From d1b18fa70d14dec3959b1bb22bfe0a834244d30a Mon Sep 17 00:00:00 2001
From: Thiago Franco de Moraes <totonixsame@gmail.com>
Date: Wed, 23 Jun 2021 15:16:23 -0300
Subject: [PATCH] Showing an warning message if there is not any voxel selected when creating a surface from mask (FIX: #277)

---
 invesalius/data/surface.py | 3 +++
 1 file changed, 3 insertions(+), 0 deletions(-)

diff --git a/invesalius/data/surface.py b/invesalius/data/surface.py
index 72459a2..f9688a8 100644
--- a/invesalius/data/surface.py
+++ b/invesalius/data/surface.py
@@ -609,6 +609,9 @@ class SurfaceManager():
         """
         Create surface actor, save into project and send it to viewer.
         """
+        if mask.matrix.max() < 127:
+            wx.MessageBox(_("It's not possible to create a surface because there is not any voxel selected on mask"), _("Create surface warning"))
+            return
         t_init = time.time()
         matrix = slice_.matrix
         filename_img = slice_.matrix_filename
--
libgit2 0.21.2