topic Re: Channel Migration mapping in ArcGIS Pro Questions https://community.esri.com/t5/arcgis-pro-questions/channel-migration-mapping/m-p/1229396#M61985 <P>Hi, I don't know if you got an answer to this, but I'm interested in this too. &nbsp;I think an important step is to extract the centerlines from the different years.</P> Tue, 08 Nov 2022 00:31:40 GMT SusanaCrespo2 2022-11-08T00:31:40Z Channel Migration mapping https://community.esri.com/t5/arcgis-pro-questions/channel-migration-mapping/m-p/621543#M27636 <HTML><HEAD></HEAD><BODY><P style="background-color: #ffffff; border: 0px; font-size: 14px;">I want to create polygons from NAIP or drone images of a stream over a period of time such as shown below. I am trying to find an efficient way to trace the stream channel in an<SPAN>&nbsp;</SPAN><STRONG style="border: 0px; font-weight: bold; font-size: 14px;">automated way</STRONG>&nbsp;rather than tracing the stream channel manually (Which becomes very tedious for a bigger area). I tried without success this Image classification tutorial,&nbsp;<SPAN style="color: black; border: 0px; font-weight: inherit; font-size: 14px;"><A class="" href="https://community.esri.com/external-link.jspa?url=https%3A%2F%2Fyoutu.be%2F6rWKle3DrDU" rel="nofollow" style="color: #287433; border: 0px; font-weight: inherit; text-decoration: none; font-size: 14px; padding: 0px calc(12px + 0.35ex) 0px 0px;" target="_blank">https://youtu.be/6rWKle3DrD</A>&nbsp;and I will appreciate it if anyone can help.&nbsp;</SPAN></P><P style="background-color: #ffffff; border: 0px; font-size: 14px;"><SPAN style="color: black; border: 0px; font-weight: inherit; font-size: 14px;">Thank you in advance.&nbsp;</SPAN></P><P style="background-color: #ffffff; border: 0px; font-size: 14px;"><IMG alt="" class="image-1 jive-image" height="570" src="https://community.esri.com/legacyfs/online/508613_AreaInterested.PNG" style="border: 0px; font-weight: inherit; font-size: 14px; margin: 10px 10px 10px 0px;" width="451" />&nbsp;&nbsp;</P></BODY></HTML> Fri, 25 Sep 2020 17:21:59 GMT https://community.esri.com/t5/arcgis-pro-questions/channel-migration-mapping/m-p/621543#M27636 LambertNgenzi1 2020-09-25T17:21:59Z Re: Channel Migration mapping https://community.esri.com/t5/arcgis-pro-questions/channel-migration-mapping/m-p/1229396#M61985 <P>Hi, I don't know if you got an answer to this, but I'm interested in this too. &nbsp;I think an important step is to extract the centerlines from the different years.</P> Tue, 08 Nov 2022 00:31:40 GMT https://community.esri.com/t5/arcgis-pro-questions/channel-migration-mapping/m-p/1229396#M61985 SusanaCrespo2 2022-11-08T00:31:40Z