https://community.esri.com/t5/arcgis-api-for-python-questions/does-rastertopolygon-not-honour-environmental/m-p/1053795#M6011 <P>From...</P><P><A href="https://pro.arcgis.com/en/pro-app/latest/tool-reference/conversion/raster-to-polygon.htm" target="_blank">Raster to Polygon (Conversion)—ArcGIS Pro | Documentation</A></P><P>these are the environment parameters that are supported</P><P><EM>Auto Commit, Current Workspace, Default Output Z Value, Extent, Geographic Transformations, M Resolution, M Tolerance, Maintain Spatial Index, Output CONFIG Keyword, Output Coordinate System, Output has M values, Output has Z values, Output M Domain, Output XY Domain, Output Z Domain, Scratch Workspace, Snap Raster, XY Resolution, XY Tolerance, Z Resolution, Z Tolerance</EM></P> Mon, 03 May 2021 15:09:43 GMT DanPatterson 2021-05-03T15:09:43Z https://community.esri.com/t5/arcgis-api-for-python-questions/does-rastertopolygon-not-honour-environmental/m-p/1053761#M6010 <P>I am running in some strange problems in ArcGIS Pro 2.7.2. Within a notebook&nbsp; I started to define some environmental settings, setting addOutputsToMap to false and overwriteOutput to true, and I specify the outputCoordinateSystem via</P><LI-CODE lang="python">arcpy.env.outputCoordinateSystem = arcpy.SpatialReference(25832)</LI-CODE><P>I retrieve an iterator containing the path of a number of tif files and iterate over it.</P><P>Within the iteration I utilize RasterToPolygon</P><LI-CODE lang="python">arcpy.conversion.RasterToPolygon(tif,out_fc,simplify="NO_SIMPLIFY",raster_field="Value")</LI-CODE><P>Even though I set outputOverwrite = True I am getting ERROR 000528: Output Path/to/File already exists from RasterToPolygon. Does not happen all the time, but from time to time.</P><P>The other problem is the coordinate system defined for the notebook. In case I leave the environmental attribute addOutputsToMap at the default value I get the immediate response while running the RasterToPolygon cell. The feature classes created by the tool are missing the spatial reference!</P><P>I checked... all tif files are in EPSG 25832, the feature dataset I am writing the feature classes into is defined in EPSG 25832, and the notebook defines the coordinate system to EPSG 25832.</P><P>I was also running the RasterToPolygon in an with-statement, utilizing EnvManger... to no avail.</P><P>&nbsp;</P><P>I wonder where RasterToPolygon drops the coordinate system.<BR />In case it's not meant to honour neither environmental settings, nor inherit spatial references from input files then I wonder why there is no parameter, offering the possibility&nbsp; to define the output coordinate system for the method.</P><P>&nbsp;</P><P>The Python used here is in version 3.7.9 and I did not clone the environment... it's the default.</P> Mon, 03 May 2021 14:02:01 GMT https://community.esri.com/t5/arcgis-api-for-python-questions/does-rastertopolygon-not-honour-environmental/m-p/1053761#M6010 TomGeo 2021-05-03T14:02:01Z https://community.esri.com/t5/arcgis-api-for-python-questions/does-rastertopolygon-not-honour-environmental/m-p/1053795#M6011 <P>From...</P><P><A href="https://pro.arcgis.com/en/pro-app/latest/tool-reference/conversion/raster-to-polygon.htm" target="_blank">Raster to Polygon (Conversion)—ArcGIS Pro | Documentation</A></P><P>these are the environment parameters that are supported</P><P><EM>Auto Commit, Current Workspace, Default Output Z Value, Extent, Geographic Transformations, M Resolution, M Tolerance, Maintain Spatial Index, Output CONFIG Keyword, Output Coordinate System, Output has M values, Output has Z values, Output M Domain, Output XY Domain, Output Z Domain, Scratch Workspace, Snap Raster, XY Resolution, XY Tolerance, Z Resolution, Z Tolerance</EM></P> Mon, 03 May 2021 15:09:43 GMT https://community.esri.com/t5/arcgis-api-for-python-questions/does-rastertopolygon-not-honour-environmental/m-p/1053795#M6011 DanPatterson 2021-05-03T15:09:43Z