Re: [Qgis-developer] Possible improvement | Actions on right click

2013-03-15 Thread Régis Haubourg
Alister Hood wrote
 Hi guys, 
 In this case I think rather than having a context menu dedicated just to
 layer actions, it might be better eventually to have a more general
 context menu, with actions in a submenu.
 
 I think context menus would be good everywhere ;)
 
 For most people when a right-click does anything different from opening a
 context menu they are surprised - assuming they even notice what it did. 
 If the right-click function is moved into a context menu then they will
 know what it did, even if they didn't read the manual. 
 
 I guess getting rid of all direct right-click functions might upset some
 existing users, because an extra click will be required for the same
 function, but it will of course allow more functions to be added.
 
 IIRC I think there is a recent proposal for context menus in the composer
 - in a ticket or pull request for paste to original coordinates.
 
 
 Regards,
 Alister
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+1 with you alister. We could put that global target on 2.1 roadmap maybe. 
contextual menu are generally used for differents purposes:

1- access properties of the object you click in . 
 for mapCanvas, you could have shortcuts to projection settings, project
settings, current zoom and scale, refresh content, stop redraw.  I think
some shortcuts to render global options could be nice. I often have to play
with antialiased rendering / number of objetcts to draw when displaying very
large datasets. A shortcut could be nice. Do you see anything else.


2- actions under the click location (layers actions, plugins actions, finsh
editing of a feature). 

we must precisely decide what happens for editing use case, where right
click is used today top finish an object.. Thoughts?





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[Qgis-developer] hints for writing a C++ plugin

2013-03-15 Thread Diego Gnesi Bartolani
Hi,

I'm new to this mailing list. I am writing a plugin for QGIS in order to
perform complex cost surface analyses. I wrote some code in Python using
GDAL, and it works but it is too slow. So, I'm considering the possibility
to re-write the plugin in C++, but C++ plugins are less documented and I
have few questions:

- can they be deployed in the same way Pythons plugins are? (Or, if not,
what the user shall do to install the plugin and what have I to do deploy
it?)
- which library shall I use to read and write raster data from a C++ QGIS
plugin? GDAL or a specific QGIS API? And if the answer is GDAL, can I trust
that this library will be installed in final user's pc?

Thanks!!
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Re: [Qgis-developer] hints for writing a C++ plugin

2013-03-15 Thread Alexander Bruy
Hi Diego,

On Fri, 15 Mar 2013 10:00:41 +0100
Diego Gnesi Bartolani diego.gn...@gmail.com wrote:

 - can they be deployed in the same way Pythons plugins are? (Or, if not,
 what the user shall do to install the plugin and what have I to do deploy
 it?)

C++ can't be installed via Plugin Installer. Users should download
plugin library (.dll or .so) and put it in right place manually.

 - which library shall I use to read and write raster data from a C++ QGIS
 plugin? GDAL or a specific QGIS API? And if the answer is GDAL, can I trust
 that this library will be installed in final user's pc?

You can use any library for raster processing. GDAL is one of the
possible solutions. If you decide to use GDAL, don't worry, QGIS
itself relies on this library, so users will have it on their PC

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[Qgis-developer] R: Re: hints for writing a C++ plugin

2013-03-15 Thread Diego Gnesi
Thank you Alexander,

I'll finish the Python plugin, because I think that inexpert users will prefer 
a module that will be slower but easier to install.
--Messaggio originale--
Da: Alexander Bruy
A: Diego Gnesi
Cc: qgis-developer@lists.osgeo.org
Oggetto: Re: [Qgis-developer] hints for writing a C++ plugin
Inviato: 15 mar 2013 10:06

Hi Diego,

On Fri, 15 Mar 2013 10:00:41 +0100
Diego Gnesi Bartolani diego.gn...@gmail.com wrote:

 - can they be deployed in the same way Pythons plugins are? (Or, if not,
 what the user shall do to install the plugin and what have I to do deploy
 it?)

C++ can't be installed via Plugin Installer. Users should download
plugin library (.dll or .so) and put it in right place manually.

 - which library shall I use to read and write raster data from a C++ QGIS
 plugin? GDAL or a specific QGIS API? And if the answer is GDAL, can I trust
 that this library will be installed in final user's pc?

You can use any library for raster processing. GDAL is one of the
possible solutions. If you decide to use GDAL, don't worry, QGIS
itself relies on this library, so users will have it on their PC

-- 
Alexander Bruy


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Re: [Qgis-developer] Possible improvement | Actions on right click

2013-03-15 Thread Alexandre Neto
+1 For giving some additional use to right-mouse-click in map canvas.
Context menus seems coherent with most of software that I have worked with.

I'm not sure about where right-click direct actions are used, I can only
remember the finish feature edit.

For currently actions using direct right-click, I see a few alternatives:
1 - The action is the first on the context menu ( need 2 clicks and breaks
current usability);
2 - Assign function key for those actions (fast but breaks usability, not
suitable for mouse position dependent actions);
3 - Change right-click direct action to Shift + Right Click ( faster, and
kinda keeps usability);

I personally like the solution 1 + 3, direct action is detached at the top
of the context menu and can be accessed directly (no context menu is
showed) if one presses Shift (or Ctrl) while clicking.

Alexandre Neto

On Fri, Mar 15, 2013 at 8:48 AM, Régis Haubourg 
regis.haubo...@eau-adour-garonne.fr wrote:

 Alister Hood wrote
  Hi guys,
  In this case I think rather than having a context menu dedicated just to
  layer actions, it might be better eventually to have a more general
  context menu, with actions in a submenu.
 
  I think context menus would be good everywhere ;)
 
  For most people when a right-click does anything different from opening a
  context menu they are surprised - assuming they even notice what it did.
  If the right-click function is moved into a context menu then they will
  know what it did, even if they didn't read the manual.
 
  I guess getting rid of all direct right-click functions might upset some
  existing users, because an extra click will be required for the same
  function, but it will of course allow more functions to be added.
 
  IIRC I think there is a recent proposal for context menus in the composer
  - in a ticket or pull request for paste to original coordinates.
 
 
  Regards,
  Alister
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 +1 with you alister. We could put that global target on 2.1 roadmap maybe.
 contextual menu are generally used for differents purposes:

 1- access properties of the object you click in .
  for mapCanvas, you could have shortcuts to projection settings, project
 settings, current zoom and scale, refresh content, stop redraw.  I think
 some shortcuts to render global options could be nice. I often have to play
 with antialiased rendering / number of objetcts to draw when displaying
 very
 large datasets. A shortcut could be nice. Do you see anything else.


 2- actions under the click location (layers actions, plugins actions, finsh
 editing of a feature).

 we must precisely decide what happens for editing use case, where right
 click is used today top finish an object.. Thoughts?





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Re: [Qgis-developer] ECW!!!

2013-03-15 Thread Ecofuego
I have to tried to install the latest versions of the ECW plug-in without
much success.

It is imperative that we have an ECW plug-in that is easy to install,
bug-free, and does what it does in ArcGIS.

I can understand Fred's frustration. Let's see a new plugin in OSGEO4W
sooner than later.



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Re: [Qgis-developer] Possible improvement | Actions on right click

2013-03-15 Thread HAUBOURG
+1 with you Alexandre,
Modifier key for click + access to action in contextual menu (plus a tip to 
explain the use of CTRL+Clic or SHIFT + clic) is a good solution.
We seem to reach a consensus for actions .. Anybody else?


De : Alexandre Neto [mailto:senhor.n...@gmail.com]
Envoyé : vendredi 15 mars 2013 10:52
À : HAUBOURG
Cc : qgis-developer@lists.osgeo.org
Objet : Re: [Qgis-developer] Possible improvement | Actions on right click

+1 For giving some additional use to right-mouse-click in map canvas. Context 
menus seems coherent with most of software that I have worked with.

I'm not sure about where right-click direct actions are used, I can only 
remember the finish feature edit.

For currently actions using direct right-click, I see a few alternatives:
1 - The action is the first on the context menu ( need 2 clicks and breaks 
current usability);
2 - Assign function key for those actions (fast but breaks usability, not 
suitable for mouse position dependent actions);
3 - Change right-click direct action to Shift + Right Click ( faster, and kinda 
keeps usability);

I personally like the solution 1 + 3, direct action is detached at the top of 
the context menu and can be accessed directly (no context menu is showed) if 
one presses Shift (or Ctrl) while clicking.

Alexandre Neto
On Fri, Mar 15, 2013 at 8:48 AM, Régis Haubourg 
regis.haubo...@eau-adour-garonne.frmailto:regis.haubo...@eau-adour-garonne.fr
 wrote:
Alister Hood wrote
 Hi guys,
 In this case I think rather than having a context menu dedicated just to
 layer actions, it might be better eventually to have a more general
 context menu, with actions in a submenu.

 I think context menus would be good everywhere ;)

 For most people when a right-click does anything different from opening a
 context menu they are surprised - assuming they even notice what it did.
 If the right-click function is moved into a context menu then they will
 know what it did, even if they didn't read the manual.

 I guess getting rid of all direct right-click functions might upset some
 existing users, because an extra click will be required for the same
 function, but it will of course allow more functions to be added.

 IIRC I think there is a recent proposal for context menus in the composer
 - in a ticket or pull request for paste to original coordinates.


 Regards,
 Alister
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+1 with you alister. We could put that global target on 2.1 roadmap maybe.
contextual menu are generally used for differents purposes:

1- access properties of the object you click in .
 for mapCanvas, you could have shortcuts to projection settings, project
settings, current zoom and scale, refresh content, stop redraw.  I think
some shortcuts to render global options could be nice. I often have to play
with antialiased rendering / number of objetcts to draw when displaying very
large datasets. A shortcut could be nice. Do you see anything else.


2- actions under the click location (layers actions, plugins actions, finsh
editing of a feature).

we must precisely decide what happens for editing use case, where right
click is used today top finish an object.. Thoughts?





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Re: [Qgis-developer] ECW!!!

2013-03-15 Thread Giovanni Manghi
 I have to tried to install the latest versions of the ECW plug-in without
 much success.

http://www.faunalia.pt/node/438
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Re: [Qgis-developer] ECW!!!

2013-03-15 Thread Vincent Picavet
Hi,

 I have to tried to install the latest versions of the ECW plug-in without
 much success.
 
 It is imperative that we have an ECW plug-in that is easy to install,
 bug-free, and does what it does in ArcGIS.

You are free to sponsor the development and maintainance of such a tool.
You are free as well to pay for the ECW licence.
You are free to put pressure on ERDAS for them to make ECW available as 
opensource and allow its distribution
You are free to explain to your data provider that offering data in proprietary 
formats is a bad idea
You are free to finance a new open wavelet compression format

 I can understand Fred's frustration. Let's see a new plugin in OSGEO4W
 sooner than later.

It's up to you then.

v.

 
 
 
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Re: [Qgis-developer] ECW!!!

2013-03-15 Thread jr . morreale

On 2013-03-15 11:14, Vincent Picavet wrote:
I can understand Fred's frustration. Let's see a new plugin in 
OSGEO4W

sooner than later.


It's up to you then.


I was going to write the same thing, ECW is proprietary viper's nest, 
the work to make it usable on QGIS should be done by ERDAS or by the 
people using it.


For those wanting a good wavelet format, there is OpenJPEG 2.0. If it 
doesn't fit the bill for you then they should think about supporting it 
like the CNES did instead of asking a open software to support a black 
box with a stupid license.

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Re: [Qgis-developer] ECW!!!

2013-03-15 Thread kimaidou
Here is a very documented blog post about the comparative use of ecw or
compressed gtiff

http://blog.webmapper.com.au/

You can use basic gdal command line to get a compressed gtiff from ecw,
with very good performances. For example :

# convertir l'ecw
gdal_translate -of GTiff -co TILED=yes -co PHOTOMETRIC=YCBCR -co
COMPRESS=JPEG input.ecw output.tif
# créer la pyramide
gdaladdo -r average --config COMPRESS_OVERVIEW JPEG --config
PHOTOMETRIC_OVERVIEW YCBCR --config INTERLEAVE_OVERVIEW PIXEL
compressed.tif 2 4 8 16 32 64 128

Will provide a geotiff with great performances and not so big compared to
the ecw.

And as other suggested, open source wavelet is in progress too and must be
burried out !

Michael

2013/3/15 jr.morre...@enoreth.net

 On 2013-03-15 11:14, Vincent Picavet wrote:

 I can understand Fred's frustration. Let's see a new plugin in OSGEO4W
 sooner than later.


 It's up to you then.


 I was going to write the same thing, ECW is proprietary viper's nest, the
 work to make it usable on QGIS should be done by ERDAS or by the people
 using it.

 For those wanting a good wavelet format, there is OpenJPEG 2.0. If it
 doesn't fit the bill for you then they should think about supporting it
 like the CNES did instead of asking a open software to support a black box
 with a stupid license.

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Re: [Qgis-developer] ECW!!!

2013-03-15 Thread skampus
self-defense...

1) from this archive (http://goo.gl/XiG21) copy gdal_ECW_JP2ECW into
C:\OSGeo4W\bin\gdalplugins\1.9 directory.

2) copy all other dll of previous archive in C:\OSGeo4W\bin and
C:\Windows\System32 directories

don't ask me why but it works!

this is valid, obviously fo sure in windows; i don't know for other O.S.
it works for brand new installation of qgis via osgeo4w both for 1.8 version
and dev. version

 



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Re: [Qgis-developer] ECW!!!

2013-03-15 Thread skampus
ciao giovanni, 
the link to
http://www.gisinternals.com/sdk/Download.aspx?file=release-1600-gdal-1-9-2-mapserver-6-2-0
in faunalia page you said is broken





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Re: [Qgis-developer] Feature freeze commencing the ides of March

2013-03-15 Thread Marco Hugentobler

Pushed to master branch now.

On 13.03.2013 17:44, Marco Hugentobler wrote:

Hi devs

The first part of the symbology improvements is available in my github 
fork:


https://github.com/mhugent/Quantum-GIS/tree/data_defined_symbology

Currently, one symbol is either in mm or in map units. The changeset 
in the branch adds the possibility to mix different output units ( mm 
/ map units ) in one symbol and even in one symbol layer. So it is now 
e.g. possible to have line width in mm and line offset in map units.


Let me know if you have feedback on this. Next enhancement part will 
be to add more data defined symbol properties (from attribute / 
expression).


Regards,
Marco

On 04.03.2013 13:07, Marco Hugentobler wrote:

Moving the date to say start of April wouldn't
hurt.  Would that help?


Start of April would be ok for the data defined symbology.

Regards,
Marco

On 04.03.2013 11:44, Jürgen E. Fischer wrote:

Hi Marco,

On Mon, 04. Mar 2013 at 11:37:15 +0100, Marco Hugentobler wrote:
Disadvantage is that 15 March is too close for it to go into 
master. What
should we do (wait for 2.1 /  shift feature freeze date / exception 
from

feature freeze) ?
How much time would you need?  Moving the date to say start of April 
wouldn't

hurt.  Would that help?

Jürgen










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Sourcepole -  Linux  Open Source Solutions
Weberstrasse 5, CH-8004 Zürich, Switzerland
marco.hugentob...@sourcepole.ch http://www.sourcepole.ch
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Re: [Qgis-developer] ECW!!!

2013-03-15 Thread Régis Haubourg
Confirmed ! thanks a lot.. 
régis




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Re: [Qgis-developer] ECW!!!

2013-03-15 Thread skampus
glad to hear it.

i don't know if dll i'm sharing are allowed or not by some license.
if not, tell me and i'll delete the post





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Re: [Qgis-developer] Capturing stdout from a plugin

2013-03-15 Thread Salvatore Larosa
Hi,

2013/3/15 Gary Sherman gsher...@geoapt.com

 In the 1.x console API, you could use:

 output = sys.stdout.get_and_clean_data()

 to grab what was sent to stdout via print statements.

 Is there an equivalent way to do this with the 2.0 API? I'm not seeing
 it...


currently doesn't exist a similar method in the new console, but all the
print
statements are catched from the console.

I had to delete the QgisOutputCatcher class because I got some problem with
the text styling in qscintilla lexer.

However, I think it is better revert that method or add a similar.
I'll try fix it asap.

Thanks for catching it :-)

Regards,

-SL




 Thanks,
 -gary


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Re: [Qgis-developer] Feature freeze commencing the ides of March

2013-03-15 Thread Tim Sutton
Hi All

Just to confirm on this thread that following the discussions here the
following updated timeline to 2.0 will apply:

1 April 2013 - Feature freeze - no new features in master
1 May 2013 - GUI Freeze and String freeze - no changes to ui or
strings except where required for critical bug fixes. Call for
translations.
1 June 2013 - Branch 2.0, code freeze (except for packaging related
changes), call for packaging
7 June 2013 - Public release of 2.0

Regards

Tim

On Fri, Mar 15, 2013 at 5:44 PM, Marco Hugentobler
marco.hugentob...@sourcepole.ch wrote:
 Pushed to master branch now.


 On 13.03.2013 17:44, Marco Hugentobler wrote:

 Hi devs

 The first part of the symbology improvements is available in my github
 fork:

 https://github.com/mhugent/Quantum-GIS/tree/data_defined_symbology

 Currently, one symbol is either in mm or in map units. The changeset in
 the branch adds the possibility to mix different output units ( mm / map
 units ) in one symbol and even in one symbol layer. So it is now e.g.
 possible to have line width in mm and line offset in map units.

 Let me know if you have feedback on this. Next enhancement part will be to
 add more data defined symbol properties (from attribute / expression).

 Regards,
 Marco

 On 04.03.2013 13:07, Marco Hugentobler wrote:

 Moving the date to say start of April wouldn't
 hurt.  Would that help?


 Start of April would be ok for the data defined symbology.

 Regards,
 Marco

 On 04.03.2013 11:44, Jürgen E. Fischer wrote:

 Hi Marco,

 On Mon, 04. Mar 2013 at 11:37:15 +0100, Marco Hugentobler wrote:

 Disadvantage is that 15 March is too close for it to go into master.
 What
 should we do (wait for 2.1 /  shift feature freeze date / exception
 from
 feature freeze) ?

 How much time would you need?  Moving the date to say start of April
 wouldn't
 hurt.  Would that help?

 Jürgen







 --
 Dr. Marco Hugentobler
 Sourcepole -  Linux  Open Source Solutions
 Weberstrasse 5, CH-8004 Zürich, Switzerland
 marco.hugentob...@sourcepole.ch http://www.sourcepole.ch
 Technical Advisor QGIS Project Steering Committee

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Re: [Qgis-developer] ECW!!!

2013-03-15 Thread Ecofuego
It is very simple for Windows.  This is based on Giovanni Manghi's web page
http://www.faunalia.pt/node/438

However, instructions for copying the dlls into their respective directories
are not clear.  

On Windows:

(1) install Quantum GIS with the osgeo4w installer
(2) install this package
http://www.gisinternals.com/sdk/Download.aspx?file=release-1600-gdal-1-9...\gdal-19-1600-ecw.msi;
(obviously without the inverted commas)
(3) using windows explorer go inside c:\program files\gdal and find the two
.dlls, libecwj2.dll and gdal_ECW_JP2ECW.dll
(4) copy libecwj2.dll into the c:\OSGeo4W\bin folder
(5) gdal_ECW_JP2ECW.dll into the c:\OSGeo4W\bin\gdalplugins\1.9
(6) start up QGIS into the osgeo4w folder
(7) add raster layer using add raster layer command
(8) select the image file ending in ecw

There you have it.  It should work.  I successfully loaded ecw files this
morning.

Thanks Giovanni



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Re: [Qgis-developer] ECW!!!

2013-03-15 Thread Ecofuego

A slight revision.  I inserted the wrong link to the GDAL's MSI installer. 
The correct one is in place now.  It should work without a hitch.


It is very simple for Windows.  This is based on Giovanni Manghi's web page
http://www.faunalia.pt/node/438

However, instructions for copying the dlls into their respective directories
are not clear.  
 
On Windows: 

(1) install Quantum GIS with the osgeo4w installer 
(2) install this package
http://http://www.gisinternals.com/sdk/Download.aspx?file=release-1600-gdal-1-9-2-mapserver-6-2-0\gdal-19-1600-ecw.msi;
(obviously without the inverted commas)
 (3) using windows explorer go inside c:\program files\gdal and find the two
.dlls, libecwj2.dll and gdal_ECW_JP2ECW.dll
 (4) copy libecwj2.dll into the c:\OSGeo4W\bin folder 
(5) gdal_ECW_JP2ECW.dll into the c:\OSGeo4W\bin\gdalplugins\1.9 
(6) start up QGIS into the osgeo4w folder 
(7) add raster layer using add raster layer command 
(8) select the image file ending in ecw 

There you have it.  It should work.  I successfully loaded ecw files this
morning.
 
Thanks Giovanni 



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