Re: scenery tiles real photo mapping

Hi.
Is the document
http://www.jp.flightgear.org/Docs/Scenery/SceneryGeneration/SceneryGeneratio
n.html still up to date or something has changed in the meanwhile?

thanks
Alex

----- Original Message -----
From: "Curtis L. Olson" <[email protected]>
To: "TerraGear developers discussions" <[email protected]>
Sent: Wednesday, February 22, 2006 4:23 PM
Subject: Re: [Terragear-devel] scenery tiles real photo mapping


> Hi,
>
> There's not much documentation for chop.pl and photo.cxx.  This was
> something I did as a demo probably 5-6 years ago and haven't touched
> since.  This approach cuts a hole in the scenery and inserts a photo.
>
> If the area you want to cover is mostly flat (such as an airport) then
> another option would be to simply build your own 3d model of the area
> ... this could be as simple as a single rectangular surface with the
> photo applied as a texture.  It's really easy to place 3d objects into
> FlightGear.  We used this approach to model our UAV flying area last
> fall and it worked out quite well.  Check out the movies in the Dec 12,
> 2005 section:
>
> http://www.flightgear.org/~curt/Models/Special/Rascal110_2/
>
> If you have to deal with terrain, then you probably do need to figure
> out the chop.pl/photo.cxx code.  This requires getting the rest of
> terragear to work as well (and assembling all the raw data) because you
> need to completely rebuild the tile with this approach.  Last time I
> tried the photo scenery demo, it didn't work, so there may be something
> broke in our code right now.  I couldn't see anything immediately wrong
> when I spent a 1/2 day looking into this, but then I ran out of time and
> haven't had a chance to get back to it.
>
> Curt.
>
>
> alessandro marassi wrote:
>
> >Thanks to everybody.
> >I found another link:
>
>http://mail.flightgear.org/pipermail/terragear-devel/2004-September/001036.
h
> >tml
> >
> >Is there any documentation about FG tiles format and the use of the
> >utilities chop.pl and photo.cxx?
> >For example, which dimension has a single tile?
> >
> >chop.pl seems to chop a single image in a number of tiles; it seems to
> >require the following parameters:
> >
> >name of graphic file (image)
> >number of tile sides
> >number of tile sides
> >number of colors?
> >
> >photo seems to require the following parameters:
> >
> >location of the file to be generated?
> >name of graphic file (image)
> >number of tile sides
> >number of tile sides
> >geographic coordinates of the 4 vertices of the image (degrees.decimal?),
> >expressed in longitude and latitude
> >
> >What does it mean recreate the scenery using fgfs-tool-client/server and
add
> >PhotoArea and PhotoObj to the client's parameter list?
> >
> >All single areas (photos) have to be added in the file materials.xml?
> >
> >Can anyone confirm the procedure or better detail it?
> >
> >
> >
>
>
> --
> Curtis Olson        http://www.flightgear.org/~curt
> HumanFIRST Program  http://www.humanfirst.umn.edu/
> FlightGear Project  http://www.flightgear.org
> Unique text:        2f585eeea02e2c79d7b1d8c4963bae2d
>
>
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