文件包括：

rgbquadtree/avgofmatblks.m,rgbquadtree/converttoclass.m,rgbquadtree/drawquadblocks.m,rgbquadtree/fillrect_ulwh.m,rgbquadtree/ispowerof2.m,rgbquadtree/main.m,rgbquadtree/padrgbtomakepowof2.m,rgbquadtree/padtomakepowof2.m,rgbquadtree/qt3ddecom.p,rgbquadtree/qtreedecode.m,rgbquadtree/qtreergbdecode.m,rgbquadtree/qtrgbsplit.m,rgbquadtree/rafting.png,rgbquadtree/readme_rgbquadtree.txt,rgbquadtree/splitinto4.m