profilevisualization.py

        self.plotSettingsModel = PlotSettingsModel(self.pxCollection, parent=self)
        self.plotSettingsModel.sigSensorAdded.connect(self.setData)
        self.plotSettingsModel.sigVisibilityChanged.connect(self.setVisibility)
        #self.plotSettingsModel.sigVisibilityChanged.connect(self.loadData)
        self.plotSettingsModel.sigDataChanged.connect(self.setData)

        #self.plotSettingsModel.sigVisiblityChanged.connect(self.refresh)
        self.plotSettingsModel.rowsInserted.connect(self.onRowsInserted)
        #self.plotSettingsModel.modelReset.connect(self.updatePersistantWidgets)
        self.TV.setModel(self.plotSettingsModel)
        self.delegate = PlotSettingsWidgetDelegate(self.TV)
        self.TV.setItemDelegateForColumn(2, self.delegate)
        self.TV.setItemDelegateForColumn(3, self.delegate)
        #self.TV.setItemDelegateForColumn(3, PointStyleDelegate(self.TV))

        for s in self.pxCollection.sensorPxLayers.keys():
            self.plotSettingsModel.addSensor(s)

        self.pxCollection.sigPixelAdded.connect(lambda : self.setData())
        self.pxCollection.sigPixelRemoved.connect(self.clear)
        self.ui.pixelLoader.sigLoadingStarted.connect(self.clear)
        self.ui.pixelLoader.sigLoadingFinished.connect(lambda : self.plot2D.enableAutoRange('x', False))

        # self.VIEW.setItemDelegateForColumn(3, PointStyleDelegate(self.VIEW))
        self.plotData2D = dict()
        self.plotData3D = dict()
        self.setData()

    def updatePersistantWidgets(self):
        model = self.TV.model()
        if model:
            colExpression = model.columnames.index('y-value')
            colStyle = model.columnames.index('style')
            for row in range(model.rowCount()):
                idxExpr = model.createIndex(row, colExpression)
                idxStyle = model.createIndex(row, colStyle)
                #self.TV.closePersistentEditor(idxExpr)
                #self.TV.closePersistentEditor(idxStyle)
                self.TV.openPersistentEditor(idxExpr)
                self.TV.openPersistentEditor(idxStyle)

                #self.TV.openPersistentEditor(model.createIndex(start, colStyle))
            s = ""


    def onRowsInserted(self, parent, start, end):
        model = self.TV.model()
        if model:
            colExpression = model.columnames.index('y-value')
            colStyle = model.columnames.index('style')
            while start <= end:
                idxExpr = model.createIndex(start, colExpression)
                idxStyle = model.createIndex(start, colStyle)
                self.TV.openPersistentEditor(idxExpr)
                self.TV.openPersistentEditor(idxStyle)
                start += 1
                #self.TV.openPersistentEditor(model.createIndex(start, colStyle))
            s = ""

    def onObservationClicked(self, plotDataItem, points):
        for p in points:
            tsd = p.data()
            print(tsd)
        s =""

    def clear(self):
        #first remove from pixelCollection
        self.pxCollection.clearPixels()
        self.plotData2D.clear()
        self.plotData3D.clear()
        pi = self.plot2D.getPlotItem()
        plotItems = pi.listDataItems()
        for p in plotItems:
            p.clear()
            p.update()

        if len(self.ui.TS) > 0:
            rng = [self.ui.TS[0].date, self.ui.TS[-1].date]
            rng = [date2num(d) for d in rng]
            self.plot2D.getPlotItem().setRange(xRange=rng)
        QApplication.processEvents()
        if self.plot3D:
            pass


    def setVisibility(self, sensorView):
        assert isinstance(sensorView, SensorPlotSettings)
        self.setVisibility2D(sensorView)

    def setVisibility2D(self, sensorView):
        assert isinstance(sensorView, SensorPlotSettings)
        p = self.plotData2D[sensorView.sensor]
        #assert isinstance(p, pg.PlotDataItem)
        p.setData(symbol=sensorView.markerSymbol, symbolBrush=sensorView.markerBrush,
                       symbolPen=sensorView.markerPen, symbolSize=sensorView.markerSize,
                       pen = sensorView.linePen, width=sensorView.linePen.width())

        p.setVisible(sensorView.isVisible)
        p.update()
        self.plot2D.update()
        s =""


    def setData(self, sensorView = None):

        if sensorView is None:
            for sv in self.plotSettingsModel.items:
                self.setData(sv)
        else:
            assert isinstance(sensorView, SensorPlotSettings)
            self.setData2D(sensorView)

        pass

    def setData2D(self, sensorView):
        assert isinstance(sensorView, SensorPlotSettings)

        if sensorView.sensor not in self.plotData2D.keys():
            #plotDataItem = SensorPoints(name=sensorView.sensor.name(), pen=None, symbol='o', symbolPen=None)
            #plotDataItem = pg.ScatterPlotItem(name=sensorView.sensor.name(), pen= {'color': 'w', 'width': 2},brush=QColor('green'), symbol='o')
            #self.plot2D.addItem(plotDataItem)


            plotDataItem = self.plot2D.plot(name=sensorView.sensor.name(), pen=None, symbol='o', symbolPen=None)
            #plotDataItem.curve.setClickable(True)
            plotDataItem.sigPointsClicked.connect(self.onObservationClicked)

            #self.plot2D.scene().addItem(plotDataItem)
            #self.plot2D.setMenuEnabled(True)
            #self.plot2D.addItem(plotDataItem)
            self.plotData2D[sensorView.sensor] = plotDataItem
            self.setVisibility2D(sensorView)

        plotDataItem = self.plotData2D[sensorView.sensor]
        plotDataItem.setToolTip('Values {}'.format(sensorView.sensor.name()))


        #https://github.com/pyqtgraph/pyqtgraph/blob/5195d9dd6308caee87e043e859e7e553b9887453/examples/customPlot.py

        tsds, values = self.pxCollection.dateValues(sensorView.sensor, sensorView.expression)
        if len(tsds) > 0:
            dates = np.asarray([date2num(tsd.date) for tsd in tsds])
            values = np.asarray(values)

            #item = pg.PlotDataItem()
            #spots = []
            #for i, tsd in enumerate(tsds):
            #    spots.append({'pos':(dates[i], values[i])})
            #plotDataItem.setPoints(spots)
            #plotDataItem.invalidate()
            #self.plot2D.invalidate()
            #self.setVisibility2D()
            #plotDataItem.setPoints(x=dates, y=values, data=tsds)
            plotDataItem.setData(x=dates, y=values, data=tsds)
            #plotDataItem.scatter.addPoints(x=dates, y=values, data=tsds)
            #self.plot2D.addItem(plotDataItem)

            s = ""



    def setData3D(self, *arg):
        pass




def testPixelLoader():

    # prepare QGIS environment
    if sys.platform == 'darwin':
        PATH_QGS = r'/Applications/QGIS.app/Contents/MacOS'
        os.environ['GDAL_DATA'] = r'/usr/local/Cellar/gdal/1.11.3_1/share'
    else:
        # assume OSGeo4W startup
        PATH_QGS = os.environ['QGIS_PREFIX_PATH']
    assert os.path.exists(PATH_QGS)

    qgsApp = QgsApplication([], True)
    QApplication.addLibraryPath(r'/Applications/QGIS.app/Contents/PlugIns')
    QApplication.addLibraryPath(r'/Applications/QGIS.app/Contents/PlugIns/qgis')
    qgsApp.setPrefixPath(PATH_QGS, True)
    qgsApp.initQgis()


    gb = QGroupBox()
    gb.setTitle('Sandbox')

    PL = PixelLoader()
    PL.setNumberOfThreads(1)

    if False:
        files = ['observationcloud/testdata/2014-07-26_LC82270652014207LGN00_BOA.bsq',
                 'observationcloud/testdata/2014-08-03_LE72270652014215CUB00_BOA.bsq'
                 ]
    else:
        from utils import file_search
        searchDir = r'H:\LandsatData\Landsat_NovoProgresso'
        files = file_search(searchDir, '*227065*band4.img', recursive=True)
        #files = files[0:3]

    lyr = QgsRasterLayer(files[0])
    coord = lyr.extent().center()
    crs = lyr.crs()

    l = QVBoxLayout()

    btnStart = QPushButton()
    btnStop = QPushButton()
    prog = QProgressBar()
    tboxResults = QPlainTextEdit()
    tboxResults.setMaximumHeight(300)
    tboxThreads = QPlainTextEdit()
    tboxThreads.setMaximumHeight(200)
    label = QLabel()
    label.setText('Progress')

    def showProgress(n,m,md):
        prog.setMinimum(0)
        prog.setMaximum(m)
        prog.setValue(n)

        info = []
        for k, v in md.items():
            info.append('{} = {}'.format(k,str(v)))
        tboxResults.setPlainText('\n'.join(info))
        #tboxThreads.setPlainText(PL.threadInfo())
        qgsApp.processEvents()

    PL.sigPixelLoaded.connect(showProgress)
    btnStart.setText('Start loading')
    btnStart.clicked.connect(lambda : PL.startLoading(files, coord, crs))
    btnStop.setText('Cancel')
    btnStop.clicked.connect(lambda: PL.cancelLoading())
    lh = QHBoxLayout()
    lh.addWidget(btnStart)
    lh.addWidget(btnStop)
    l.addLayout(lh)
    l.addWidget(prog)
    l.addWidget(tboxThreads)
    l.addWidget(tboxResults)

    gb.setLayout(l)
    gb.show()
    #rs.setBackgroundStyle('background: qlineargradient(x1:0, y1:0, x2:0, y2:1, stop:0 #222, stop:1 #333);')
    #rs.handle.setStyleSheet('background: qlineargradient(x1:0, y1:0, x2:0, y2:1, stop:0 #282, stop:1 #393);')
    qgsApp.exec_()
    qgsApp.exitQgis()

if __name__ == '__main__':
    import site, sys
    from timeseriesviewer import sandbox
    qgsApp = sandbox.initQgisEnvironment()

    d = ProfileViewDockUI()
    d.show()

    if True:
        from timeseriesviewer.tests import *

        TS = TestObjects.timeSeries()
        d.connectTimeSeries(TS)

        ext = TS.getMaxSpatialExtent()
        cp = SpatialPoint(ext.crs(),ext.center())
        d.loadCoordinate(cp)

    qgsApp.exec_()
    qgsApp.exitQgis()