OpenLB – Open Source Lattice Boltzmann Code › Forums › on OpenLB › Bug Reports › Maximum size of a cuboid for writing to .vti › Re: Maximum size of a cuboid for writing to .vti February 25, 2018 at 7:31 pm #2787 Markus MohrhardParticipant Thanks for the report. I have fixed this in our master branch through Code: std::unique_ptr<float[]> bufferFloat(new float[fullSize]); which handles deleting the allocated memory as well. The same approach was already implemented in the 3D case.