Introdução ao Deep Learning usando Map Viewer Classic

Question

Este vídeo irá apresentar as ferramentas de deep learning disponíveis no Map Viewer Classic! Veremos como usar os pacotes de deep learning disponíveis através do Living Atlas e como alcançar resultados mais desejáveis.<\/P> Este vídeo foi gravado usando o ArcGIS Online Map Viewer Classic e o Living Atlas em 6 de janeiro de 2022, utilizando a extensão ArcGIS Image para ArcGIS Online.<\/P> Para um treinamento adicional em deep learning, confira o curso Imagery Analysis in ArcGIS Pro da Esri: https:\/\/bit.ly\/3rK89MR<\/A>.<\/P> https:\/\/players.brightcove.net\/6161463677001\/default_default\/index.html?videoId=6294197062001

TimothyKinlaw · Answer

Hey Kevin, I reached out to contacts and confirmed that this is a bug. I will log this bug so it is resolved.

When creating the layer using the ArcGIS Online interface, the layer's extent remains at the spatial reference's maximum, rather than adopting the spatial extent of the feature(s). If you publish the layer from ArcGIS Pro, the layer's extent does reflect the maximum of the feature(s). This difference of defining a layer's extent causes this issue when specifying processing extent with a layer in Map Viewer Classic's analysis tools.

Thank you for raising this concern!

Tim

KevinMayall_COH · Answer

Yup, that's what I did as per the video.  It seems that when you create a new feature layer in AGOL, the map extent gets set to the world.  I used Map Viewer Classic to digitize a polygon around a small US town.  When I use that as the processing extent for the analysis, it quotes 300,000+ credits (I just replicated again now).  Also, after digitizing the polygon, if you Zoom to Layer, the map zooms to the world - confirms that the extent isn't set how we want it.

TimothyKinlaw · Answer

Well that would be quite expensive. I replicated that cost of 344,000~ credits by removing any processing extent restriction.

My bounding box layer was created in ArcGIS Pro and then published, but that should not cause that issue.

When using these tools in Map Viewer Classic, there are the Analysis Environments accessible from the cog icon in the top right of the analysis pane. This is where you can specify the processing extent using the polygon layer. Make sure this is set to your polygon layer. When you use the processing extent option, the "Use current map extent" will uncheck itself, because you changed how the "extent" is being defined.