https://community.esri.com/t5/arcgis-pro-questions/enable-m-value/m-p/1283159#M68458 <P>Thanks Dan,</P><P>I realised that I should try turning the lines into routes. It now works.&nbsp;</P><P>The function I used is "create routes". thanks for your reply!&nbsp;</P> Thu, 27 Apr 2023 00:43:45 GMT LilingLyu 2023-04-27T00:43:45Z https://community.esri.com/t5/arcgis-pro-questions/enable-m-value/m-p/1283154#M68455 <P>Hi all,&nbsp;</P><P>I have imported some polyline data and plan to use linear referencing. However, I cannot find M value nor can i edit it.&nbsp;</P><P>Can anyone help please?&nbsp;</P><P>If useful - I have version 3.0.4 ArcGIS Pro installed.</P><P>Cheers</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="LilingLyu_0-1682554555654.png" style="width: 400px;"><img src="https://community.esri.com/t5/image/serverpage/image-id/69247i7E7E3C1A0399A5AB/image-size/medium?v=v2&amp;px=400" role="button" title="LilingLyu_0-1682554555654.png" alt="LilingLyu_0-1682554555654.png" /></span></P><P>&nbsp;</P> Thu, 27 Apr 2023 00:18:19 GMT https://community.esri.com/t5/arcgis-pro-questions/enable-m-value/m-p/1283154#M68455 LilingLyu 2023-04-27T00:18:19Z https://community.esri.com/t5/arcgis-pro-questions/enable-m-value/m-p/1283158#M68457 <P>untried, but in theory should work</P><P>create an empty featureclass ensuring that you m-enable it.</P><P>use the Append tool to append the records from the other polyline to it</P> Thu, 27 Apr 2023 00:35:59 GMT https://community.esri.com/t5/arcgis-pro-questions/enable-m-value/m-p/1283158#M68457 DanPatterson 2023-04-27T00:35:59Z https://community.esri.com/t5/arcgis-pro-questions/enable-m-value/m-p/1283159#M68458 <P>Thanks Dan,</P><P>I realised that I should try turning the lines into routes. It now works.&nbsp;</P><P>The function I used is "create routes". thanks for your reply!&nbsp;</P> Thu, 27 Apr 2023 00:43:45 GMT https://community.esri.com/t5/arcgis-pro-questions/enable-m-value/m-p/1283159#M68458 LilingLyu 2023-04-27T00:43:45Z