home *** CD-ROM | disk | FTP | other *** search
- Newsgroups: comp.sys.amiga.graphics
- Path: sparky!uunet!mcsun!Germany.EU.net!news.uni-bielefeld.de!techfak.uni-bielefeld.de!markus
- From: markus@techfak.uni-bielefeld.de (Markus Illenseer)
- Subject: Re: ADpro v pbm+
- Sender: news@unibi.uni-bielefeld.de (News Administrator)
- Message-ID: <1992Aug27.190910.3623@unibi.uni-bielefeld.de>
- Date: Thu, 27 Aug 92 19:09:10 GMT
- References: <1992Aug27.121745.23826@city.cs>
- Nntp-Posting-Host: aidec504.techfak.uni-bielefeld.de
- Organization: Universitaet Bielefeld, Technische Fakultaet.
- Lines: 86
-
- In article <1992Aug27.121745.23826@city.cs>, lionel@cs.city.ac.uk (Lionel Tun) writes:
- |> I have heard that ADPro is very good - Amiga Shopper last month
- |> said it was arguably the greatest piece of software ever written
- |> for the Amiga. Fair enough. But I use pbm at work on Unix/Suns
- |> and I have now downloaded the Amiga release.
- |>
- |> The question is do I need ADPro if I use pbm? Which is better?
- |> OK so pbm is free and ADPro is megabucks, but it may be worth
- |> it if its so much better.
-
- This is quite easy to explain and it also seems to be a FAQ ...
-
- |>
- |> --
- |> Lionel Tun (lionel@cs.city.ac.uk)
- |> Vision Group, City University, London, EC1V 0HB. 071-477 8000 x 3889
-
- Pbmplus is free and available for most computer system, including Amiga.
- (Once again, it's avail via ftp on ftp.informatik.uni-oldenburg /pub/amiga )
- Therefore you have the warrantie, that your generated files (pictures)
- are somewhat compatible on every systeM.
- Pbmplus was intended to be a converting library.
- To convert n (Image) File Formats into each other you would need n*n converters.
- It's easier to create a File Format in the middle, which is lossless.
- PPM (Portable Pixmap) is a 24 Bit Format which is easy to read and write
- (ASCII or Numeric, small and readable header). Fron the n File Formats you
- write into PPM then into any other Format, so you just need 2n converters.
-
- Afterwards, Pbmplus was expanded, because the file format was so easy, with
- programms to work on the pictures, e.g. Filter Operation or Resizsing.
- In fact, it's almost a full image processing system.
-
- As it runs on the Shell, and has no GUI, it's limited to your imagination,
- no WYSIWYG possible. Although Shell-Scripting and Piping can be done of course.
-
- All Pbmplus Programms use heavy Stack Amount and RAM Amount, some Filers do
- need x*y*3 Bytes of RAM, which can easily exeed the Amount of RAM of your
- System. But only the needed RAM is allocated, the Amiga Version of Pbmplus
- can also reduce the Allocation when it works line-wise, this takes time.
-
- As a subset of PPM there is PGM (Portable Graymap 256 ColorS) and PBM
- (Portable Bitmap b/w).
-
- All in all, pbmplus is just fine for the once-a-week user or for he who
- works on several systems. The programms aren't very fast and not very optimized
- In some cases (due to compatibility).
-
- ADPro is a stand-alone programm for the Amiga, also it is a 'Displaying Tool'
- rather than a converting toolkit. The first thing it does is to allocate all
- available Memory *haps* (I don't know if this can be changed via any option,
- i don't have ADPro). So, if you deal with large images, you must have much
- RAM as well. As yet, ASDG does not support VMem, though the new GigaMem
- System does support ADPro (Upto 512 MB only !).
- ADPro does support ARexx-Scripting and Commands.
- It has many features to act filters or operation on images, also visible
- crop and merge function (besides a Textmerger) is supported.
-
- ADPro can display the images in all Amiga (ECS) Modes, and on many 3rd Party
- Gfx-Boards.
- Every loaded picture is converted into a 24 Bit Image (internally), every
- function works on 24 Bit. This may be a overkill on many pictures, e.g. simple
- GIF's.
-
- In the professional version you get TIFF Support and Support for other Formats.
-
- All in all, a powerfull software, not really a image processing tool but close
- to it. As MemEater useless for Multitasking, and it seems that ASDG never heard
- the Style Guide. It still doesn't support PPM-Format, but at least qrt.
-
- For both Toolkits a 020+ is really usefull, also much RAM is a must.
-
- So well, Pbmplus is usefull for the alround user, ADPro for the only-Amiga-user.
-
- Me, myself and i prefer pbmplus... Man pages online, easy scripting and
- easy to write code yourself for It.
-
- ADpro has much balast which is useless for me and is constantly in the RAM
- while running it... it has advantages in the visual part.
-
- Your choice, Markus.
-
- --
- Markus Illenseer EMail: markus@TechFak.Uni-Bielefeld.de
- Universitaet Bielefeld Fax: (+49 521) 106-2992
- Technische Fakultaet Phone: (+49 521) 106-2926(internal only); -5329
- Angewandte Informatik SnailMail: Postfach 100131, D-4800 BIELEFELD 1
-