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Re: Using trackball to rotate an image [message #33325 is a reply to message #33186]

Thu, 19 December 2002 07:52

pushyar
Messages: 9
Registered: October 2002

Junior Member

Hi..
I finally did it. Thanks a lot for ur help Rick.

-Pushya

"Rick Towler" <rtowler@u.washington.edu> wrote in message news:<atbcbp$lca$1@nntp6.u.washington.edu>...
> When you first posted this question I responded with a few methods using
> object graphics. If you want true 3d rotation of an image object graphics
> is your only option. Why don't you revisit my first reply and go from
> there?
>
> -Rick
>
>
> "Pushya" <pushyar@yahoo.com> wrote in message
> news:39e6dba3.0212111209.45916d4e@posting.google.com...
>> HI.
>> I tried to rotate the 3D image instead of enclosing it in a cube and
>> rotating the cube. I manage to rotate only the 2D surface. The steps i
>> followed are:
>> 1. Opened a file with Matrix - ixjxk
>> 2. Displayed the 3D image with the Shade_volume and Scale3 function.
>> 3. This 3D image obtained after step 2 (i.e. display purpose image)
>> is used as an image for the trackball operation.
>> 4. i used my mouse to move over that image and as a result i see the
>> 2D displayed version rotating. i.e, it is a flat rotation not a 3D
>> rotation where i can see the other side of the image.
>> Can anybody tell me where i am wrong. I am not able to figure out
>> where i am wrong. Please help me ASAP.
>>
>> Cheers,
>> Pushya
>>
>>
>>
>> pushyar@yahoo.com (Pushya) wrote in message
> news:<39e6dba3.0212022059.73dfe3ee@posting.google.com>...
>>> HI..
>>> I could rotate a cube using trackball in all directions. I want to
>>> rotate a 3D image inside a cube. When i rotate the cube, the image
>>> inside the cube should also rotate. I want to do this using trackball
>>> object.
>>> Can anybody tell me if there's a way to set the cube as transparent
>>> and the 3D image inside the cube to rotate along with the cube?
>>>
>>> Please help me.
>>>
>>> Cheers,
>>> Akhila.

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[Message index]

		Using trackball to rotate an image By: pushyar on Mon, 02 December 2002 20:59
		Re: Using trackball to rotate an image By: Rick Towler on Thu, 12 December 2002 17:12
		Re: Using trackball to rotate an image By: pushyar on Thu, 19 December 2002 07:52
		Re: Using trackball to rotate an image By: pushyar on Wed, 11 December 2002 12:09

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