-
-
Notifications
You must be signed in to change notification settings - Fork 3k
/
qgsrasterlayerproperties.cpp
1697 lines (1516 loc) · 61.4 KB
/
qgsrasterlayerproperties.cpp
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
/***************************************************************************
qgsrasterlayerproperties.cpp - description
-------------------
begin : 1/1/2004
copyright : (C) 2004 Tim Sutton
email : tim@linfiniti.com
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#include <limits>
#include <typeinfo>
#include "qgsmaptopixel.h"
#include "qgsmapcanvas.h"
#include "qgsmaprenderer.h"
#include "qgslogger.h"
#include "qgsapplication.h"
#include "qgisapp.h"
#include "qgsbilinearrasterresampler.h"
#include "qgscubicrasterresampler.h"
#include "qgscoordinatetransform.h"
#include "qgsrasterlayerproperties.h"
#include "qgsrasterrenderer.h"
#include "qgsgenericprojectionselector.h"
#include "qgsproject.h"
#include "qgsrasterbandstats.h"
#include "qgsrasterlayer.h"
#include "qgsrasterpyramid.h"
#include "qgscontexthelp.h"
#include "qgsmaplayerregistry.h"
#include "qgscontrastenhancement.h"
#include "qgsrastertransparency.h"
#include "qgsmaptoolemitpoint.h"
#include "qgsrasterrendererregistry.h"
#include "qgsmultibandcolorrendererwidget.h"
#include "qgspalettedrendererwidget.h"
#include "qgssinglebandgrayrendererwidget.h"
#include "qgssinglebandpseudocolorrendererwidget.h"
#include <QTableWidgetItem>
#include <QHeaderView>
#include <QTextStream>
#include <QFileDialog>
#include <QMessageBox>
#include <QPainter>
#include <QLinearGradient>
#include <QPainterPath>
#include <QPolygonF>
#include <QColorDialog>
#include <QList>
#include <QSettings>
#include <QMouseEvent>
#include <QVector>
// QWT Charting widget
#include <qwt_global.h>
#include <qwt_plot_canvas.h>
#include <qwt_legend.h>
#include <qwt_plot.h>
#include <qwt_plot_curve.h>
#include <qwt_plot_grid.h>
QgsRasterLayerProperties::QgsRasterLayerProperties( QgsMapLayer* lyr, QgsMapCanvas* theCanvas, QWidget *parent, Qt::WFlags fl )
: QDialog( parent, fl ),
// Constant that signals property not used.
TRSTRING_NOT_SET( tr( "Not Set" ) ),
mRasterLayer( qobject_cast<QgsRasterLayer *>( lyr ) ), mRendererWidget( 0 )
{
mGrayMinimumMaximumEstimated = true;
mRGBMinimumMaximumEstimated = true;
setupUi( this );
connect( buttonBox, SIGNAL( accepted() ), this, SLOT( accept() ) );
connect( this, SIGNAL( accepted() ), this, SLOT( apply() ) );
connect( buttonBox->button( QDialogButtonBox::Apply ), SIGNAL( clicked() ), this, SLOT( apply() ) );
connect( sliderTransparency, SIGNAL( valueChanged( int ) ), this, SLOT( sliderTransparency_valueChanged( int ) ) );
// enable or disable Build Pyramids button depending on selection in pyramid list
connect( lbxPyramidResolutions, SIGNAL( itemSelectionChanged() ), this, SLOT( toggleBuildPyramidsButton() ) );
// set up the scale based layer visibility stuff....
chkUseScaleDependentRendering->setChecked( lyr->hasScaleBasedVisibility() );
leMinimumScale->setText( QString::number( lyr->minimumScale(), 'f' ) );
leMinimumScale->setValidator( new QDoubleValidator( 0, std::numeric_limits<float>::max(), 1000, this ) );
leMaximumScale->setText( QString::number( lyr->maximumScale(), 'f' ) );
leMaximumScale->setValidator( new QDoubleValidator( 0, std::numeric_limits<float>::max(), 1000, this ) );
leNoDataValue->setValidator( new QDoubleValidator( -std::numeric_limits<double>::max(), std::numeric_limits<double>::max(), 1000, this ) );
// build GUI components
QIcon myPyramidPixmap( QgisApp::getThemeIcon( "/mIconPyramid.png" ) );
QIcon myNoPyramidPixmap( QgisApp::getThemeIcon( "/mIconNoPyramid.png" ) );
pbnAddValuesManually->setIcon( QgisApp::getThemeIcon( "/mActionNewAttribute.png" ) );
pbnAddValuesFromDisplay->setIcon( QgisApp::getThemeIcon( "/mActionContextHelp.png" ) );
pbnRemoveSelectedRow->setIcon( QgisApp::getThemeIcon( "/mActionDeleteAttribute.png" ) );
pbnDefaultValues->setIcon( QgisApp::getThemeIcon( "/mActionCopySelected.png" ) );
pbnImportTransparentPixelValues->setIcon( QgisApp::getThemeIcon( "/mActionFileOpen.png" ) );
pbnExportTransparentPixelValues->setIcon( QgisApp::getThemeIcon( "/mActionFileSave.png" ) );
mSaveAsImageButton->setIcon( QgisApp::getThemeIcon( "/mActionFileSave.png" ) );
mMapCanvas = theCanvas;
mPixelSelectorTool = 0;
if ( mMapCanvas )
{
mPixelSelectorTool = new QgsMapToolEmitPoint( theCanvas );
connect( mPixelSelectorTool, SIGNAL( canvasClicked( const QgsPoint&, Qt::MouseButton ) ), this, SLOT( pixelSelected( const QgsPoint& ) ) );
}
else
{
pbnAddValuesFromDisplay->setEnabled( false );
}
if ( !mRasterLayer )
{
return;
}
QgsRasterDataProvider* provider = mRasterLayer->dataProvider();
// Only do pyramids if dealing directly with GDAL.
if ( provider->capabilities() & QgsRasterDataProvider::BuildPyramids )
{
QgsRasterLayer::RasterPyramidList myPyramidList = mRasterLayer->buildPyramidList();
QgsRasterLayer::RasterPyramidList::iterator myRasterPyramidIterator;
for ( myRasterPyramidIterator = myPyramidList.begin();
myRasterPyramidIterator != myPyramidList.end();
++myRasterPyramidIterator )
{
if ( myRasterPyramidIterator->exists )
{
lbxPyramidResolutions->addItem( new QListWidgetItem( myPyramidPixmap,
QString::number( myRasterPyramidIterator->xDim ) + QString( " x " ) +
QString::number( myRasterPyramidIterator->yDim ) ) );
}
else
{
lbxPyramidResolutions->addItem( new QListWidgetItem( myNoPyramidPixmap,
QString::number( myRasterPyramidIterator->xDim ) + QString( " x " ) +
QString::number( myRasterPyramidIterator->yDim ) ) );
}
}
}
else
{
// disable Pyramids tab completely
tabPagePyramids->setEnabled( false );
// disable Histogram tab completely
tabPageHistogram->setEnabled( false );
}
QgsDebugMsg( "Setting crs to " + mRasterLayer->crs().toWkt() );
QgsDebugMsg( "Setting crs to " + mRasterLayer->crs().authid() + " - " + mRasterLayer->crs().description() );
leSpatialRefSys->setText( mRasterLayer->crs().authid() + " - " + mRasterLayer->crs().description() );
leSpatialRefSys->setCursorPosition( 0 );
// Set text for pyramid info box
QString pyramidFormat( "<h2>%1</h2><p>%2 %3 %4</p><b><font color='red'><p>%5</p><p>%6</p>" );
QString pyramidHeader = tr( "Description" );
QString pyramidSentence1 = tr( "Large resolution raster layers can slow navigation in QGIS." );
QString pyramidSentence2 = tr( "By creating lower resolution copies of the data (pyramids) performance can be considerably improved as QGIS selects the most suitable resolution to use depending on the level of zoom." );
QString pyramidSentence3 = tr( "You must have write access in the directory where the original data is stored to build pyramids." );
QString pyramidSentence4 = tr( "Please note that building internal pyramids may alter the original data file and once created they cannot be removed!" );
QString pyramidSentence5 = tr( "Please note that building internal pyramids could corrupt your image - always make a backup of your data first!" );
tePyramidDescription->setHtml( pyramidFormat.arg( pyramidHeader ).arg( pyramidSentence1 )
.arg( pyramidSentence2 ).arg( pyramidSentence3 )
.arg( pyramidSentence4 ).arg( pyramidSentence5 ) );
// update based on lyr's current state
sync();
QSettings settings;
restoreGeometry( settings.value( "/Windows/RasterLayerProperties/geometry" ).toByteArray() );
tabBar->setCurrentIndex( settings.value( "/Windows/RasterLayerProperties/row" ).toInt() );
setWindowTitle( tr( "Layer Properties - %1" ).arg( lyr->name() ) );
int myHistogramTab = 5;
if ( tabBar->currentIndex() == myHistogramTab )
{
refreshHistogram();
}
tableTransparency->horizontalHeader()->setResizeMode( 0, QHeaderView::Stretch );
tableTransparency->horizontalHeader()->setResizeMode( 1, QHeaderView::Stretch );
//resampling
const QgsRasterRenderer* renderer = mRasterLayer->renderer();
mZoomedInResamplingComboBox->insertItem( 0, tr( "Nearest neighbour" ) );
mZoomedInResamplingComboBox->insertItem( 1, tr( "Bilinear" ) );
mZoomedInResamplingComboBox->insertItem( 2, tr( "Cubic" ) );
mZoomedOutResamplingComboBox->insertItem( 0, tr( "Nearest neighbour" ) );
mZoomedOutResamplingComboBox->insertItem( 1, tr( "Average" ) );
const QgsRasterResampleFilter* resampleFilter = mRasterLayer->resampleFilter();
//set combo boxes to current resampling types
if ( resampleFilter )
{
//invert color map
if ( renderer->invertColor() )
{
mInvertColorMapCheckBox->setCheckState( Qt::Checked );
}
const QgsRasterResampler* zoomedInResampler = resampleFilter->zoomedInResampler();
if ( zoomedInResampler )
{
if ( zoomedInResampler->type() == "bilinear" )
{
mZoomedInResamplingComboBox->setCurrentIndex( 1 );
}
else if ( zoomedInResampler->type() == "cubic" )
{
mZoomedInResamplingComboBox->setCurrentIndex( 2 );
}
}
else
{
mZoomedInResamplingComboBox->setCurrentIndex( 0 );
}
const QgsRasterResampler* zoomedOutResampler = resampleFilter->zoomedOutResampler();
if ( zoomedOutResampler )
{
if ( zoomedOutResampler->type() == "bilinear" ) //bilinear resampler does averaging when zooming out
{
mZoomedOutResamplingComboBox->setCurrentIndex( 1 );
}
}
else
{
mZoomedOutResamplingComboBox->setCurrentIndex( 0 );
}
mMaximumOversamplingSpinBox->setValue( resampleFilter->maxOversampling() );
}
//transparency band
if ( provider )
{
cboxTransparencyBand->addItem( tr( "None" ), -1 );
int nBands = provider->bandCount();
for ( int i = 1; i <= nBands; ++i ) //band numbering seem to start at 1
{
cboxTransparencyBand->addItem( provider->colorInterpretationName( i ), i );
}
if ( renderer )
{
cboxTransparencyBand->setCurrentIndex( cboxTransparencyBand->findData( renderer->alphaBand() ) );
}
}
//insert renderer widgets into registry
QgsRasterRendererRegistry::instance()->insertWidgetFunction( "paletted", QgsPalettedRendererWidget::create );
QgsRasterRendererRegistry::instance()->insertWidgetFunction( "multibandcolor", QgsMultiBandColorRendererWidget::create );
QgsRasterRendererRegistry::instance()->insertWidgetFunction( "singlebandpseudocolor", QgsSingleBandPseudoColorRendererWidget::create );
QgsRasterRendererRegistry::instance()->insertWidgetFunction( "singlebandgray", QgsSingleBandGrayRendererWidget::create );
//fill available renderers into combo box
QList< QgsRasterRendererRegistryEntry > rendererEntries = QgsRasterRendererRegistry::instance()->entries();
QList< QgsRasterRendererRegistryEntry >::const_iterator rendererIt = rendererEntries.constBegin();
for ( ; rendererIt != rendererEntries.constEnd(); ++rendererIt )
{
mRenderTypeComboBox->addItem( rendererIt->visibleName, rendererIt->name );
}
if ( renderer )
{
QString rendererType = renderer->type();
int widgetIndex = mRenderTypeComboBox->findData( rendererType );
if ( widgetIndex != -1 )
{
mRenderTypeComboBox->setCurrentIndex( widgetIndex );
}
//prevent change between singleband color renderer and the other renderers
if ( rendererType == "singlebandcolordata" )
{
mRenderTypeComboBox->setEnabled( false );
}
else
{
mRenderTypeComboBox->removeItem( mRenderTypeComboBox->findData( "singlebandcolordata" ) );
}
}
on_mRenderTypeComboBox_currentIndexChanged( mRenderTypeComboBox->currentIndex() );
updatePipeList();
} // QgsRasterLayerProperties ctor
QgsRasterLayerProperties::~QgsRasterLayerProperties()
{
QSettings settings;
settings.setValue( "/Windows/RasterLayerProperties/geometry", saveGeometry() );
settings.setValue( "/Windows/RasterLayerProperties/row", tabBar->currentIndex() );
if ( mPixelSelectorTool )
{
delete mPixelSelectorTool;
}
}
/*
*
* PUBLIC METHODS
*
*/
void QgsRasterLayerProperties::populateTransparencyTable()
{
QgsDebugMsg( "entering." );
if ( !mRasterLayer )
{
return;
}
QgsRasterRenderer* renderer = mRasterLayer->renderer();
if ( !renderer )
{
return;
}
const QgsRasterTransparency* rasterTransparency = renderer->rasterTransparency();
//Clear existing color transparency list
//NOTE: May want to just tableTransparency->clearContents() and fill back in after checking to be sure list and table are the same size
QString myNumberFormatter;
if ( mRasterLayer->bandCount() == 3 )
{
for ( int myTableRunner = tableTransparency->rowCount() - 1; myTableRunner >= 0; myTableRunner-- )
{
tableTransparency->removeRow( myTableRunner );
}
tableTransparency->clear();
tableTransparency->setColumnCount( 4 );
tableTransparency->setHorizontalHeaderItem( 0, new QTableWidgetItem( tr( "Red" ) ) );
tableTransparency->setHorizontalHeaderItem( 1, new QTableWidgetItem( tr( "Green" ) ) );
tableTransparency->setHorizontalHeaderItem( 2, new QTableWidgetItem( tr( "Blue" ) ) );
tableTransparency->setHorizontalHeaderItem( 3, new QTableWidgetItem( tr( "Percent Transparent" ) ) );
//populate three band transparency list
if ( rasterTransparency )
{
QList<QgsRasterTransparency::TransparentThreeValuePixel> myTransparentThreeValuePixelList = rasterTransparency->transparentThreeValuePixelList();
for ( int myListRunner = 0; myListRunner < myTransparentThreeValuePixelList.count(); myListRunner++ )
{
tableTransparency->insertRow( myListRunner );
QTableWidgetItem* myRedItem = new QTableWidgetItem( myNumberFormatter.sprintf( "%.2f", myTransparentThreeValuePixelList[myListRunner].red ) );
QTableWidgetItem* myGreenItem = new QTableWidgetItem( myNumberFormatter.sprintf( "%.2f", myTransparentThreeValuePixelList[myListRunner].green ) );
QTableWidgetItem* myBlueItem = new QTableWidgetItem( myNumberFormatter.sprintf( "%.2f", myTransparentThreeValuePixelList[myListRunner].blue ) );
QTableWidgetItem* myPercentTransparentItem = new QTableWidgetItem( myNumberFormatter.sprintf( "%.2f", myTransparentThreeValuePixelList[myListRunner].percentTransparent ) );
tableTransparency->setItem( myListRunner, 0, myRedItem );
tableTransparency->setItem( myListRunner, 1, myGreenItem );
tableTransparency->setItem( myListRunner, 2, myBlueItem );
tableTransparency->setItem( myListRunner, 3, myPercentTransparentItem );
}
}
}
else if ( mRasterLayer->bandCount() == 1 )
{
//Clear existing single band or palette values transparency list
for ( int myTableRunner = tableTransparency->rowCount() - 1; myTableRunner >= 0; myTableRunner-- )
{
tableTransparency->removeRow( myTableRunner );
}
tableTransparency->clear();
tableTransparency->setColumnCount( 2 );
if ( QgsRasterLayer::PalettedColor != mRasterLayer->drawingStyle() &&
QgsRasterLayer::PalettedSingleBandGray != mRasterLayer->drawingStyle() &&
QgsRasterLayer::PalettedSingleBandPseudoColor != mRasterLayer->drawingStyle() &&
QgsRasterLayer::PalettedMultiBandColor != mRasterLayer->drawingStyle() )
{
tableTransparency->setHorizontalHeaderItem( 0, new QTableWidgetItem( tr( "Gray" ) ) );
}
else
{
tableTransparency->setHorizontalHeaderItem( 0, new QTableWidgetItem( tr( "Indexed Value" ) ) );
}
tableTransparency->setHorizontalHeaderItem( 1, new QTableWidgetItem( tr( "Percent Transparent" ) ) );
//populate gray transparency list
if ( rasterTransparency )
{
QList<QgsRasterTransparency::TransparentSingleValuePixel> myTransparentSingleValuePixelList = rasterTransparency->transparentSingleValuePixelList();
for ( int myListRunner = 0; myListRunner < myTransparentSingleValuePixelList.count(); myListRunner++ )
{
tableTransparency->insertRow( myListRunner );
QTableWidgetItem* myGrayItem = new QTableWidgetItem( myNumberFormatter.sprintf( "%g", myTransparentSingleValuePixelList[myListRunner].pixelValue ) );
QTableWidgetItem* myPercentTransparentItem = new QTableWidgetItem( myNumberFormatter.sprintf( "%.2f", myTransparentSingleValuePixelList[myListRunner].percentTransparent ) );
tableTransparency->setItem( myListRunner, 0, myGrayItem );
tableTransparency->setItem( myListRunner, 1, myPercentTransparentItem );
}
}
}
tableTransparency->resizeColumnsToContents();
tableTransparency->resizeRowsToContents();
}
void QgsRasterLayerProperties::setRendererWidget( const QString& rendererName )
{
delete mRendererWidget;
mRendererWidget = 0;
QgsRasterRendererRegistryEntry rendererEntry;
if ( QgsRasterRendererRegistry::instance()->rendererData( rendererName, rendererEntry ) )
{
if ( rendererEntry.widgetCreateFunction ) //single band color data renderer e.g. has no widget
{
mRendererWidget = ( *rendererEntry.widgetCreateFunction )( mRasterLayer );
mRendererStackedWidget->addWidget( mRendererWidget );
}
}
}
/**
@note moved from ctor
Previously this dialog was created anew with each right-click pop-up menu
invokation. Changed so that the dialog always exists after first
invocation, and is just re-synchronized with its layer's state when
re-shown.
*/
void QgsRasterLayerProperties::sync()
{
QSettings myQSettings;
if ( mRasterLayer->dataProvider()->dataType( 1 ) == QgsRasterDataProvider::ARGB32
|| mRasterLayer->dataProvider()->dataType( 1 ) == QgsRasterDataProvider::ARGB32_Premultiplied )
{
gboxNoDataValue->setEnabled( false );
gboxCustomTransparency->setEnabled( false );
tabBar->setCurrentWidget( tabPageMetadata );
}
if ( !( mRasterLayer->dataProvider()->capabilities() & QgsRasterDataProvider::BuildPyramids ) )
{
if ( tabPagePyramids != NULL )
{
delete tabPagePyramids;
tabPagePyramids = NULL;
}
}
if ( !( mRasterLayer->dataProvider()->capabilities() & QgsRasterDataProvider::Histogram ) )
{
if ( tabPageHistogram != NULL )
{
delete tabPageHistogram;
tabPageHistogram = NULL;
}
}
QgsDebugMsg( "populate transparency tab" );
/*
* Transparent Pixel Tab
*/
//set the transparency slider
QgsRasterRenderer* renderer = mRasterLayer->renderer();
if ( renderer )
{
sliderTransparency->setValue(( 1.0 - renderer->opacity() ) * 255 );
//update the transparency percentage label
sliderTransparency_valueChanged(( 1.0 - renderer->opacity() ) * 255 );
int myIndex = renderer->alphaBand();
if ( -1 != myIndex )
{
cboxTransparencyBand->setCurrentIndex( myIndex );
}
else
{
cboxTransparencyBand->setCurrentIndex( cboxTransparencyBand->findText( TRSTRING_NOT_SET ) );
}
}
//add current NoDataValue to NoDataValue line edit
if ( mRasterLayer->isNoDataValueValid() )
{
leNoDataValue->insert( QString::number( mRasterLayer->noDataValue(), 'g' ) );
}
else
{
leNoDataValue->insert( "" );
}
populateTransparencyTable();
QgsDebugMsg( "populate colormap tab" );
/*
* Transparent Pixel Tab
*/
QgsDebugMsg( "populate general tab" );
/*
* General Tab
*/
//these properties (layer name and label) are provided by the qgsmaplayer superclass
leLayerSource->setText( mRasterLayer->source() );
leDisplayName->setText( mRasterLayer->name() );
//display the raster dimensions and no data value
if ( mRasterLayer->dataProvider()->capabilities() & QgsRasterDataProvider::Size )
{
lblColumns->setText( tr( "Columns: %1" ).arg( mRasterLayer->width() ) );
lblRows->setText( tr( "Rows: %1" ).arg( mRasterLayer->height() ) );
}
else
{
// TODO: Account for fixedWidth and fixedHeight WMS layers
lblColumns->setText( tr( "Columns: " ) + tr( "n/a" ) );
lblRows->setText( tr( "Rows: " ) + tr( "n/a" ) );
}
if ( mRasterLayer->dataProvider()->dataType( 1 ) == QgsRasterDataProvider::ARGB32
|| mRasterLayer->dataProvider()->dataType( 1 ) == QgsRasterDataProvider::ARGB32_Premultiplied )
{
lblNoData->setText( tr( "No-Data Value: " ) + tr( "n/a" ) );
}
else
{
if ( mRasterLayer->isNoDataValueValid() )
{
lblNoData->setText( tr( "No-Data Value: %1" ).arg( mRasterLayer->noDataValue() ) );
}
else
{
lblNoData->setText( tr( "No-Data Value: Not Set" ) );
}
}
//get the thumbnail for the layer
QPixmap myQPixmap = QPixmap( pixmapThumbnail->width(), pixmapThumbnail->height() );
mRasterLayer->thumbnailAsPixmap( &myQPixmap );
pixmapThumbnail->setPixmap( myQPixmap );
//update the legend pixmap on this dialog
//pixmapLegend->setPixmap( mRasterLayer->legendAsPixmap() );
pixmapLegend->setScaledContents( true );
pixmapLegend->repaint();
//set the palette pixmap
//pixmapPalette->setPixmap( mRasterLayer->paletteAsPixmap( mRasterLayer->bandNumber( mRasterLayer->grayBandName() ) ) );
pixmapPalette->setScaledContents( true );
pixmapPalette->repaint();
QgsDebugMsg( "populate metadata tab" );
/*
* Metadata Tab
*/
//populate the metadata tab's text browser widget with gdal metadata info
QString myStyle = QgsApplication::reportStyleSheet();
txtbMetadata->document()->setDefaultStyleSheet( myStyle );
txtbMetadata->setHtml( mRasterLayer->metadata() );
mLayerTitleLineEdit->setText( mRasterLayer->title() );
mLayerAbstractTextEdit->setPlainText( mRasterLayer->abstract() );
} // QgsRasterLayerProperties::sync()
/*
*
* PUBLIC AND PRIVATE SLOTS
*
*/
void QgsRasterLayerProperties::apply()
{
QgsDebugMsg( "apply processing symbology tab" );
/*
* Symbology Tab
*/
//set whether the layer histogram should be inverted
//mRasterLayer->setInvertHistogram( cboxInvertColorMap->isChecked() );
QgsDebugMsg( "processing transparency tab" );
/*
* Transparent Pixel Tab
*/
//set NoDataValue
bool myDoubleOk = false;
if ( "" != leNoDataValue->text() )
{
double myNoDataValue = leNoDataValue->text().toDouble( &myDoubleOk );
if ( myDoubleOk )
{
mRasterLayer->setNoDataValue( myNoDataValue );
}
}
//set renderer from widget
QgsRasterRendererWidget* rendererWidget = dynamic_cast<QgsRasterRendererWidget*>( mRendererStackedWidget->currentWidget() );
if ( rendererWidget )
{
mRasterLayer->setRenderer( rendererWidget->renderer() );
}
//transparency settings
QgsRasterRenderer* rasterRenderer = mRasterLayer->renderer();
rasterRenderer->setAlphaBand( cboxTransparencyBand->itemData( cboxTransparencyBand->currentIndex() ).toInt() );
//Walk through each row in table and test value. If not valid set to 0.0 and continue building transparency list
QgsRasterTransparency* rasterTransparency = new QgsRasterTransparency();
if ( mRasterLayer->bandCount() == 3 )
{
double myTransparentValue;
double myPercentTransparent;
QgsRasterTransparency::TransparentThreeValuePixel myTransparentPixel;
QList<QgsRasterTransparency::TransparentThreeValuePixel> myTransparentThreeValuePixelList;
for ( int myListRunner = 0; myListRunner < tableTransparency->rowCount(); myListRunner++ )
{
if ( !tableTransparency->item( myListRunner, 0 ) )
{
myTransparentPixel.red = 0.0;
QTableWidgetItem* newItem = new QTableWidgetItem( "0.0" );
tableTransparency->setItem( myListRunner, 0, newItem );
}
else
{
myTransparentValue = tableTransparency->item( myListRunner, 0 )->text().toDouble( &myDoubleOk );
if ( myDoubleOk )
{
myTransparentPixel.red = myTransparentValue;
}
else
{
myTransparentPixel.red = 0.0;
tableTransparency->item( myListRunner, 0 )->setText( "0.0" );
}
}
if ( !tableTransparency->item( myListRunner, 1 ) )
{
myTransparentPixel.green = 0.0;
QTableWidgetItem* newItem = new QTableWidgetItem( "0.0" );
tableTransparency->setItem( myListRunner, 1, newItem );
}
else
{
myTransparentValue = tableTransparency->item( myListRunner, 1 )->text().toDouble( &myDoubleOk );
if ( myDoubleOk )
{
myTransparentPixel.green = myTransparentValue;
}
else
{
myTransparentPixel.green = 0.0;
tableTransparency->item( myListRunner, 1 )->setText( "0.0" );
}
}
if ( !tableTransparency->item( myListRunner, 2 ) )
{
myTransparentPixel.blue = 0.0;
QTableWidgetItem* newItem = new QTableWidgetItem( "0.0" );
tableTransparency->setItem( myListRunner, 2, newItem );
}
else
{
myTransparentValue = tableTransparency->item( myListRunner, 2 )->text().toDouble( &myDoubleOk );
if ( myDoubleOk )
{
myTransparentPixel.blue = myTransparentValue;
}
else
{
myTransparentPixel.blue = 0.0;
tableTransparency->item( myListRunner, 2 )->setText( "0.0" );
}
}
if ( !tableTransparency->item( myListRunner, 3 ) )
{
myTransparentPixel.percentTransparent = 100.0;
QTableWidgetItem* newItem = new QTableWidgetItem( "100.0" );
tableTransparency->setItem( myListRunner, 3, newItem );
}
else
{
QString myNumberFormatter;
myPercentTransparent = tableTransparency->item( myListRunner, 3 )->text().toDouble( &myDoubleOk );
if ( myDoubleOk )
{
if ( myPercentTransparent > 100.0 )
myTransparentPixel.percentTransparent = 100.0;
else if ( myPercentTransparent < 0.0 )
myTransparentPixel.percentTransparent = 0.0;
else
myTransparentPixel.percentTransparent = myPercentTransparent;
tableTransparency->item( myListRunner, 3 )->setText( myNumberFormatter.sprintf( "%.2f", myTransparentPixel.percentTransparent ) );
}
else
{
myTransparentPixel.percentTransparent = 100.0;
tableTransparency->item( myListRunner, 3 )->setText( "100.0" );
}
}
myTransparentThreeValuePixelList.append( myTransparentPixel );
}
rasterTransparency->setTransparentThreeValuePixelList( myTransparentThreeValuePixelList );
}
else if ( mRasterLayer->bandCount() == 1 )
{
double myTransparentValue;
double myPercentTransparent;
QgsRasterTransparency::TransparentSingleValuePixel myTransparentPixel;
QList<QgsRasterTransparency::TransparentSingleValuePixel> myTransparentSingleValuePixelList;
for ( int myListRunner = 0; myListRunner < tableTransparency->rowCount(); myListRunner++ )
{
if ( !tableTransparency->item( myListRunner, 0 ) )
{
myTransparentPixel.pixelValue = 0.0;
QTableWidgetItem* newItem = new QTableWidgetItem( "0.0" );
tableTransparency->setItem( myListRunner, 0, newItem );
}
else
{
myTransparentValue = tableTransparency->item( myListRunner, 0 )->text().toDouble( &myDoubleOk );
if ( myDoubleOk )
{
myTransparentPixel.pixelValue = myTransparentValue;
}
else
{
myTransparentPixel.pixelValue = 0.0;
tableTransparency->item( myListRunner, 0 )->setText( "0.0" );
}
}
if ( !tableTransparency->item( myListRunner, 1 ) )
{
myTransparentPixel.percentTransparent = 100.0;
QTableWidgetItem* newItem = new QTableWidgetItem( "100.0" );
tableTransparency->setItem( myListRunner, 1, newItem );
}
else
{
QString myNumberFormatter;
myPercentTransparent = tableTransparency->item( myListRunner, 1 )->text().toDouble( &myDoubleOk );
if ( myDoubleOk )
{
if ( myPercentTransparent > 100.0 )
myTransparentPixel.percentTransparent = 100.0;
else if ( myPercentTransparent < 0.0 )
myTransparentPixel.percentTransparent = 0.0;
else
myTransparentPixel.percentTransparent = myPercentTransparent;
tableTransparency->item( myListRunner, 1 )->setText( myNumberFormatter.sprintf( "%.2f", myTransparentPixel.percentTransparent ) );
}
else
{
myTransparentPixel.percentTransparent = 100.0;
tableTransparency->item( myListRunner, 1 )->setText( "100.0" );
}
}
myTransparentSingleValuePixelList.append( myTransparentPixel );
}
rasterTransparency->setTransparentSingleValuePixelList( myTransparentSingleValuePixelList );
}
rasterRenderer->setRasterTransparency( rasterTransparency );
//set global transparency
rasterRenderer->setOpacity(( 255 - sliderTransparency->value() ) / 255.0 );
//invert color map
rasterRenderer->setInvertColor( mInvertColorMapCheckBox->isChecked() );
QgsDebugMsg( "processing general tab" );
/*
* General Tab
*/
mRasterLayer->setLayerName( leDisplayName->text() );
// set up the scale based layer visibility stuff....
mRasterLayer->toggleScaleBasedVisibility( chkUseScaleDependentRendering->isChecked() );
mRasterLayer->setMinimumScale( leMinimumScale->text().toFloat() );
mRasterLayer->setMaximumScale( leMaximumScale->text().toFloat() );
//update the legend pixmap
pixmapLegend->setPixmap( mRasterLayer->legendAsPixmap() );
pixmapLegend->setScaledContents( true );
pixmapLegend->repaint();
QgsRasterResampleFilter* resampleFilter = mRasterLayer->resampleFilter();
QgsRasterResampler* zoomedInResampler = 0;
QString zoomedInResamplingMethod = mZoomedInResamplingComboBox->currentText();
if ( zoomedInResamplingMethod == tr( "Bilinear" ) )
{
zoomedInResampler = new QgsBilinearRasterResampler();
}
else if ( zoomedInResamplingMethod == tr( "Cubic" ) )
{
zoomedInResampler = new QgsCubicRasterResampler();
}
if ( resampleFilter )
{
resampleFilter->setZoomedInResampler( zoomedInResampler );
}
//raster resampling
QgsRasterResampler* zoomedOutResampler = 0;
QString zoomedOutResamplingMethod = mZoomedOutResamplingComboBox->currentText();
if ( zoomedOutResamplingMethod == tr( "Average" ) )
{
zoomedOutResampler = new QgsBilinearRasterResampler();
}
if ( resampleFilter )
{
resampleFilter->setZoomedOutResampler( zoomedOutResampler );
}
if ( resampleFilter )
{
resampleFilter->setMaxOversampling( mMaximumOversamplingSpinBox->value() );
}
//get the thumbnail for the layer
QPixmap myQPixmap = QPixmap( pixmapThumbnail->width(), pixmapThumbnail->height() );
mRasterLayer->thumbnailAsPixmap( &myQPixmap );
pixmapThumbnail->setPixmap( myQPixmap );
mRasterLayer->setTitle( mLayerTitleLineEdit->text() );
mRasterLayer->setAbstract( mLayerAbstractTextEdit->toPlainText() );
// update symbology
emit refreshLegend( mRasterLayer->id(), false );
//no need to delete the old one, maplayer will do it if needed
mRasterLayer->setCacheImage( 0 );
//make sure the layer is redrawn
mRasterLayer->triggerRepaint();
// notify the project we've made a change
QgsProject::instance()->dirty( true );
updatePipeList();
}//apply
void QgsRasterLayerProperties::on_buttonBuildPyramids_clicked()
{
connect( mRasterLayer, SIGNAL( progressUpdate( int ) ), mPyramidProgress, SLOT( setValue( int ) ) );
//
// Go through the list marking any files that are selected in the listview
// as true so that we can generate pyramids for them.
//
QgsRasterLayer::RasterPyramidList myPyramidList = mRasterLayer->buildPyramidList();
for ( int myCounterInt = 0; myCounterInt < lbxPyramidResolutions->count(); myCounterInt++ )
{
QListWidgetItem *myItem = lbxPyramidResolutions->item( myCounterInt );
//mark to be pyramided
myPyramidList[myCounterInt].build = myItem->isSelected() || myPyramidList[myCounterInt].exists;
}
//
// Ask raster layer to build the pyramids
//
// let the user know we're going to possibly be taking a while
QApplication::setOverrideCursor( Qt::WaitCursor );
bool myBuildInternalFlag = cbxInternalPyramids->isChecked();
QString res = mRasterLayer->buildPyramids(
myPyramidList,
cboResamplingMethod->currentText(),
myBuildInternalFlag );
QApplication::restoreOverrideCursor();
mPyramidProgress->setValue( 0 );
buttonBuildPyramids->setEnabled( false );
disconnect( mRasterLayer, SIGNAL( progressUpdate( int ) ), mPyramidProgress, SLOT( setValue( int ) ) );
if ( !res.isNull() )
{
if ( res == "ERROR_WRITE_ACCESS" )
{
QMessageBox::warning( this, tr( "Write access denied" ),
tr( "Write access denied. Adjust the file permissions and try again." ) );
}
else if ( res == "ERROR_WRITE_FORMAT" )
{
QMessageBox::warning( this, tr( "Building pyramids failed." ),
tr( "The file was not writable. Some formats do not "
"support pyramid overviews. Consult the GDAL documentation if in doubt." ) );
}
else if ( res == "FAILED_NOT_SUPPORTED" )
{
QMessageBox::warning( this, tr( "Building pyramids failed." ),
tr( "Building pyramid overviews is not supported on this type of raster." ) );
}
else if ( res == "ERROR_JPEG_COMPRESSION" )
{
QMessageBox::warning( this, tr( "Building pyramids failed." ),
tr( "Building internal pyramid overviews is not supported on raster layers with JPEG compression and your current libtiff library." ) );
}
else if ( res == "ERROR_VIRTUAL" )
{
QMessageBox::warning( this, tr( "Building pyramids failed." ),
tr( "Building pyramid overviews is not supported on this type of raster." ) );
}
}
//
// repopulate the pyramids list
//
lbxPyramidResolutions->clear();
// Need to rebuild list as some or all pyramids may have failed to build
myPyramidList = mRasterLayer->buildPyramidList();
QIcon myPyramidPixmap( QgisApp::getThemeIcon( "/mIconPyramid.png" ) );
QIcon myNoPyramidPixmap( QgisApp::getThemeIcon( "/mIconNoPyramid.png" ) );
QgsRasterLayer::RasterPyramidList::iterator myRasterPyramidIterator;
for ( myRasterPyramidIterator = myPyramidList.begin();
myRasterPyramidIterator != myPyramidList.end();
++myRasterPyramidIterator )
{
if ( myRasterPyramidIterator->exists )
{
lbxPyramidResolutions->addItem( new QListWidgetItem( myPyramidPixmap,
QString::number( myRasterPyramidIterator->xDim ) + QString( " x " ) +
QString::number( myRasterPyramidIterator->yDim ) ) );
}
else
{
lbxPyramidResolutions->addItem( new QListWidgetItem( myNoPyramidPixmap,
QString::number( myRasterPyramidIterator->xDim ) + QString( " x " ) +
QString::number( myRasterPyramidIterator->yDim ) ) );
}
}
//update the legend pixmap
pixmapLegend->setPixmap( mRasterLayer->legendAsPixmap() );
pixmapLegend->setScaledContents( true );
pixmapLegend->repaint();
//populate the metadata tab's text browser widget with gdal metadata info
QString myStyle = QgsApplication::reportStyleSheet();
txtbMetadata->setHtml( mRasterLayer->metadata() );
txtbMetadata->document()->setDefaultStyleSheet( myStyle );
}
void QgsRasterLayerProperties::on_mRenderTypeComboBox_currentIndexChanged( int index )
{
if ( index < 0 )
{
return;
}
QString rendererName = mRenderTypeComboBox->itemData( index ).toString();
setRendererWidget( rendererName );
}
void QgsRasterLayerProperties::on_pbnAddValuesFromDisplay_clicked()
{
if ( mMapCanvas && mPixelSelectorTool )
{
mMapCanvas->setMapTool( mPixelSelectorTool );
//Need to work around the modality of the dialog but can not just hide() it.
setModal( false );
lower();
}
}
void QgsRasterLayerProperties::on_pbnAddValuesManually_clicked()
{
tableTransparency->insertRow( tableTransparency->rowCount() );
tableTransparency->setItem( tableTransparency->rowCount() - 1, tableTransparency->columnCount() - 1, new QTableWidgetItem( "100.0" ) );
}
void QgsRasterLayerProperties::on_pbnChangeSpatialRefSys_clicked()
{
QgsGenericProjectionSelector * mySelector = new QgsGenericProjectionSelector( this );
mySelector->setSelectedCrsId( mRasterLayer->crs().srsid() );
if ( mySelector->exec() )