>
> Jan Wieck wrote:
> > Why  not - where do you have height information of the entire
> > earth?
>
> I have no idea where you'd get that info.  I was just
> joking, you are going way beyond the call of duty.
> It's cool.
>
> :) clark

    That's no joke!

    Well  -  you  wanted  mountains - there they are (Example 2).
    But please don't tell me next you want  planes  in  the  air,
    smog over NY and dolphins in the sea :-)


Jan

--

#======================================================================#
# It's easier to get forgiveness for being wrong than for being right. #
# Let's break this rule - forgive me.                                  #
#======================================== jwieck@debis.com (Jan Wieck) #



Thu, 18 Mar 1999 03:48:23 +0100 (MET)
jwieck@debis.com (Jan Wieck)
One more globe
On Thu, 18 Mar 1999, Jan Wieck wrote:

> >
> > Jan Wieck wrote:
> > > Why  not - where do you have height information of the entire
> > > earth?
> >
> > I have no idea where you'd get that info.  I was just
> > joking, you are going way beyond the call of duty.
> > It's cool.
> >
> > :) clark
> 
>     That's no joke!
> 
>     Well  -  you  wanted  mountains - there they are (Example 2).
>     But please don't tell me next you want  planes  in  the  air,
>     smog over NY and dolphins in the sea :-)

I love it...

Can ya really do the dolphins though? :)  

Marc G. Fournier                   ICQ#7615664               IRC Nick: Scrappy
Systems Administrator @ hub.org 
primary: scrappy@hub.org           secondary: scrappy@{freebsd|postgresql}.org 


Thu, 18 Mar 1999 00:00:11 -0400 (AST)
The Hermit Hacker <scrappy@hub.org>
Re: [HACKERS] One more globe
> >
> > Jan Wieck wrote:
> > > Why  not - where do you have height information of the entire
> > > earth?
> >
> > I have no idea where you'd get that info.  I was just
> > joking, you are going way beyond the call of duty.
> > It's cool.
> >
> > :) clark
> 
>     That's no joke!
> 
>     Well  -  you  wanted  mountains - there they are (Example 2).
>     But please don't tell me next you want  planes  in  the  air,
>     smog over NY and dolphins in the sea :-)

Jan, is there no limit to what you can do?

-- 
  Bruce Momjian                        |  http://www.op.net/~candle
  maillist@candle.pha.pa.us            |  (610) 853-3000
  +  If your life is a hard drive,     |  830 Blythe Avenue
  +  Christ can be your backup.        |  Drexel Hill, Pennsylvania 19026

Thu, 18 Mar 1999 00:19:28 -0500 (EST)
Bruce Momjian <maillist@candle.pha.pa.us>
Re: [HACKERS] One more globe
Bruce Momjian wrote:

> >     Well  -  you  wanted  mountains - there they are (Example 2).
> >     But please don't tell me next you want  planes  in  the  air,
> >     smog over NY and dolphins in the sea :-)
>
> Jan, is there no limit to what you can do?

    Rayshade has no wireframe objects like POVray. A wireframe is
    an elegant way to describe complex things like  e.g.  screws.
    In  rayshade  you  have only some primitves like sphere, box,
    cone, cylinder and some flat things like triangle,  disc  and
    polygon.  The  problem with missing wireframes is that things
    like characters are really hard to define.

    Anything to build must be described as combinations  of  such
    primitive  objects. This process is called Constructive Solid
    Geometry (CSG). For example to make a hole in a wall you take
    a  box  and  scale  it to 5.0, 0.2, 3.0 (x,y,z). Now you take
    another box, scale it to 1.0, 0.21,  0.5  move  it  into  the
    center  and  subtract it from the wall. There is now the hole
    where you can put in the window.  If  you  build  four  walls
    don't forget the hole for the door :-)

    Another powerful primitive is the heightfield (what I've used
    to build the mountains on the map). It uses a special file of
    raw  floating  point  values  that describe the altitude of a
    point on a square plane. I've used the etopo5 topography data
    (altitudes  in  meters  for  every  5  minutes  of the earth,
    4320x2160 points though)  and  converted  that  into  such  a
    heightfield  plus  a  color  image  ranging from deep blue at
    ocean bottom to white on the altitude of the himalaya.

    Look here for some other examples what's possible with  these
    few features:

    http://www-graphics.stanford.edu/~cek/rayshade/gallery/gallery.html

    My  favorites  are Chem, Trees, Magic Chain and of course the
    scenes from Nathan Obrien! The  final  PostgreSQL  developers
    globe might be another candidate for the gallery :-)


Jan

--

#======================================================================#
# It's easier to get forgiveness for being wrong than for being right. #
# Let's break this rule - forgive me.                                  #
#======================================== jwieck@debis.com (Jan Wieck) #



Thu, 18 Mar 1999 13:07:14 +0100 (MET)
jwieck@debis.com (Jan Wieck)
Re: [HACKERS] One more globe
> Bruce Momjian wrote:
> 
> > >     Well  -  you  wanted  mountains - there they are (Example 2).
> > >     But please don't tell me next you want  planes  in  the  air,
> > >     smog over NY and dolphins in the sea :-)
> >
> > Jan, is there no limit to what you can do?

I think the major problem I have with globe #3 is the white shaft of the
pins.  It is the first thing I see when I look at the image.  Can the
shafts be silver, black, grey, or red.  They maybe they would not stick
out.  The eye should be drawn to the map, and the pin heads.

-- 
  Bruce Momjian                        |  http://www.op.net/~candle
  maillist@candle.pha.pa.us            |  (610) 853-3000
  +  If your life is a hard drive,     |  830 Blythe Avenue
  +  Christ can be your backup.        |  Drexel Hill, Pennsylvania 19026

Fri, 19 Mar 1999 23:07:04 -0500 (EST)
Bruce Momjian <maillist@candle.pha.pa.us>
Re: [HACKERS] One more globe

On 20-Mar-99 Bruce Momjian wrote:
>   The eye should be drawn to the map, and the pin heads.

*giggle*

Vince.
-- 
==========================================================================
Vince Vielhaber -- KA8CSH   email: vev@michvhf.com   flame-mail: /dev/null
       # include <std/disclaimers.h>                   TEAM-OS2
        Online Campground Directory    http://www.camping-usa.com
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Fri, 19 Mar 1999 23:12:44 -0500 (EST)
Vince Vielhaber <vev@michvhf.com>
Re: [HACKERS] One more globe
> 
> On 20-Mar-99 Bruce Momjian wrote:
> >   The eye should be drawn to the map, and the pin heads.
> 
> *giggle*
> 

I knew I was going to get a giggle on this.

-- 
  Bruce Momjian                        |  http://www.op.net/~candle
  maillist@candle.pha.pa.us            |  (610) 853-3000
  +  If your life is a hard drive,     |  830 Blythe Avenue
  +  Christ can be your backup.        |  Drexel Hill, Pennsylvania 19026

Fri, 19 Mar 1999 23:15:28 -0500 (EST)
Bruce Momjian <maillist@candle.pha.pa.us>
Re: [HACKERS] One more globe