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Hi all.
Has there been any discussion about POV performance, specifically what
to avoid to increase performance?
For example, I recently used the City macro to create a 5 X 5 street
city.
I then replaced one of the types of cars with a vehicle I designed. The
vehicle that came with the utility is made up of 4 spheres and two
super-elipsoids, IIRC. Mine was made up of about 25 object, the basic
shape created by 10 or so blobs. The speed of rending went _way_ down.
OK, I thought, maybe it's the blobs. I replaced the smooth shaped
airraft with an angled one for the body. I created the hull with a set
of intersected planes (a technique I got from the Shapes include
Octahedron.)
It went even slower.
I then replaced the hull with a set of boxes, angled to give
approximately the same shape as with the planes. Some speedup but not
as much as I hoped, however, the number of objects in the vehicle went
up. I came to the conclusion that it was probably just the total number
of objects in the picture that was effecting the processing time.
So, is there a performance guide somewhere that might give hints on how
to speed up processing? Has it been discussed here (or on one of the
other POV newsgroups - a quick search didn't produce anything, but I'm
just looking at the titles).
And finally, should this be in a different newsgroup?
(I have noticed that when I try to create 3d clouds as described in some
examples, that my pps can drop to 50-60. At that point, unless I really
want to see the picture, I kill it.)
Thanks!
--
Tom A.
See everything; over look a great deal; correct a little. -Blessed Pope
John XXIII
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"Tom A." wrote:
>
> Hi all.
>
> Has there been any discussion about POV performance, specifically what
> to avoid to increase performance?
>
> For example, I recently used the City macro to create a 5 X 5 street
> city.
> I then replaced one of the types of cars with a vehicle I designed. The
> vehicle that came with the utility is made up of 4 spheres and two
> super-elipsoids, IIRC. Mine was made up of about 25 object, the basic
> shape created by 10 or so blobs. The speed of rending went _way_ down.
>
> OK, I thought, maybe it's the blobs. I replaced the smooth shaped
> airraft with an angled one for the body. I created the hull with a set
> of intersected planes (a technique I got from the Shapes include
> Octahedron.)
> It went even slower.
>
> I then replaced the hull with a set of boxes, angled to give
> approximately the same shape as with the planes. Some speedup but not
> as much as I hoped, however, the number of objects in the vehicle went
> up. I came to the conclusion that it was probably just the total number
> of objects in the picture that was effecting the processing time.
>
> So, is there a performance guide somewhere that might give hints on how
> to speed up processing? Has it been discussed here (or on one of the
> other POV newsgroups - a quick search didn't produce anything, but I'm
> just looking at the titles).
Try:
http://www.students.tut.fi/~warp/povVFAQ/miscVFAQ.html#renderingspeed
http://www.students.tut.fi/~warp/povVFAQ/miscVFAQ.html#csgspeed
Most of the things you mentioned are explained there.
Possibilities for increasing render speed much depend on the situation,
but it's usually worth trying to change things and see if it improves.
You will also notice that render speed does not only depend on the objects
but also on textures, lighting and other things.
>
> And finally, should this be in a different newsgroup?
It's all right here, for the purpose of the single groups have a look at
povray.announce.frequently-asked-questions
>
> (I have noticed that when I try to create 3d clouds as described in some
> examples, that my pps can drop to 50-60. At that point, unless I really
> want to see the picture, I kill it.)
>
50-60 pps, I wish I had such fast rendering scenes... ;-) Patience is
quite mandatory for working with Povray.
Christoph
--
Christoph Hormann <chr### [at] gmx de>
IsoWood include, radiosity tutorial, TransSkin and other
things on: http://www.schunter.etc.tu-bs.de/~chris/
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"Tom A." wrote:
>
> (I have noticed that when I try to create 3d clouds as described in some
> examples, that my pps can drop to 50-60. At that point, unless I really
> want to see the picture, I kill it.)
That much? Man, you're spoiled. ;)
-Xplo
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> (I have noticed that when I try to create 3d clouds as described in some
> examples, that my pps can drop to 50-60. At that point, unless I really
> want to see the picture, I kill it.)
I take it you never did any raytracing on a 486 then?
;)
Bye for now,
Jamie.
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Jamie Davison wrote:
>
> > (I have noticed that when I try to create 3d clouds as described in some
> > examples, that my pps can drop to 50-60. At that point, unless I really
> > want to see the picture, I kill it.)
>
> I take it you never did any raytracing on a 486 then?
>
> ;)
>
> Bye for now,
> Jamie.
Actually, I did. I think my scenes are becoming more complex and I'm
playing with more parts of POV.
--
Tom A.
See everything; over look a great deal; correct a little. -Blessed Pope
John XXIII
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> Hi all.
>
> Has there been any discussion about POV performance, specifically what
> to avoid to increase performance?
I wish. I'm using povray to render fractals in 3D on an older model mac.
You should hear the 233mhz processor scream when I ask it to manipulate
millions of objects at a time. Sigh...time to optimize.
-- Brandan
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> Hi all.
>
> Has there been any discussion about POV performance, specifically what
> to avoid to increase performance?
I wish. I'm using povray to render fractals in 3D on an older model mac.
You should hear the 233mhz processor scream when I ask it to manipulate
millions of objects at a time. Sigh...time to optimize.
-- Brandan
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"Tom A." <tar### [at] my-dejacom> wrote in message news:3B44EEE9.98096767@my-deja.com...
>
> Jamie Davison wrote:
> >
> > > (I have noticed that when I try to create 3d clouds as described in some
> > > examples, that my pps can drop to 50-60. At that point, unless I really
> > > want to see the picture, I kill it.)
> >
> > I take it you never did any raytracing on a 486 then?
>
> Actually, I did. I think my scenes are becoming more complex and I'm
> playing with more parts of POV.
Oh well, I thought there was the start of a You Know You Haven't Been Ray Tracing Long
Enough theme
going there. Could have been interesting perhaps.
Bob H., the proud owner of a 486 w/o coprocessor at first ray.
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"Bob H." <omn### [at] msncom> wrote :
>
> Bob H., the proud owner of a 486 w/o coprocessor at first ray.
Me too, upgraded to a 486dx100 so that I could render that dolphin model
that I found. That would have been about 1995 or 6...
I think I tried it before, I remember trying something that was supposed
to do 3d art but didn't work on my Tandy 386-25 with 2 mb RAM and I gave up
on it... it could have been DKBTrace or something, that would have been
around 92-3
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On Fri, 6 Jul 2001 00:25:34 -0500, Bob H. wrote:
>Bob H., the proud owner of a 486 w/o coprocessor at first ray.
68000 here. No math coprocessor, no memory management, 512K of memory.
I think I started with DBW-Render, though, and then defected to POV-Ray
when Drew Wells did, then abandoned it for a time to play with TurboSilver
(the predecessor to Imagine) then came back to POV sometime in 1993, this
time to stay.
--
#macro R(L P)sphere{L F}cylinder{L P F}#end#macro P(V)merge{R(z+a z)R(-z a-z)R(a
-z-z-z a+z)torus{1F clipped_by{plane{a 0}}}translate V}#end#macro Z(a F T)merge{
P(z+a)P(z-a)R(-z-z-x a)pigment{rgbf 1}hollow interior{media{emission 3-T}}}#end
Z(-x-x.2x)camera{location z*-10rotate x*90normal{bumps.02scale.05}}
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> > > I take it you never did any raytracing on a 486 then?
> >
> > Actually, I did. I think my scenes are becoming more complex and I'm
> > playing with more parts of POV.
>
> Oh well, I thought there was the start of a You Know You Haven't Been Ray Tracing
Long Enough theme
> going there. Could have been interesting perhaps.
>
> Bob H., the proud owner of a 486 w/o coprocessor at first ray.
I started with a 486SX/25 and 4Mb of RAM...
Bye for now,
Jamie.
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> > > (I have noticed that when I try to create 3d clouds as described in some
> > > examples, that my pps can drop to 50-60. At that point, unless I really
> > > want to see the picture, I kill it.)
> >
> > I take it you never did any raytracing on a 486 then?
> Actually, I did. I think my scenes are becoming more complex and I'm
> playing with more parts of POV.
And you consider 50-60pps to be slow???
You've been spoilt by the advance of technology...
Bye for now,
Jamie.
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Jamie Davison wrote:
> And you consider 50-60pps to be slow???
> You've been spoilt by the advance of technology...
My personal scale ;-)
Too slow : 1 pps = 133 h @ 800*600, 89 days @ 3200*2400
Slow : 5 pps = 27 h @ 800*600, 18 days @ 3200*2400
Almost slow : 10 pps = 13 h @ 800*600, 9 days @ 3200*2400
Fast : 20 pps = 20 h @ 800*600, 4 days @ 3200*2400
Unheard of :100 pps = 80 min @ 800*600, 21 h @ 3200*2400
My renders usually oscillate between "Slow" and "Almost slow". I'm presently in
"Slow".
No amount of technology can fix that, apparently.
G.
--
**********************
http://www.oyonale.com
**********************
Graphic experiments
Pov-ray gallery
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I started with a 486DX with 4Megs of RAM.
It was the Athlon of that time. Then the Pentium was introduced... :)
--
#macro N(D,I)#if(I<6)cylinder{M()#local D[I]=div(D[I],104);M().5,2pigment{
rgb M()}}N(D,(D[I]>99?I:I+1))#end#end#macro M()<mod(D[I],13)-6,mod(div(D[I
],13),8)-3,10>#end blob{N(array[6]{11117333955,
7382340,3358,3900569407,970,4254934330},0)}// - Warp -
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Gilles Tran <tra### [at] inapginrafr> wrote:
: Too slow : 1 pps = 133 h @ 800*600, 89 days @ 3200*2400
: Slow : 5 pps = 27 h @ 800*600, 18 days @ 3200*2400
: Almost slow : 10 pps = 13 h @ 800*600, 9 days @ 3200*2400
: Fast : 20 pps = 20 h @ 800*600, 4 days @ 3200*2400
: Unheard of :100 pps = 80 min @ 800*600, 21 h @ 3200*2400
I must be spoiled as well, as for simple scenes (eg. scenes/advanced/piece3/)
I get more than 10000 pps.
--
#macro N(D,I)#if(I<6)cylinder{M()#local D[I]=div(D[I],104);M().5,2pigment{
rgb M()}}N(D,(D[I]>99?I:I+1))#end#end#macro M()<mod(D[I],13)-6,mod(div(D[I
],13),8)-3,10>#end blob{N(array[6]{11117333955,
7382340,3358,3900569407,970,4254934330},0)}// - Warp -
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In article <3b454b88@news.povray.org>, "Bob H." <omn### [at] msncom>
wrote:
> "Tom A." <tar### [at] my-dejacom> wrote in message
<snip>
> Oh well, I thought there was the start of a You Know You Haven't Been
> Ray Tracing Long Enough theme going there. Could have been interesting
> perhaps.
>
> Bob H., the proud owner of a 486 w/o coprocessor at first ray.
>
>
>
I started out on a 486DX/40 with 4MB of RAM, with barely enough free space on
my hard drive to fit the image files. those were the days :}
--
David
smuchrusher <at> ameritech <dot> net
ICQ#: 118347772
Uptime: 6:10pm up 1 day, 6:49, 0 users, load average: 2.44, 2.28, 2.15
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On Fri, 06 Jul 2001 17:42:06 -0500, David wrote:
>I started out on a 486DX/40 with 4MB of RAM, with barely enough free space on
>my hard drive to fit the image files. those were the days :}
You had a hard drive?
--
#macro R(L P)sphere{L F}cylinder{L P F}#end#macro P(V)merge{R(z+a z)R(-z a-z)R(a
-z-z-z a+z)torus{1F clipped_by{plane{a 0}}}translate V}#end#macro Z(a F T)merge{
P(z+a)P(z-a)R(-z-z-x a)pigment{rgbt 1}hollow interior{media{emission T}}finish{
reflection.1}}#end Z(-x-x.2y)Z(-x-x.4x)camera{location z*-10rotate x*90}
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Gilles wrote:
> My personal scale ;-)
> Too slow : 1 pps = 133 h @ 800*600, 89 days @ 3200*2400
> Slow : 5 pps = 27 h @ 800*600, 18 days @ 3200*2400
> Almost slow : 10 pps = 13 h @ 800*600, 9 days @ 3200*2400
> Fast : 20 pps = 20 h @ 800*600, 4 days @ 3200*2400
> Unheard of :100 pps = 80 min @ 800*600, 21 h @ 3200*2400
This about sums it up for me too - though I generally give up if the render
goes below 4pps or cut the image size to 640x480!
These days with long parse times, radiosity and media it's a slow job to
develop a picture around two to three months.
Mick
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Ron Parker <ron### [at] povrayorg> wrote:
: You had a hard drive?
The first PC I have used was a 8086. I didn't use POV-Ray in it, though.
I have also used a 286 with a really small HD (something like 10 Megs or so)
quite a lot.
--
#macro N(D,I)#if(I<6)cylinder{M()#local D[I]=div(D[I],104);M().5,2pigment{
rgb M()}}N(D,(D[I]>99?I:I+1))#end#end#macro M()<mod(D[I],13)-6,mod(div(D[I
],13),8)-3,10>#end blob{N(array[6]{11117333955,
7382340,3358,3900569407,970,4254934330},0)}// - Warp -
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On 7 Jul 2001 06:39:59 -0400, Warp wrote:
>Ron Parker <ron### [at] povrayorg> wrote:
>: You had a hard drive?
>
> The first PC I have used was a 8086. I didn't use POV-Ray in it, though.
>I have also used a 286 with a really small HD (something like 10 Megs or so)
>quite a lot.
As I mentioned, the first computer I used POV on was an Amiga 500 with (at the
time I was using POV on it) a 68010 running at a little over 7 MHz and 4.5 MB
of RAM (I used DBW-Render on the same machine with a 68000 and 512K of RAM,
though.) It didn't have a hard drive until later in its life, but that didn't
stop me from making some pretty cool images for the time. Unfortunately, I
no longer have a running Amiga to get any of them off of the disks they're
on. I suppose I might be able to mount the HD (a Micropolis 1325 - 72 whole
megabytes!) on a newer machine if I could find a SCSI adapter, though.
--
#local R=<7084844682857967,0787982,826975826580>;#macro L(P)concat(#while(P)chr(
mod(P,100)),#local P=P/100;#end"")#end background{rgb 1}text{ttf L(R.x)L(R.y)0,0
translate<-.8,0,-1>}text{ttf L(R.x)L(R.z)0,0translate<-1.6,-.75,-1>}sphere{z/9e3
4/26/2001finish{reflection 1}}//ron.parker@povray.org My opinions, nobody else's
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On 7 Jul 2001 06:39:59 -0400, Warp <war### [at] tagpovrayorg> wrote:
> The first PC I have used was a 8086. I didn't use POV-Ray in it, though.
>I have also used a 286 with a really small HD (something like 10 Megs or so)
>quite a lot.
Although I used to play some games on a XT in my dad's office, my
first home PC was a 286/12 MHz with 512K RAM, 20 MB HDD and a
paperwhite VGA. This is when I got acquainted to raytracing, compiling
and running the sample raytracer from a book called "3D Raytracing and
Animation." It was very limited, but at the time, all I was thinking
about was chrome spheres.
Ah, those were the days!
Peter Popov ICQ : 15002700
Personal e-mail : pet### [at] vipbg
TAG e-mail : pet### [at] tagpovrayorg
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"Peter Popov" <pet### [at] vipbg> wrote ;
>
> Ah, those were the days!
My -first- computer was a TRS-80 with "advanced color basic". All I did
with it was draw lines to the end of sin/cos pairs to make pretty pictures.
I might have messed around with a few games but I always went back to
trying to make pretty pictures with colored lines.
Foreboding of wasted hours to come...
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Bill DeWitt <bde### [at] cflrrcom> wrote:
: My -first- computer was a TRS-80
Well, if we are talking about first computers, then I have to note that
I said earlier that "the first PC I used was a 8086". However, it wasn't my
first computer.
The first computer ever that I have used was a Spectrum 48k, and the first
computer I have owned was a Spectrum 128k.
I even learned a bit how to code in Spectrum assembler. The intel assembler
is surprisingly similar and so it took me just a few days to learn it.
Of course I'm very young in this matter. I personally know people who have
used computers when they still used punch cards and had no monitors of any kind
(everything was printed on paper).
--
#macro N(D,I)#if(I<6)cylinder{M()#local D[I]=div(D[I],104);M().5,2pigment{
rgb M()}}N(D,(D[I]>99?I:I+1))#end#end#macro M()<mod(D[I],13)-6,mod(div(D[I
],13),8)-3,10>#end blob{N(array[6]{11117333955,
7382340,3358,3900569407,970,4254934330},0)}// - Warp -
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Warp wrote:
> Of course I'm very young in this matter. I personally know people who have
> used computers when they still used punch cards and had no monitors of any kind
> (everything was printed on paper).
I have used a punch card computer. Man, I feel old!
--
Ken Tyler
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Mick Hazelgrove wrote:
> These days with long parse times, radiosity and media it's a slow job to
> develop a picture around two to three months.
I really know the feeling. I just finished a 2400*3200 version of my April IRTC
pic and before that I finished a 3000*1200 version of the December IRTC image.
I somehow managed to render some smaller stuff (2-3 days each) between. On
Friday, I've started a render that has been crawling for 3 days but should pick
up speed and finish around July 20. Meanwhile I'm working on something nice at
5 pps that I will render in August. I don't think my computer will get a day
(and night) off until September.
G.
--
**********************
http://www.oyonale.com
**********************
Graphic experiments
Pov-ray gallery
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On 8 Jul 2001 13:26:25 -0400, Warp <war### [at] tagpovrayorg> wrote:
> Well, if we are talking about first computers, then I have to note that
>I said earlier that "the first PC I used was a 8086". However, it wasn't my
>first computer.
Mine neither.
> The first computer ever that I have used was a Spectrum 48k, and the first
>computer I have owned was a Spectrum 128k.
Mine was a Bulgarian Apple II clone plugged into our b&w TV.
> I even learned a bit how to code in Spectrum assembler. The intel assembler
>is surprisingly similar and so it took me just a few days to learn it.
I had lotsa fun with the Apple II assembler cracking various games for
endless lives etc. The build-in debugger helped a great deal.
> Of course I'm very young in this matter. I personally know people who have
>used computers when they still used punch cards and had no monitors of any kind
>(everything was printed on paper).
I have, and I am not that old. In fact, one of my term projects that
I'll be finishing tomorrow requires the use of such a computer.
I have also used a MiniVax under VMS for a while, as the Uni's email
system used to be based on one. Thankfully, it's on Linux now. I have
internet and e-mail at home now, but back then, when these were still
luxuries, things were different. Gee, I've even used FTPMail!
Peter Popov ICQ : 15002700
Personal e-mail : pet### [at] vipbg
TAG e-mail : pet### [at] tagpovrayorg
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Gilles Tran wrote:
>
> I really know the feeling. I just finished a 2400*3200 version of my April IRTC
> pic and before that I finished a 3000*1200 version of the December IRTC image.
> I somehow managed to render some smaller stuff (2-3 days each) between. On
> Friday, I've started a render that has been crawling for 3 days but should pick
> up speed and finish around July 20. Meanwhile I'm working on something nice at
> 5 pps that I will render in August. I don't think my computer will get a day
> (and night) off until September.
Hehe, yeah. I'm stuck with the family computer, so it's always "It says
rendering!"-"Pause it then!"-"Where's that?" when I want to do a long
render. Then they forget to unpause it... :0 :)
--
David Fontaine <dav### [at] faricynet> ICQ 55354965
My raytracing gallery: http://davidf.faricy.net/
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"David Fontaine" <dav### [at] faricynet> wrote in message
news:3B4A58F4.EF90AEEF@faricy.net...
>
> Hehe, yeah. I'm stuck with the family computer, so it's always "It says
> rendering!"-"Pause it then!"-"Where's that?" when I want to do a long
> render. Then they forget to unpause it... :0 :)
>
Run it in the taskbar and just tell them that the program they're running is a
real resource hog. Works for me...
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Would that have been an Amiga by chance?
Ron Parker wrote:
>
> On Fri, 6 Jul 2001 00:25:34 -0500, Bob H. wrote:
> >Bob H., the proud owner of a 486 w/o coprocessor at first ray.
>
> 68000 here. No math coprocessor, no memory management, 512K of memory.
> I think I started with DBW-Render, though, and then defected to POV-Ray
> when Drew Wells did, then abandoned it for a time to play with TurboSilver
> (the predecessor to Imagine) then came back to POV sometime in 1993, this
> time to stay.
>
> --
> #macro R(L P)sphere{L F}cylinder{L P F}#end#macro P(V)merge{R(z+a z)R(-z a-z)R(a
> -z-z-z a+z)torus{1F clipped_by{plane{a 0}}}translate V}#end#macro Z(a F T)merge{
> P(z+a)P(z-a)R(-z-z-x a)pigment{rgbf 1}hollow interior{media{emission 3-T}}}#end
> Z(-x-x.2x)camera{location z*-10rotate x*90normal{bumps.02scale.05}}
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The first "PC" that I had was no pc at all: used a z80 chip, had all of
2k and a audio tape drive. Still did funny graphics on it.
Warp wrote:
>
> Ron Parker <ron### [at] povrayorg> wrote:
> : You had a hard drive?
>
> The first PC I have used was a 8086. I didn't use POV-Ray in it, though.
> I have also used a 286 with a really small HD (something like 10 Megs or so)
> quite a lot.
>
> --
> #macro N(D,I)#if(I<6)cylinder{M()#local D[I]=div(D[I],104);M().5,2pigment{
> rgb M()}}N(D,(D[I]>99?I:I+1))#end#end#macro M()<mod(D[I],13)-6,mod(div(D[I
> ],13),8)-3,10>#end blob{N(array[6]{11117333955,
> 7382340,3358,3900569407,970,4254934330},0)}// - Warp -
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Cool! You are the first Spectrum owner that I have heard of. Knew of it,
just never had the money at the time.
Warp wrote:
>
> Bill DeWitt <bde### [at] cflrrcom> wrote:
> : My -first- computer was a TRS-80
>
> Well, if we are talking about first computers, then I have to note that
> I said earlier that "the first PC I used was a 8086". However, it wasn't my
> first computer.
> The first computer ever that I have used was a Spectrum 48k, and the first
> computer I have owned was a Spectrum 128k.
>
> I even learned a bit how to code in Spectrum assembler. The intel assembler
> is surprisingly similar and so it took me just a few days to learn it.
>
> Of course I'm very young in this matter. I personally know people who have
> used computers when they still used punch cards and had no monitors of any kind
> (everything was printed on paper).
>
> --
> #macro N(D,I)#if(I<6)cylinder{M()#local D[I]=div(D[I],104);M().5,2pigment{
> rgb M()}}N(D,(D[I]>99?I:I+1))#end#end#macro M()<mod(D[I],13)-6,mod(div(D[I
> ],13),8)-3,10>#end blob{N(array[6]{11117333955,
> 7382340,3358,3900569407,970,4254934330},0)}// - Warp -
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On Tue, 10 Jul 2001 08:53:33 -0800, Mr. Art wrote:
>Would that have been an Amiga by chance?
Of course. A500, specifically, though my brother has an A1000 somewhere he
got used some years later. I have an A2000 in the corner of my office, too,
but the poor GForce '030 card has seen better days and refuses to boot.
(Yes, that's right, the term "GForce" had already been around the block a
few times before the GeForce video cards came out.)
--
#local R=rgb 99;#local P=R-R;#local F=pigment{gradient x}box{0,1pigment{gradient
y pigment_map{[.5F pigment_map{[.3R][.3F color_map{[.15red 99][.15P]}rotate z*45
translate x]}]#local H=pigment{gradient y color_map{[.5P][.5R]}scale 1/3}[.5F
pigment_map{[.3R][.3H][.7H][.7R]}]}}}camera{location.5-3*z}//only my opinions
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"Mr. Art" <mra### [at] chesapeakenet> wrote in message
news:3B4B34B2.CA084ED5@chesapeake.net...
> Cool! You are the first Spectrum owner that I have heard of.
Most of us just don't talk about it much....
(First computer owned (well it was the 'family computer' but no one else
used it ) : Spectrum +3)
--
Scott Hill
Software Engineer.
E-Mail : sco### [at] innocentcom
Pandora's Box : http://www.pandora-software.com
*Everything in this message/post is purely IMHO and no-one-else's*
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On Tue, 10 Jul 2001 15:29:33 +0100, Scott Hill wrote:
>"Mr. Art" <mra### [at] chesapeakenet> wrote in message
>news:3B4B34B2.CA084ED5@chesapeake.net...
>> Cool! You are the first Spectrum owner that I have heard of.
>
> Most of us just don't talk about it much....
>
>(First computer owned (well it was the 'family computer' but no one else
>used it ) : Spectrum +3)
My first computer was a Timex/Sinclair 1000. If memory serves, it was
essentially the same hardware as the Sinclair ZX-81, but with 2K of RAM
instead of 1K. I have a ZX-81 in a box in the garage, too. I even have
the flaky 16K RAM expansion and (I think) the thermal printer.
--
#macro R(L P)sphere{L F}cylinder{L P F}#end#macro P(V)merge{R(z+a z)R(-z a-z)R(a
-z-z-z a+z)torus{1F clipped_by{plane{a 0}}}translate V}#end#macro Z(a F T)merge{
P(z+a)P(z-a)R(-z-z-x a)pigment{rgbt 1}hollow interior{media{emission T}}finish{
reflection.1}}#end Z(-x-x.2y)Z(-x-x.4x)camera{location z*-10rotate x*90}
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"Ron Parker" <ron### [at] povrayorg> wrote in message
news:slr### [at] fwicom...
>
> My first computer was a Timex/Sinclair 1000. If memory serves, it was
> essentially the same hardware as the Sinclair ZX-81, but with 2K of RAM
> instead of 1K. I have a ZX-81 in a box in the garage, too. I even have
> the flaky 16K RAM expansion and (I think) the thermal printer.
That was my first as well, might remember me saying before, and I was
thinking Mr. Art here has one too. Mine still sits in the corner of a
bookshelf with a few tapes and the 16K module.
I used to look at the 2000 model in magazines thinking I might get one with
color output one day, but by then I realized they were pretty limited in
hardware. Kind of a notebook PC of their day though if it weren't for
needing a television.
I can never forget how one of my nieces ran around the dining room table
while I programmed the last lines of a bunch of code for planet orbits,
which was being copied from a book (thank goodness!), and she ran into the
power wire pulling the plug out of the wall. Was also my first encounter
with a computing *disaster*.
Bob H.
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On Tue, 10 Jul 2001 09:38:59 +0100, "Tom Melly" <tom### [at] tomandlucouk>
wrote:
>Run it in the taskbar and just tell them that the program they're running is a
>real resource hog. Works for me...
Better yet, put it in the task bar, then make Explorer crash (it will
resurrect, don't worry) and lose its system tray.
Peter Popov ICQ : 15002700
Personal e-mail : pet### [at] vipbg
TAG e-mail : pet### [at] tagpovrayorg
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Still have mine also. It sits on the desk amidst the junk that makes
up my privet domain. 'Spose it still works, just never plug it up.
Ron Parker wrote:
>
> On Tue, 10 Jul 2001 15:29:33 +0100, Scott Hill wrote:
> >"Mr. Art" <mra### [at] chesapeakenet> wrote in message
> >news:3B4B34B2.CA084ED5@chesapeake.net...
> >> Cool! You are the first Spectrum owner that I have heard of.
> >
> > Most of us just don't talk about it much....
> >
> >(First computer owned (well it was the 'family computer' but no one else
> >used it ) : Spectrum +3)
>
> My first computer was a Timex/Sinclair 1000. If memory serves, it was
> essentially the same hardware as the Sinclair ZX-81, but with 2K of RAM
> instead of 1K. I have a ZX-81 in a box in the garage, too. I even have
> the flaky 16K RAM expansion and (I think) the thermal printer.
>
> --
> #macro R(L P)sphere{L F}cylinder{L P F}#end#macro P(V)merge{R(z+a z)R(-z a-z)R(a
> -z-z-z a+z)torus{1F clipped_by{plane{a 0}}}translate V}#end#macro Z(a F T)merge{
> P(z+a)P(z-a)R(-z-z-x a)pigment{rgbt 1}hollow interior{media{emission T}}finish{
> reflection.1}}#end Z(-x-x.2y)Z(-x-x.4x)camera{location z*-10rotate x*90}
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Jamie Davison <jam### [at] ntlworldcom> wrote in message
news:MPG.15afe598f11fd32e989998@news.povray.org...
> > > > I take it you never did any raytracing on a 486 then?
> > >
> > > Actually, I did. I think my scenes are becoming more complex and I'm
> > > playing with more parts of POV.
> >
> > Oh well, I thought there was the start of a You Know You Haven't Been
Ray Tracing Long Enough theme
> > going there. Could have been interesting perhaps.
> >
> > Bob H., the proud owner of a 486 w/o coprocessor at first ray.
>
> I started with a 486SX/25 and 4Mb of RAM...
Ditto. I remember my first upgrade, just switched the chip to a DX/33.
"Wow", I thought, "that math coprocessor really makes it fly!" I also
remember the first time I saw triple digits on the PPS counter :)
...Chambers
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Ken <tyl### [at] pacbellnet> wrote in message
news:3B4### [at] pacbellnet...
>
>
> Warp wrote:
>
> > Of course I'm very young in this matter. I personally know people who
have
> > used computers when they still used punch cards and had no monitors of
any kind
> > (everything was printed on paper).
>
> I have used a punch card computer. Man, I feel old!
How long did it take to render skyvase on that thing?
...Chambers
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> > I started with a 486SX/25 and 4Mb of RAM...
>
> Ditto. I remember my first upgrade, just switched the chip to a DX/33.
> "Wow", I thought, "that math coprocessor really makes it fly!" I also
> remember the first time I saw triple digits on the PPS counter :)
I switched straight to a DX2/66 and that was my first encounter with POV,
so I never suffered through it without a co-pro :)
Bye for now,
Jamie.
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