var fs = require('fs');
var Schematic = require('minecraft-schematic');
 
var data = fs.readFileSync('./myawesomehouse.schematic');
 
Schematic.loadSchematic(data, function(error, build) {
        if (error) throw error;
    build.getWidth();    // 10
    build.getLength();   // 12
    build.getHeight();   // 8
    build.getBlockID(0, 0, 0); // 1
    build.getBlockMeta(0, 0, 0); // 0
    build.setBlockID(3, 3, 3, 5);
    build.setBlockMeta(3, 3, 3, 2);
});