A problem about 3D mesh generation


I have a question about tetgreconstruction. I give two files as follows, The difference between them is only the parameter hsize. However, test2.edp gives a wrong result. I’m confused about this.

Thank you in advance.
test1.edp (1.8 KB)
test2.edp (1.8 KB)

I sorry on my computer I get the same result,

What is wrong!

Thank you Prof. Hecht.

I get the following results, the first picture is the result of test1.edp, which is correct. But the second picture displays nothing, and it give nan in terminal.

The installed version in my computer is 4.7, the problem maybe this?

Thank you very much Prof. Hecht.

I install the latest version 4.11, the problem is solved.