[Rtk-users] rtksubselect

[Simon Rit]

Hi,
I don't have a tutorial for you but you can start by reading the ITK doc:
https://itk.org/Doxygen/html/classitk_1_1RegularExpressionSeriesFileNames.html
There are tons of tutorials on the web (and I don't know a specifically
good one), the important part to remember is that there are several formats
for regular expressions and ITK uses one of them.
Note that you don't have to use them in most cases. For example, Christoph
could have use "-r his" to match all filenames containing "his".
Simon

On Thu, Jun 23, 2016 at 4:41 PM, Ana Vaniqui <ana.vaniqui at maastro.nl> wrote:

> Hi,
>
>
> I just want to add that a tutorial on regular expressions for beginners
> would be very much appreciated..
>
>
> Kind regards,
>
> Ana
>
>
> ------------------------------
> *From:* Rtk-users <rtk-users-bounces at public.kitware.com> on behalf of
> Cyril Mory <cyril.mory at uclouvain.be>
> *Sent:* Thursday, June 23, 2016 4:22:39 PM
> *To:* Christoph Zöllner; rtk-users at public.kitware.com
> *Subject:* Re: [Rtk-users] rtksubselect
>
> Hi Christoph,
>
> The error lies in the regular expression: replace the "*.his" with
> ".*.his" and it should work.
>
> By the way: does anyone know have a tutorial on regular expressions for
> beginners to recommend ?
>
> Cyril
>
> On 06/23/2016 03:48 PM, Christoph Zöllner wrote:
>
> Dear all,
>
> I want to use rtksubselect to create single geometryfiles for every
> projection for parallelization purposes. When using the following command:
>
> rtksubselect -g geometryfilename.xml --out_proj subsettest.mha
> --out_geometry subsettestgeom.xml -f 1 -l 2 -p projectionfolder -r *.his
>
>
> I get this error:
>
> ExceptionObject caught with paste->Update() in file
> /scratch-local/rauscher/rtk/RTK/applications/rtksubselect/rtksubselect.cxx
> line 113
>
> itk::InvalidRequestedRegionError (0x1818600)
> Location: "unknown"
> File:
> /scratch-local/rauscher/itk/InsightToolkit-4.8.2/Modules/Core/Common/src/itkDataObject.cxx
> Line: 393
> Description: Requested region is (at least partially) outside the largest
> possible region.
>
>
> Invalid requested region error triggered by ProjectionsReader
> img->GetRequestedRegion() = [ ImageRegion (0x180ea40)
>   Dimension: 3
>   Index: [4, 4, 1]
>   Size: [504, 504, 1]
>  ]
> img->GetLargestPossibleRegion() = [ ImageRegion (0x180ea08)
>   Dimension: 3
>   Index: [4, 4, 0]
>   Size: [504, 504, 1]
>  ]
>
> it works for the first file though when using -f 0 -l 1
>
> regards,
> Christoph
>
>
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