[PD] Re : camera angle
IOhannes m zmoelnig
zmoelnig at iem.at
Thu Nov 15 13:47:10 CET 2007
IOhannes m zmoelnig wrote:
> Raphaël ILIAS wrote:
>> the gemwin-helpfile i had read only explained five arguments with
>> 'view' message, instead of nine which seems to be a different method.
>> thanks a lot !
> well, obviously it has more information when it has 9 values instead of 5.
> if the explanation is missing from [gemwin]s helpfile, then somebody has
> taken it out. i am sure it was there!
and having a quick look, i indeed read:
view <x> <y> <z> <azimuth> <elevation>::
translate/rotate camera/viewpoint; the "up" direction will still be
default: 0 0 4 0 0
view <view_x> <view_y> <view_z> <target_x> <target_y> <target_z> <up_x>
set viewpoint (view_X view_Y view_Z). the camera will look at the
target-point (target_X, target_Y, target_Z). "up" is defined via the
vector (up_X, up_Y, up_Z)
default: 0 0 4 0 0 0 0 1 0
i think this does pretty much explain that there can be 5 or 9 values
(or 3 or 4, but i skipped this here) given to the [view( message and
what they mean.
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