topic Re: GP.Describe Extent property - wrong extent? in Geoprocessing Questions https://community.esri.com/t5/geoprocessing-questions/gp-describe-extent-property-wrong-extent/m-p/201922#M6887 <HTML><HEAD></HEAD><BODY><BLOCKQUOTE class="jive-quote">Does anyone know why after fetching a describe object on a feature class and returning the Extent property, it returns the extent of the feature class in the current <STRONG>data frame</STRONG> coordinate system, not the extent of the data in its native coordinate system.<BR /><BR /><SPAN style="text-decoration:underline;">With data frame set to Web Mercator Aux Sphere</SPAN><BR /><PRE class="lia-code-sample line-numbers language-none">desc = gp.Describe(input) extent = desc.Extent gp.AddMessage(extent) </PRE><BR /><BR /><STRONG>returns</STRONG><BR />-13375837.6548833 5207681.31544134 -13372787.8830635 5209463.98928341<BR /><BR /><SPAN style="text-decoration:underline;">With data frame set to NAD 83 Albers it returns</SPAN><BR />587035.227167865 916043.393770546 589292.681698993 917353.957017839<BR /><BR />Any thoughts?<BR /><BR />Also, a workaround would be to check the data frame projection against the input in the ToolValidator code, any ideas if there's a way to grab data frame projection from the geoprocessor?&nbsp; I don't see any....<BR /><BR />Thanks, Mike</BLOCKQUOTE><BR /><SPAN> </SPAN><BR /><SPAN>== I am interested in getting the extent output in degrees decimal format for any input format, is that possible?</SPAN></BODY></HTML> Sat, 11 Dec 2021 10:02:03 GMT AlPiszcz 2021-12-11T10:02:03Z GP.Describe Extent property - wrong extent? https://community.esri.com/t5/geoprocessing-questions/gp-describe-extent-property-wrong-extent/m-p/201921#M6886 <HTML><HEAD></HEAD><BODY><SPAN>Does anyone know why after fetching a describe object on a feature class and returning the Extent property, it returns the extent of the feature class in the current </SPAN><STRONG>data frame</STRONG><SPAN> coordinate system, not the extent of the data in its native coordinate system.</SPAN><BR /><BR /><SPAN style="text-decoration:underline;">With data frame set to Web Mercator Aux Sphere</SPAN><BR /><PRE class="plain" name="code">desc = gp.Describe(input) extent = desc.Extent gp.AddMessage(extent) </PRE><DIV style="display:none;"> </DIV><BR /><BR /><STRONG>returns</STRONG><BR /><SPAN>-13375837.6548833 5207681.31544134 -13372787.8830635 5209463.98928341</SPAN><BR /><BR /><SPAN style="text-decoration:underline;">With data frame set to NAD 83 Albers it returns</SPAN><BR /><SPAN>587035.227167865 916043.393770546 589292.681698993 917353.957017839</SPAN><BR /><BR /><SPAN>Any thoughts?</SPAN><BR /><BR /><SPAN>Also, a workaround would be to check the data frame projection against the input in the ToolValidator code, any ideas if there's a way to grab data frame projection from the geoprocessor?&nbsp; I don't see any....</SPAN><BR /><BR /><SPAN>Thanks, Mike</SPAN></BODY></HTML> Wed, 26 May 2010 16:31:30 GMT https://community.esri.com/t5/geoprocessing-questions/gp-describe-extent-property-wrong-extent/m-p/201921#M6886 MichaelRich 2010-05-26T16:31:30Z Re: GP.Describe Extent property - wrong extent? https://community.esri.com/t5/geoprocessing-questions/gp-describe-extent-property-wrong-extent/m-p/201922#M6887 <HTML><HEAD></HEAD><BODY><BLOCKQUOTE class="jive-quote">Does anyone know why after fetching a describe object on a feature class and returning the Extent property, it returns the extent of the feature class in the current <STRONG>data frame</STRONG> coordinate system, not the extent of the data in its native coordinate system.<BR /><BR /><SPAN style="text-decoration:underline;">With data frame set to Web Mercator Aux Sphere</SPAN><BR /><PRE class="lia-code-sample line-numbers language-none">desc = gp.Describe(input) extent = desc.Extent gp.AddMessage(extent) </PRE><BR /><BR /><STRONG>returns</STRONG><BR />-13375837.6548833 5207681.31544134 -13372787.8830635 5209463.98928341<BR /><BR /><SPAN style="text-decoration:underline;">With data frame set to NAD 83 Albers it returns</SPAN><BR />587035.227167865 916043.393770546 589292.681698993 917353.957017839<BR /><BR />Any thoughts?<BR /><BR />Also, a workaround would be to check the data frame projection against the input in the ToolValidator code, any ideas if there's a way to grab data frame projection from the geoprocessor?&nbsp; I don't see any....<BR /><BR />Thanks, Mike</BLOCKQUOTE><BR /><SPAN> </SPAN><BR /><SPAN>== I am interested in getting the extent output in degrees decimal format for any input format, is that possible?</SPAN></BODY></HTML> Sat, 11 Dec 2021 10:02:03 GMT https://community.esri.com/t5/geoprocessing-questions/gp-describe-extent-property-wrong-extent/m-p/201922#M6887 AlPiszcz 2021-12-11T10:02:03Z Re: GP.Describe Extent property - wrong extent? https://community.esri.com/t5/geoprocessing-questions/gp-describe-extent-property-wrong-extent/m-p/201923#M6888 <HTML><HEAD></HEAD><BODY><P>I have just stumbled across the same thing (using ArcGIS 9.3.1). How can I get the extent of a feature class in its native coordinate system?</P><P></P><P>EDIT: just found a workaround:</P><PRE __default_attr="python" __jive_macro_name="code" class="jive_macro_code _jivemacro_uid_14413705558641635 jive_text_macro" data-renderedposition="71_8_912_16" jivemacro_uid="_14413705558641635" modifiedtitle="true"><P>gp.Describe(gp.Describe(layer).CatalogPath).Extent</P></PRE><P>This returns the extent of the layer in its native coordinate system by referencing the layer's source file on disk.</P><P>But perhaps there is a better way to do this?</P></BODY></HTML> Fri, 04 Sep 2015 11:55:21 GMT https://community.esri.com/t5/geoprocessing-questions/gp-describe-extent-property-wrong-extent/m-p/201923#M6888 BGSWasser 2015-09-04T11:55:21Z