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A workspace author may want to give users the ability to choose thematic groups which are made up of multiple layers.This kind of workspace reads multiple feature types for each group chosen.For example,the author may want a user to choose the themeTransportationwhich results in the workspace reading the feature typesRailandRoad,or the themeWatermay representstreams,rivers and lakes.This approach is particularly useful for FME Server where users often want to select data for download by thematic groups.
In FME 2012 or later the parameter type Choice with Alias (Multiple ) allows workspace authors to define groups by having multiple aliases refer to the same value.For example choices can be defined like this:
This method is shown in the attached workspaceGroupsMethod2.fmwt.
Published Parameter use within a Startup or Shutdown Script
Setting up a workspace to deploy in production,staging and local
Extracting a schema subset for dynamic schemas
Passing a Published Parameter to a Workspace from the Command Line
Concatenating or Combining Published Parameters
Introduction to Published Parameters
Pass a List of Tables or Layers to an FME Reader using Python Scripted Parameters
Can I pass a variable to FME to replace a fixed value within a workspace
Reduce the Number of Transformers in a Workspace with the AttributeCreator
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