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Last active Tue, Jun, 14 2011 23:20:12
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Mar 5, 2011Ok, java won't let me change the ram usage beyond 1GB for -xmx and -xms.Posted in: Legacy Support
This is really frustrating >.<. My server has been down now for a few weeks because of the lack of support with large maps in the new server application.
Mar 4, 2011I think 1024 is the largest I can set it to, and that still errors. I don't know if it's trying to load all the inodes into memory first. In which case it's gonna fail no matter how much ram I give it.Posted in: Legacy Support
Map size: 30GB
Data size: 20GB
so the file headers alone take up 10GB.
Mar 4, 2011I have a really large minecraft map on my server, and when I upgraded to 1.3 it started scanning folders to do the conversion.Posted in: Legacy Support
After a while it will just return a heap error. I believe my world is just too big with how the current conversion is working.
Anybody know a good way around this. Disable the conversion on 1.3 or another program that can do the conversion?
Feb 4, 2011Amaterasu posted a message on How can I learn to make a map editor or generator?First off, your attitude needs some work, if you don't care about getting better you never will.Posted in: Minecraft Tools
Second. You need to learn a programing language. I'd recommend C for this type of work, but any language that supports file I/O on a byte level will work.
Third. You will need to open up and take a good hard look at the world save files with a hex editor. Then compare this information with the arrangement of the blocks on the world. Start recording every pattern you see, you'll start to see that there is a pattern between the way the bytes are ordered to the formation of the world.
Then you just need to start changing things, write a small program that will find any instance of 'Dirt' in the world file and change it to the instance of 'Diamond', It will be a pretty easy program to write in C once you find out how the blocks are arranged.
Then you just continue your journey, write an algorithm to generate a map, you'll be able to do whatever you want the world file now.
Jan 21, 2011It's very likely that you're talking about the biome terrain mod.Posted in: Minecraft Tools
Jan 21, 2011I've tried tectonicus, yea like you said it's java and I don't really trust java to work for very long.Posted in: Minecraft Tools
Also, tectonicus is not multithreaded, so it it was going to take about a week and a half to complete. Since I know almost every program in Java memory leaks, I doubt that the program will be able to continue to run for that long to complete the task. So I stopped it after a bit over 2 days and it was at about 25% completion.
Jan 20, 2011Hehe, that's the way it goes when you have players on the server, that when you make a 20000x20000 tile map, the first thing they try to do is get to tile 20001.Posted in: Minecraft Tools
So that's why I'm making the 50000x50000 map, still pretty reasonable map size, only 16GB, but now they will have plenty of open area to explore, and I should still be able to render maps.
Jan 19, 2011Hehe, sorry but right now it's a gigantic mess. Full of pigmap source code, a few mod binaries, and minecraft itself. I'd need to reorganize everything before I release anything. I'm pretty sure if I just gave you a zipped folder it probably wouldn't work on your computer. It has a lot of cygwin dependencies, and almost all the paths are hardcoded to where my Minecraft server is.Posted in: Minecraft Tools
Jan 19, 2011I've been looking for it, but I can't find the program seperately.Posted in: Minecraft Tools
I know that it is in the main Biome Terrain Mod thread, somewhere in the middle a person posts the guide on how to prerender a world. He includes the application as part of it.
Edit: If someone can mirror, and we can get all the permissions needed, I can hand someone a zip file with all the tools I've been using to prerender maps using the Biome Terrain Mod.
Jan 19, 2011Bah, almost there.Posted in: Minecraft Tools
The program seems to have create the google map directory pefectly. Only problem is that I have no experience setting up the google map manually, and it doesn't contain an index.htm file in my map folder.
If anyone knows how to take care of this, I'll be glad to post a guide on how to set up pigmap on windows, and see if I can find all the tools I've been using for this. I know a lot of people have been looking for that map prerenderer.
Edit: Derp, it was called pigmap-default not index. That problem's solved. I'll continue to dink around with it and let everyone see the results soon.
Edit: Does anyone know how to get spawn/signs/etc to show up in the google map created by pigmap?
Now that I know pigmap works for huge worlds, I'm gonna go a bit crazy and see what happens if I create a 50000x50000 world. That should be more space than anybody could hope to traverse, so I should never have to worry about the biome terrain mod being ported again.
I'm going to estimate that the world folder will be about 18GB and the google map will be about 35GB. I really hope this is successful
Here are some screenshots of what my world looks like:
Jan 19, 2011Rendering with pigmap right now, hope it works.Posted in: Minecraft Tools
If it works, you guys might have the best minecraft mapping software there is. You just need to port a windows binary and you'd be in business. Right now there isn't even a cygwin tutorial on how to install it. I eventually had to do a full install of everything offered with cygwin to get it working.
We're you doing your render off a SSD or something? I've been running it for at least an hour now on my 4gb map. I don't see how you'd get 30mins unless you weren't using a disk based drive.
Jan 17, 2011I've tried cartographer on a smaller but more "lengthy" map before. It created the image correctly, but no image editor I had except for Photoshop could open the file, the dimensions were just too large.Posted in: Minecraft Tools
If cartographer has a google map function in it, or someone knows of a handy tool to turn a giant image into a google map, that might work.
Cartographer does not work on large maps, I tried running it on my 4gb world and it would just start using up ram until it hit around 475MB then crash.
Jan 17, 2011I've created a "Wind Waker" style world using the biome terrain mod. It created a large ocean with small island chains scattered around. We all love the world, but then when beta came out, the biome terrain mod wouldn't work.Posted in: Minecraft Tools
Our solution was to use the land generator to prerender the map then just use the new server software unmodded to play on it. The problem was solved, but resulted in a gigantic world file that was 4GB in size. I used the prerenderer to create a 20000x20000 world.
Everything was fine and dandy till we decided to try and post a google map of our world on a web server. All the software we've tried won't work with the large world. c10t will run out of memory, and Overviewer 0.0.5 will just render a blank google map after it's done.
So we're wondering what the best software would be to render a large minecraft map would be. If possible, it would be nice if it was multithreaded so that it only takes a few days to complete the map.
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