[vtkusers] Problem with Data in VTK

[Jennifer Lee]

Hello,   Thanks so much for the reply. 
Please ignore my poor knowledge. I’m really having troublein understanding. I’ve data in the following directory:
C:\VTK\VTKData-8.0.1\VTK-8.0.1\.ExternalData\MD5. Now, thefiles look like something below: 
00b6935d399b80e4f9edc1414a4c363f00ba7d9399c914edb4a6faa0b10ae7e500d2efba0581fb7d436bcc45a9acedcb00d49b1746f315992fac476892c681ae::::I really don’t understand what they mean. It seems tome  these are some encrypted names whichneed to be decrypted. I don’t know how to do that.I built with TESTING_ON, now data are available in the “Testing”directory too. Suppose I’d like to run the Medical examples. Now, data isavailable in the following directory:
C:\VTK\VTK-8.0.1\Testing\Data\headsq
With VTK_DATA_ROOT set to C:\VTK\VTK-8.0.1\Testing
But these are all MD5 files. So the following line of thecode does not find the data:
v16 SetFilePrefix "$VTK_DATA_ROOT/Data/headsq/quarter".
Please help me how to make things work. If I've missed any step, please let me know.Thanks in advance.
Regards,Jennifer

 

    On Tuesday, September 12, 2017 9:32 AM, David E DeMarle <dave.demarle at kitware.com> wrote:
 

 We changed the structure of regression test data in 6.1 to allow developers to make proposed changes to code and data concurrently and ensure that the continuous integration test machines do not fail when they run new tests on old data.
The net result is that a VTK build tree has test data files that are actually symbolic links to the md5 files which live elsewhere. You can generally open and use the symbolic links exactly as you would a normal data file. If you turn on testing in your build, cmake will try to download each one of the files. Alternatively you can untar the source and data packages for a release in the same directory and the default build setup will use them and avoid downloading anything else.



David E DeMarle
Kitware, Inc.
Principal Engineer
21 Corporate Drive
Clifton Park, NY 12065-8662
Phone: 518-881-4909
On Sat, Sep 9, 2017 at 7:43 PM, Jennifer Lee via vtkusers <vtkusers at vtk.org> wrote:

  Hello,     I used VTK in 2013. After that, I installed VTK after more than 4 years. I found some changes in Data in the latest version. How to make those MD5 files work? Please let me know. I didn't find much documentation. I'm really having problem with this.     Thanks in advance!
Regards,Jennifer.
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