From 7edca081bfd4b9758325e7270317d23cd4a97929 Mon Sep 17 00:00:00 2001
From: Balleux Benjamin <benjamin.balleux@methodinthemadness.eu>
Date: Tue, 25 Apr 2017 10:13:18 +0200
Subject: [PATCH] Raise an error when the option --use-element-hierarchy is
 used with a file different of .dae

---
 src/ifcconvert/IfcConvert.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/ifcconvert/IfcConvert.cpp b/src/ifcconvert/IfcConvert.cpp
index f6f45bb143..ca0226852c 100644
--- a/src/ifcconvert/IfcConvert.cpp
+++ b/src/ifcconvert/IfcConvert.cpp
@@ -508,6 +508,14 @@ int main(int argc, char** argv)
 		return EXIT_FAILURE;
 	}
 
+	if (serializer->settings().get(SerializerSettings::USE_ELEMENT_HIERARCHY) && output_extension != ".dae")
+	{
+		Logger::Error("--user-element-hierarchy can be used only with .dae output.");
+		write_log();
+		print_usage();
+		return EXIT_FAILURE;
+	}
+
     const bool is_tesselated = serializer->isTesselated(); // isTesselated() doesn't change at run-time
 	if (!is_tesselated) {
 		if (weld_vertices) {