contract           35 graph/JavaPopWeb/src/jp/ac/nime/computer/grpsimulator/ImgPr/MeasureScale.java 			contract(0, nOp, imgSrc, imgDst);
contract           41 graph/JavaPopWeb/src/jp/ac/nime/computer/grpsimulator/ImgPr/MeasureScale.java 			contract(1, nOp, imgSrc, imgDst);