I am using ArcGIS 10.8.2. I built a model but have a problem. I want to project my layer with picking projection from another layer in model. Any good idea for that?

  • What is the problem? Are you getting any error doing the projection?
    – Padmanabha
    Commented Dec 22, 2023 at 17:57
  • i want to use project tool and i want to take projection from an other layer. i do not konw how to do. @Padmanabha tried to explain with this: imgur.com/a/uNLg8ol
    – Arda
    Commented Dec 24, 2023 at 20:59

1 Answer 1


You cannot feed into the Project tool's out_coor_system parameter a layer, it is expecting a coordinate system, this is clearly indicated in the Syntax section in the help file.

I think the Project tool is one of those quirky tools that must have all it's parameters set before it can validate, so you can't set up a model with a place holder for that parameter, it needs to be defined before you can validate it.

Assuming the projection you want to project into never changes then you can import it from the layer.

Below I import a projection from a layer that is Equidistant Conic to set the Output coordinate system parameter in the Project tool.

Importing a projection

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