[Mristudio-users] Loading an Image and Changing Pixel Dimensions

[Jason Stein]

Thank you!  This works, and now I can see my image.

On Thu, May 15, 2008 at 3:01 PM, susumu <susumu at mri.jhu.edu> wrote:

>  Hi Jason,
>
>
>
> If you are reading Analyze data, I believe all the info about data
> dimensions is read from the hdr file. The boxes for image dimensions and
> pixel sizes are deactivated. It may show some numbers but they are not
> meaningful and you can't change them. Only after you choose the "analyze"
> format and data are read, correct dimension info is loaded from the hdr
> file.
>
>
>
> Now, it is possible that the data input window still remembers old invalid
> numbers, which interferes with the data loading. Please try following;
>
>
>
> 1) First choose the "raw" format and activate image dimensions and fov
> windows.
>
> 2) Type in some meaningful numbers. This will erase prohibited numbers such
> as minus values remain in the windows.
>
> 3) Then switch to the "analyze" format. All "voxel size" windows should be
> deactivated
>
> 4) Click OK.
>
>
>
> I hope it will work.
>
>
>  ------------------------------
>
> *From:* mristudio-users-bounces at mristudio.org [mailto:
> mristudio-users-bounces at mristudio.org] *On Behalf Of *Jason Stein
> *Sent:* Thursday, May 15, 2008 12:55 PM
> *To:* Hangyi Jiang
> *Cc:* mristudio-users at mristudio.org; Ilya Eckstein
> *Subject:* Re: [Mristudio-users] Loading an Image and Changing Pixel
> Dimensions
>
>
>
> Hi Hangyi,
>
>
> Thanks very much.  Unfortunately, when I downloaded this new file and
> changed the extension, I still get the same problem.  I attached a
> screenshot if that helps.  I think the problem may be that the program is
> storing information from the previously opened files somewhere on my hard
> drive and then using those values each time.  I think this because when I
> downloaded your new program and went to the file menu, there were some
> previously opened files there.  It did this even when I deleted the program
> and re-downloaded it.  Do you think this could be fooling the program into
> thinking that the voxel dimensions were the same as the previous image?
> Where would this be stored so I could delete it and try again?
>
> Thanks again very much for your help,
> Jason
>
> On Thu, May 15, 2008 at 7:42 AM, Hangyi Jiang <hjiang at jhmi.edu> wrote:
>
> hi, jason,
>
> seems that your version has a bug. :))
>
> you can got the latest version in our website. for your convenience, I
> attached the program as a ".data" file. please rename it back to
> "DtiStudio.exe" before you can play with it in you PC.
>
> let me know if you have more questions.
>
> regards,
>
> hangyi
>
>
>
>
> >>> Jason Stein <steinja at ucla.edu> 05/14/08 7:37 PM >>>
> Hello,
>
> I am new to DTIstudio so I apologize if this question is too basic.
>
> I am trying to load an Analyze image into DTIstudio.  When I click on any
> image to open it, the image parameters screen comes up in the DTI studio
> window.  There, I make sure that Analyze radio button is selected.  The
> pixel dimensions are set to Pixel size - Width: -0.9375 and Height: 0.9000.
> When I click OK, I get the error that "Please enter a number between 0 and
> 4096".   I think this might be because the pixel dimension is set to be a
> negative number?  However, I am unable to change the values in the boxes.
>
> Also, if I try opening up an image with different voxel sizes, the same
> pixel size and width are shown in the box.  These are incorrect, and I'm
> not
> sure why they do not change when I open a new image.  Also, why can I not
> change it manually?  Any image I load brings the same pixel width and
> height.
>
> Thanks in advance for any help,
> Jason
>
>
>
> _______________________________________________
> Mristudio-users mailing list
> Mristudio-users at mristudio.org
> http://lists.mristudio.org/mailman/listinfo/mristudio-users
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://lists.mristudio.org/pipermail/mristudio-users/attachments/20080515/26066681/attachment-0001.html