Thanks you! I self use terrain caching lot of times (in my small game projects) and think about it like single and fastest solution, but now i have easy and faster solution. And one more case i using this(my optimization, and now plan to add new optimization) with canvas html5 render, and some time ...

I don't known, it's bug or not.
But i don't remember this behavior earlier.

At first try some years ago, i difficult to complete some missions by simple belts excess and need exchange some belts with underground.
Toady i found, when start level and go back, available items reset to initial.

1) log https://pastebin.com/mjdcxmLz

2) I tested with low res and small texture atlas, but only texture compression enabled cause crash...

3) 0.16.2 work fine.

4) Commonly play with max-texture-size=4096; video-memory-usage=high, now just disable compression, and everything work fine

You have to enable Pollution now in mapview. Mapview with Pollution Button Thanks, i already found it. Just after-work-mind-vegitation in progress (= About report: I have suspection that hangs caused by bluprint bug and just delayed since use after free memory damage. (map crashes after i create bl...

0.001 2017-04-24 21:21:39; Factorio 0.15.0 (build 29027, win64, steam) 0.001 Operating system: Windows 7 Service Pack 1 0.001 Program arguments: "G:\games\SteamLibrary\steamapps\common\Factorio\bin\x64\Factorio.exe" 0.001 Read data path: G:/games/SteamLibrary/steamapps/common/Factorio/dat...

log

Game hangs while trying to see pollution on map.

1) alt alt alt
2) max zoom (view like game camera)
3) alt alt

periodically...

P.S.: i don't see pollution, is bug or feature? XD

Game hangs after entering in book with book in hand some times and try delete book as final action.

After reloading the autosave bug not reproduced...

It's view like memory corruption with deleting book while it's in hands...