| T.R | Title | User | Personal Name
 | Date | Lines | 
|---|
| 2943.1 |  | WJG::GUINEAU | Impossible Concentration | Thu Sep 21 1989 12:15 | 6 | 
|  | >    As soon as I get the converter, I will convert all the Neptune and
>    Gabriel pictures to DDIF files. UTOX, DSS, and IMAGE can then be
>    used to convert them to SIXEL, PostScript, or XBM, etc.
Great! Please do...
 | 
| 2943.2 | Far out. | SUBURB::MCDONALDA | Old Elysian with a big D.I.C. | Fri Sep 22 1989 04:48 | 11 | 
|  |     The images are great! The ones I've done so far are unprocessed
    images straight from JPL i.e. the grid markers are still there and
    they're greyscale. I've just noticed something called WHOLE.GIF,
    which I am hoping is a processed image with all the separate filtered
    images put together.
    
    What is the copyright situation on these images?
    
    Esther's front end GIF - DDIF converter works fine.
    
    Angus
 | 
| 2943.3 | Some DDIF images for you. | SUBURB::MCDONALDA | Old Elysian with a big D.I.C. | Fri Sep 22 1989 11:27 | 15 | 
|  |     I have converted a number of the Neptune images and one Gabriel      
    image, and I have copied the resultant DDIF images to our DECnet
    account i.e. OPG::  All files are greyscale.
    
    Feel free to copy, but be warned: First, the area is due for a clear
    out, and second, each image is 1801 blocks long, apart from GABRFULL.IMG
    which is 2279 blocks long.
    
    The files are: CLOUD.IMG, NEPTUNE1.IMG, NEPTUNE2.IMG, NEPTUNE3.IMG,
    NEPTUNE5.IMG, NEPTUNE6.IMG, NEPTUNE7.IMG, TRITON.IMG and GABRFULL.IMG.
    
    I am having a little trouble with NEPTUNE4.IMG and WHOLE.IMG. Esther
    is looking into it.
    
    Angus
 | 
| 2943.4 | I wasn't impressed | LOWLIF::DAVIS | That's not a BUG it's a FEATURE! | Fri Sep 22 1989 11:59 | 9 | 
|  | I downloaded a couple of the GIF files to my Amiga (WHOLE.GIF and CLOUDS.GIF)
and, unfortunately, I was disappointed.  Am I spoiled or what?  What quality
were the images originally?  Surely better than 16 color gray-scale?
Are any of the others better or they all similar?  Am I asking too many stupid
questions????
...richard
 | 
| 2943.5 | What's a .IMG file extention | AKOV11::SMITH | Reality, just a visible imagination? | Fri Sep 22 1989 14:04 | 8 | 
|  | I copied over NEPTUNE1.IMG and tried to display it with the DDIF viewer on my 
workstation.  No luck!  It didn't like the format.  Any ideas?  Could someone
explain what .IMG is?  Does it still need to be converted to display in the
DDIF Viewer?
Thanx,
...Ed
 | 
| 2943.6 | ..sounds like a pro or microvax.. | NWD002::FREEMANRO |  | Fri Sep 22 1989 14:18 | 4 | 
|  |     The only format, that I know of right now that uses .IMG is the
    pro series and possibly the microvax? It sounds like some sort of
    conversion needs to take place.
    Rob
 | 
| 2943.7 | 16 shades of gray is all | LEVERS::PLOUFF | Father of Pooh fanatic | Fri Sep 22 1989 17:13 | 8 | 
|  |     re: .4
    
    The original Usenet postings talk about images frame-grabbed from
    cable TV by a Mac-II-based system, then uploaded as a raw bitmap
    of (you guessed it) 16-color gray scale.  I would tend to believe
    that these GIF files are the same images.
    
    Wes
 | 
| 2943.8 | SET FILE/SEMANTICS=... | BOMBE::MOORE | BaN CaSe_sEnSiTiVe iDeNtIfIeRs! | Fri Sep 22 1989 17:14 | 4 | 
|  |     re: .5
    You probably lost the DDIF tags during the network transfer.  Try doing
        SET FILE/SEMANTICS=DDIF 
    (or something like that, sorry I haven't used it in a while)
 | 
| 2943.9 | Single Plane Problem ? | AMIGA2::MCGHIE | Thank Heaven for small Murphys ! | Sat Sep 23 1989 03:36 | 8 | 
|  |     I wouldn't expect to be able to display grayscale images on a single
    plane VAXstation.
    
    IS the DDIF viewer 'smart' enough to know when it can and can't display
    the mulitple plane images ??
    
    Regards
    	Mike
 | 
| 2943.10 |  | WJG::GUINEAU | Impossible Concentration | Mon Sep 25 1989 07:53 | 6 | 
|  | If your display routine is smart enough, it can simulate greyscale on a
single plane display with dithering.
I'm not sure "CDA Viewer" aka DDIF viewer does this.
John
 | 
| 2943.11 | Do I spy problems? | SUBURB::MCDONALDA | Old Elysian with a big D.I.C. | Mon Sep 25 1989 07:56 | 22 | 
|  |     .IMG is the, latest, default file extension used by DECimage. They
    are DDIF files, and the extension is to stop them being confused
    with the other major set of DDIF files i.e. DECwrite files; which
    now have the extension .DOC.
    
    .8 is correct in saying that DDIF file attributes tend to go missing
    on a copy. Do the old SET FILE/SEMAN=DDIF on your copied files.
    
    A further problem occurs with the CDA stuff. Development has been
    so rapid that its anyone's guess as to the version you have on your 
    system. Remember, the images are greyscale, and its only fairly
    recently that the DECimage stuff *supports* greyscale and colour.
    
    For what its worth, the .GIF images were rendered under VMS T5.3-462,
    running DECwindows V2.0. The image ident for CDA$ACCESS is CDA
    T1.2-890630, while what appears to be the DDIF viewer, has an ident
    of CDA T1.2-890819.
    
    Failing that, there's always DECimage Scanning Application; which
    I use to display the images.
    
    Angus
 | 
| 2943.12 | Viewer handles multi-plane images | VIA::BAZEMORE | Barbara b. | Mon Sep 25 1989 13:35 | 18 | 
|  |     re .9
    
    > IS the DDIF viewer 'smart' enough to know when it can and can't display
    > the mulitple plane images ??
   
    Yes.  In DECwindows V1 the DDIF Viewer would give an "image not
    bitonal" message if it bumped into a multi-plane image.
    
    In DECwindows V2, and CDA V1.2 the CDA Viewer can handle any image
    that DECimage can, because the Viewer uses IDS$STATIC_IMAGE to 
    throw the image up on the display.  DECimage checks the workstation
    display attributes and dithers the image down to whatever that
    workstation can handle.  No problem.
    
    If this isn't the behavior you are seeing, report the problem
    in DDIF::CDA_BUGS.
    
    			Barbara b.
 | 
| 2943.13 | UtoX can do GIF now | WJG::GUINEAU | Impossible Concentration | Wed Sep 27 1989 07:44 | 16 | 
|  | 
UtoX V3.0 just hit the streets.  It can read GIF now and even save to
the pause screen. Neptune looks nice!
BTW - Watch this space for 2 massave .ZOO files which will be appearing
on WJG:: soon:
	NEPTUNE1.ZOO
	NEPTUNE2.ZOO
Yup, these are the NASA data. Joe Smith of McDonnell Douglas in California
put together a nice slide show of all the pics. Stay tuned...
John
 | 
| 2943.14 | Colour images? | SUBURB::MCDONALDA | Old Elysian with a big D.I.C. | Wed Sep 27 1989 08:24 | 12 | 
|  |     John,
    
    Re .13, excitment, excitment. However, are these image processed?
    i.e. combining of the images taken through colour filters to produce
    true or false, even, colour images.
    
    The groans of "they're not in colour" when I displayed the .GIF
    images could be heard all the way on Triton. Not that I'm complaining,
    of course :-)
    
    Angus
                 
 | 
| 2943.15 |  | WJG::GUINEAU | Impossible Concentration | Wed Sep 27 1989 11:23 | 4 | 
|  | Well, what I recieved was 2 floppies packed with IFF files. NOT the raw
NASA data. They are all grey scale converted by DigiView... Sorry!
John
 | 
| 2943.16 | Knew this topic would get back to Amiga... | LEVERS::PLOUFF | can't memorize Zen... | Wed Sep 27 1989 11:33 | 5 | 
|  |     On the other hand, IFF files are just the solution for my inability
    to convert large GIFs on a 512K machine (note 2817.something). 
    So let's see 'em anyway, please, please.
    
    Wes
 | 
| 2943.17 |  | WJG::GUINEAU | Impossible Concentration | Wed Sep 27 1989 16:49 | 9 | 
|  | Yup, I'll post em (about 1700 blocks each!) if you'll download them :-)
I was hoping to get the raw data so I could play with DigiView and see 
what features would show under various conditions...
Maybe Joe (the guy who sent them to me) will send raw data as well...
John
 | 
| 2943.18 | One year! | SUBURB::MCDONALDA | Old Elysian with a big D.I.C. | Thu Sep 28 1989 06:35 | 13 | 
|  |     I checked in the Astronomy conference; actually I was hoping to
    find more image files :-). The word is, JPL's policy is *not* to
    general release mission data for a year. However, any of their
    selected releases (e.g. photos) may be scanned into electronic form.
    
    Hence, it appears that the raw and processed data, will not be made
    generally available for a year. However, they didn't mention about
    other sources releasing data, but I guess it depends on contractural 
    arrangements.
    
    Shame, but the reasoning behind this policy is sound.
    
    Angus
 | 
| 2943.19 | Try these out | WJG::GUINEAU | Impossible Concentration | Thu Sep 28 1989 07:54 | 27 | 
|  | 
The images I received were digitized from Stanford's direct cable link to
NASA (using, gasp, a MAC II). They were 640x480x8 greyscale and saved as
encapsulated �PostScript. The original NASA data was 800x800x8 greyscale
taken through various color filters (just like DigiView :-).
The raw PS image data was then extracted into a form DigiView can pretend is
raw RGB. This guy Jim then converted them to IFF.
I've since sent of to Jim asking (pleading) to get the raw RGB stuff he
has so we can all play with DigiView/Butcher (just like NASA scientists).
In any case, you won't be dissapointed with:
	WJG::AMIGA:NEPTUNE1.ZOO,NEPTUNE2.ZOO
Directory WJG::DUA1:[AMIGA]
NEPTUNE1.ZOO;1         1298/1299    27-SEP-1989 20:34:21.00  (RWED,RWED,RE,R)
NEPTUNE2.ZOO;1         1215/1215    27-SEP-1989 21:40:32.00  (RWED,RWED,RE,R)
There about 4.5 - 5 hours download at 2400.
Have Fun!
John
 | 
| 2943.20 | Got 'em | LEVERS::PLOUFF | can't memorize Zen... | Sat Sep 30 1989 22:14 | 6 | 
|  |     Thanks, John!  These are fascinating images.
    
    BTW, to display these on a 512K machine, I had to use 'sho' - included
    in one of the ZOO files - from the CLI.
    
    Wes
 | 
| 2943.21 | IMG -> GIF -> IFF | NAVIER::MELLITZ |  | Wed Mar 28 1990 08:52 | 6 | 
|  |     How's does one go about converting IMG files from DECscan to GIF
    so that they can be converted to IFF using GIF2IFF?
    Or is there a simpler way to convert IMG to IFF?
    
    Thanks,
    Rich
 | 
| 2943.22 |  | PEEVAX::GIFFORD | My dunny was kicked down by chooks! | Wed Mar 28 1990 17:22 | 15 | 
|  | UTOX will read a .IMG (DDIF) file and write a one of the following
SDML
SIXEL
TEK 4693
X BITMAP
DDIF
Utox only runs under DECwindows
Look into the CDA converter library as well....
Hope this helps with maybe some intermediate formats..
Stan
 | 
| 2943.23 | -><->?->??<-? | NAVIER::MELLITZ |  | Wed Mar 28 1990 17:35 | 15 | 
|  |     Re: -1
    
>    Hope this helps with maybe some intermediate formats..
    
    Not really. I know I can read the IMG files in with UTOX, Paint,
    ore link to image in DECwrite.
    
    ... But how can I convert these pictures to IFF for downloading
    to my Amiga?  Maybe it's not possible!
    
    Is there a sixel to IFF converter? or any thing that UTOX will output.
    
   
    ... Rich
 | 
| 2943.24 |  | NAC::BRANNON | value added | Wed Mar 28 1990 19:25 | 9 | 
|  |     re .-1:
    csix converts from IFF to SIXEL, that might be a good starting point
    since sources are with it if I remember right.
    
    How about asking the UTOX folks to add IFF?  Then everyone that uses it
    would start wondering what an Amiga is...
    
    dennis
    
 | 
| 2943.25 |  | WJG::GUINEAU |  | Thu Mar 29 1990 06:46 | 8 | 
|  | >    How about asking the UTOX folks to add IFF?  Then everyone that uses it
>    would start wondering what an Amiga is...
    
I already did. They were too busy at the time but were definetly interested. He
even asked for IFF specs. Maybe it's time to ask again?
john
 | 
| 2943.26 | In anticipation | WELMTS::FINNIS | Peter Finnis at Welwyn | Thu Mar 29 1990 15:40 | 5 | 
|  |     I understand that IFF and GIF write as output is on the wishlist
    I'll post it if anyone is interested (the wish list that is)
    
    		Pete
    
 | 
| 2943.27 |  | TALLIS::MCAFEE | Steve McAfee | Thu Mar 29 1990 20:05 | 7 | 
|  |     
    I gave them FF185 a while back along with some other information and
    the CSIX source code for what is worth.  I also offered to give a hand
    if necessary, but I never heard back.  If more people request this it
    might help...
    
    - steve
 |