can someone provide an arcgis pro modelbuilder example of collect values and append?

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07-22-2019 04:28 AM
AurelieShapiro
Occasional Contributor II

I am trying to append many individual feature classes in a geodatabase into one singe feature class in a different geodatabase using modelbuilder.

I created a collect values model, and inserted it into an append model (you just drag and drop?? in arcMap you could add sub-models), the collect values just lands in the model, but I cannot attach it to either append or merge tool - the input list is not recognized. And since arcGIS pro does not have the connector tool you can't connect one output to tool. 

I have also tried iterate datasets, but have the same problem. I am following what is described in the help - collect values into a list and then append (https://pro.arcgis.com/en/pro-app/tool-reference/modelbuilder-toolbox/collect-values.htm) Can anyone help?

Another problem though is that my output geodatabase does not have the proper extent of all my different feature classes (i.e. when I do it by hand using the Append tool, it only takes the spatial extent of the first item in my append list). Anyone know how to fix this? How do you combine feature classes that are in "tiles" into one large feature class?

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JohannesBierer
Regular Contributor

Du you really need the collect value step? Wouldn't it be enough to iterate feature classes and then append?

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JohannesBierer
Regular Contributor

Du you really need the collect value step? Wouldn't it be enough to iterate feature classes and then append?

AurelieShapiro
Occasional Contributor II

That is also a great question - why does the arcGIS help say to collect values? When I just put everything into merge or append it does not take the entire spatial extent of all features (although I specify the large extent when I create the geodatabase to receive the append features...)

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JohannesBierer
Regular Contributor

Don't know. I have used it without and it worked for me?

JohannesBierer
Regular Contributor

To the spatial extent question I have no idea. The only thing is maybe to use the recalculate-feature-class-extent tool?

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