World Preview NH

A Minecraft 1.7.10 mod for previewing world biomes before creation. This is a backport of World Preview to 1.7.10 , with structure preview removed.

Features

• Biome Map Preview — Full-screen interactive biome map generated from the world seed before world creation
• Heightmap View — Toggle a colorized heightmap overlay
• Y-Layer Intersection — View block layers at specific Y levels
• Cave Mode — Toggle cave biome display
• Zoom & Pan — Scroll to zoom (1–2048 blocks/pixel), drag to pan across the map
• Coordinate Goto — Jump to specific X/Z coordinates
• Biome Search — Filter and highlight biomes by name
• Seed Library — Save and load up to 50 favorite seeds
• In-Game Preview — Open the preview from the single-player world selection screen
• Mod Compatibility — Works with modded world generators including Biomes O' Plenty and Realistic World Gen (RWG/RTG)

Usage

From Create World Screen

A small preview button (16×16 icon) appears next to the World Type button on the Create World screen. Clicking it opens the full biome preview using the current seed and world settings.

From Single-Player Menu

A "World Preview" button is available on the world selection screen to preview existing worlds.

Preview Controls

| Control | Action |
|------------------|-------------------------------------------------------|
| Drag | Pan the map |
| Scroll | Zoom in/out |
| Top-left toolbar | Settings, toggle heightmap, cave mode, Y-intersection |
| Seeds tab | Save, load, or delete seeds |