caviarchen / fog-of-world-data-parser Goto Github PK

Problem:

Sometime, http_server couldn't fetch the png files

Expected:

When browsing 127.0.0.1:8080/index.html, it should show OpenStreetMap and black path on it.

Problem detail:

Tool has generated index.html, xxxx.png successfully
But sometimes, png didn't show up. I only saw a blank OpenStreetMap
The python http_server show fetch xxx.png: error 404. But the png file is locate at same directory as index.html

Probability of this event:

50%

Env:

Windows 10
browser: chrome, firefox, edge didn't help
shift+f5 didn't help, need to reboot the PC

Solution:

Using a normal folder as output directory, instead of tmp_folder.
Then this issue didn't happen again.

I guess maybe there is a permission problem for Temp folder at Windows OS?

There is also an advantage to use a normal folder for output. The image can be cached. I've done that part.