Hi Andrew,

Yes, the "Multiple Input" input type should do the trick. After that input parameter you'd normally have to merge all input files/layers into one. The "Merge vector layers" transformer seems to be one of the very few (or the only) algorithm that seems to accept multi-layer input.

Of course the "Merge vector layers" algorithm expects the layer to have the same structure, otherwise you'll have some really funny and unpredictable results.

Greetings and hope this helps,

Andreas

On 2021-07-15 09:46, Alexandre Neto wrote:

Hi Andrew,

You need to use the "multiple input" input type.

Best regards

Alexandre Neto
User support
www.qcooperative.net [1]

A quinta, 15/07/2021, 08:33, Andrew Hughes <ahhug...@gmail.com> escreveu:

Hi All,

Could any provide some advice as I am new to this and need some guidance please.

My model needs to consume data from MULTIPLE Esri rest layers. I can do this for on a 1:1 basis where I manually add 1 input vector layer per esri rest layer. But that's not great. This model is not easily reusable, as the number of layers always varies.

Q1: The merge processor takes in a multi-layers on a single input - but I can't see how this is done in a model. Can anyone please explain?

Q2: Is is possible for me to write a python processor that doesn't require any project layers as input, it can create the layers itself (in code/config) and feed them into the merge processor and output the single merged layer?

Thanks in advance
Andrew
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