mapvisualization.py

import os, sys, re, fnmatch, collections, copy, traceback, six, bisect
from future import *
import logging
logger = logging.getLogger(__name__)
from qgis.core import *
from PyQt4.QtXml import *
from PyQt4.QtCore import *
from PyQt4.QtGui import *
import numpy as np
from timeseriesviewer.utils import *
from timeseriesviewer.main import TimeSeriesViewer
from timeseriesviewer.timeseries import SensorInstrument, TimeSeriesDatum
from timeseriesviewer.ui.docks import TsvDockWidgetBase, load
from timeseriesviewer.ui.widgets import TsvMimeDataUtils, maxWidgetSizes



class MapView(QObject):

    sigRemoveMapView = pyqtSignal(object)
    sigMapViewVisibility = pyqtSignal(bool)
    sigVectorVisibility = pyqtSignal(bool)

    sigTitleChanged = pyqtSignal(str)
    sigSensorRendererChanged = pyqtSignal(SensorInstrument, QgsRasterRenderer)
    from timeseriesviewer.crosshair import CrosshairStyle
    sigCrosshairStyleChanged = pyqtSignal(CrosshairStyle)
    sigShowCrosshair = pyqtSignal(bool)
    sigVectorLayerChanged = pyqtSignal()

    sigShowProfiles = pyqtSignal(SpatialPoint)

    def __init__(self, mapViewCollection, recommended_bands=None, parent=None):
        super(MapView, self).__init__()
        assert isinstance(mapViewCollection, MapViewCollection)
        self.mapViewCollection = mapViewCollection
        self.spatTempVis = mapViewCollection.spatTempVis
        self.ui = MapViewDefinitionUI(self, parent=parent)
        self.ui.create()

        self.mMapCanvases = []
        self.setVisibility(True)

        self.vectorLayer = None
        self.setVectorLayer(None)

        #forward actions with reference to this band view
        self.ui.actionRemoveMapView.triggered.connect(lambda: self.sigRemoveMapView.emit(self))
        self.ui.actionApplyStyles.triggered.connect(self.applyStyles)
        self.ui.actionShowCrosshair.toggled.connect(self.setShowCrosshair)
        self.ui.sigShowMapView.connect(lambda: self.sigMapViewVisibility.emit(True))
        self.ui.sigHideMapView.connect(lambda: self.sigMapViewVisibility.emit(False))
        self.ui.sigVectorVisibility.connect(self.sigVectorVisibility.emit)
        self.sensorViews = collections.OrderedDict()


    def setVectorLayer(self, lyr):
        if isinstance(lyr, QgsVectorLayer):
            self.vectorLayer = lyr
            self.vectorLayer.rendererChanged.connect(self.sigVectorLayerChanged)
            self.ui.btnVectorOverlayVisibility.setEnabled(True)


        else:
            self.vectorLayer = None
            self.ui.btnVectorOverlayVisibility.setEnabled(False)

        self.sigVectorLayerChanged.emit()

    def applyStyles(self):
        for sensorView in self.sensorViews.values():
            sensorView.applyStyle()
        s = ""


    def setVisibility(self, isVisible):
        self.ui.setVisibility(isVisible)

    def visibility(self):
        return self.ui.visibility()

    def visibleVectorOverlay(self):
        return isinstance(self.vectorLayer, QgsVectorLayer) and \
            self.ui.btnVectorOverlayVisibility.isChecked()



    def setTitle(self, title):
        self.mTitle = title
        #self.ui.setTitle('Map View' + title)
        self.sigTitleChanged.emit(self.mTitle)

    def title(self):
        return self.mTitle

    def setCrosshairStyle(self, crosshairStyle):
        self.sigCrosshairStyleChanged.emit(crosshairStyle)
    def setShowCrosshair(self, b):
        self.sigShowCrosshair.emit(b)

    def removeSensor(self, sensor):
        assert type(sensor) is SensorInstrument
        if sensor in self.sensorViews.keys():
            w = self.sensorViews.pop(sensor)
            from timeseriesviewer.ui.widgets import MapViewSensorSettings
            assert isinstance(w, MapViewSensorSettings)
            l = self.ui.sensorList
            l.removeWidget(w.ui)
            w.ui.close()
            self.ui.adjustSize()
            return True
        else:
            return False

    def hasSensor(self, sensor):
        assert type(sensor) is SensorInstrument
        return sensor in self.sensorViews.keys()

    def registerMapCanvas(self, sensor, mapCanvas):
        from timeseriesviewer.mapcanvas import MapCanvas
        assert isinstance(mapCanvas, MapCanvas)
        assert isinstance(sensor, SensorInstrument)

        #set basic settings
        sensorView = self.sensorViews[sensor]
        mapCanvas.setRenderer(sensorView.layerRenderer())

        #register signals
        sensorView.sigSensorRendererChanged.connect(mapCanvas.setRenderer)
        self.sigMapViewVisibility.connect(mapCanvas.refresh)
        self.sigCrosshairStyleChanged.connect(mapCanvas.setCrosshairStyle)
        self.sigShowCrosshair.connect(mapCanvas.setShowCrosshair)
        self.sigVectorLayerChanged.connect(mapCanvas.refresh)
        self.sigVectorVisibility.connect(mapCanvas.refresh)
        self.mMapCanvases.append(mapCanvas)



    def addSensor(self, sensor):
        """
        :param sensor:
        :return:
        """
        assert type(sensor) is SensorInstrument
        assert sensor not in self.sensorViews.keys()

        w = MapViewSensorSettings(sensor)

        #w.showSensorName(False)
        self.sensorViews[sensor] = w
        l = self.ui.sensorList
        i = l.count()
        l.addWidget(w.ui)
        self.ui.resize(self.ui.sizeHint())

    def getSensorWidget(self, sensor):
        assert type(sensor) is SensorInstrument
        return self.sensorViews[sensor]



class MapViewRenderSettingsUI(QGroupBox, load('mapviewrendersettings.ui')):

    def __init__(self, parent=None):
        """Constructor."""
        super(MapViewRenderSettingsUI, self).__init__(parent)
        # Set up the user interface from Designer.
        # After setupUI you can access any designer object by doing
        # self.<objectname>, and you can use autoconnect slots - see
        # http://qt-project.org/doc/qt-4.8/designer-using-a-ui-file.html
        # #widgets-and-dialogs-with-auto-connect

        self.setupUi(self)

        self.btnDefaultMB.setDefaultAction(self.actionSetDefaultMB)
        self.btnTrueColor.setDefaultAction(self.actionSetTrueColor)
        self.btnCIR.setDefaultAction(self.actionSetCIR)
        self.btn453.setDefaultAction(self.actionSet453)

        self.btnSingleBandDef.setDefaultAction(self.actionSetDefaultSB)
        self.btnSingleBandBlue.setDefaultAction(self.actionSetB)
        self.btnSingleBandGreen.setDefaultAction(self.actionSetG)
        self.btnSingleBandRed.setDefaultAction(self.actionSetR)
        self.btnSingleBandNIR.setDefaultAction(self.actionSetNIR)
        self.btnSingleBandSWIR.setDefaultAction(self.actionSetSWIR)

        self.btnPasteStyle.setDefaultAction(self.actionPasteStyle)
        self.btnCopyStyle.setDefaultAction(self.actionCopyStyle)
        self.btnApplyStyle.setDefaultAction(self.actionApplyStyle)



class MapViewSensorSettings(QObject):
    """
    Describes the rendering of images of one Sensor
    """

    sigSensorRendererChanged = pyqtSignal(QgsRasterRenderer)

    def __init__(self, sensor, parent=None):