[vtkusers] Slicing Options

[David Gobbi]

Hi Alex,

The vtkShepardMethod class in Imaging should be able to generate a
vtkImageData from your data.  It has "MaximumDistance" and "NullValue"
parameters to control how the empty spaces will be filled.

   David


On Tue, Sep 21, 2010 at 8:44 AM, Alex Southern <mrapsouthern at gmail.com> wrote:
> Yes the points are in a regular 3D grid, although not all points in the grid
> are used. Thanks, I will take a look at these.
>
> What if I want to display all of the points in the 3D grid?
>
> On 21.9.2010 17:40, Jothy wrote:
>
> Are they structured or unstructured data. If structures ( in a 3D regular
> grid ), you could look vtkImageReslice to slice and
> vtkVolumeRayCastCompositeFunction to display it in 3D.
>
>
> Jothy
>
>
>
> On Tue, Sep 21, 2010 at 3:35 PM, Alex Southern <mrapsouthern at gmail.com>
> wrote:
>>
>>  Anyone?... :)
>>
>> On 21.9.2010 13:15, Alex Southern wrote:
>>>
>>>  Hi,
>>>
>>> I need some help with determining what my visualizations options are, as
>>> I feel dont know all there is to know about VTK.
>>>
>>> - I have a large number of scalar values that are changed after a single
>>> iteration (time), there may be 1000s of iterations.
>>> - Each scalar has an associated 3D co-ordinate in space and I would like
>>> its value to be mapped to a color map.
>>>
>>> Id like to view the data in 3D (it doesn't matter if its slow) AND Id
>>> also like to view a slice of the data.
>>>
>>> If you can push me in the right direction of some examples or give me
>>> some keywords that I can search it would be much appreciated.
>>>
>>> Thanks
>>> Alex
>>
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>
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