[ITK] [ITK-dev] Compile errors in wiki and sphinx examples after recent changes

[Matt McCormick]

The examples and apps highlight that this will be a headache for
pre-existing code. We could ensure a smooth transition by overloading
the SetFixedParameters methods with a backwards compatible versions
that accept ParametersType.  This would prevent build errors.  These
overloaded methods could also emit a warning that points to a
migration guide entry on why and how to upgrade the code.

2 cents,
Matt

On Tue, Jul 7, 2015 at 10:17 AM, Bill Lorensen <bill.lorensen at gmail.com> wrote:
> Thanks. Works for me.
>
> Is this documented in the migration guide or somewhere else?
>
> Bill
>
>
> On Tue, Jul 7, 2015 at 9:34 AM, Johnson, Hans J <hans-johnson at uiowa.edu> wrote:
>> Bill,
>>
>> After several T-Con discussions and e-mails, it was determined that there
>> was no way to preserve backwards and forwards compatibility for fixing this
>> bug.
>>
>> Here is the solution that is inplace for ANTs and Slicer (NOTE BRAINSTools,
>> DTIPrep, DTIProcess, DTIReg, UKFTractography, SimpleITK, and many other
>> tools needed no modifications).
>>
>> #if defined(ITK_FIXED_PARAMETERS_ARE_DOUBLE) // After 4.8.1
>>   typename BSplineTransformType::FixedParametersValueType
>> transformFixedParamsItk;
>> #else                                         //Pre 4.8.1
>>    typename BSplineTransformType::ParametersType transformFixedParamsItk;
>> #endif
>>
>> Hans
>>
>> ========================================================================
>> Hans J. Johnson, Ph.D.,  Associate Professor
>> Electrical and Computer Engineering (Primary), Biomedical Engineering,
>> Psychiatry
>> hans-johnson at uiowa.edu
>> (319) 621 7185 (cell)
>> (319) 384 3538  ECE Phone (Primary)
>> (319) 353 8587 Psychiatry Phone (Secondary)
>>
>> 4316 Seamans Center
>> Iowa City, IA 52242
>>
>> On Jul 7, 2015, at 7:48 AM, Bill Lorensen <bill.lorensen at gmail.com> wrote:
>>
>> Hans,
>>
>> There is a problem with the change. My code will no longer build with
>> older versions of ITK.
>> I get:
>>
>> ITKWikiExamplesNightly/Utilities/FileOutputWindow.cxx:23: error:
>> 'FixedParametersType' is not a member of 'main(int,
>> char**)::TransformType'
>>
>> This is not good, unless I'm noising something...
>>
>> On Mon, Jul 6, 2015 at 4:23 PM, Bill Lorensen <bill.lorensen at gmail.com>
>> wrote:
>>
>> Hans,
>>
>> That was the problem. Just a surprise  for me.
>>
>> Bill
>>
>>
>> On Mon, Jul 6, 2015 at 8:46 AM, Johnson, Hans J <hans-johnson at uiowa.edu>
>> wrote:
>>
>> Bill,
>>
>> The problem is almost certainly that the variable “parameters” is of type
>> “ParametersType” rather than “FixedParametersType”.
>>
>> // The ITK_FIXED_PARAMETERS_ARE_DOUBLE is intended
>> // to facilitate transition of ITK for those very
>> // rare cases where multiple versions of ITK
>> // may need to be supported simultaneously.
>> #if defined( ITK_LEGACY_REMOVE )
>>  #undef  ITK_FIXED_PARAMETERS_ARE_DOUBLE
>> #else
>>  #define ITK_FIXED_PARAMETERS_ARE_DOUBLE
>>  // #if !defined(ITK_FIXED_PARAMETERS_ARE_DOUBLE)
>>  // typedef ParametersValueType FixedParametersValueType;
>>  // #endif
>> #endif
>>
>>
>> Hans
>>
>>
>>
>> On Jul 6, 2015, at 6:52 AM, Bill Lorensen <bill.lorensen at gmail.com> wrote:
>>
>> Folks,
>>
>> Something in this commit
>>
>> https://open.cdash.org/viewChanges.php?project=Insight&date=2015-07-04
>>
>> is causing these errors:
>>
>> https://open.cdash.org/viewBuildError.php?onlydeltap&buildid=3887517
>>
>> and
>>
>> https://open.cdash.org/viewBuildError.php?onlydeltap&buildid=3887806
>>
>> Bill
>> --
>> Unpaid intern in BillsBasement at noware dot com
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>
>
> --
> Unpaid intern in BillsBasement at noware dot com
> _______________________________________________
> Powered by www.kitware.com
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> Visit other Kitware open-source projects at
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