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I have created a string of feature types that I pass into the FeatureReader that looks like this:

 

"'D:\\LiDAR and Such\\Las\\CoV_4900E_54590N_BE.las':'D:\\LiDAR and Such\\Las\\CoV_4900E_54580N_BE.las'"

 

 

That is, each LAS file that I want the feature reader to read has the full path, enclosed in single quotes, and separated by a colon, as the documentation specifies. I have also tried it without the outer double quotes. In the Query Operation screen I select Query the feature types specified in the attribute below and select the correct attribute.

 

 

However, nothing goes through the LAS or Other ports. I have tried putting in a relative path to the LAS files, but nothing works. What am I doing wrong?

 

 

Thanks.
Okay, I think I got it. In the Input Parameters  for Dataset I entered the path to the LAS files and then "*.las".

 

 

In Query Operations, I selected "Query the feature types specified on the previous page".

 

 

In  Spatial Interaction, I selected "Select only features that satisfy "INITIATOR gometry" and then chose "INTERSECTS". The Feature Reader then reads only those polygons that interest the LAS files.

 

 

What still doesn't work is giving the filenames in an attribute and specifying "Query the feature types specified in the attribute below". Having specified the directory, I should then be able to give the FeatureReader "first.las:second.las:third.las", shouldn't I?

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