From 3d67800609dccead9f55c5d29cde34b48027b8ff Mon Sep 17 00:00:00 2001
From: Hugo Ledoux <h.ledoux@tudelft.nl>
Date: Wed, 13 Mar 2024 17:32:51 +0100
Subject: [PATCH] Add function to update the z-value of a vertex

---
 src/lib.rs | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/src/lib.rs b/src/lib.rs
index f996f47..e221d37 100755
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1750,6 +1750,20 @@ impl Triangulation {
         }
     }
 
+    /// Set/update the z-value for a given vertex
+    pub fn set_vertex_z_value(&mut self, vi: usize, z: f64) -> Result<bool, StartinError> {
+        if vi == 0 {
+            return Ok(false);
+        }
+        match self.is_vertex_removed(vi) {
+            Err(why) => Err(why),
+            Ok(_b) => {
+                self.stars[vi].pt[2] = z;
+                Ok(true)
+            }
+        }
+    }
+
     pub fn has_garbage(&self) -> bool {
         self.number_of_removed_vertices() > 0
     }