[gate-users] Voxel Interfile reader

[ziad bitar]

Good morning,
I've faced also this kind ofproblem.
In fact, Gate insn't able to read images that contain
images in a format other than unsigned integers.

But you have to simply modify the declaration of the
table "buffer" within the code
"GateGeometryVoxelInterfileReader.cc".
For the moment, the bugger that read the data isn't
able to receive data of type "float" (for example).

Best regards,
ziad

--- Mutanga Theodore <muathe02 at student.umu.se> wrote:

> Greetings,
> I wish to find out if it is possible for the gate
> interfile reader to read
> images other than unsinged integers ? I have
> kcreated a phantom from CT
> and I used Xmedcon to convert that to interfile 3.3
> but there is some
> problems with the byte order.
> 
> When I save it as unsigned integer (u8 format in
> medcon) the gate reader
> always fails with an error message that the image
> data is twice smaller
> than what was calculated from header. Also when dump
> the pixle values to
> screen I notice the supposedly unsigned u8 data
> still have signs.
> 
> ON the other hand if I save my data as int16 (
> singned integer)  The gate
> interfile reader reads it correctly but then I get
> the error that singed
> integer is an unrecognized keyword.
> 
> I have my phantom in Analyze format perhaps someone
> knows another program
> that can rewrite my the data into the interfile 3.3
> format.
> The funny thing is when I convert the image using
> xmedcom to a plain ascii
> file, and dump the pixels to screen the values are
> correct with no signs.
> 
> I would like to hear from anyone with suggestions
> maybe there is a way to
> recompile GATE to be able to read even signed
> integers.
> 
> Cheers
> 
> Theo
> 
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> 



		
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