fix a bug in calculating the optimal colour temp

antond-weta · antond-weta · commit 743547a18a97 · 2025-08-15T08:42:36.000+12:00
Signed-off-by: Anton Dukhovnikov &lt;antond@wetafx.co.nz&gt;
diff --git a/src/rawtoaces_idt/rta.cpp b/src/rawtoaces_idt/rta.cpp
@@ -1628,7 +1628,7 @@ DNGIdt::findXYZtoCameraMtx( const vector<double> &neutralRGB ) const
         lerror =
             mir - ccttoMired( XYZToColorTemperature( mulVector(
                       invertV( XYZtoCameraWeightedMatrix( mir, mir1, mir2 ) ),
-                      _metadata.neutralRGB ) ) );
+                      neutralRGB ) ) );
 
         if ( std::fabs( lerror - 0.0 ) <= 1e-09 )
         {

Original file line number	Diff line number	Diff line change
`@@ -1628,7 +1628,7 @@ DNGIdt::findXYZtoCameraMtx( const vector<double> &neutralRGB ) const`
`1628`	`1628`	`lerror =`
`1629`	`1629`	`mir - ccttoMired( XYZToColorTemperature( mulVector(`
`1630`	`1630`	`invertV( XYZtoCameraWeightedMatrix( mir, mir1, mir2 ) ),`
`1631`		`- _metadata.neutralRGB ) ) );`
	`1631`	`+ neutralRGB ) ) );`
`1632`	`1632`
`1633`	`1633`	`if ( std::fabs( lerror - 0.0 ) <= 1e-09 )`
`1634`	`1634`	`{`