public void setTrisPerPixel(float trisPerPixel) {
        this.trisPerPixel = trisPerPixel;
    }
Sets the triangles per pixel value. The
<code>LodControl</code> will use this value as an error metric to
determine which LOD level to use based on the geometry's area on the
screen.

@param trisPerPixel triangles per pixel
jme3-core/src/main/java/com/jme3/scene/control/LodControl.java