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I have created a custom transformer for clipping using lastools.My input readers are LAS file and the polygon shape file.When I run the translation,the LAS data is read but my polygon reader is not initiated.Hence when running the command line tool,the polygon file is not loaded and I run into an error.I disabled the LAS reader to check if my shapefile reader is working fine.I get the same error this time but because the LAS is not loaded.(Obviously!) The point is that there is nothing wrong with the reader.
So,my question is how to ensure that both the readers are read at the same time when I run the translation so the my custom transformer can get both the input files for its command line argument?
Hi@sraapril,the second reader will be launched after the first reader has completed reading all features.It's fundamentals of FME.You will have to design the custom transformer presupposing that.
By the way,the Clipper transformer can be used to clip a pointcloud by polygons.Why not use it?
If you have 2 connections coming from one transformer,like a Creator,you can right click the connection and control the connection order.If you combine this with FeatureReaders you will get what you want.
Hi@sraapril,
If you change the position Readers on Navigator?
Select the Polygon ->drag and dropabove the Las.
Thanks,
Danilo
Thank you!But,it doesn't work.
That was my question in the first place.Irrespective of the order,only the first one is being read.How can I ensure both are read at the same time before they reach the custom transformer?
Regards,
Sravanthi
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