jeARGH (je Arbitary Resource Gathering Helper) is an addon for Just Enough Resources, which allows to run profiling on your single-player world for gathering Ores distribution data and drops.

All this mod does is creating a world-gen.json file in your config folder for JER to attach.

Quick Usage:

Create new single-player world with JEI, JER and JEARGH mods installed.

Run command /jeargh start 10 to start profiling process

Wait

Reload your world for changes to take effect.

Detailed description:

/jeargh start <chunk_radius> [merge]

Command starts to profile every found dimension in a radius of <chunk_radius> chunks around command sender (from lowest coordinate to highest) and accumulates found ores (blocks which has ORES tag) heights and amounts. Mod DOES GENERATE your world! So, don't run it on your normal survival Save Game.

For every found block, mod simulates harvesting for 1000 times to get drop items and amounts.

Use [merge] flag to run the profiler on a single (command sender) dimension and around command sender coordinates.

/jeargh abort

If you're tired of waiting and want to change input parameters, run this command to abort the process.

Mod creates a backup of world-gen.json if it founds one.

Limitations:

Mod doesn't take into account ore drops produced by mining with tools enchanted with Fortune

Mod only profiles ORES

Mod doesn't support dimension blacklisting/whitelisting

Mod can perform it's thing for a loooooooong time depending on chunk_radius specified. I recommend setting it to 25 and wait for a several hours for it to complete.

Mod is FORGE ONLY