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{
"jobId" : "<JOB_ID>" ,
"jobStatus" : "esriJobSubmitted" ,
"results" : {},
"inputs" : {},
"messages" : []
}
Request HTTP HTTP cURL
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POST <YOUR_ANALYSIS_SERVICE> /arcgis/ rest /services/ tasks /GPServer/G enerateTessellations /jobs/ <JOB_ID> HTTP/ 1.1
Content-Type: application/x-www-form-urlencoded
&f=json
&token=<ACCESS_TOKEN>
Response (JSON)
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// Executing job
{
"jobId" : "<JOB_ID>" ,
"jobStatus" : "esriJobExecuting" ,
"results" : {},
"inputs" : {},
"messages" : []
}
// Job succeeded
{
"jobId" : "<JOB_ID>" ,
"jobStatus" : "esriJobSucceeded" ,
"results" : {
"tessellationLayer" : {
"paramUrl" : "results/tessellationLayer"
},
},
"inputs" : {},
"messages" : []
}
Request HTTP HTTP cURL
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POST <YOUR_ANALYSIS_SERVICE> /arcgis/ rest /services/ tasks /GPServer/G enerateTessellations /jobs/ <JOB_ID> /results/ tessellationLayer HTTP/ 1.1
Content-Type: application/x-www-form-urlencoded
&f=json
&returnType=data
&token=<ACCESS_TOKEN>
Response (JSON)
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{
"paramName" : "tessellationLayer" ,
"dataType" : "GPString" ,
"value" : {
"url" : "<SERVICE_URL>" ,
"itemId" : "<ITEM_ID>"
}
}
Generate square bins This example uses the Generate operation to create square bins in a polygon (boundary) by specifying the bin value as a square with a bin value of 1 mile in Portland.
Generate tesselations analysis creating 1 mile square bins for a polygon boundary in Portland.
APIs ArcGIS API for Python ArcGIS API for Python ArcGIS REST JS
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results = generate_tessellation(
bin_size= 1 ,
bin_type= "SQUARE" ,
bin_size_unit= "Miles" ,
intersect_study_area= True ,
extent_layer= "https://services3.arcgis.com/GVgbJbqm8hXASVYi/arcgis/rest/services/Portland_boundary/FeatureServer/0" ,
# Outputs results as a hosted feature service.
output_name= "Generate tessellation results" ,
)
Service requests 1. Get the analysis service URL 2. Submit job 3. Check job status 4. Get results
Request HTTP HTTP cURL
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POST arcgis.com/sharing/rest/portals/self HTTP/1.1
Content-Type : application/x-www-form-urlencoded
&f=json
&token= < ACCESS_TOKEN >
Response (JSON)
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{
"helperServices" : {
// Other parameters
"analysis" : {
"url" : "https://<YOUR_ANALYSIS_SERVICE>/arcgis/rest/services/tasks/GPServer"
},
"geoenrichment" : {
"url" : "https://geoenrich.arcgis.com/arcgis/rest/services/World/GeoenrichmentServer"
}
}
}
Request HTTP HTTP cURL
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POST <YOUR_ANALYSIS_SERVICE>/arcgis/rest/services/tasks/GPServer/GenerateTessellations/submitJob HTTP/1.1
Content-Type : application/x-www-form-urlencoded
&f=json
&token=<ACCESS_TOKEN>
&binType=SQUARE
&extentLayer={ "url" : "https://services3.arcgis.com/GVgbJbqm8hXASVYi/arcgis/rest/services/Portland_boundary/FeatureServer/0" , "name" : "Portland_boundary" }
&intersectStudyArea= true
&binSize= 1
&binSizeUnit=Miles
&outputName={ "serviceProperties" :{ "name" : "Generate tessellations results" }}
Response (JSON)
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{
"jobId" : "<JOB_ID>" ,
"jobStatus" : "esriJobSubmitted" ,
"results" : {},
"inputs" : {},
"messages" : []
}
Request HTTP HTTP cURL
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POST <YOUR_ANALYSIS_SERVICE> /arcgis/ rest /services/ tasks /GPServer/G enerateTessellations /jobs/ <JOB_ID> HTTP/ 1.1
Content-Type: application/x-www-form-urlencoded
&f=json
&token=<ACCESS_TOKEN>
Response (JSON)
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// Executing job
{
"jobId" : "<JOB_ID>" ,
"jobStatus" : "esriJobExecuting" ,
"results" : {},
"inputs" : {},
"messages" : []
}
// Job succeeded
{
"jobId" : "<JOB_ID>" ,
"jobStatus" : "esriJobSucceeded" ,
"results" : {
"tessellationLayer" : {
"paramUrl" : "results/tessellationLayer"
},
},
"inputs" : {},
"messages" : []
}
Request HTTP HTTP cURL
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POST <YOUR_ANALYSIS_SERVICE> /arcgis/ rest /services/ tasks /GPServer/G enerateTessellations /jobs/ <JOB_ID> /results/ tessellationLayer HTTP/ 1.1
Content-Type: application/x-www-form-urlencoded
&f=json
&returnType=data
&token=<ACCESS_TOKEN>
Response (JSON)
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{
"paramName" : "tessellationLayer" ,
"dataType" : "GPString" ,
"value" : {
"url" : "<SERVICE_URL>" ,
"itemId" : "<ITEM_ID>"
}
}
Tutorials Learn how to perform related analyses interactively with Map Viewer and programmatically with ArcGIS API for Python, ArcGIS REST JS, and ArcGIS REST API.
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