Path: utzoo!utgpu!news-server.csri.toronto.edu!mailrus!cs.utexas.edu!sdd.hp.com!uakari.primate.wisc.edu!zaphod.mps.ohio-state.edu!swrinde!ucsd!ucbvax!ucdavis!csusac!csuchico.edu!ekrimen From: ekrimen@csuchico.edu (Ed Krimen) Newsgroups: comp.sys.atari.st Subject: Re: Purchase decision, to STe or not? Message-ID: <1990Sep26.073626.9347@ecst.csuchico.edu> Date: 26 Sep 90 07:36:26 GMT References: <1990Sep24.054555.624@ecst.csuchico.edu> <1990Sep25.021056.1425@nmt.edu> <1990Sep25.182510.6246@ecst.csuchico.edu> <1990Sep26.050938.3441@nmt.edu> Sender: news@ecst.csuchico.edu (USENET) Reply-To: ekrimen@cscihp.UUCP (Ed Krimen) Organization: California State University, Chico Lines: 16 jcksnsr@nmt.edu (Jeffrey C. King) writes: - In order to use more than 16 colors without a color map and funny - routines (Spectrum!) you have to have more than 3 bit planes.. - (2^3)= 16 thus only sixteen colors... but with four bit planes (2^4) - one would have 32 colors. One side effect would be larger files... - As simple way to check the converted files is to check files size if - they are about 32K then they probably only have 16 colors (more - obtained by clever dithering).. but if they are noticably larger - they probably include more bit planes... (This is a side effect of - the .NEO format.. it is essentially pallete data followed by a - straight screen dump.... obviously this wouldn't work to tell with - a compressed file (TNY or PC?). The "4096-color-compatible" NEO pics I have are 32768 bytes long. They have supposedly 32 colors.