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mapillary_explorer.py
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mapillary_explorer.py
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# -*- coding: utf-8 -*-
"""
/***************************************************************************
go2mapillary
A QGIS plugin
mapillary explorer
-------------------
begin : 2016-01-21
git sha : $Format:%H$
copyright : (C) 2016 by enrico ferreguti
email : [email protected]
***************************************************************************/
/***************************************************************************
* *
* 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. *
* *
***************************************************************************/
"""
from qgis.PyQt.QtCore import QObject, QSettings, QTranslator, qVersion, QCoreApplication, Qt
from qgis.PyQt.QtWidgets import QAction, QDockWidget
from qgis.PyQt.QtGui import QIcon, QColor
from qgis.core import (QgsExpressionContextUtils,
QgsNetworkAccessManager,
QgsProject,
QgsGeometry,
QgsFeature,
QgsCoordinateReferenceSystem,
QgsCoordinateTransform,
QgsPoint,
QgsPointXY,
QgsVectorLayer,
QgsRasterLayer,
QgsDataSourceUri,
QgsExpression,
QgsFeatureRequest,
QgsWkbTypes,)
#from qgis.utils import *
# Initialize Qt resources from file resources.py
#from .res import resources
# Import the code for the DockWidget
from .mapillary_explorer_dockwidget import go2mapillaryDockWidget
from .mapillary_viewer import mapillaryViewer
from .mapillary_filter import mapillaryFilter
from .mapillary_settings import mapillarySettings
from .mapillary_form import mapillaryForm
from .mapillary_coverage import mapillary_coverage, LAYER_LEVELS
from .mapillary_image_info import mapillaryImageInfo
from .mapillary_cursor import mapillary_cursor
#from .geojson_request import geojson_request
import os.path
import json
class go2mapillary:
"""QGIS Plugin Implementation."""
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
self.iface = iface
self.canvas = iface.mapCanvas()
# initialize plugin directory
self.plugin_dir = os.path.dirname(__file__)
# initialize locale
locale = QSettings().value('locale/userLocale')[0:2]
locale_path = os.path.join(
self.plugin_dir,
'i18n',
'go2mapillary_{}.qm'.format(locale))
if os.path.exists(locale_path):
self.translator = QTranslator()
self.translator.load(locale_path)
if qVersion() > '4.3.3':
QCoreApplication.installTranslator(self.translator)
# Declare instance attributes
self.actions = []
self.menu = self.tr(u'&go2mapillary')
# TODO: We are going to let the user set this up in a future iteration
self.toolbar = self.iface.addToolBar(u'go2mapillary')
self.toolbar.setObjectName(u'go2mapillary')
#print "** INITIALIZING go2mapillary"
self.pluginIsActive = False
self.dockwidget = None
# 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('go2mapillary', message)
def add_action(
self,
icon_path,
text,
callback,
enabled_flag=True,
add_to_menu=True,
add_to_toolbar=True,
status_tip=None,
checkable=None,
whats_this=None,
parent=None):
"""Add a toolbar icon to the toolbar.
:param icon_path: Path to the icon for this action. Can be a resource
path (e.g. ':/plugins/foo/bar.png') or a normal file system path.
:type icon_path: str
:param text: Text that should be shown in menu items for this action.
:type text: str
:param callback: Function to be called when the action is triggered.
:type callback: function
:param enabled_flag: A flag indicating if the action should be enabled
by default. Defaults to True.
:type enabled_flag: bool
:param add_to_menu: Flag indicating whether the action should also
be added to the menu. Defaults to True.
:type add_to_menu: bool
:param add_to_toolbar: Flag indicating whether the action should also
be added to the toolbar. Defaults to True.
:type add_to_toolbar: bool
:param status_tip: Optional text to show in a popup when mouse pointer
hovers over the action.
:type status_tip: str
:param parent: Parent widget for the new action. Defaults None.
:type parent: QWidget
:param whats_this: Optional text to show in the status bar when the
mouse pointer hovers over the action.
:returns: The action that was created. Note that the action is also
added to self.actions list.
:rtype: QAction
"""
icon = QIcon(icon_path)
action = QAction(icon, text, parent)
action.triggered.connect(callback)
action.setEnabled(enabled_flag)
if status_tip is not None:
action.setStatusTip(status_tip)
if whats_this is not None:
action.setWhatsThis(whats_this)
if checkable is not None:
action.setCheckable(checkable)
if add_to_toolbar:
self.toolbar.addAction(action)
if add_to_menu:
self.iface.addPluginToMenu(
self.menu,
action)
self.actions.append(action)
return action
def initGui(self):
"""Create the menu entries and toolbar icons inside the QGIS GUI."""
icon_path = os.path.join(self.plugin_dir,'res','icon.png')
self.mainAction = self.add_action(
icon_path,
text=self.tr(u'go2mapillary'),
callback=self.run,
checkable=True,
parent=self.iface.mainWindow())
self.dlg = go2mapillaryDockWidget()
self.dockwidget=QDockWidget("go2mapillary" , self.iface.mainWindow() )
self.dockwidget.setObjectName("go2mapillary")
self.dockwidget.setWidget(self.dlg)
self.dockwidget.visibilityChanged.connect(self.mlyDockwidgetvisibilityChanged)
#self.dlg.webView.page().mainFrame().setScrollBarPolicy(Qt.Vertical, Qt.ScrollBarAlwaysOff)
#self.dlg.webView.page().mainFrame().setScrollBarPolicy(Qt.Horizontal, Qt.ScrollBarAlwaysOff)
self.viewer = mapillaryViewer(self)
self.viewer.messageArrived.connect(self.viewerConnection)
self.viewer.openFilter.connect(self.filter_images_func)
QgsExpressionContextUtils.setGlobalVariable( "mapillaryCurrentKey","noKey")
QgsExpressionContextUtils.setGlobalVariable( "mapillaryCurrentSequence",None)
QgsExpressionContextUtils.setGlobalVariable( "mapillaryCompareKey","")
#QgsExpressionContextUtils.removeGlobalVariable("mapillaryCurrentKey")
self.coverage = mapillary_coverage(self, self.getClickedFeature)
self.coverage.changeVisibility.connect(self.toggleViewer)
self.filterDialog = mapillaryFilter(self)
self.filterAction_images = QAction(QIcon(icon_path), 'filter mapillary coverage', self.iface.mainWindow())
self.filterAction_sequences = QAction(QIcon(icon_path), 'filter mapillary coverage', self.iface.mainWindow())
self.filterAction_overview = QAction(QIcon(icon_path), 'filter mapillary coverage', self.iface.mainWindow())
self.filterAction_images.triggered.connect(self.filter_images_func)
self.filterAction_sequences.triggered.connect(self.filter_sequences_func)
self.filterAction_overview.triggered.connect(self.filter_overview_func)
self.sample_cursor = mapillary_cursor(self)
self.sample_settings = mapillarySettings(self)
self.sample_cursor.update_ds(self.sample_settings.settings['sample_source'])
self.samples_form = mapillaryForm(self)
self.iface.projectRead.connect(self.coverage.deactivate)
self.canvas.mapCanvasRefreshed.connect(self.mapRefreshed)
self.canvas.mapToolSet.connect(self.updateViewer)
self.enableMapillaryRender = False
#--------------------------------------------------------------------------
def unload(self):
"""Removes the plugin menu item and icon from QGIS GUI."""
self.coverage.deactivate()
self.sample_cursor.delete()
try:
QgsProject.instance().removeMapLayer(self.sample_cursor.samplesLayer.id())
except:
pass
try:
self.canvas.extentsChanged.disconnect(self.mapChanged)
except:
pass
try:
self.canvas.mapCanvasRefreshed.disconnect(self.mapRefreshed)
except:
pass
try:
self.canvas.mapToolSet.disconnect(self.updateViewer)
except:
pass
for action in self.actions:
self.iface.removePluginMenu(
self.tr(u'&go2mapillary'),
action)
self.iface.removeToolBarIcon(action)
# remove the toolbar
del self.toolbar
self.dockwidget.hide()
def filter_images_func(self):
self.filterDialog.show('images')
def filter_sequences_func(self):
self.filterDialog.show('sequences')
def filter_overview_func(self):
self.filterDialog.show("overview")
def updateViewer(self,current_tool, previous_tool):
try:
a = current_tool.go2mapillary
except:
self.viewer.disable()
def toggleViewer(self, active):
print ("toggleViewer", active)
if not active and self.dockwidget.isVisible():
self.viewer.disable()
def viewerConnection(self, message):
print ("viewerConnection", message)
if message:
if message["transport"] == "move_cursor":
self.sample_cursor.draw(message["pov"], message["orig_pov"], message["cursor"], message["endOfSight"])
if message["transport"] == "disable_cursor":
self.sample_cursor.delete()
if message["transport"] == "create_marker":
self.sample_cursor.sample("marker", message['id'], message['key'], message['markerPos'])
if message["transport"] == "drag_marker":
s,key,id = message['id'].split(':')
self.sample_cursor.moveMarker(key, id, message['markerPos'])
if message["transport"] == "view":
self.sample_cursor.delete()
self.currentLocation = message
try:
self.coverage.setCurrentKey(self.currentLocation["key"],self.currentLocation["sequence"])
if self.sample_settings.settings['sample_source'] != 'memory':
self.sample_cursor.addSampleLayerToCanvas()
except Exception as e:
print ("error opening key %s: %s" % (self.currentLocation['key'],e))
pass
if message["transport"] == "focusOn":
self.sample_cursor.delete()
self.viewer.enable()
self.coverage.activate()
if message["transport"] == "open_settings":
self.sample_settings.open()
if message["transport"] == "image_info":
mapillaryImageInfo.openKey(self,message["key"])
if message["transport"] == "store_tag":
self.sample_cursor.sample("tag", message['id'], message['key'], message['loc'], json.dumps(message['geometry']))
def mapChanged(self):
self.canvas.mapCanvasRefreshed.connect(self.mapRefreshed)
def mapRefreshed(self, force=None):
pass
def mlyDockwidgetvisibilityChanged(self, visibility):
if self.dockwidget.isVisible():
print ("dockwidget visible")
self.coverage.activate()
self.mainAction.setChecked(True)
self.mapRefreshed(force=True)
self.enableMapillaryRender = True
else:
print ("dockwidget NOT visible")
self.mainAction.setChecked(False)
self.pluginIsActive = False
self.coverage.deactivate()
self.enableMapillaryRender = False
def run(self):
"""Run method that loads and starts the plugin"""
if not self.pluginIsActive:
self.pluginIsActive = True
# show the dockwidget
# TODO: fix to allow choice of dock location
self.iface.addDockWidget(Qt.LeftDockWidgetArea, self.dockwidget)
self.dockwidget.show()
if not QgsProject.instance().mapLayers():
self.canvas.setCenter(QgsPointXY(0, 0))
self.canvas.zoomScale(70000000.00)
self.mapRefreshed(force=True)
self.canvas.extentsChanged.connect(self.mapChanged)
self.coverage.setCurrentKey(None)
else:
# toggle show/hide the widget
if self.dockwidget.isVisible():
self.dockwidget.hide()
else:
self.dockwidget.show()
def getClickedFeature(self, type, feature):
print("getClickedFeature", type, feature['id'])
if not self.openAttrDialog(feature):
if type == 'image':
self.viewer.openLocation(feature['id'])
self.coverage.setCurrentKey(feat_id = feature['id'], seq_id=feature['sequence_id'])
elif type == 'sequence':
self.viewer.openLocation(feature['image_id'])
self.coverage.setCurrentKey(seq_id=feature['id'])
def openAttrDialog(self, feature):
print("openAttrDialog", feature['id'])
if feature.fields().indexFromName('cat') != -1:
if self.sample_settings.settings['auto_open_form']:
self.samples_form.open(feature)
return True