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Masking layers to provide statistics information on areas of a river catchment

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3 weeks ago
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DanielMarshall-Dunkley
New Contributor

Hello,

 

I am in the process of creating an Experience to allow for my colleagues to find data for particular operational or waterbody catchments with one or two clicks. This will be both for our own data that we have collected and store, as well as data created by other organisations, for example publicly available habitat data, and it will be used to help make decisions on future projects and work.

 

Currently I am using two filters. One that searches by operational catchments, and another that searches by water body catchments. The operational catchment filter also filters the selectable water body catchments by operational catchment. For these to work, there must be fields within the data attributes corresponding to operational and water body catchment. As such, for much of the data I am currently using, I have had to download it and overlay the catchment information. As a result, I need to then host this on AGOL. However, as an organisation we have a limited number of credits, so it will get to the point where we are unable to host anymore of this data, especially considering datasets that cover our entire area, are large and use up a considerable amount of our credit allowance. If data hosted by other organisations has the catchment information included, then we do not need to host it on our AGOL account.

 

An alternative way of filtering data that I am using for some datasets, is to create web maps and use the catchment data to mask. By using the filters I’ve mentioned above, I can then change what extent of the data is being masked. This works for those datasets that can be analysed visually and don’t require stats to be pulled from them, but this isn’t the case for the majority of data I want to include within this Experience.

 

In the case of the aforementioned habitat data, what I want is to be able to calculate the area of each habitat within each catchment. This is obviously doable with data I have overlayed the catchment data onto, and am hosting myself, but is there a way that using the masking method above can do the same?

 

Apologies for the large amount of text, but any help would be much appreciated.


Thanks.

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TianWen
Esri Contributor

Thank you for the post! Would it be possible to share a sample app along with a screen recording or screenshots to help illustrate the issue more clearly? This would greatly assist us in understanding the case.

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