GeometryInfo geometryInfo = new GeometryInfo(GeometryInfo.POLYGON_ARRAY);
geometryInfo.setCoordinates(data);
geometryInfo.setStripCounts(stripCount);
Triangulator triangulator = new Triangulator();
triangulator.triangulate(geometryInfo);
geometryInfo.recomputeIndices();
NormalGenerator normalGenerator = new NormalGenerator();
normalGenerator.generateNormals(geometryInfo);
geometryInfo.recomputeIndices();