Cross lines in contour

ROOT
1

Hi,
I draw a TGraph2D object with option: contz plus cont3same (the plot is posted below). However, the contours look very weird, for example, some lines cross the whole region. Anyone could explain why? and how to avoid such an issue.

Cheers,
Zhiyi.

derived_length_contour_contz+cont3.png796×572 28.9 KB

2

Do you have a macro reproducing this problem ?

3

Yes, the macro and its input histogram are attached.

derived_length.root (41.9 KB)
plot_topo_contour.C (2.86 KB)

4

I modified your macro.

can.gif796×572 23.8 KB


plot_topo_contour.C (2.19 KB)