What is the best way to specify the output attribute name on a custom transformer? I can add a paramter , but the logical transformer (AttributeCreator) let's me link the value of an attribute easily enough, but not it's name.
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If I understand correctly you want to link an Attribute within a Customtransformer (for instance MyCustomTransformer) to an AttributeName?
Can the VariableSetter and VariableRetriever help you?
What I would like is to specify the new attribute name that the custom transformer will spit out.
In this particular case the custom transformer takes an attribute with a coordinatate in the form of CDD(D)MMmSmSmSmS and returns decimal degrees.
I would like to use it twice in the main workspace and specify the name of the attribute that will contain the decimal degree value.
I already have it working to select which attribute to process, now I just need the other half.
I know I can do the cleanup in the main workspace, but then I would have to pair the transformers everytime I used the custom transformer, which sort of defeats the purpose of wrapping all the functionality into one custom transformer.
Yes, use the AttributeRenamer.
1) create a text parameter to define the attribute name
2) create an attribute ("test" for example) with the correct value
3) In the attributeRenamer rename from test to $(aaa) where aaa is the name of the parameter created in step 1
Hi Mark,
That worked for FME 2012, but it is slightly broken in FME2013. The transformer shows the parameter reference $(a) on the transformer instead of resolving it. However the inspector shows the correct attribute when the workspace in run.