[QGIS-Developer] OTB 6 and Processing

Ricardo Filipe Soares Garcia da ricardo.garcia.silva at gmail.com
Tue May 16 02:40:46 PDT 2017

It's looking great :)

Having processing algs run in the background will really improve the user
experience IMO.

Having the possibility to use expressions in order to define parameters
dynamically is really awesome too! In your video demo you effectively
turned the fixed distance buffer algorithm into a variable distance buffer
(maybe a hint that we'll need only one of those from now on?) ;)

Keep up the good work!

On Tue, May 16, 2017 at 9:41 AM, Nyall Dawson <nyall.dawson at gmail.com>

> On 16 May 2017 at 18:16, Paolo Cavallini <cavallini at faunalia.it> wrote:
> > Il 16/05/2017 10:08, Rashad Kanavath ha scritto:
> >> Hello Paolo,
> >>
> >> Is the processing plugin ported to c++? or just the core part with
> >> wrappers in python?
> >
> > core in C++, with Python bindings. Nyall can be more precise on this.
> That's right. Gui will remain in python. Algs will mostly be python,
> unless they benefit from the speed boost of the native c++ code. All
> the algorithms which rely on external apps will remain Python.
> If anyone's curious, here's a video demonstrating the current state of the
> work:
> https://www.youtube.com/watch?v=6DIAc6ATOh0&feature=youtu.be
> Not much to get excited about from an end user's perspective yet, but
> what you see here is:
> - a native buffer algorithm, fully written in c++
> - background algorithm execution using task manager
> - the new API which uses a dictionary of algorithm parameters
> - a demo of dynamic property based parameters (will be exposed via the
> UI just like data defined symbols/labels/etc)
> Nyall
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___________________________ ___ __
Ricardo Garcia Silva
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