【正文】
se the picture element actually is some neat arrangements colored (or black and white) the spot, if these is slowly enlarged, you can see center adds to one each one the picture element is imitating own color, these the picture element neatly arranges, has bee a BMP picture, and take bmp (rle, dib and so on) as the extension. BMP (BitmapFile) the graphic file is the graphic file form which Windows uses, moves all imagery processing software under the Windows environment all to support the BMP image document format. BMP: The Windows position chart may (as black and white use any color depth from as 24 colors) to save the single diffraction grating picture. The Windows position chart document format and other Microsoft the Windows procedure is patible. Its supporting documentation pression, also ill uses in the Web page. Looked from the overall that, the Windows position chart document format shorting has surpassed its merit. In order to guarantee the picture picture the quality, please use the PNG document, the JPEG document or the TIFF document. The BMP document is suitable in Windows the wallpaper. Merit: BMP supports 1 to 24 colors depths. The BMP form and the existing Windows procedure (an older procedure) widespread is in particular patible. Shorting: BMP does not support the pression, this can create the document to be extremely big. BMP document not Web browser support. The puter technology rapid development time, the picture document has the vital role one of as transmission information important methods. Each kind of picture form all has own characteristic and the application domain, each kind of picture document through the format conversion software realization mutual transformation, the user acts according to own demand choice appropriate form to achieve the best use effect. The development and the popularization which along with puter software, the hardware technology changes with each new day, the humanity already entered a high speed development the information time, the humanity probably has 80% information to e from the picture, in the scientific research, the technical application the picture processing technology more and more to bee the essential method. Picture processing involves the domain has the military application, medicine diagnosis, industry monitoring, the object automatic minute examines recognition system and so on, these systems need the puter to provide the realtime tendency all, the effect lifelike picture.