mhalver (35) [Avatar] Offline
In table 4.3 (page 68 in the current pdf version) for the special filename "++", the book says

"Generate isosamples equally spaced x and y values..."

There are actually samples points generated along the x axis and isosamples points generated along the y axis for a total of samples*isosamples points in the generated grid.
philipp.janert (286) [Avatar] Offline
Thanks for the report, this has been fixed.