Commit aa8931e5 authored by Sebastian Eichelbaum's avatar Sebastian Eichelbaum
Browse files

[FIX] - fixed numerical issue in navslices shader caused some kinds of "black...

[FIX] - fixed numerical issue in navslices shader caused some kinds of "black holes" in some data and rainbow colormaps for example
parent e2b935f7
...@@ -89,14 +89,14 @@ void lookupTex( inout vec4 col, in int type, in sampler3D tex, in float threshol ...@@ -89,14 +89,14 @@ void lookupTex( inout vec4 col, in int type, in sampler3D tex, in float threshol
col1 = clamp( texture3D( tex, v ).rgb, 0.0, 1.0 ); col1 = clamp( texture3D( tex, v ).rgb, 0.0, 1.0 );
if( ( col1.r + col1.g + col1.b ) / 3.0 - threshold <= 0.0 ) return; if( ( col1.r + col1.g + col1.b ) / 3.0 - threshold <= -0.0001 ) return;
if( cmap != 0 ) if( cmap != 0 )
{ {
if(threshold < 1.0) if(threshold < 1.0)
{ {
col1.r = ( col1.r - threshold ) / ( 1.0 - threshold ); col1.r = ( col1.r - threshold ) / ( 1.0 - threshold );
if( ( col1.r + col1.g + col1.b ) / 3.0 - threshold <= 0.0 ) return; if( ( col1.r + col1.g + col1.b ) / 3.0 - threshold <= -0.0001 ) return;
} }
colorMap( col1, col1.r, cmap ); colorMap( col1, col1.r, cmap );
...@@ -130,7 +130,7 @@ void main() ...@@ -130,7 +130,7 @@ void main()
else else
{ {
if ( !showComplete ) if ( !showComplete )
discard; discard;
} }
} }
......
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