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From: Bob Hughes
Subject: Re: Lighthouse Scene
Date: 8 Feb 1999 03:42:23
Message: <36BEA34C.586A9A43@aol.com>
Yes, yes, I know it was originally Darcy who posted a lighthouse that
"appeared" tilted. Better keep those analytical mind gears greased or
there might be a grinding halt later. j/k

Ken, you sure seem to have something there about looking at the center
of the picture to make the lighthouse seem correct. In fact if I look
all the way from left to the right it changes the lean dramatically. Or
is that an illusion too? Oh yeah, of course, definition of illusion is
to appear differently than actually is.

Mark, about Netscape (using Communicator 4.5 here) and turning off html
posting, think you just go to Edit/Preferences then
Mail&Newsgroups/Formatting and click the radio button next to "Use the
plain text editor to compose messages" under the Message Formatting. May
be similar if other version too.
And adding an image to a posting is done with File/Attach/File... in the
menu or Attach button on toolbar of , once again, Communicator. Don't
suppose you are actually reading and posting directly from Netscape
alone anyway, or are you?
But then, if I get here through the news://news.povray.org/ url and try
to post a message I get Communicator again here, which then uses the
same procedure I just described above.


Mark Palmquist wrote:
> 
> nope, just default type 1.  I will experiment more with scattering types
> and see what develops.  Thanks for the insight, and about the tilt, it's an
> illusion as can be seen from the source :), does look like leaning tower of
> pizza though !:)!
> 
> Bob Hughes wrote:
> 
> > I see you're keeping the tilted lighthouse though ;)
> > Spiders may be right, and maybe not. The beam crosses nearly
> > perpendicular, I would suppose, to the observer due to the perspective
> > camera angle. This would be seen as a much diminished beam at such a
> > point. Are you using 'scattering' type 5? If not, you might want to try
> > it out, and set 'eccentricity' to greater than 0.

-- 
 omniVERSE: beyond the universe
  http://members.aol.com/inversez/POVring.htm
=Bob


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From: Ken
Subject: Re: Lighthouse Scene
Date: 8 Feb 1999 06:43:00
Message: <36BECD82.B5A44763@pacbell.net>
Mark Palmquist wrote:
> 
> Sorry about posting the image in the post, in netscape how to attach
> pictures?,  not in the menus that I could find.

When in the composer window of netscape there is a
toolbar available with send, quote, address, ATTACH, etc...

Hit the attach button and a dialog will pop up asking if you want
to attach a file, address card, or a web page, Choose file and
a standard directory search dialog pops up. You need only
find your file and send the message. The program does the rest.

-- 
Ken Tyler

tyl### [at] pacbellnet


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From: Spider
Subject: Re: Lighthouse Scene
Date: 8 Feb 1999 12:25:55
Message: <36BEC187.B26BCAFB@bahnhof.se>
How to :
Edit->Preferences ->Mail&News->Formatting->
	*Use plain text editor
	*Convert into plain text
As for attachments, there is a button next to Adress and options, as
well as a tab beneath the address fields. 
it can also be reached thru View-> *Attachments

//Spider
Mark Palmquist wrote:
> 
> Sorry about posting the image in the post, in netscape how to attach
> pictures?,  not in the menus that I could find.
> 
> I agree, this was mostly an image for the 'beam' the lighthouse was for
> reference only.
> 
> Spider wrote:
> 
> > Very nice image, and I agree with you on the light, but I'd make it go
> > even further out, since it is not a very good comparison wiht the
> > lighthouse and the length of the beam..
> >
> > Can you please post with all images as attachments, and with only plain
> > text when you send ?
> > There has been much argumants about this erlier, and several of the
> > people on the newsgroup has readers that don't support html, or pay by
> > the minute, and therefore is put at an disadvangtage when you post like
> > this..
> >
> > //Spider
> >
> > Mark Palmquist wrote:
> > >
> > > I was inspired by your post to start playing with media, I came up
> > > with the following scene (very sparce) with what I think the beam
> > > should look like.
> > >
> > > Would anyone like to comment on the beam effect?  any ideas are
> > > welcome.
> > >
> > > [Image]
> > >
> > > the source:
> > >
> > > //begin*******************************
> > >
> > > // Persistence of Vision Ray Tracer Scene Description File
> > > // File: lighthouse.pov
> > > // Vers: 3.1
> > > // Desc: spotlight/media interaction test
> > > // Date: 02/07/99
> > > // Auth: Mark Palmquist
> > > // uses bricks.inc by Jeff Lee
> > > //
> > > #include "colors.inc"
> > > #include "metals.inc"
> > > #include "glass.inc"
> > >
> > >
> > > camera {location < 0, 16, -600>
> > >   right 4/3*x
> > >   up y
> > >   direction z
> > >   angle 65
> > >   look_at <0, 105, 0>
> > > }
> > >
> > > light_source { <150, 500, 500>
> > >   color rgb 2
> > >   media_interaction off
> > >   //shadowless
> > > }
> > >
> > > #declare Lightbulb = union {
> > >     merge {
> > >       sphere { <0,0,0>,1 }
> > >       cylinder { <0,0,1>, <0,0,0>, 1
> > >         scale <0.35, 0.35, 1.0>
> > >         translate  0.5*z
> > >       }
> > >       texture {
> > >         pigment {color rgb <1, 1, 1>}
> > >         finish {ambient .8 diffuse .6}
> > >       }
> > >     }
> > >     cylinder { <0,0,1>, <0,0,0>, 1
> > >       scale <0.4, 0.4, 0.5>
> > >       texture { T_Brass_1A }
> > >       translate  1.5*z
> > >     }
> > >     //rotate -90*x
> > >     scale 2
> > > }
> > > #declare beam=
> > > union{
> > >   light_source { <0, .1, 0> color rgb<1, 1, 1>*4
> > >     spotlight
> > >     point_at <0, 10, 0>
> > >     radius 1
> > >     falloff 8
> > >     media_attenuation on
> > >     looks_like {Lightbulb}
> > >     }
> > >   cone {<0,0,0>, 0, <0,1000,0>, 360 open hollow interior {media
> > >      {
> > >       intervals 43
> > >       absorption .01
> > >       scattering {1, rgb 0.02}
> > >       samples 1, 10
> > >       confidence 0.9999
> > >       variance 1/1000
> > >       ratio 0.9
> > >      }
> > >      }
> > >      pigment{Clear}
> > >   }
> > >   rotate <0,0,-93>
> > > }
> > >
> > > #declare newBrickMidtone=colour rgb <0.60,0.60,0.60>
> > > #declare newBrickHighlight=colour rgb <0.75,0.70,0.70>
> > > #declare newBrickLowlight=colour rgb <0.35,0.35,0.35>
> > > #include "bricks.inc" //Author: Jeff Lee
> > >
> > > #declare lighthouse=
> > > union{
> > >   object { beam translate <12.1,110,0>}
> > >   cone {<0,0,0>, 20, <0,100,0>, 15 texture { T_newBrick scale
> > > <1,2,18>}}
> > >   merge{
> > >     cylinder{  100*y,  120*y,  12 texture {T_Glass3}}
> > >     difference {
> > >       sphere { 120*y, 12}
> > >       box { <-15,100,-15>  <-15,120,-15>}
> > >       texture {T_Brass_3C}
> > >     }
> > >   }
> > > }
> > >
> > > object {lighthouse translate <-200,0,0>}
> > >
> > > //end*******************************
> > >
> > > Darcy Johnston wrote:
> > >
> > > > Well, some time ago, I posted an image depicting my model of the
> > > > Hatteras
> > > > lighthouse. Here it is again in a scene.
> > > >
> > > > Please let me know what you think of it.
> > > > Thanks,
> > > > Darcy
> > > > djo### [at] inamecomNOSPAM
> > > > http://www.geocities.com/SiliconValley/Sector/4317
> > >
> > >


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From: Spider
Subject: Re: Lighthouse Scene
Date: 8 Feb 1999 12:25:58
Message: <36BEC1CF.62188089@bahnhof.se>
Spiders are always right, they are insects!

//Spider

Bob Hughes wrote:
> 
> I see you're keeping the tilted lighthouse though ;)
> Spiders may be right, and maybe not. The beam crosses nearly
> perpendicular, I would suppose, to the observer due to the perspective
> camera angle. This would be seen as a much diminished beam at such a
> point. Are you using 'scattering' type 5? If not, you might want to try
> it out, and set 'eccentricity' to greater than 0.
> 
> Mark Palmquist wrote:
> >
> > I was inspired by your post to start playing with media, I came up
> > with the following scene (very sparce) with what I think the beam
> > should look like.
> >
> > Would anyone like to comment on the beam effect?  any ideas are
> > welcome.
> >
> > [Image]
> >
> > the source:
> >
> > //begin*******************************
> >
> > // Persistence of Vision Ray Tracer Scene Description File
> > // File: lighthouse.pov
> > // Vers: 3.1
> > // Desc: spotlight/media interaction test
> > // Date: 02/07/99
> > // Auth: Mark Palmquist
> > // uses bricks.inc by Jeff Lee
> > //
> > #include "colors.inc"
> > #include "metals.inc"
> > #include "glass.inc"
> >
> >
> > camera {location < 0, 16, -600>
> >   right 4/3*x
> >   up y
> >   direction z
> >   angle 65
> >   look_at <0, 105, 0>
> > }
> >
> > light_source { <150, 500, 500>
> >   color rgb 2
> >   media_interaction off
> >   //shadowless
> > }
> >
> > #declare Lightbulb = union {
> >     merge {
> >       sphere { <0,0,0>,1 }
> >       cylinder { <0,0,1>, <0,0,0>, 1
> >         scale <0.35, 0.35, 1.0>
> >         translate  0.5*z
> >       }
> >       texture {
> >         pigment {color rgb <1, 1, 1>}
> >         finish {ambient .8 diffuse .6}
> >       }
> >     }
> >     cylinder { <0,0,1>, <0,0,0>, 1
> >       scale <0.4, 0.4, 0.5>
> >       texture { T_Brass_1A }
> >       translate  1.5*z
> >     }
> >     //rotate -90*x
> >     scale 2
> > }
> > #declare beam=
> > union{
> >   light_source { <0, .1, 0> color rgb<1, 1, 1>*4
> >     spotlight
> >     point_at <0, 10, 0>
> >     radius 1
> >     falloff 8
> >     media_attenuation on
> >     looks_like {Lightbulb}
> >     }
> >   cone {<0,0,0>, 0, <0,1000,0>, 360 open hollow interior {media
> >      {
> >       intervals 43
> >       absorption .01
> >       scattering {1, rgb 0.02}
> >       samples 1, 10
> >       confidence 0.9999
> >       variance 1/1000
> >       ratio 0.9
> >      }
> >      }
> >      pigment{Clear}
> >   }
> >   rotate <0,0,-93>
> > }
> >
> > #declare newBrickMidtone=colour rgb <0.60,0.60,0.60>
> > #declare newBrickHighlight=colour rgb <0.75,0.70,0.70>
> > #declare newBrickLowlight=colour rgb <0.35,0.35,0.35>
> > #include "bricks.inc" //Author: Jeff Lee
> >
> > #declare lighthouse=
> > union{
> >   object { beam translate <12.1,110,0>}
> >   cone {<0,0,0>, 20, <0,100,0>, 15 texture { T_newBrick scale
> > <1,2,18>}}
> >   merge{
> >     cylinder{  100*y,  120*y,  12 texture {T_Glass3}}
> >     difference {
> >       sphere { 120*y, 12}
> >       box { <-15,100,-15>  <-15,120,-15>}
> >       texture {T_Brass_3C}
> >     }
> >   }
> > }
> >
> > object {lighthouse translate <-200,0,0>}
> >
> > //end*******************************
> >
> > Darcy Johnston wrote:
> >
> > > Well, some time ago, I posted an image depicting my model of the
> > > Hatteras
> > > lighthouse. Here it is again in a scene.
> > >
> > > Please let me know what you think of it.
> > > Thanks,
> > > Darcy
> > > djo### [at] inamecomNOSPAM
> > > http://www.geocities.com/SiliconValley/Sector/4317
> >
> >
> 
> --
>  omniVERSE: beyond the universe
>   http://members.aol.com/inversez/POVring.htm
> =Bob


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From: Ken
Subject: Re: Lighthouse Scene
Date: 8 Feb 1999 12:39:49
Message: <36BF2127.7FB7F930@pacbell.net>
Spider wrote:
> 
> Spiders are always right, they are insects!

Spiders are not insects !

Well maybe the Spider that hangs out around here is an
insect but real spiders are not.

 Spiders are arachnids. There is a fundamental difference
the most recognizable of which being the number of legs.
Insects can be identified by having six legs and the spider
with eight. There are other differences like mandibular
construction and specialize silk glands but they are not as
easily identifiable.

--
Ken Tyler


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From: Spider
Subject: Re: Lighthouse Scene
Date: 8 Feb 1999 13:50:03
Message: <36BF30A8.6F2ABC50@bahnhof.se>
I bow to your great wisdom, Ken.

Sorry, but I should have said, netweavers .-)
But, you are right, there are sipders that don't weave as well..

//Spider

Ken wrote:
> 
> Spider wrote:
> >
> > Spiders are always right, they are insects!
> 
> Spiders are not insects !
> 
> Well maybe the Spider that hangs out around here is an
> insect but real spiders are not.
> 
>  Spiders are arachnids. There is a fundamental difference
> the most recognizable of which being the number of legs.
> Insects can be identified by having six legs and the spider
> with eight. There are other differences like mandibular
> construction and specialize silk glands but they are not as
> easily identifiable.
> 
> --
> Ken Tyler


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From: Darcy Johnston
Subject: Re: Lighthouse Scene
Date: 8 Feb 1999 19:53:26
Message: <36bf8706.0@news.povray.org>
Mark Palmquist wrote in message <36BE9295.A319DC04@earthlink.net>...
>Yes, Darcy did create the original image, I hope this will clear that up.
>
>Sorry Darcy if they thought it was my scene originally.


Not a problem. I'd also like to thank you for offering your code to help
with the light problem I was having. Thing have been hectic around here
lately and I haven't had a chance to really try and fix the scene. With your
help, I'm sure to have it licked much sooner.

Thanks again to everyone,
Darcy
djo### [at] inamecomNOSPAM
http://www.geocities.com/SiliconValley/Sector/4317


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From: Mark Palmquist
Subject: Re: Lighthouse Scene
Date: 9 Feb 1999 21:43:21
Message: <36C0F3B2.FF9A23E4@earthlink.net>
Thank's everyone, had the toolbar hidden, now has paperclip icon, DOH :)

Ken wrote:

> Mark Palmquist wrote:
> >
> > Sorry about posting the image in the post, in netscape how to attach
> > pictures?,  not in the menus that I could find.
>
> When in the composer window of netscape there is a
> toolbar available with send, quote, address, ATTACH, etc...
>
> Hit the attach button and a dialog will pop up asking if you want
> to attach a file, address card, or a web page, Choose file and
> a standard directory search dialog pops up. You need only
> find your file and send the message. The program does the rest.
>
> --
> Ken Tyler
>
> tyl### [at] pacbellnet


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From: JM
Subject: Re: Lighthouse Scene
Date: 11 Feb 1999 21:04:17
Message: <36C38BB5.21454A09@diac.com>
Whoa! A lighthouse!  I've been working on one also... check it out..


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Attachments:
Download 'scene.jpg' (63 KB)

Preview of image 'scene.jpg'
scene.jpg


 

From: Bob Hughes
Subject: Re: Lighthouse Scene
Date: 11 Feb 1999 22:45:41
Message: <36C3A3B3.1D797EDF@aol.com>
The perspective camera causes a lot of distortion, had you thought about
using a smaller 'angle' or larger 'direction' coupled with a more
distant camera? The beam appears too dense at the brightest point, to me
anyway.
Good looking image though. Yours is showing more visible scenery than
the other two lighthouses posted here so far and the model looks good
but Darcy's wins my vote for the texturing award.

JM wrote:
> 
> Whoa! A lighthouse!  I've been working on one also... check it out..
> 
>   ------------------------------------------------------------------------
>  [Image]

-- 
 omniVERSE: beyond the universe
  http://members.aol.com/inversez/POVring.htm
 mailto:inv### [at] aolcom?PoV


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