[pdal] How to read a text file

[Howard Butler]

> On Mar 23, 2017, at 7:23 PM, Michael Rosen <michael.rosen at gmail.com> wrote:
> 
> Suppose I wanted to pass a text file into PDAL:
> 
> No header line, just a list of known fields.  

You need to add a header line at the moment. It would be straightforward to make a patch to add a header override option to the TextWriter.cpp code, but that hasn't been done so far. 

Howard