From 0443cbfff217c1e1be4a5615da7d94518460235a Mon Sep 17 00:00:00 2001
From: Victor Zhu <cx.zhu@mstglobal.com>
Date: Wed, 9 Oct 2019 18:36:46 +1100
Subject: [PATCH] Add new wrap api: Distance3D

---
 ogr.go | 9 +++++++++
 1 file changed, 9 insertions(+)
 mode change 100644 => 100755 ogr.go

diff --git a/ogr.go b/ogr.go
old mode 100644
new mode 100755
index 469f53f..0c7713e
--- a/ogr.go
+++ b/ogr.go
@@ -570,6 +570,15 @@ func (geom Geometry) Distance(other Geometry) float64 {
     return float64(dist)
 }
 
+// Compute 3D distance between thie geometry and the other.
+// This method is built on the SFCGAL library,
+// check it for the definition of the geometry operation.
+// If OGR is built without the SFCGAL library, this method will always return -1.0
+func (geom Geometry) Distance3D(other Geometry) float64 {
+    dist := C.OGR_G_Distance3D(geom.cval, other.cval)
+    return float64(dist)
+}
+
 // Compute length of geometry
 func (geom Geometry) Length() float64 {
     length := C.OGR_G_Length(geom.cval)