main.py

    def __len__(self):
        return len(self.mapViewsDefinitions)

    def __iter__(self):
        return iter(self.mapViewsDefinitions)

    def __getitem__(self, key):
        return self.mapViewsDefinitions[key]

    def __contains__(self, mapView):
        return mapView in self.mapViewsDefinitions


class TimeSeriesViewer:

    def __init__(self, iface):
        """Constructor.

        :param iface: An interface instance that will be passed to this class
            which provides the hook by which you can manipulate the QGIS
            application at run time.
        :type iface: QgsInterface
        """
        # Save reference to the QGIS interface

        from timeseriesviewer.ui.widgets import TimeSeriesViewerUI

        self.ui = TimeSeriesViewerUI()

        #init empty time series
        self.TS = TimeSeries()
        self.hasInitialCenterPoint = False
        self.TS.sigTimeSeriesDatesAdded.connect(self.datesAdded)




        #init TS model

        D = self.ui
        #self.ICP = D.scrollAreaSubsetContent.layout()
        #D.scrollAreaMapViews.setSizePolicy(QSizePolicy.MinimumExpanding, QSizePolicy.MinimumExpanding)
        #self.BVP = self.ui.scrollAreaMapViews.layout()
        D.dockNavigation.connectTimeSeries(self.TS)
        D.dockTimeSeries.connectTimeSeries(self.TS)
        D.dockSensors.connectTimeSeries(self.TS)
        D.dockProfiles.connectTimeSeries(self.TS)

        self.spectralTemporalVis = D.dockProfiles

        self.spatialTemporalVis = SpatialTemporalVisualization(self)
        self.spatialTemporalVis.sigLoadingStarted.connect(self.ui.dockRendering.addStartedWork)
        self.spatialTemporalVis.sigLoadingFinished.connect(self.ui.dockRendering.addFinishedWork)
        self.spatialTemporalVis.sigShowProfiles.connect(self.spectralTemporalVis.loadCoordinate)

        self.spectralTemporalVis.sigMoveToTSD.connect(self.spatialTemporalVis.navigateToTSD)
        D.dockNavigation.sigSetSpatialExtent.connect(self.spatialTemporalVis.setSpatialExtent)
        self.ValidatorPxX = QIntValidator(0,99999)
        self.ValidatorPxY = QIntValidator(0,99999)

        #connect actions with logic

        #D.btn_showPxCoordinate.clicked.connect(lambda: self.showSubsetsStart())
        #connect actions with logic

        D.actionSelectCenter.triggered.connect(lambda : self.spatialTemporalVis.activateMapTool('selectCenter'))
        #D.actionSelectArea.triggered.connect(lambda : self.spatialTemporalVis.activateMapTool('selectArea'))
        D.actionZoomMaxExtent.triggered.connect(lambda : self.zoomTo('maxExtent'))
        D.actionZoomPixelScale.triggered.connect(lambda: self.zoomTo('pixelScale'))
        D.actionZoomIn.triggered.connect(lambda: self.spatialTemporalVis.activateMapTool('zoomIn'))
        D.actionZoomOut.triggered.connect(lambda: self.spatialTemporalVis.activateMapTool('zoomOut'))
        D.actionPan.triggered.connect(lambda: self.spatialTemporalVis.activateMapTool('pan'))
        D.actionIdentifyTimeSeries.triggered.connect(lambda: self.spatialTemporalVis.activateMapTool('identifyProfile'))
        D.actionIdentifyMapLayers.triggered.connect(lambda: self.spatialTemporalVis.activateMapTool('identifyMapLayers'))
        D.actionAddMapView.triggered.connect(self.spatialTemporalVis.createMapView)

        D.actionAddTSD.triggered.connect(lambda : self.ua_addTSImages())
        D.actionRemoveTSD.triggered.connect(lambda: self.TS.removeDates(self.ui.dockTimeSeries.selectedTimeSeriesDates()))
        D.actionRefresh.triggered.connect(self.spatialTemporalVis.refresh)
        D.actionLoadTS.triggered.connect(self.loadTimeSeries)
        D.actionClearTS.triggered.connect(self.clearTimeSeries)
        D.actionSaveTS.triggered.connect(self.ua_saveTSFile)
        D.actionAddTSExample.triggered.connect(self.ua_loadExampleTS)


        #connect buttons with actions
        from timeseriesviewer.ui.widgets import AboutDialogUI, PropertyDialogUI
        D.actionAbout.triggered.connect(lambda: AboutDialogUI(self.ui).exec_())
        D.actionSettings.triggered.connect(lambda : PropertyDialogUI(self.ui).exec_())

        D.actionFirstTSD.triggered.connect(lambda: self.setDOISliderValue('first'))
        D.actionLastTSD.triggered.connect(lambda: self.setDOISliderValue('last'))
        D.actionNextTSD.triggered.connect(lambda: self.setDOISliderValue('next'))
        D.actionPreviousTSD.triggered.connect(lambda: self.setDOISliderValue('previous'))


        D.dockRendering.actionSetSubsetSize.triggered.connect(lambda : self.spatialTemporalVis.setSubsetSize(
                                                D.dockRendering.subsetSize()))
        D.actionSetExtent.triggered.connect(lambda: self.spatialTemporalVis.setSpatialExtent(self.ui.spatialExtent()))

        self.canvasCrs = QgsCoordinateReferenceSystem()

        if iface:
            import timeseriesviewer
            timeseriesviewer.QGIS_TSV_BRIDGE = QgisTsvBridge(iface, self)
            self.ui.setQgsLinkWidgets()


    def loadImageFiles(self, files):
        assert isinstance(files, list)
        self.TS.addFiles(files)


    def loadTimeSeries(self, path=None, n_max=None):
        if path is None or path is False:
            path = QFileDialog.getOpenFileName(self.ui, 'Open Time Series file', '')

        if os.path.exists(path):
            M = self.ui.dockTimeSeries.tableView_TimeSeries.model()
            M.beginResetModel()
            self.clearTimeSeries()
            self.TS.loadFromFile(path, n_max=n_max)
            M.endResetModel()


    def zoomTo(self, key):
        if key == 'maxExtent':
            ext = self.TS.getMaxSpatialExtent(self.ui.dockNavigation.crs())
            self.spatialTemporalVis.setSpatialExtent(ext)
        elif key == 'pixelScale':
            s = ""


    def icon(self):
        return TimeSeriesViewer.icon()

    def timeseriesChanged(self):

        if not self.hasInitialCenterPoint:
            if len(self.TS.data) > 0:
                extent = self.TS.getMaxSpatialExtent()
                self.spatialTemporalVis.setSubsetSize(self.ui.dockRendering.subsetSize())
                self.spatialTemporalVis.setSpatialExtent(extent)
                self.hasInitialCenterPoint = True

            if len(self.spatialTemporalVis.MVC) == 0:
                # add two empty band-views by default
                self.spatialTemporalVis.createMapView()
                self.spatialTemporalVis.createMapView()

        if len(self.TS.data) == 0:
            self.hasInitialCenterPoint = False



    def ua_saveTSFile(self):
        path = QFileDialog.getSaveFileName(self.ui, caption='Save Time Series file')
        if path is not None:
            self.TS.saveToFile(path)


    def ua_loadExampleTS(self):
        from timeseriesviewer import PATH_EXAMPLE_TIMESERIES
        if not os.path.exists(PATH_EXAMPLE_TIMESERIES):
            QMessageBox.information(self.ui, 'File not found', '{} - this file describes an exemplary time series.'.format(path_example))
        else:
            self.loadTimeSeries(path=PATH_EXAMPLE_TIMESERIES)



    def ua_selectByRectangle(self):
        if self.RectangleMapTool is not None:
            self.qgsCanvas.setMapTool(self.RectangleMapTool)

    def ua_selectByCoordinate(self):
        if self.PointMapTool is not None:
            self.qgsCanvas.setMapTool(self.PointMapTool)

    #todo: define as qt slot
    def setSpatialSubset(self, spatialExtent):
        #keep specified CRS but translate extent
        oldExtent = self.ui.spatialExtent()
        self.ui.setSpatialExtent(extent)
        self.spatialTemporalVis.setSpatialExtent(extent)

    def qgs_handleMouseDown(self, pt, btn):
        pass



    def ua_TSprogress(self, v_min, v, v_max):
        assert v_min <= v and v <= v_max
        if v_min < v_max:
            P = self.ui.progressBar
            if P.minimum() != v_min or P.maximum() != v_max:
                P.setRange(v_min, v_max)
            else:
                s = ""

            P.setValue(v)

    def datesAdded(self, dates):
        assert isinstance(dates, list)
        self.ui.dockTimeSeries.tableView_TimeSeries.resizeColumnsToContents()
        self.timeseriesChanged()


    # noinspection PyMethodMayBeStatic
    def tr(self, message):
        """Get the translation for a string using Qt translation API.

        We implement this ourselves since we do not inherit QObject.

        :param message: String for translation.
        :type message: str, QString

        :returns: Translated version of message.
        :rtype: QString
        """
        # noinspection PyTypeChecker,PyArgumentList,PyCallByClass
        return QCoreApplication.translate('EnMAPBox', message)





    def ua_addTSD_to_QGIS(self, TSD, bands):

        s = ""

        pass


    def unload(self):
        """Removes the plugin menu item and icon """
        self.iface.removeToolBarIcon(self.action)

    def run(self):
        self.ui.show()



    def scrollToDate(self, date_of_interest):
        QApplication.processEvents()
        HBar = self.ui.scrollArea_imageChips.horizontalScrollBar()
        TSDs = list(self.CHIPWIDGETS.keys())
        if len(TSDs) == 0:
            return

        #get date INDEX that is closest to requested date
        if type(date_of_interest) is str:
            date_of_interest = np.datetime64(date_of_interest)


        if type(date_of_interest) is np.datetime64:
            i_doi = TSDs.index(sorted(TSDs, key=lambda TSD: abs(date_of_interest - TSD.getDate()))[0])
        else:
            i_doi = date_of_interest

        step = int(float(HBar.maximum()) / (len(TSDs)+1))
        HBar.setSingleStep(step)
        HBar.setPageStep(step*5)
        HBar.setValue(i_doi * step)


    def showSubset(self, renderJob, pixmap):

        assert isinstance(renderJob, RenderJob)
        chipLabel = self.CHIPWIDGETS[renderJob.TSD][renderJob.destinationId]
        chipLabel.setPixmap(pixmap)
        chipLabel.setFixedSize(pixmap.size())
        chipLabel.update()
        s = ""

    def ua_collect_date(self, ICL, event):
        if self.ui.rb_labeling_activate.isChecked():
            txt = self.ui.tb_labeling_text.toPlainText()
            reg = re.compile('\d{4}-\d{2}-\d{2}', re.I | re.MULTILINE)
            dates = set([np.datetime64(m) for m in reg.findall(txt)])
            doi = ICL.TSD.getDate()

            if event.button() == Qt.LeftButton:
                dates.add(doi)
            elif event.button() == Qt.MiddleButton and doi in dates:
                dates.remove(doi)

            dates = sorted(list(dates))
            txt = ' '.join([d.astype(str) for d in dates])
            self.ui.tb_labeling_text.setText(txt)


    def clearLayoutWidgets(self, L):
        if L is not None:
            while L.count():
                w = L.takeAt(0)
                if w.widget():
                    w.widget().deleteLater()
                #if w is not None:
                #    w.widget().deleteLater()
        QApplication.processEvents()

    def ua_addTSImages(self, files=None):
        if files is None:
            files = QFileDialog.getOpenFileNames()

        if files:
            self.TS.addFiles(files)

    def clearTimeSeries(self):
        #remove views

        M = self.ui.dockTimeSeries.tableView_TimeSeries.model()
        M.beginResetModel()
        self.TS.clear()
        M.endResetModel()

    def getSelectedTSDs(self):
        TV = self.ui.tableView_TimeSeries
        TVM = TV.model()
        return [TVM.getTimeSeriesDatumFromIndex(idx) for idx in TV.selectionModel().selectedRows()]


def disconnect_signal(signal):
    while True:
        try:
            signal.disconnect()
        except TypeError:
            break


def showRGBData(data):
    from scipy.misc import toimage
    toimage(data).show()

def run_tests():



    if False:

        pathImg = r'O:\SenseCarbonProcessing\BJ_NOC\01_RasterData\00_VRTs\02_Cutted\2014-07-26_LC82270652014207LGN00_BOA.vrt'
        pathMsk = r'O:\SenseCarbonProcessing\BJ_NOC\01_RasterData\00_VRTs\02_Cutted\2014-07-26_LC82270652014207LGN00_Msk.vrt'

        if False:
            TSD = TimeSeriesDatum(pathImg)
            TSD.setMask(pathMsk)

            c = [670949.883,-786288.771]

            w_x = w_y = 1000 #1km box
            srs = TSD.getSpatialReference()
            ring = ogr.Geometry(ogr.wkbLinearRing)
            import itertools
            for x,y in itertools.product([1000, -1000], repeat=2):
                ring.AddPoint(c[0]+x, c[1]+y)
            ring.AssignSpatialReference(srs)
            bb = ogr.Geometry(ogr.wkbPolygon)
            bb.AddGeometry(ring)
            bb.AssignSpatialReference(srs)




        def getChip3d_OLD(chips, r,g,b, range_r, range_g, range_b):

            nl, ns = chips[r].shape
            a3d = np.ndarray((3,nl,ns), dtype='float')

            rgb_idx = [r,g,b]
            ranges = [range_r, range_g, range_b]

            for i, rgb_i in enumerate(rgb_idx):
                range = ranges[i]
                data = chips[rgb_i].astype('float')
                data -= range[0]
                data *= 255./range[1]
                a3d[i,:] = data

            np.clip(a3d, 0, 255, out=a3d)

            return a3d.astype('uint8')

        app  = QApplication([])
        main = PictureTest()
        main.show()

        range_r = [0,500]
        range_g = [0,500]
        range_b = [0,500]

        bands = [3,2,1]
        #chipData = TSD.readSpatialChip(bb,bands=bands )

        #main.addNumpy(getChip3d(chipData, bands, (range_r, range_g, range_b)))
        app.exec_()
        exit(0)

    if False:
        dirSrcLS = r'O:\SenseCarbonProcessing\BJ_NOC\01_RasterData\00_VRTs\02_Cutted'
        filesImgLS = file_search(dirSrcLS, '2014*_BOA.vrt')
        filesMsk = file_search(dirSrcLS, '2014*_Msk.vrt')
        TS = TimeSeries(imageFiles=filesImgLS, maskFiles=filesMsk)

        print(TS)
        exit(0)


    if True:
        import PyQt4.Qt

        app=PyQt4.Qt.QApplication([])
        S = TimeSeriesViewer(None)
        S.run()

        if True:
            dirSrcLS = r'\\141.20.140.107\NAS_Processing\SenseCarbonProcessing\BJ_NOC\01_RasterData\02_CuttedVRT'
            dirSrcRE = r'\\141.20.140.91\SAN_RSDBrazil\RapidEye\3A_VRTs'
            filesImgLS = file_search(dirSrcLS, '20*_BOA.vrt')
            filesImgRE = file_search(dirSrcRE, '*.vrt', recursive=True)
            #filesMsk = file_search(dirSrc, '2014*_Msk.vrt')
            S.ua_addTSImages(files=filesImgLS[0:2])
            S.ua_addTSImages(files=filesImgRE[0:2])
            #S.ua_addTSImages(files=filesImgLS)
            #S.ua_addTSImages(files=filesImgRE)
            #S.ua_loadExampleTS()


            #S.ua_addTSMasks(files=filesMsk)

        #S.ua_addView(bands=[4,5,3])

        app.exec_()

    if False:
        import qgis.core

        # supply path to where is your qgis installed

        #QgsApplication.setPrefixPath("/Applications/QGIS_2.12.app/Contents/MacOS/QGIS", True)

        # load providers
        QgsApplication.initQgis()

        a = QgsApplication([], True)

        S = TimeSeriesViewer(a)
        S.run()

        if True:
            dirSrcLS = r'O:\SenseCarbonProcessing\BJ_NOC\01_RasterData\00_VRTs\02_Cutted'
            filesImgLS = file_search(dirSrcLS, '2014*_BOA.vrt')
            filesMsk = file_search(dirSrcLS, '2014*_Msk.vrt')
            S.ua_addTSImages(files=filesImgLS)
            S.ua_addTSMasks(files=filesMsk)

        #S.ua_addView(bands=[4,5,3])

        a.exec_()

    print('Tests done')
    exit(0)


if __name__ == '__main__':
    run_tests()
    print('Done')