HDTenEightyP/NetNews huggingface dataset:
From: mfyjs@alf.uib.no (Jarle Strand)
Subject: FONTS
Organization: University of Bergen, Norway
Date: Mon, 25 Jan 93 12:17:40 GMT


I'm writing a program that requires text output in graphics mode. My problem is that
the graphics library I'm using dont have many fonts available. There must be some
fonts in the public domain, -I'm looking for both _vector_ and _bitmap_ fonts. I dont
care about the format, as long as there is a description available. Any libraries that
handles fonts are also interesting, -but source in C must (?) be available. Does anybody
have any hints or suggestions?

Pointers to both public domain and commercial products are welcomed, but public domain
packages has to be "comletely" public domain, as I'm going to use this in a commercial
product. I suppose that this is only a problem for the source code, not for the fonts.

I have never seen this subject discussed in this newsgroup before, please email to me and
I'll send a resume.


-Jarle
(This seems to be the right newsgroup for this subject. I you dont agree, please send a
mail suggesting where this subject is more proper. You may post the flames to yourself.)
Newsgroups: comp.graphics,comp.windows.x.pex,comp.graphics.opengl
From: alanf@cs.monash.edu.au (Alan Grant Finlay)
Subject: simple CAD package using PHIGS (request for)
Summary: needed for graphics course
Keywords: PHIGS CAD
Organization: Computer Science, Monash University, Australia
Date: Thu, 21 Jan 1993 23:26:18 GMT

In order to teach some 3d graphics principles we would like to have students
modify a very simple CAD package written using PHIGS(+).  It only needs to be
very basic, perhaps only supporting lines in 3d, allowing them to be edited
and attached to a structure.  Point entry via pick or snap using a mouse,
save and restore structure archive, and a small range of viewpoints.

Before I go ahead and write this, I wondered if anyone knows of an existing
public domain, freeware or GNU package that would be suitable?  It doesn't
matter if its a lot more complex than we need provided it is well written
(with enough comments to understand it).

Alternatively perhaps someone knows of a book with an example of this kind?

,-------Alan Finlay, email: alanf@bruce.cs.monash.edu.au, phone: (03)565-5225.
|	Victorian Centre for Image Processing and Graphics,
|	Monash University, CLAYTON 3168, Australia.
|
`-------(Premature optimisation is the root of all evil.)
Newsgroups: comp.graphics
From: eivind@kih.no (eivind hagen)
Subject: Re: "fill" algorithm
Organization: Kongsberg Ingeniorhogskole
X-Newsreader: TIN [version 1.1 PL8]
Date: Thu, 28 Jan 1993 10:37:41 GMT

Scott R. Nelson (srnelson@speedsail.Eng.Sun.COM) wrote:
> I tried that once and even with 100 megabytes of virtual memory it
> ran out of stack space after filling less than 500,000 pixels on the
> background of a complex scene.  The system also went through a major
> thrashing period before the program died.  That doesn't fit my
> definition of "foolproof".

Well, if U got a proper OS it's foolproof :-)

> A very simple change would be to pick a pixel, then fill horizontally
> in both directions as far as possible.  Once done, go check all of the
> pixels above and below that filled region.  This uses much less stack
> space and is also faster.  There are certainly more speed optimizations
> that could be made to avoid redundant tests if you like to experiment.

I know, and this is what I normally do: Also, a nice thing is to save all
the x1,x2,y positions while filling, and after you are done, you have a list of the entire area. Then, use this for easy pattern filling etc. You also know the min/max of the area, so auto-scaling images for filling etc.
BTW: Any other smart algorithms anyone? This line-scanning is the fastest I've
found so far...

> You might also want to consider checking the 8 adjacent pixels rather
> than 4, if you want it to go through diagonal holes.

Hmm. This is not normal is it? Beides, MORE STACK is needed :-)))

--
I--------------------------------------I-------------------------------------I
I Eivind Hagen (eivind@samson.kih.no)  I  "I've got the POWER"               I
I Zynx of Arc Empire                   I  (ARM 3 + cx486slc / 8 MB RAM)      I
I--------------------------------------I-------------------------------------I
From: spl@pitstop.ucsd.edu (Steve Lamont)
Newsgroups: comp.graphics
Subject: Re: looking for polygon clipper
Date: 22 Jan 1993 22:08:36 GMT
Organization: University of Calif., San Diego/Microscopy and Imaging Resource
Distribution: world
NNTP-Posting-Host: pitstop.ucsd.edu

In article <lm0qarINN795@news.bbn.com> koolish@BBN.COM (Richard M. Koolish) writes:
>I'm looking for a C version of a polygon clipper (2D is OK).
>Are the sources listed in "Graphics Gems" edited by Andrew Glassner
>available somewhere by ftp?

From the FAQ:

All C code from the "Graphics Gems" series is available via anonymous ftp
from princeton.edu.  Look in the directory pub/Graphics/GraphicsGems for
the various volumes (Gems, GemsII, GemsIII), and get the README file first.

							spl
-- 
Steve Lamont, SciViGuy -- (619) 534-7968 -- spl@szechuan.ucsd.edu
UCSD Microscopy and Imaging Resource/UCSD Med School/La Jolla, CA 92093-0608
"The English are drinking the better beer in Bavaria."
            - Archibald Macleish, "Lines for an Interment"
Newsgroups: comp.graphics
From: boylan@pi.eai.iastate.edu (Terran Boylan)
Subject: HIGH quality color printers
Organization: Engineering Animation, Inc.
Date: Thu, 21 Jan 1993 22:21:56 GMT

What is the current state-of-the-art in high-quality (looks
like a color photograph) printers.  We are looking for a cost-
effective solution for producing color stills.  Currently we 
are using a system that produces 8 1/2 by 11 stills at a max
resolution of 2560 by 2048.  Out cost is $6/print.  I know that's
not incredibly expensive, but over hundreds of prints the money
accumulates.

We want something that gives us the same quality at a lower
cost.  It needs to be an in-house solution so that we can make
stills on < 1 hour's notice.

I would be very interested in hearing from companies that sell
and/or lease such beasties.  Please email me at the above address.

Thanks!

-- 
---
Terran J. Boylan, Sr. Artist/Programmer | "It's better to have loved
Engineering Animation, Inc.,  Ames, IA  | and lost than just to have
(515) 296-9908 / (515) 296-7934 (> 5PM) | lost." -- Dorky Dog
From: eec@po.CWRU.Edu (Edward E. Conroy)
Newsgroups: comp.graphics
Subject: Need advice on video cards
Date: 26 Jan 1993 07:45:21 GMT
Organization: Case Western Reserve University, Cleveland, Ohio (USA)
NNTP-Posting-Host: thor.ins.cwru.edu


I want to buy a computer system with the capability of viewing,
editing and storing full colour video and stereo sound. This
machine will be used for research into multimedia education, and
should be able to interface easily with VCRS and audio equipment.
I'm currently looking into some of the VL-bus machines, but I'm
not sure what sort of video card to get. It's very important that
I purchase a top-of-the-line, reliable card to do this sort of
thing, and I'd appreciate any advice, suggestions, warnings and/or
wild rumors that anyone might be able to give me.

Thanks in advance for the help.
-ed conroy
eec@po.cwru.edu
Newsgroups: comp.graphics
From: dejesus@pluto.nwc.navy.mil (Francisco X DeJesus)
Subject: Re: Needing 3D Studio 2.0 Objects
Organization: Science Applications International Corp.
Date: Tue, 26 Jan 1993 22:57:58 GMT

In article <728034338snx@osea.demon.co.uk> andy@osea.demon.co.uk (Andrew Haveland-Robinson) writes:
>
>In article <1k0u63INN824@mailgzrz.TU-Berlin.DE> chribeag@w254zrz.zrz.tu-berlin.de (Christian Klass) writes:
>
>>Hello there,
>>I`m desperatly looking for 3D objects, which I can use for
>>3D Studio (from Autodesk). Is there a site where I can get
>>those objects or programs which can convert between different
>>object-formats?
[...]
>avalon.chinalake.navy.mil springs to mind, there is some stuff there
>but needs contributions! (HINT)

250+ Megs free on that disk, too! (HINT HINT!) :-)
-- 
      Francisco X DeJesus  ----- S A I C -----  dejesus@chinalake.navy.mil
 ------------------------------------------------------------------------------
  * disclaimer: Opinions expressed here are mine. Typos and errors are yours *
 "Duck Season!" "Rabbit Season!" "...rabbit season." "It's Duck Season! SHOOT!"
Xref: sparky comp.graphics:14257 sci.image.processing:1734
From: jjohnson@hindmost.lpl.arizona.edu (Jeff Johnson x8605)
Newsgroups: comp.graphics,sci.image.processing
Subject: Touchup 2.5 drawing tool for Suns
Date: 26 Jan 93 21:37:57 GMT
Distribution: na
Organization: Lunar & Planetary Laboratory, Tucson AZ.


I'm using a Sun interactive drawing/graphics program called Touchup,
version 2.5, written in 1988 by Ray Kreisel, apparently formerly at 
rayk@sbcs.sunysb.edu (SUNY at Stony Brook, NY).  I am 
drawing lines to surround distinct regions on images, but 
I am having trouble with the Filling routine for areas
that have been created with the pencil tool.
One of the bugs reported in the documentation to Touchup says
that "If you try to Flood Fill an area that has a VERY complex
pattern and covers a large area it is possible to overflow
the stack and cause a core dump."  This is approximately what
is happening to me.  My question is:  Has anyone fixed this 
bug in Touchup since its most recent release in 1988?

	(I have tried Xpaint2 to perform similar tasks, but I need
the ability to assign explicit DN values to the fill colors.)

Thanks for any help,

Jeff Johnson
Planetary Image Research Laboratory
University of Arizona
jjohnson@pirl.lpl.arizona.edu
Organization: Penn State University
Date: Tue, 26 Jan 1993 09:05:36 EST
From: <GNR100@psuvm.psu.edu>
Newsgroups: comp.graphics
Subject: Displaying .BMP format



          I need information on displaying .BMP files for a project I am
          working on.  I need to know:
                   1.  How to determine the color of each pixel.  I believe
                       that  this is done simply by reading a byte out of
                       the file - the file is a direct image of the screen,
                       byte1=pixel1, byte2=pixel2, ..., but I could be wrong.

                   2.  How to determine size of an image.  If my former
                       assumption is correct, how is a new line detected?
                       Does a .BMP file have the same number of bits as the
                       screen has pixels?

          If someone could direct me to documentation and/or source code
          for this, I would be very grateful.

                           Thank you very much.

                                  Gordon Rogers
                                  gnr100@psuvm.psu.edu
Newsgroups: comp.graphics
From: sosc1092@wc14.writer.yorku.ca (Vijay Doobay)
Subject: Cad Programs
Organization: York University
Distribution: Anywhere, and Everywhere
Date: Wed, 27 Jan 1993 19:05:33 GMT


Hey All...

I am helping a friend design a sail boat, and am interested in knowing  
what types of CAD programs are the best to go with.  I have worked with  
Autocad 10, through 12, but they are far too complex for what we need.  

Can anyone recomend some easy type of CAD program?  I have looked into  
KEYCAD 5.0, but it is TOO BASIC.

I am running a 386/33 with 4 megs on board.  So if that helps, I would  
appreciate a response.

Thanx.

[-------------------------------------]/\/\/\/\/\/\/\/\/\/\/\/\/\
[---------- Mr. Vijay Doobay ---------]\/\/\/\/\/\/\/\/\/\/\/\/\/
[-----------York University ----------]/\/\/\/\/\/1993\/\/\/\/\/\
[---------- Toronto, Canada-----------]\/\/\/\/\/\/\/\/\/\/\/\/\/
[-------------------------------------]/\/\/\/\/\/\/\/\/\/\/\/\/\
From: lioness@maple.circa.ufl.edu
Newsgroups: comp.graphics
Subject: Difference between object and camera matrix
Date: 27 Jan 93 19:43:21 GMT
Reply-To: lioness@maple.circa.ufl.edu
Organization: Center for Instructional and Research Computing Activities


Yo.  I am trying to derive a camera matrix* from an object matrix**.
To do this I am deriving the VUP, VRIGHT, and VFORWARD vectors
from the object by doing this:

VECTOR vf(0,0,1), vup(0,1,0), vright(1,0,0);

   vright = vright * object_matrix;
   vup    = vup * object_matrix;
   vf     = vf * object_matrix;

   I then translate these vectors doing:

   vector.x -= object.x;
   vector.y -= object.y;
   vector.z -= object.z;

   I finally normalize them.  So, I have three normalized direction vectors
that represent the object's orientation.  How do I take these and make a 
camera matrix?

Thanks,

Brian

PS Please reply in e-mail, since my newserver is about 1 week behind in
getting new news.

* camera matrix being the matrix used to move a world coordinate system
to a camera relative coordinate system

** object matrix being the matrix used to move a local/object relative
coordinate system into the world
Organization: Penn State University
Date: Thu, 28 Jan 1993 11:24:16 EST
From: Senthil Ramas Kumar <SRK106@psuvm.psu.edu>
Newsgroups: comp.graphics
Subject: Algo. to Flood Fill any Closed Profile

Hi friends: Suppose I have a 2D profile, (i.e.  the {x,y} perimeter points),
and now I want to fill this entire thing with some color.

I would very much appreciate it if someone could either tell me about some
existing algorithm to do this.  Ftp sites, Actual code, Psedo Code, will be
very much appreciated.

thankx

Kumar
From: claudio@soda.berkeley.edu (Claudio Fahey)
Newsgroups: comp.graphics.visualization
Subject: good colors for displaying heat?
Date: 25 Jan 1993 05:08:50 GMT
Organization: U.C. Berkeley, CS Undergraduate Association
Distribution: world
NNTP-Posting-Host: soda.berkeley.edu

Does anybody know of a routine that will give me a good
palette for displaying a heated plate?  I tried creating
my own routine but it doesn't look very nice.
I'm looking for something that uses white for the hottest,
then red, then blue, etc..  However, if anybody can think of a nicer
ordering of colors, feel free to post a routine.  BTW, I would
like the routine to give me colors in RGB values.
From: ramsch@forwiss.uni-passau.de (Martin Ramsch)
Newsgroups: comp.graphics.visualization
Subject: mathmatical plotting tools
Followup-To: comp.graphics.visualization
Date: 22 Jan 1993 11:53:53 GMT
Organization: University of Passau, Germany
Distribution: world
NNTP-Posting-Host: elendil.forwiss.uni-passau.de

Hi,

I'm looking for a mathmatical function plotter for MS-DOS PCs.
Up to now I know about 'gnuplot' (PD) and 'Maple V' (commercial),
but the first one doesn't suffer my needs, the second one is too
expensive.

Does anybody know of another PD fuction plotter, that can produce TeX
output, has 3D abilities and is able to integrate/differentiate.
(Sort of Maple for the poor man :-)

Many thanks in advance!
-- 
 _ // Martin Ramsch
 \X/  ramsch@forwiss.uni-passau.de





Newsgroups: comp.graphics.visualization
From: anadeem@ampere.comp.graphics.research (Ahmed Nadeem)
Subject: MRI And CT-SCAN Images For Dogs
Organization: /home/ampere1/anadeem/.organization
Distribution: comp.graphics.visualization
Date: Wed, 27 Jan 1993 08:11:00 GMT

Netters,
      I am currently working on a research project that involves construction 
of realistic, solid or geometric models for dogs.
      Does anyone know where I can get serial section images( MRI, CT-SCAN, 
etc ) for dogs?
                                                       Thanks,
                                                              Ahmed Nadeem
From: mworden@neurocog.lrdc.pitt.edu (Mike Worden)
Newsgroups: comp.graphics.visualization
Subject: 3D Digitizer
Keywords: 3D Digitizer
Date: 25 Jan 93 23:35:37 GMT
Organization: University of Pittsburgh

Howdy,
Does anyone have any info or contact information for companies which manufacture
3D digitizing equipment?  I can support software for Dos, Mac, or HP Unix.  A
lab that I worked in previously had an Isotrack digitizer and software by Mira
Imaging.  The digitizer worked fine (I'd buy one again) but the software (which
was the most expensive part of the package) was terrible.  (Actually it was more
marginal than terrible but considering the cost of about $6000 dollars for the 
package....)  Anyway, if anyone has experiences or contact info for such a 
product - the Isotrack with someone else's software would be great -- I'd 
appreciate hearing about it.  You can either post to this group or e-mail me 
directly.  Thanks,

-Mike


Mike Worden
Department of Psychology
University of Pittsburgh
mworden@neurocog.lrdc.pitt.edu
			|	A scholar is just a library's way of
			|       making another library.	
							-Daniel Dennett	
Newsgroups: comp.graphics.visualization
From: lyn@cs.sfu.ca (Lyn Bartram)
Subject: Student Volunteers - SIGGRAPH 93
Organization: CSS, Simon Fraser University, Burnaby, B.C., Canada
Date: Tue, 26 Jan 1993 18:14:39 GMT


SIGGRAPH 93 invites students to gain valuable experience 
by being a part of the conference team.  Most duties are not 
glamorous, but every position provides opportunities to 
interact with committee members, contributors, and 
attendees.  SIGGRAPH participants (including our student 
volunteers) come from all over the world and represent the 
many diverse fields in which computer graphics plays a part.  
Student volunteers are invaluable to the success of 
SIGGRAPH conferences.

Volunteers must be undergraduate or graduate students 
during the 1992-1993 academic year.  Students in any 
discipline are encouraged to apply.  No experience or 
"connections" are necessary for acceptance.  Compensation
varies depending on the hours worked, but always includes
registration and admission to all parts of the conference,
including courses.  Additional compensation may include 
proceedings and housing.

HOW TO APPLY

Application forms and information may be obtained by writing:

	Maureen Baumann
	SIGGRAPH 93 Student Volunteers Program
	Smith, Bucklin & Associates
	401 N. Michigan Avenue
	Chicago, IL  60611  USA
	312-644-6610
	students.info@siggraph.org

or by anonymous ftp from the host siggraph.org under the directory:

	/conferences/siggraph93/contributors_packets/student_volunteers

in the files:
	README
	volunteers.text
	volunteers_form.text

For more information, please contact:

	Lyn Bartram
	SIGGRAPH 93 Student Volunteers Chair
	Computer Graphics Research Lab
	Centre for Systems Science
	Simon Fraser University
	Burnaby, BC  CANADA
	604-291-4369
	students.s93@siggraph.org
From: hong@cipr-psych.mgh.harvard.edu (Hong-Jain Jiang)
Newsgroups: comp.graphics.visualization
Subject: segmentaion/edge_detection routine wanted
Keywords: segmentaion, edge_detection
Date: 22 Jan 93 14:48:43 GMT
Reply-To: hong@cipr-psych.mgh.harvard.edu
Organization: Sun Microsystems, Inc.

Hi there:

I am looking for some ftp sites which have some image 
segmentation, edge/boundary detection programs. I am 
trying to do segmentation on medical images with fuzzy 
boundaries. Any help is greatly appreciated.

Hong Jiang
Mass General Hospital
email: hong@cipr-psych.mgh.harvard.edu
tel:   617-724-9525
Newsgroups: comp.graphics.visualization
From: kyrre@hsr.no (Kyrre Foerli)
Subject: Landscapes/fractals
Organization: Rogaland University Centre
Date: Wed, 20 Jan 1993 09:59:44 GMT

Is it possible to use fractals to give a 3D visualization of
a landscape a more natural/fotografic look ?

Kyrre Foerli
From: kujala@eagle.geog.ubc.ca (Vincent Kujala)
Newsgroups: comp.graphics.visualization
Subject: request: edge detection software/references
Date: 22 Jan 1993 20:26:31 GMT
Organization: University of British Columbia, Vancouver, B.C., Canada
Distribution: world
NNTP-Posting-Host: leghorn.geog.ubc.ca
Keywords: edge detection image analysis

Some students in our department are interested in measuring
the size distribution of stones in a river bed.  They have
photographs, the department has an HPIIc colour scanner, we
need software/references for performing edge detection and
classifying the closed contours (eg circles) by size.

I will post a summary if there is sufficient interest.

Thankyou,
-vincent.
From: alper@mauve.ucsc.edu (Naim Alper )
Newsgroups: comp.graphics.visualization
Subject: ftp sites for oceanographics, meteorological data
Date: 27 Jan 1993 20:37:37 GMT
Organization: UC Santa Cruz CIS/CE
Distribution: world
NNTP-Posting-Host: mauve.ucsc.edu
Keywords: ftp sites

Hi,
  I would appreciate it if anyone could point me to ftp sites for
getting hold of oceanographic and meteorological data especially those
that result from simulation.

Naim
From: mww@eng.cam.ac.uk (Mark Wright)
Newsgroups: comp.graphics.visualization
Subject: Re: request: edge detection software/references
Keywords: edge detection image analysis
Date: 24 Jan 93 15:14:12 GMT
Organization: Cambridge University Engineering Department, UK

For counting/sizing pebbles in pictures of river beds I would
suggest you look into morphological techniques. They have been
used to solve a wide range of similar problems. One reference
is Image analysis and mathematical morphology by J Serra.
There was a special issue of Computer Vision Graphics and Image
Processing some years back, Vol 35 page 279 onwards. 1986.

-------------------------------------------------------------
Mark Wright
Speech, Vision and Robotics Group
Cambridge University Engineering Department
Trumpington Street, Cambridge, England CB2 1PZ
Tel: +44-223-332754 Fax:+44-223-332662
EMail: mww@eng.cam.ac.uk
-------------------------------------------------------------
Newsgroups: comp.graphics.visualization
From: doetzl@rintintin.Colorado.EDU (Joe Doetzl)
Subject: Lots of Images
Organization: University of Colorado, Boulder
Date: 25 Jan 93 16:04:36 GMT

I am looking for a visualization tool that will allow me to look at
several hundred images in a short time frame.  I don't need publication
quality just 'quick-look' functionality.  The tool must run on a unix
platform and would ideally support HDF or netCDF formats.  I've tried
ximage and it seems to be built more for looking at a single image.
I've also contemplated building something to do this with the IDL
widgets (anybody else done it? sound reasonable?).  Please send me your
comments and/or suggestions.

--Joe
From: lakerb@rcwusr.bp.com
Newsgroups: comp.graphics.visualization
Subject: Re: segmentaion/edge_detection routine wanted
Date: 22 Jan 93 13:50:46 -0600
Organization: BP Research, Cleveland, OH (USA)

In article <1993Jan22.144843.28448@nmr-z.mgh.harvard.edu>, hong@cipr-psych.mgh.harvard.edu (Hong-Jain Jiang) writes:
> Hi there:
> 
> I am looking for some ftp sites which have some image 
> segmentation, edge/boundary detection programs. I am 
> trying to do segmentation on medical images with fuzzy 
> boundaries. Any help is greatly appreciated.
> 
> Hong Jiang
> Mass General Hospital
> email: hong@cipr-psych.mgh.harvard.edu
> tel:   617-724-9525

zaphod.ncsa.uiuc.edu has the NCSA Image software.  We run it on a Macintosh.

There is also an FTP site at NIH:

alw.nih.gov

which offers the NIH Image software.

Rob Lake
BP America Research
lake@rcwcl1.dnet.bp.com

Newsgroups: comp.graphics.visualization
From: thinman@netcom.com (Technically Sweet)
Subject: Re: Student Volunteers - SIGGRAPH 93
Organization: International Foundation for Internal Freedom
Date: Wed, 27 Jan 1993 03:26:51 GMT

Such volunteers might be more numerous if they
knew where SIGGRAPH 93 is being held.  


-- 

Lance Norskog
thinman@netcom.com
Data is not information is not knowledge is not wisdom.
Newsgroups: comp.graphics.visualization
From: patlak@med.uvm.edu (Joe Patlak)
Subject: RGB values for standard spectra
Organization: University of Vermont -- Division of EMBA Computer Facility
X-Newsreader: Tin 1.1 PL5
Date: Tue, 26 Jan 1993 19:39:00 GMT


Are there any standard translations between the world of RGB and various
spectra that would be useful for visualization?  I have two that I use at
present (one a home brew, another from a friend), but neither are entirely
satisfactory for my present application.

Can anyone give me some pointers, please.


--
Joe Patlak			    patlak@salus.med.uvm.edu
Department of Physiology
University of Vermont		    (802) 656-8912
Burlington, VT 05405
Newsgroups: comp.graphics.visualization,comp.sys.mac.apps