[vtkusers] Making custom data for a regular 3d voxel grid

[Elvis Stansvik]

2017-08-29 20:18 GMT+02:00 Bill Lorensen <bill.lorensen at gmail.com>:
> Take a look at this example:
> https://lorensen.github.io/VTKExamples/site//Cxx/Images/ImageImport/

Ah, indeed. Take advice from the big boys here Daniel, and use
vtkImageImport. Disregard the more manual approach I suggested.

Elvis

>
> Note the use of SetInputData rather that SetInputConnection.
>
> Bill
>
> On Tue, Aug 29, 2017 at 1:20 PM, Daniel Minsky
> <minsky at tandar.cnea.gov.ar> wrote:
>> Dear all,
>>
>> I am very new to VTK, I could follow the C++ examples to read an image from
>> disk, however I would like to generate the image inside my program with some
>> voxel data coming from other object in my code.
>>
>> I would like to generate a vtkImageData with a regular 3d voxel grid values.
>> I do have all the unsigned_char 100x200x40 voxels in a unsigned char array.
>> All voxels are cubic with 1cm side.
>>
>> How do I feed the vtkImageData object with my data array?
>>
>> How do I use the vtkImageData? The vtkImageData does not have the
>> GetOutputPort() method to feed a Mapper and I am very confused about the
>> correct pipeline.
>>
>> My final goal is to make a 3d image of the data within an upper and lower
>> thresholds and an arbitrary plane slice.
>>
>> Kind regards,
>>
>> Daniel
>>
>> --
>> Dr. Daniel Minsky
>> Investigador CONICET - CNEA
>> Departamento de Física
>> Centro Atómico Constituyentes - Comisión Nacional de Energía Atómica
>> Av. Gral. Paz 1499 (B1650KNA) San Martín - Pcia. de Buenos Aires - Argentina
>> Tel: +54 11 6772 7913
>> Fax: +54 11 6772 7121
>> e-mail: minsky at tandar.cnea.gov.ar
>>
>>
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>
>
>
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