--- a/pkg/octree/loader.go	Sat Sep 22 21:58:15 2018 +0200
+++ b/pkg/octree/loader.go	Sat Sep 22 22:14:31 2018 +0200
@@ -19,11 +19,11 @@
 
 	log.Printf("EPSG: %d\n", tree.EPSG)
 
-	if err := tree.Min.read(r); err != nil {
+	if err := tree.Min.Read(r); err != nil {
 		return nil, err
 	}
 
-	if err := tree.Max.read(r); err != nil {
+	if err := tree.Max.Read(r); err != nil {
 		return nil, err
 	}
 
@@ -42,7 +42,7 @@
 	tree.vertices = vertices
 
 	for i := range vertices {
-		if err := vertices[i].read(r); err != nil {
+		if err := vertices[i].Read(r); err != nil {
 			return nil, err
 		}
 	}