I don't see the point of turning @SELECTED_COLOR into a reference and then back again. Why not simply do this:

### NOT NEEDED my $SELECTED_COLOR;
### NOT NEEDED $SELECTED_COLOR =\@SELECTED_COLOR;

glColor4f (@SELECTED_COLOR, $volume->color->[3]);

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In reply to Re^2: How to get string from array from module? by hippo
in thread How to get string from array from module? by Gilu

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