[vtkusers] vtkDICOMImageReader limits

[Darshan Pai]

I have been using DICOMReader in 64 bit OS and it has not crashed on me
before . Probably its a memory error . I usually convert it into Analyze
format and reduce the dimensions or the data type so that it can be loaded .
Maybe you can try that .

Regards
Darshan

On Fri, Sep 3, 2010 at 5:44 PM, Ali Habib <ali.mahmoud.habib at gmail.com>wrote:

> it's 245 MB data , I will search for that I use c# and vista as operating
> system
>
>
> On Sat, Sep 4, 2010 at 12:32 AM, John Drescher <drescherjm at gmail.com>wrote:
>
>> On Fri, Sep 3, 2010 at 5:28 PM, John Drescher <drescherjm at gmail.com>
>> wrote:
>> >> I successfully read DICOM data using  vtkDICOMImageReader   for
>> directory
>> >> contains 78  files
>> >> But when tried to load from directory contains 418 files , my
>> application
>> >> crashed
>> >>             vtk.vtkDICOMImageReader VDR = new
>> vtk.vtkDICOMImageReader();
>> >>             VDR.SetDirectoryName(@"G:\Master Degree\test DataSet\My
>> >> Disc\07291640");
>> >>             VDR.SetDataOrigin(0, 0, 0);
>> >>             VDR.Modified();
>> >> any suggestion please , or is there any
>> limits regarding vtkDICOMImageReader
>> >
>> > I believe it is limited to around 4GB dicom files since the reader
>> > uses 32 bit index pointers.
>> >
>>
>> In 32bit windows however you will be limited by the largest
>> allocatable memory block which should be around 1.2GB ( even if your
>> PC has 4 GB of ram) unless you have your program compiled with the
>> LARGEADDRESSAWARE linker flag and you have your OS set to allow 3GB
>> applications.
>>
>> John
>>
>
>
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