topic Dissolve regression in ArcGis Desktop 10.3.1 and newer in ArcGIS API for Python Questions https://community.esri.com/t5/arcgis-api-for-python-questions/dissolve-regression-in-arcgis-desktop-10-3-1-and/m-p/787208#M1450 <HTML><HEAD></HEAD><BODY><P>ArcGis Desktop 10.3.1 does not dissolve to a single row while version 10.3 does it.</P><P></P><P>We use .NET API but we also tested using Python. In both cases dissolve fails to do it.</P><P>Same error in all versions &gt; 10.3</P><P></P><DIV style="color: #d4d4d4; background-color: #1e1e1e; font-weight: normal; font-size: 14px;"><DIV><SPAN style="color: #c586c0;">import</SPAN><SPAN style="color: #d4d4d4;"> arcpy</SPAN></DIV><DIV><SPAN style="color: #d4d4d4;">arcpy.env.workspace </SPAN><SPAN style="color: #d4d4d4;">=</SPAN><SPAN style="color: #d4d4d4;"> </SPAN><SPAN style="color: #ce9178;">"C:\Users\mpersson0613\OneDrive - Quest Analytics, Inc\Documents\ArcGIS\Default.gdb"</SPAN></DIV><DIV><SPAN style="color: #d4d4d4;">arcpy.Dissolve_management(</SPAN><SPAN style="color: #ce9178;">"C:/GeoStan/2019/shapefile/FL/FLzips_region.shp"</SPAN><SPAN style="color: #d4d4d4;">, </SPAN><SPAN style="color: #ce9178;">"C:/GeoStan/OutputFromPython/FLDissolveFromZip"</SPAN><SPAN style="color: #d4d4d4;">,</SPAN></DIV><DIV><SPAN style="color: #d4d4d4;"> [</SPAN><SPAN style="color: #ce9178;">"STATE"</SPAN><SPAN style="color: #d4d4d4;">, </SPAN><SPAN style="color: #ce9178;">"STATE_FIPS"</SPAN><SPAN style="color: #d4d4d4;">], </SPAN><SPAN style="color: #ce9178;">"ID FIRST"</SPAN><SPAN style="color: #d4d4d4;">, </SPAN><SPAN style="color: #ce9178;">"MULTI_PART"</SPAN><SPAN style="color: #d4d4d4;">, </SPAN></DIV><DIV><SPAN style="color: #d4d4d4;"> </SPAN><SPAN style="color: #ce9178;">"DISSOLVE_LINES"</SPAN><SPAN style="color: #d4d4d4;">)</SPAN></DIV></DIV></BODY></HTML> Fri, 17 May 2019 16:55:30 GMT DavidHill2 2019-05-17T16:55:30Z Dissolve regression in ArcGis Desktop 10.3.1 and newer https://community.esri.com/t5/arcgis-api-for-python-questions/dissolve-regression-in-arcgis-desktop-10-3-1-and/m-p/787208#M1450 <HTML><HEAD></HEAD><BODY><P>ArcGis Desktop 10.3.1 does not dissolve to a single row while version 10.3 does it.</P><P></P><P>We use .NET API but we also tested using Python. In both cases dissolve fails to do it.</P><P>Same error in all versions &gt; 10.3</P><P></P><DIV style="color: #d4d4d4; background-color: #1e1e1e; font-weight: normal; font-size: 14px;"><DIV><SPAN style="color: #c586c0;">import</SPAN><SPAN style="color: #d4d4d4;"> arcpy</SPAN></DIV><DIV><SPAN style="color: #d4d4d4;">arcpy.env.workspace </SPAN><SPAN style="color: #d4d4d4;">=</SPAN><SPAN style="color: #d4d4d4;"> </SPAN><SPAN style="color: #ce9178;">"C:\Users\mpersson0613\OneDrive - Quest Analytics, Inc\Documents\ArcGIS\Default.gdb"</SPAN></DIV><DIV><SPAN style="color: #d4d4d4;">arcpy.Dissolve_management(</SPAN><SPAN style="color: #ce9178;">"C:/GeoStan/2019/shapefile/FL/FLzips_region.shp"</SPAN><SPAN style="color: #d4d4d4;">, </SPAN><SPAN style="color: #ce9178;">"C:/GeoStan/OutputFromPython/FLDissolveFromZip"</SPAN><SPAN style="color: #d4d4d4;">,</SPAN></DIV><DIV><SPAN style="color: #d4d4d4;"> [</SPAN><SPAN style="color: #ce9178;">"STATE"</SPAN><SPAN style="color: #d4d4d4;">, </SPAN><SPAN style="color: #ce9178;">"STATE_FIPS"</SPAN><SPAN style="color: #d4d4d4;">], </SPAN><SPAN style="color: #ce9178;">"ID FIRST"</SPAN><SPAN style="color: #d4d4d4;">, </SPAN><SPAN style="color: #ce9178;">"MULTI_PART"</SPAN><SPAN style="color: #d4d4d4;">, </SPAN></DIV><DIV><SPAN style="color: #d4d4d4;"> </SPAN><SPAN style="color: #ce9178;">"DISSOLVE_LINES"</SPAN><SPAN style="color: #d4d4d4;">)</SPAN></DIV></DIV></BODY></HTML> Fri, 17 May 2019 16:55:30 GMT https://community.esri.com/t5/arcgis-api-for-python-questions/dissolve-regression-in-arcgis-desktop-10-3-1-and/m-p/787208#M1450 DavidHill2 2019-05-17T16:55:30Z