Is the background color hardcoded currently ? Is it here: https://github.com/bigdataviewer/bigdataviewer-core/blob/f5226a680e61fcbccc329b1e92bb7d75edb320b7/src/main/java/bdv/viewer/InteractiveDisplayCanvas.java#L212 I'd ideally like to have some white background for my inverted projector. Cheers!