From f3feef3e6338b23f8b6dbe5bea3a67f55fc073b7 Mon Sep 17 00:00:00 2001
From: Christophe Geuzaine <cgeuzaine@ulg.ac.be>
Date: Thu, 5 Feb 2015 09:12:33 +0000
Subject: [PATCH] better blending of background image
---
Graphics/drawContext.cpp | 2 +-
tutorial/t5.geo | 6 ++++++
2 files changed, 7 insertions(+), 1 deletion(-)
diff --git a/Graphics/drawContext.cpp b/Graphics/drawContext.cpp
index d0d53cad1a..2b950e203f 100644
--- a/Graphics/drawContext.cpp
+++ b/Graphics/drawContext.cpp
@@ -481,8 +481,8 @@ void drawContext::drawBackgroundImage(bool threeD)
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glEnable(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D, _bgImageTexture);
+ glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
glBegin(GL_QUADS);
- glColor4ubv((GLubyte *) & CTX::instance()->color.bg);
if(threeD){
glTexCoord2f(1.0f, 1.0f); glVertex2d(x+w, y);
glTexCoord2f(1.0f, 0.0f); glVertex2d(x+w, y+h);
diff --git a/tutorial/t5.geo b/tutorial/t5.geo
index d10f08ae06..59069164f8 100644
--- a/tutorial/t5.geo
+++ b/tutorial/t5.geo
@@ -158,3 +158,9 @@ Volume(186) = {theloops[]} ;
// with numbers 1 to 5 in the `For' loop):
Physical Volume (10) = 186 ;
+
+// We could make only part of the model visible to only mesh this subset:
+//
+// Hide "*";
+// Recursive Show { Volume{129}; }
+// Mesh.MeshOnlyVisible=1;
--
GitLab