POV-Ray : Newsgroups : povray.binaries.utilities : Mesh Utilities Server Time
3 Jul 2024 05:51:47 EDT (-0400)
  Mesh Utilities (Message 1 to 5 of 5)  
From: Rick Borton
Subject: Mesh Utilities
Date: 21 Apr 1999 19:54:20
Message: <371E5656.768B5150@flash.net>
Has anyone ever heard of a utility that would allow you to overlay a
mesh on an existing picture, and then start manipulating the mesh to
create a 3D mesh of the scene? I was thinking that something like this
would make it very easy to recreate some one's face/head etc.... for a
raytraced scene. Output preferably for POV, but any of the files that
can be converted to POV would be acceptable. Or am I just laying out the
requirements for a project down the road?

Thanks
Rick Borton


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From: Ken
Subject: Re: Mesh Utilities
Date: 22 Apr 1999 02:23:32
Message: <371EB2A1.A787B44C@pacbell.net>
Rick Borton wrote:
> 
> Has anyone ever heard of a utility that would allow you to overlay a
> mesh on an existing picture, and then start manipulating the mesh to
> create a 3D mesh of the scene? I was thinking that something like this
> would make it very easy to recreate some one's face/head etc.... for a
> raytraced scene. Output preferably for POV, but any of the files that
> can be converted to POV would be acceptable. Or am I just laying out the
> requirements for a project down the road?
> 
> Thanks
> Rick Borton



  Take a look at my links page. There are two programs listed that will make
 a 3d object from 2 - 2d images (you need at least a front and profile image).

 One of the programs listed is free and costs nothing to use. The second
is I believe registerware with a demo available for evaluation. I don't
remember their names off hand but the free program is called someing like
Real3d20 or a simular sounding program name.

  They differ from your disription in that you load an image into the
program and isometricaly map out the contours of the surface you are
attempting to recreate. These types of systems are more commomly used
to re-create 3d surface representations of objects that no longer have
the original design drawing available. If your equipment breaks and you
need to manufacture a new part for complex geometries it can be quickly
mapped out with this program and then the model imported into a commercial
grade cad package for measurement calculations.

 I just happens to have the unique ability to satisfy other fields
of interest as well. If you are at all familiar with some of the
better known morphing programs out there you should be able to use
this program right out of the box. If you have done no morphing
then it will take a while to familiarize yourself with the iso
surface mapping operations. I don't remember either if it directly
supports Pov but it's a possiblity. I'm sure that it at least
exports to .dxf of which there are dozens of conversion utilities
that exsist to translate it to Pov code.

http://home.pacbell.net/tylereng/index.html


Ken's hot tip of the night:

   Height fields can also create a reasonable likeness of human physiologies.
See my tutorial on the subject in the povray.binaries.tutorials newsgroup.

-- 
Ken Tyler

mailto://tylereng@pacbell.net


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From: Bob Hughes
Subject: Re: Mesh Utilities
Date: 22 Apr 1999 03:31:49
Message: <371EC22D.9795C2F5@aol.com>
You may want to add another link to your list Ken if you don't already
have this one. Or at least take a look here:

 http://www.3dlinks.com/tools_converters.cfm

I've used gif2dxf before but the results were strange to me. Never
figured what use it was. However there is another program mentioned
there that does the 2D to 3D conversion.


Ken wrote:
> 
> Rick Borton wrote:
> >
> > Has anyone ever heard of a utility that would allow you to overlay a
> > mesh on an existing picture, and then start manipulating the mesh to
> > create a 3D mesh of the scene? I was thinking that something like this
> > would make it very easy to recreate some one's face/head etc.... for a
> > raytraced scene. Output preferably for POV, but any of the files that
> > can be converted to POV would be acceptable. Or am I just laying out the
> > requirements for a project down the road?
> >
> > Thanks
> > Rick Borton
> 
>   Take a look at my links page. There are two programs listed that will make
>  a 3d object from 2 - 2d images (you need at least a front and profile image).
> 
>  One of the programs listed is free and costs nothing to use. The second
> is I believe registerware with a demo available for evaluation. I don't
> remember their names off hand but the free program is called someing like
> Real3d20 or a simular sounding program name.
> 
>   They differ from your disription in that you load an image into the
> program and isometricaly map out the contours of the surface you are
> attempting to recreate. These types of systems are more commomly used
> to re-create 3d surface representations of objects that no longer have
> the original design drawing available. If your equipment breaks and you
> need to manufacture a new part for complex geometries it can be quickly
> mapped out with this program and then the model imported into a commercial
> grade cad package for measurement calculations.
> 
>  I just happens to have the unique ability to satisfy other fields
> of interest as well. If you are at all familiar with some of the
> better known morphing programs out there you should be able to use
> this program right out of the box. If you have done no morphing
> then it will take a while to familiarize yourself with the iso
> surface mapping operations. I don't remember either if it directly
> supports Pov but it's a possiblity. I'm sure that it at least
> exports to .dxf of which there are dozens of conversion utilities
> that exsist to translate it to Pov code.
> 
> http://home.pacbell.net/tylereng/index.html
> 
> Ken's hot tip of the night:
> 
>    Height fields can also create a reasonable likeness of human physiologies.
> See my tutorial on the subject in the povray.binaries.tutorials newsgroup.
> 
> --
> Ken Tyler
> 
> mailto://tylereng@pacbell.net

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


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From: Ken
Subject: Re: Mesh Utilities
Date: 22 Apr 1999 07:11:37
Message: <371EF575.AF301A32@pacbell.net>
Bob Hughes wrote:
> 
> You may want to add another link to your list Ken if you don't already
> have this one. Or at least take a look here:
> 
>  http://www.3dlinks.com/tools_converters.cfm
> 
> I've used gif2dxf before but the results were strange to me. Never
> figured what use it was. However there is another program mentioned
> there that does the 2D to 3D conversion.



   I am personaly aware of about 20 different 2D - 3D programs like
 this but the majority are in the super dollar price range. I will
 of course go take a look at it and if it meets y criteria for
 bookmarking I is either already on the list or will be added as
 needed. I seldom bookmark sites or products that will cost me or
 one of my visitors money to evaluate or own the software, products,
 or information at that site. I really should rename my site to
 "Stingy Joes" or something like it.

 The banner would read:

  "If your are so tight fisted stingy with your money that you would
   rather make it yourself than pay another person to do it for you
   then you are probably in the right place."

   That pretty well sums up my current bookmarking policies and is
 an indication of my personal spending habits as well. I actually
 go into stores out here in California and bicker with the proprieters
 over the prices of their merchandise. I even succeed at getting my
 purchases for a lower price than that listed from time to time.
 It can be a very satisfying experience indeed.


   The gif2dxf converters are for importing black and white 2D drawings
 into cad programs like Auto Cad. They were never intended to be used
 to make a 3D object with. The technical reasons you would need such a
 converter would take longer than I care to take to explain. Suffice
 it to say that not all .dxf files are 3D constructs.

   In fact the .dxf file format was originated as a way to transfer
 standard construction drawings between companies that have AutoCad
 design services and companies the only needed a way to recieve a
 file from their design house. They then used the file for plotting
 the data once it was recieved. The .dxf file format allowed for this
 and the end user did not have to own a copy of AutoCad to plot their
 drawings out to paper.

    Occassional loss of software files resulted in the need of a
 method to recover the data on the drawings back into a format that
 could be used to salvage it for future design considerations inside
 a CAD software package. gif2dxf was born as were a host of other
 grahics file formats to .dxf converters.


 -- 
 Ken Tyler

 mailto://tylereng@pacbell.net


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From: connerc
Subject: Re: Mesh Utilities
Date: 22 Apr 1999 10:53:51
Message: <371f29ef$1$pbaarep$mr2ice@news.povray.org>
In <371EF575.AF301A32@pacbell.net>, on 04/22/99 
   at 03:09 AM, Ken <tyl### [at] pacbellnet> said:

[snip]

>   I am personaly aware of about 20 different 2D - 3D programs like
> this but the majority are in the super dollar price range. I will
> of course go take a look at it and if it meets y criteria for
> bookmarking I is either already on the list or will be added as
> needed. I seldom bookmark sites or products that will cost me or
> one of my visitors money to evaluate or own the software, products,
> or information at that site. I really should rename my site to
> "Stingy Joes" or something like it.

> The banner would read:

>  "If your are so tight fisted stingy with your money that you would
>   rather make it yourself than pay another person to do it for you
>   then you are probably in the right place."

>   That pretty well sums up my current bookmarking policies and is
> an indication of my personal spending habits as well. I actually
> go into stores out here in California and bicker with the proprieters
> over the prices of their merchandise. I even succeed at getting my
> purchases for a lower price than that listed from time to time.
> It can be a very satisfying experience indeed.

[snip]


Ken, you are my master!
I live (online) to serve you!  Please teach me!


-- 
============================================================
  I do not speak of what I cannot praise. 
  
  -- Johann Wolfgang von Goethe (1749-1832)
============================================================
   Thursday, April 22, 1999 - 09:52 AM (EDT) 
============================================================

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