Frank how would you feel about a cut down version of feature rendering in
the uDig codebase, as a temporary measure. If JAI is available uDig could
use streaming renderer like normal?
--
Jody Garnett
On 29 March 2018 at 17:31, Jody Garnett <[email protected]> wrote:
> Based on Andrea's response it may be best to take a copy of streaming
> renderer, and make a second implementation. There some cool special effects
> (alpha blending, etc...) that take advantage of interactions between layers
> that would not translate to the uDig case where we run several streaming
> renderers in parallel.
>
> Andrea is correct that it is a very difficult class, we would probably
> need a trial run such as this before being able to propose any kind of
> refactor that would not make it worse.
>
> --
> Jody Garnett
>
> On 28 March 2018 at 05:16, Andrea Aime <[email protected]>
> wrote:
>
>> On Wed, Mar 28, 2018 at 1:16 PM, Frank Gasdorf <
>> [email protected]> wrote:
>>
>>> The intention is to get an application running without JAI which implies
>>> to have no raster support. This is fine for the first shot and maybe helps
>>> to transform StreamingRenderer "god-class" to something
>>> that is easier to maintain and might opens up chances to configure
>>> systems (plug-able)
>>>
>>
>> Hmm... I doubt it will serve your specific purpose, the raster rendering
>> is already factored out in GridCoverageRenderer,
>> although, going by memory, there are still lingering bits in the
>> rendering transformations paths.
>>
>> About a refactor, please don't unless it's absolutely necessary or you're
>> going to become the new maintainer of the module,
>> I'm not trying to pick on you but I had enough of people coming with big
>> "I'll make it better for you" refactors and then
>> walking away, leaving me to struggle for months (or years, in the case of
>> the WMS module refactor) trying to figure out
>> where functionality is gone and how I'm supposed to extend the new model.
>>
>>
>>> st finding : the rabbit hole is quite hidden and I'mn still looking for
>>>> it. Are you saying it would help to add a test-case first that might fail
>>>> all the time to force refactorings?
>>>>
>>>
>> Yes, a module that only contains a test and sets up the classpath in such
>> a way that JAI is guaranteed not to be there,
>> with one or more tests checking your use case.
>> If this is not in the build your work will degrade over time with nobody
>> noticing.
>>
>> have you heard about similiar requirments or even opposite in any way?
>>>
>>
>> I heard Jody speaking about it, but no,personally never had the need, nor
>> had on behalf of a customer.
>>
>> Cheers
>> Andrea
>>
>>
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