From d7d819329eb649c2b60402a8e694bc38ad3a85a1 Mon Sep 17 00:00:00 2001
From: Caleb Schilly <cwschilly@gmail.com>
Date: Thu, 16 May 2024 16:42:11 -0400
Subject: [PATCH] #422: add warning for when viz is enabled but vttv not found

---
 src/lbaf/Applications/LBAF_app.py | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/lbaf/Applications/LBAF_app.py b/src/lbaf/Applications/LBAF_app.py
index ed143a5f2..d1613af03 100644
--- a/src/lbaf/Applications/LBAF_app.py
+++ b/src/lbaf/Applications/LBAF_app.py
@@ -118,6 +118,11 @@ def init_parameters(self, config: dict, base_dir: str):
 
         # Parse visualizer parameters when available
         if (viz := config.get("visualization")) is not None:
+
+            # Ensure that vttv module was found
+            if not using_vttv:
+                self.__logger.warning("Visualization enabled but vttv not found. No visualization will be generated.")
+
             # Retrieve mandatory visualization parameters
             try:
                 self.grid_size = []