[Paraview-developers] Access to the color legend and its modification

[Utkarsh Ayachit]

To overcome the build issue, just add the following line to your
CMakeLists.txt file after the add_paraview_plugin() call.

target_link_libraries(<pluginname> pqApplicationComponents)

Utkarsh

On Mon, Dec 8, 2014 at 8:05 AM, Maxim Glibin <maxim.glibin at gmail.com> wrote:

> Dear Utkarsh,
>
> Thanks a lot for your help.
> But I am not still understand how you can create a widget in the "Display"
> panel without overriding the standard widgets (like Color Editor).
> Is it possible to show a widget only within the selected filter?
>
> I have tried to subclass pqColorEditorPropertyWidget and I have
> compilation problems:
> 2>moc_pqMyColorEditorPropertyWidget.obj : error LNK2019: unresolved
> external symbol "__declspec(dllimport) public: virtual void * __thiscall
> pqColorEditorPropertyWidget::qt_metacast(char const *)" (__
> imp_?qt_metacast at pqColorEditorPropertyWidget@@UAEPAXPBD at Z) referenced in
> function "public: virtual void * __thiscall
> pqMyColorEditorPropertyWidget::qt_metacast(char const *)"
> (?qt_metacast at pqMyColorEditorPropertyWidget@@UAEPAXPBD at Z)
> 2>moc_pqMyColorEditorPropertyWidget.obj : error LNK2019: unresolved
> external symbol "__declspec(dllimport) public: virtual int __thiscall
> pqColorEditorPropertyWidget::qt_metacall(enum QMetaObject::Cal
> l,int,void * *)" (__imp_?qt_metacall at pqColorEditorPropertyWidget
> @@UAEHW4Call at QMetaObject@@HPAPAX at Z) referenced in function "public:
> virtual int __thiscall pqMyColorEditorPropertyWidget::qt_metacall(en
> um QMetaObject::Call,int,void * *)"
> (?qt_metacall at pqMyColorEditorPropertyWidget@@UAEHW4Call at QMetaObject
> @@HPAPAX at Z)
> 2>moc_pqMyColorEditorPropertyWidget.obj : error LNK2001: unresolved
> external symbol "__declspec(dllimport) public: static struct QMetaObject
> const pqColorEditorPropertyWidget::staticMetaObject" (__imp
> _?staticMetaObject at pqColorEditorPropertyWidget@@2UQMetaObject@@B)
> 2>pqMyColorEditorPropertyWidget.obj : error LNK2019: unresolved external
> symbol "__declspec(dllimport) public: __thiscall
> pqColorEditorPropertyWidget::pqColorEditorPropertyWidget(class vtkSMProxy
> *,cl
> ass QWidget *)" (__imp_??0pqColorEditorPropertyWidget@@QAE at PAVvtkSMProxy
> @@PAVQWidget@@@Z) referenced in function "public: __thiscall
> pqMyColorEditorPropertyWidget::pqMyColorEditorPropertyWidget(class
> vtkSMProxy *,class vtkSMProperty *,class QWidget *)"
> (??pqMyColorEditorPropertyWidget@@QAE at PAVvtkSMProxy@@PAVvtkSMProperty@
> @PAVQWidget@@@Z)
> 2>pqMyColorEditorPropertyWidget.obj : error LNK2019: unresolved external
> symbol "__declspec(dllimport) public: virtual __thiscall
> pqColorEditorPropertyWidget::~pqColorEditorPropertyWidget(void)" (__im
> p_??1pqColorEditorPropertyWidget@@UAE at XZ) referenced in function "public:
> virtual __thiscall
> pqMyColorEditorPropertyWidget::~pqMyColorEditorPropertyWidget(void)"
> (??1pqMyColorEditorPropertyWidget@@UAE
> @XZ)
>
> Best regards,
> Maxim
>
>
> 2014-12-07 19:55 GMT+03:00 Utkarsh Ayachit <utkarsh.ayachit at kitware.com>:
>
>> > 1. How can I assign my custom button into 'Display' panel?
>>
>> I am assuming you're using ParaView 4.2. There's no "Display" panel in
>> ParaView 4.2, but simply the Properties panel that shows
>> pqPropertyWidget instances for properties on proxies. The widget that
>> allows users to pick the array to color with is called
>> pqColorEditorPropertyWidget [1]. The Panel creates this widget when it
>> encounters a property group that requests 'ColorEditor' as the
>> "panel_widget" [2]. In your plugin, you can either subclass
>> pqColorEditorPropertyWidget or create a new one that you'd want to use
>> whenever "ColorEditor" widget is requested by any proxy. You can
>> register your widget for the TYPE set to "ColorEditor" in
>> add_paraview_property_group_widget() [3] and your widget will be used
>> instead of the default pqColorEditorPropertyWidget in the panel.
>>
>> > 2. How can I get an instance of color legend to change annotations by
>> using
>> > input or output information of filter?
>>
>> Now entirely sure what you're looking for, but here's a way:
>>
>> a). first track down the lookup-table ( transfer function) proxy of
>> interest. You can get it several ways: using the "LookupTable"
>> property on the "representation" proxy providing the data being
>> colored, or by using vtkSMTransferFunctionManager [4]. Once you have
>> the transfer function proxy, you can locate the legend for that in a
>> view using vtkSMTransferFunctionProxy::FindScalarBarRepresentation()
>> [5]. Look at the implementation for
>> vtkSMPVRepresentationProxy::SetScalarBarVisibility(); that'll give you
>> some hints.
>>
>> [1]
>> http://www.paraview.org/ParaView3/Doc/Nightly/www/cxx-doc/classpqColorEditorPropertyWidget.html
>> [2]
>> http://www.paraview.org/ParaView3/Doc/Nightly/www/cxx-doc/classpqStandardPropertyWidgetInterface.html#a83531c3804ae704d71dc917706e2e40e
>> [3]
>> http://www.paraview.org/Wiki/Plugin_HowTo#Adding_Customizations_for_Properties_Panel
>> [4]
>> http://www.paraview.org/ParaView3/Doc/Nightly/www/cxx-doc/classvtkSMTransferFunctionManager.html
>> [5]
>> http://www.paraview.org/ParaView3/Doc/Nightly/www/cxx-doc/classvtkSMTransferFunctionProxy.html#ac50a4c96be88696ca032048efc6c965a
>>
>>
>> On Fri, Dec 5, 2014 at 2:05 AM, Maxim Glibin <maxim.glibin at gmail.com>
>> wrote:
>> > Hello all,
>> >
>> > I am interested in creating a plugin filter that will change the color
>> > legend by pressing a button as shown at the attached picture.
>> >
>> > And I have a few questions:
>>
>> > 2. How can I get an instance of color legend to change annotations by
>> using
>> > input or output information of filter?
>> >
>> > Best regards,
>> > Maxim
>> >
>> > --
>> > Yours Sincerely,
>> > GLIBIN Maxim O. - Developer
>> > Phone : +7 (987) 533 00 55
>> > Email: maxim.glibin at gmail.com
>> >
>> >
>> > _______________________________________________
>> > Paraview-developers mailing list
>> > Paraview-developers at paraview.org
>> > http://public.kitware.com/mailman/listinfo/paraview-developers
>> >
>>
>
>
>
> --
> Yours Sincerely,
> *GLIBIN Maxim O.* - Developer
> Phone : +7 (987) 533 00 55
> Email: maxim.glibin at gmail.com
>
>
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