[vtk-developers] 64 Bit Integer Data Array
Shawn Waldon
shawn.waldon at kitware.com
Mon Feb 23 18:39:32 EST 2015
Hello all,
What is the correct type of vtkDataArray to use for 64 bit integers? I
have a file format that I am reading in that has a 64 bit id and while
there seem to be several options, the right one isn't clear. I would like
something that just works across platforms and various builds of VTK
without #ifdefs throughout the code.
-vtkLongLongArray - long long is at least 64 bits, so I am using this one
right now. But it apparently doesn't exist in a vtk builds?
-vtk__Int64Array - this sounds more like what I want since I don't care
about the underlying datatype, but this also does not always exist.
-directly use the template data array with int64_t? Will other VTK code
handle this well since it is not one of the built-in data array types?
-vtkLongArray? - On some platforms long is a 64 bit type, but this is
platform dependant. However, it is what ParaView defaults to when loading
data defined as Int64 from a .vtu file on my machine.
Thank you,
Shawn
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