[vtkusers] Are blank lines allowed in the header of Legacy format VTK files?

Cory Quammen cory.quammen at kitware.com
Thu Oct 13 10:29:29 EDT 2016

Hi Ilene,

Looking at vtkDataReader::ReadHeader(), I see nothing that indicates any
blank lines are tolerated by the reader. I suggest having your code skip
blank lines to deal with any files you may encounter that may have blank


On Tue, Oct 11, 2016 at 3:40 PM, drilene <Ilene.Cohen at bsci.com> wrote:

> I had implemented my code to only read the first 4 lines of the Leagcy file
> to get the: 1) version and identifier, 2) header, 3) file format and 4)
> dataset type. One of our test engineers found a file on the web that had a
> blank line between 3) and 4). This file failed in my code but loads in
> Paraview. So, I tried putting blank lines in the header and it appears that
> Paraview tolerates some blank lines such as 2 lines between 2) and 3) but
> no
> lines between 1) and 2). Is there an accepted standard regarding blank
> lines?
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Cory Quammen
Staff R&D Engineer
Kitware, Inc.
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