minor simplification of ScatterMatrix
minor simplification of ScatterMatrix

dagophil/vigra,cha007/vigra,capturePointer/vigra,martinsch/vigra,cha007/vigra,kod3r/vigra,dstoe/vigra,psteinb/vigra,mmuellner/vigra,stuarteberg/vigra,kod3r/vigra,martinsch/vigra,mmuellner/vigra,kod3r/vigra,ThomasWalter/vigra,dstoe/vigra,cha007/vigra,dagophil/vigra,DaveRichmond-/vigra,cha007/vigra,timoMa/vigra,kod3r/vigra,kod3r/vigra,DaveRichmond-/vigra,ThomasWalter/vigra,ThomasWalter/vigra,mmuellner/vigra,DaveRichmond-/vigra,martinsch/vigra,hmeine/vigra,dagophil/vigra,dagophil/vigra,stuarteberg/vigra,dstoe/vigra,capturePointer/vigra,DaveRichmond-/vigra,DaveRichmond-/vigra,ThomasWalter/vigra,hmeine/vigra,cha007/vigra,dstoe/vigra,timoMa/vigra,hmeine/vigra,psteinb/vigra,DaveRichmond-/vigra,xiwei-zhang/vigra,xiwei-zhang/vigra,capturePointer/vigra,xiwei-zhang/vigra,dstoe/vigra,cha007/vigra,funkey/vigra,timoMa/vigra,funkey/vigra,martinsch/vigra,funkey/vigra,xiwei-zhang/vigra,funkey/vigra,timoMa/vigra,ThomasWalter/vigra,stuarteberg/vigra,hmeine/vigra,psteinb/vigra,martinsch/vigra,psteinb/vigra,hmeine/vigra,xiwei-zhang/vigra,hmeine/vigra,capturePointer/vigra,timoMa/vigra,martinsch/vigra,funkey/vigra,ThomasWalter/vigra,dstoe/vigra,dagophil/vigra,dagophil/vigra,stuarteberg/vigra,funkey/vigra,mmuellner/vigra,cha007/vigra,psteinb/vigra,DaveRichmond-/vigra,psteinb/vigra,funkey/vigra,capturePointer/vigra,stuarteberg/vigra,capturePointer/vigra,mmuellner/vigra,stuarteberg/vigra,capturePointer/vigra,dagophil/vigra,dstoe/vigra,kod3r/vigra,psteinb/vigra,xiwei-zhang/vigra,hmeine/vigra,xiwei-zhang/vigra,timoMa/vigra,ThomasWalter/vigra,mmuellner/vigra,timoMa/vigra,mmuellner/vigra,kod3r/vigra,stuarteberg/vigra