[Sidefx-houdini-list] reconstructing geometry from photos...

Jordi Bares jordibares at the-mill.com
Thu Feb 7 15:13:16 EST 2008


A cheap trick I use instead of yet another tools it to track single frames
in Equalizer and send that to Maya/XSI and model from those cameras, pretty
fast and accurate. Also, all your camera projection tools work and deformers
so it is much more flexible.

Hope it helps
jb


On 7/2/08 19:46, "Jerry Corda-Stanley" <jerry at intelligentcreatures.com>
wrote:

> Hi Paul
> 
> Imagemodeler isn't too bad. You have to supply it a few differing angles to
> cover as much of your subject as possible, and have enough common points over
> three of the pictures for it to calibrate. Once that's done it does a fairly
> decent job of matching additional points you add for modeling. I actually used
> this to model a few heads we snapped at Rock Circus with decent results.
> 
> PFTrack I don't think has the ability to use support stills. But it has a
> handy
> feature allowing you to drop a guide box into your track which you could align
> to
> a convenient building to "snap" you camera lens into place. After that it
> should be
> a doddle to add geometry.
> 
> Hope that helps some.
> 
> ----- "paul simpson" <paul at realisestudio.com> wrote:
>> hi all,
>> 
>> doing some r+d here - into building geometry (a street) from
>> photos/video.
>> so far i've looked at:
>> - photomodeler  http://www.photomodeler.com
>> - image modeler http://www.realviz.com/
>> - pftrack - pixel farm
>> - eye-tronics http://www.eyetronics.com
>> 
>> ...i'm specifically wanting to build a whole city block - as seen from
>> eye
>> height from the pavement.  has anyone had any experience with any of
>> the
>> above software (or services as in the eye-tronics case)?  would love
>> to hear
>> any success stories - or maybe more importantly any horror stories...
>> 
>> or any other thoughts/suggestions most welcome...
>> 
>> regards,
>> 
>> paul
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