That's quite possible! Though after staring at thousands of these across many application domains, I do think the space-filling curves perform legitimately better.
Another factor is that the large discontinuities in the zig-zag curve means that a contiguous area in the data is not always contiguous in the visualisation, which makes things like the region selection I do for https://binvis.io impossible.
Another factor is that the large discontinuities in the zig-zag curve means that a contiguous area in the data is not always contiguous in the visualisation, which makes things like the region selection I do for https://binvis.io impossible.