https://community.esri.com/t5/arcgis-api-for-python-questions/accessing-rasterfunction-classifications-through/m-p/1367004#M9481 <P>Hi!<BR /><BR />I am trying to classify some points based off of their wildfire risk.</P><P>&nbsp;</P><P>I am using the ImageryLayer provided by the US Forest Service (<A href="https://www.arcgis.com/home/item.html?id=9274dfe5318540d7a09f0117c0be0730" target="_blank">https://www.arcgis.com/home/item.html?id=9274dfe5318540d7a09f0117c0be0730</A>) which appears to have a Raster Function applied that classifies the pixel values into different categories.</P><P>Is there a way to access this categorization or the fields that are generated by the Raster Function using get_samples?</P><P>See this snippet from a web map for the fields I am after.</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="zlans15_0-1704487989972.png" style="width: 400px;"><img src="https://community.esri.com/t5/image/serverpage/image-id/90722iD4A5CE6AFB5B197D/image-size/medium?v=v2&amp;px=400" role="button" title="zlans15_0-1704487989972.png" alt="zlans15_0-1704487989972.png" /></span></P><P>&nbsp;</P><P>The following code outputs a dictionary response:</P><P>&nbsp;</P><LI-CODE lang="python">wf_risk_item = gis.content.get(9274dfe5318540d7a09f0117c0be0730) wf_risk_layer = wf_risk_item.layers[0] wf_risk_layer.get_samples(test_geom, out_fields = '*')</LI-CODE><P>&nbsp;</P><LI-CODE lang="python">[{'location': {'x': -81.46579, 'y': 31.251772, 'spatialReference': {wkid': 4326, latestWkid': 4326}}, 'locationId': 0, 'value': '132', 'rasterId': 1, 'resolution': 30, 'attributes': {'Name': 'WHP_CONUS_reclassed', 'MinPS': 0, 'MaxPS': 19200, 'LowPS': 30, 'HighPS': 1920, 'Category': 1, 'Tag':'Dataset' 'GroupName': '', 'ProductName': '', 'CenterX': -10746853.616312053, 'CenterY': 4796876.014940174, 'ZOrder': None, 'Shape_Length': 19418521.666981366, 'Shape Area': 22477410469388.316}, 'values': [132.01]}]</LI-CODE><P>However, none of the attributes or the values returned match with the Raster.Fields. Is there a way to access these?</P> Fri, 05 Jan 2024 21:04:21 GMT zlans15 2024-01-05T21:04:21Z https://community.esri.com/t5/arcgis-api-for-python-questions/accessing-rasterfunction-classifications-through/m-p/1367004#M9481 <P>Hi!<BR /><BR />I am trying to classify some points based off of their wildfire risk.</P><P>&nbsp;</P><P>I am using the ImageryLayer provided by the US Forest Service (<A href="https://www.arcgis.com/home/item.html?id=9274dfe5318540d7a09f0117c0be0730" target="_blank">https://www.arcgis.com/home/item.html?id=9274dfe5318540d7a09f0117c0be0730</A>) which appears to have a Raster Function applied that classifies the pixel values into different categories.</P><P>Is there a way to access this categorization or the fields that are generated by the Raster Function using get_samples?</P><P>See this snippet from a web map for the fields I am after.</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="zlans15_0-1704487989972.png" style="width: 400px;"><img src="https://community.esri.com/t5/image/serverpage/image-id/90722iD4A5CE6AFB5B197D/image-size/medium?v=v2&amp;px=400" role="button" title="zlans15_0-1704487989972.png" alt="zlans15_0-1704487989972.png" /></span></P><P>&nbsp;</P><P>The following code outputs a dictionary response:</P><P>&nbsp;</P><LI-CODE lang="python">wf_risk_item = gis.content.get(9274dfe5318540d7a09f0117c0be0730) wf_risk_layer = wf_risk_item.layers[0] wf_risk_layer.get_samples(test_geom, out_fields = '*')</LI-CODE><P>&nbsp;</P><LI-CODE lang="python">[{'location': {'x': -81.46579, 'y': 31.251772, 'spatialReference': {wkid': 4326, latestWkid': 4326}}, 'locationId': 0, 'value': '132', 'rasterId': 1, 'resolution': 30, 'attributes': {'Name': 'WHP_CONUS_reclassed', 'MinPS': 0, 'MaxPS': 19200, 'LowPS': 30, 'HighPS': 1920, 'Category': 1, 'Tag':'Dataset' 'GroupName': '', 'ProductName': '', 'CenterX': -10746853.616312053, 'CenterY': 4796876.014940174, 'ZOrder': None, 'Shape_Length': 19418521.666981366, 'Shape Area': 22477410469388.316}, 'values': [132.01]}]</LI-CODE><P>However, none of the attributes or the values returned match with the Raster.Fields. Is there a way to access these?</P> Fri, 05 Jan 2024 21:04:21 GMT https://community.esri.com/t5/arcgis-api-for-python-questions/accessing-rasterfunction-classifications-through/m-p/1367004#M9481 zlans15 2024-01-05T21:04:21Z