
JourneyMap Ore Heatmap
Visualize ore concentrations with color-coded heatmap overlays on JourneyMap. Automatically scans chunks and highlights ore-rich areas.
Screenshots

About this Mod
JourneyMap Ore Heatmap
Adds ore density heatmap overlays to JourneyMap. See at a glance where ores are concentrated across your world!

Features
- Heatmap visualization - Chunks colored by ore density: light yellow (low) → orange (medium) → dark red (high)
- Automatic scanning - Chunks scanned in the background when loaded, no performance impact
- Persistent cache - Ore data saved per-world and persists between sessions
- Easy toggle - Press O or click the button in JourneyMap's fullscreen map
- Mod support - Uses
#c:orestag to automatically track ores from vanilla and modded content
Usage
- Install JourneyMap and this mod
- Press O to toggle the heatmap overlay
- Explore your world - chunks are scanned automatically
- Check the map to find ore-rich areas!
Configuration
Customize in config/journeymap_ore_heatmap-client.toml:
- Overlay opacity
- Update interval
- Custom ore tracking (tags or specific blocks)
Available Versions
How to Install JourneyMap Ore Heatmap on Your Server
Order Server
Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).
Set neoforge Loader
In the panel under "Egg", select the neoforge loader and matching Minecraft version (1.21.1).
Install Mod
Open the mod browser in the dashboard and search for "JourneyMap Ore Heatmap". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.21.1
Server-side
✗ UnsupportedRecommended RAM
4 GB(min. 3 GB)Frequently Asked Questions
JourneyMap Ore Heatmap server crashes on startup – what to do?
Most common cause: wrong neoforge version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 3 GB RAM is allocated and the loader matches the mod version (1.21.1). You can switch loaders with one click in the panel.
Is JourneyMap Ore Heatmap compatible with neoforge?
JourneyMap Ore Heatmap officially supports neoforge for Minecraft 1.21.1. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with JourneyMap Ore Heatmap – how to optimize performance?
Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if JourneyMap Ore Heatmap consumes the most tick time. Common fixes: reduce server view-distance to 8-10, install "performant" or "starlight" as supplementary mods on Forge. With Mado Hosting, your server runs on NVMe SSDs with dedicated CPU cores for minimal latency.
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