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qtilesdialog.py
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qtilesdialog.py
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# -*- coding: utf-8 -*-
#******************************************************************************
#
# QTiles
# ---------------------------------------------------------
# Generates tiles from QGIS project
#
# Copyright (C) 2012-2014 NextGIS (info@nextgis.org)
# Copyright (C) 2019 Alexander Bruy (alexander.bruy@gmail.com)
#
# This source 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.
#
# This code is distributed in the hope that it will be useful, but WITHOUT ANY
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
# details.
#
# A copy of the GNU General Public License is available on the World Wide Web
# at <http://www.gnu.org/licenses/>. You can also obtain it by writing
# to the Free Software Foundation, 51 Franklin Street, Suite 500 Boston,
# MA 02110-1335 USA.
#
#******************************************************************************
import math
import operator
import os
import time
from qgis.PyQt.QtCore import QFileInfo, QDir, Qt, pyqtSlot
from qgis.PyQt.QtGui import QIcon
from qgis.PyQt.QtWidgets import QDialog, QDialogButtonBox, QMessageBox, QFileDialog
from qgis.core import QgsCoordinateTransform, QgsCoordinateReferenceSystem, QgsRectangle, QgsProject, QgsSettings
from . import qtiles_utils as utils
from .tilingthread import TilingThread
from .ui.ui_qtilesdialogbase import Ui_Dialog
#↓import locale
#import functools
class QTilesDialog(QDialog, Ui_Dialog):
# MAX_ZOOM_LEVEL = 18
MIN_ZOOM_LEVEL = 0
def __init__(self, iface: object) -> object:
QDialog.__init__(self)
self.setupUi(self)
#self.skipBlankTiles = False;
#self.macroTile = 1
self.btnOk = self.buttonBox.addButton(self.tr("Run"), QDialogButtonBox.AcceptRole)
# self.spnZoomMax.setMaximum(self.MAX_ZOOM_LEVEL)
self.spnZoomMax.setMinimum(self.MIN_ZOOM_LEVEL)
# self.spnZoomMin.setMaximum(self.MAX_ZOOM_LEVEL)
self.spnZoomMin.setMinimum(self.MIN_ZOOM_LEVEL)
self.spnZoomMin.valueChanged.connect(self.spnZoomMax.setMinimum)
self.spnZoomMax.valueChanged.connect(self.spnZoomMin.setMaximum)
self.iface = iface
self.workThread = None
self.FORMATS = {
self.tr('ZIP archives (*.zip *.ZIP)'): '.zip',
self.tr('MBTiles databases (*.mbtiles *.MBTILES)'): '.mbtiles'}
self.settings = QgsSettings('NextGIS', 'QTiles')
# self.grpParameters.setSettings(self.settings)
self.btnClose = self.buttonBox.button(QDialogButtonBox.Close)
self.rbExtentLayer.toggled.connect(self.__toggleLayerSelector)
self.chkLockRatio.stateChanged.connect(self.__toggleHeightEdit)
self.spnTileWidth.valueChanged.connect(self.__updateTileSize)
self.btnBrowse.clicked.connect(self.__select_output)
self.cmbFormat.activated.connect(self.formatChanged)
self.rbOutputZip.toggled.connect(self.__toggleTarget)
self.rbOutputDir.toggled.connect(self.__toggleTarget)
self.rbOutputNGM.toggled.connect(self.__toggleTarget)
self.rbOutputNGM.setIcon(QIcon(':/icons/ngm_index_24x24.png'))
self.lInfoIconOutputZip.linkActivated.connect(self.show_output_info)
self.lInfoIconOutputDir.linkActivated.connect(self.show_output_info)
self.lInfoIconOutputNGM.linkActivated.connect(self.show_output_info)
self.lInfoIconMacroTile.linkActivated.connect(self.show_output_info)
self.manageGui()
def show_output_info(self):
title = self.tr("Output type info")
message = ""
if self.sender() is self.lInfoIconOutputZip:
message = self.tr("Save tiles as Zip or MBTiles")
elif self.sender() is self.lInfoIconOutputDir:
message = self.tr("Save tiles as directory structure")
elif self.sender() is self.lInfoIconOutputNGM:
message = "<table cellspacing='10'> <tr> \
<td> \
<img src=':/icons/ngm_index_24x24.png'/> \
</td> \
<td> \
%s \
</td> \
</tr> </table>" % self.tr("Prepare package for <a href='http://nextgis.ru/en/nextgis-mobile/'> NextGIS Mobile </a>")
elif self.sender() is self.lInfoIconMacroTile:
title = self.tr("Render tile sets")
message = self.tr("Rendering a set of many adjacent tiles at once\nsaves process time, at the expense of system memory")
msgBox = QMessageBox()
msgBox.setWindowTitle(title)
msgBox.setText(message)
msgBox.exec_()
def format_time_hhmmss(self, seconds):
m, s = divmod(seconds, 60)
h, m = divmod(m, 60)
time_str = "%02d:%02d:%02d" % (h, m, s)
return time_str
def formatChanged(self):
if self.cmbFormat.currentText() == 'JPG':
self.spnTransparency.setEnabled(False)
self.spnQuality.setEnabled(True)
else:
self.spnTransparency.setEnabled(True)
self.spnQuality.setEnabled(False)
def manageGui(self):
layers = utils.getMapLayers()
root = QgsProject.instance().layerTreeRoot()
for layer in sorted(layers.items(), key=operator.itemgetter(1)):
node = root.findLayer(layer[0])
if node.parent() == root:
self.cmbLayers.addItem(layer[1], layer[0])
else:
self.cmbLayers.addItem('%s - %s' % (layer[1], node.parent().name()), layer[0])
self.rbOutputZip.setChecked(self.settings.value('outputToZip', True, type=bool))
self.rbOutputDir.setChecked(self.settings.value('outputToDir', False, type=bool))
self.rbOutputNGM.setChecked(self.settings.value('outputToNGM', False, type=bool))
if self.rbOutputZip.isChecked():
self.leDirectoryName.setEnabled(False)
self.leTilesFroNGM.setEnabled(False)
elif self.rbOutputDir.isChecked():
self.leZipFileName.setEnabled(False)
self.leTilesFroNGM.setEnabled(False)
elif self.rbOutputNGM.isChecked():
self.leZipFileName.setEnabled(False)
self.leDirectoryName.setEnabled(False)
else:
self.leZipFileName.setEnabled(False)
self.leDirectoryName.setEnabled(False)
self.leTilesFroNGM.setEnabled(False)
self.leZipFileName.setText(self.settings.value('outputToZip_Path', ''))
self.leDirectoryName.setText(self.settings.value('outputToDir_Path', ''))
self.leTilesFroNGM.setText(self.settings.value('outputToNGM_Path', ''))
self.cmbLayers.setEnabled(False)
self.leRootDir.setText(self.settings.value('rootDir', 'Mapnik'))
self.rbExtentCanvas.setChecked(self.settings.value('extentCanvas', True, type=bool))
self.rbExtentFull.setChecked(self.settings.value('extentFull', False, type=bool))
self.rbExtentLayer.setChecked(self.settings.value('extentLayer', False, type=bool))
self.spnZoomMin.setValue(self.settings.value('minZoom', 0, type=int))
self.spnZoomMax.setValue(self.settings.value('maxZoom', 18, type=int))
self.chkLockRatio.setChecked(self.settings.value('keepRatio', True, type=bool))
self.spnTileWidth.setValue(self.settings.value('tileWidth', 256, type=int))
self.spnTileHeight.setValue(self.settings.value('tileHeight', 256, type=int))
self.spnTransparency.setValue(self.settings.value('transparency', 255, type=int))
self.spnQuality.setValue(self.settings.value('quality', 70, type=int))
self.spnMacroTile.setValue(self.settings.value('macroTile', 1, type=int))
self.cmbFormat.setCurrentIndex(int(self.settings.value('format', 0)))
self.chkAntialiasing.setChecked(self.settings.value('enable_antialiasing', False, type=bool))
self.chkTMSConvention.setChecked(self.settings.value('use_tms_filenames', False, type=bool))
self.chkMBTilesCompression.setChecked(self.settings.value('use_mbtiles_compression', False, type=bool))
self.chkWriteJson.setChecked(self.settings.value("write_json", False, type=bool))
self.chkWriteOverview.setChecked(self.settings.value("write_overview", False, type=bool))
self.chkWriteMapurl.setChecked(self.settings.value("write_mapurl", False, type=bool))
self.chkWriteViewer.setChecked(self.settings.value("write_viewer", False, type=bool))
# self.chkRenderOutsideTiles.setChecked(self.settings.value("renderOutsideTiles", True, type=bool))
self.chkMsgDialogs.setChecked(self.settings.value("chkMsgDialogs", True, type=bool))
self.chkSkipBlankTiles.setChecked(self.settings.value("skipBlankTiles", False, type=bool))
self.formatChanged()
def reject(self):
QDialog.reject(self)
def accept(self):
self.startTime = time.time();
self.tileCount = 0
self.blankCount = 0
if self.rbOutputZip.isChecked():
output = self.leZipFileName.text()
elif self.rbOutputDir.isChecked():
output = self.leDirectoryName.text()
if not QFileInfo(output).exists():
os.mkdir(QFileInfo(output).absoluteFilePath())
elif self.rbOutputNGM.isChecked():
output = self.leTilesFroNGM.text()
if not output:
QMessageBox.warning(self, self.tr('No output'), self.tr('Output path is not set. Please enter correct path and try again.'))
return
fileInfo = QFileInfo(output)
if fileInfo.isDir() and not len(QDir(output).entryList(QDir.Dirs | QDir.Files | QDir.NoDotAndDotDot)) == 0:
res = QMessageBox.warning(
self,
self.tr('Directory not empty'),
self.tr('Selected directory is not empty. Continue?'),
QMessageBox.Yes | QMessageBox.No
)
if res == QMessageBox.No:
return
if self.spnZoomMin.value() > self.spnZoomMax.value():
QMessageBox.warning(self, self.tr('Wrong zoom'), self.tr('Maximum zoom value is lower than minimum. Please correct this and try again.'))
return
self.settings.setValue('rootDir', self.leRootDir.text())
self.settings.setValue('outputToZip', self.rbOutputZip.isChecked())
self.settings.setValue('outputToDir', self.rbOutputDir.isChecked())
self.settings.setValue('outputToNGM', self.rbOutputNGM.isChecked())
self.settings.setValue('extentCanvas', self.rbExtentCanvas.isChecked())
self.settings.setValue('extentFull', self.rbExtentFull.isChecked())
self.settings.setValue('extentLayer', self.rbExtentLayer.isChecked())
self.settings.setValue('minZoom', self.spnZoomMin.value())
self.settings.setValue('maxZoom', self.spnZoomMax.value())
self.settings.setValue('keepRatio', self.chkLockRatio.isChecked())
self.settings.setValue('tileWidth', self.spnTileWidth.value())
self.settings.setValue('tileHeight', self.spnTileHeight.value())
self.settings.setValue('format', self.cmbFormat.currentIndex())
self.settings.setValue('transparency', self.spnTransparency.value())
self.settings.setValue('quality', self.spnQuality.value())
self.settings.setValue('macroTile', self.spnMacroTile.value())
self.settings.setValue('enable_antialiasing', self.chkAntialiasing.isChecked())
self.settings.setValue('use_tms_filenames', self.chkTMSConvention.isChecked())
self.settings.setValue('skipBlankTiles', self.chkSkipBlankTiles.isChecked())
self.settings.setValue('use_mbtiles_compression', self.chkMBTilesCompression.isChecked())
self.settings.setValue('write_json', self.chkWriteJson.isChecked())
self.settings.setValue('write_overview', self.chkWriteOverview.isChecked())
self.settings.setValue('write_mapurl', self.chkWriteMapurl.isChecked())
self.settings.setValue('write_viewer', self.chkWriteViewer.isChecked())
self.settings.setValue('chkMsgDialogs', self.chkMsgDialogs.isChecked())
canvas = self.iface.mapCanvas()
if self.rbExtentCanvas.isChecked():
extent = canvas.extent()
elif self.rbExtentFull.isChecked():
extent = canvas.fullExtent()
else:
layer = utils.getLayerById(self.cmbLayers.itemData(self.cmbLayers.currentIndex()))
extent = canvas.mapSettings().layerExtentToOutputExtent(layer, layer.extent())
extent = QgsCoordinateTransform(canvas.mapSettings().destinationCrs(), QgsCoordinateReferenceSystem('EPSG:4326'), QgsProject.instance()).transform(extent)
arctanSinhPi = math.degrees(math.atan(math.sinh(math.pi)))
extent = extent.intersect(QgsRectangle(-180, -arctanSinhPi, 180, arctanSinhPi))
layers = canvas.layers()
writeMapurl = self.chkWriteMapurl.isEnabled() and self.chkWriteMapurl.isChecked()
writeViewer = self.chkWriteViewer.isEnabled() and self.chkWriteViewer.isChecked()
self.workThread = TilingThread(
layers,
extent,
self.spnZoomMin.value(),
self.spnZoomMax.value(),
self.spnTileWidth.value(),
self.spnTileHeight.value(),
self.spnMacroTile.value(),
self.spnTransparency.value(),
self.spnQuality.value(),
self.cmbFormat.currentText(),
fileInfo,
self.leRootDir.text(),
self.chkAntialiasing.isChecked(),
self.chkTMSConvention.isChecked(),
self.chkMBTilesCompression.isChecked(),
self.chkWriteJson.isChecked(),
self.chkWriteOverview.isChecked(),
# self.chkRenderOutsideTiles.isChecked(),
self.chkSkipBlankTiles.isChecked(),
writeMapurl,
writeViewer
)
self.workThread.rangeChanged.connect(self.setProgressRange)
self.workThread.updateProgress.connect(self.updateProgress)
self.workThread.processFinished.connect(self.processFinished)
self.workThread.processInterrupted.connect(self.processInterrupted)
self.workThread.threshold.connect(self.confirmContinueThreshold)
self.btnOk.setEnabled(False)
self.btnClose.setText(self.tr('Cancel'))
self.buttonBox.rejected.disconnect(self.reject)
self.btnClose.clicked.connect(self.stopProcessing)
self.workThread.start()
def confirmContinueThreshold(self, tilesCountThreshold):
res = QMessageBox.question(
self.parent(),
self.tr("Confirmation"),
self.tr("Estimate number of tiles more then %d! Continue?") % tilesCountThreshold,
QMessageBox.Yes | QMessageBox.No
)
if res == QMessageBox.Yes:
self.workThread.confirmContinue()
else:
self.workThread.confirmStop()
def setProgressRange(self, message, value):
self.progressBar.setFormat(message)
self.progressBar.setRange(0, value)
def updateProgress(self, tileCount, blankCount ):
self.tileCount = tileCount
self.blankCount = blankCount
self.progressBar.setValue(self.progressBar.value() + 1)
def processInterrupted(self):
if self.chkMsgDialogs.isChecked(): QMessageBox.warning(self,"Qtiles","Process interrupted!")
self.restoreGui()
def processFinished(self):
self.stopProcessing()
elapsedTime = time.time() - self.startTime
txt = "Process finished normally.\nElapsed time: %s.\nTiles written: %d." % (self.format_time_hhmmss(elapsedTime), self.tileCount)
if self.blankCount > 0:
txt = "%s\nBlank tiles: %d." % (txt, self.blankCount)
if self.chkMsgDialogs.isChecked(): QMessageBox.information(self,"Qtiles", txt)
self.restoreGui()
def stopProcessing(self):
if self.workThread is not None:
self.workThread.stop()
self.workThread = None
def restoreGui(self):
self.progressBar.setFormat('%p%')
self.progressBar.setRange(0, 1)
self.progressBar.setValue(0)
self.buttonBox.rejected.connect(self.reject)
self.btnClose.clicked.disconnect(self.stopProcessing)
self.btnClose.setText(self.tr('Close'))
self.btnOk.setEnabled(True)
def __toggleTarget(self, checked):
if checked:
if self.sender() is self.rbOutputZip:
self.leZipFileName.setEnabled(True)
self.leDirectoryName.setEnabled(False)
self.leTilesFroNGM.setEnabled(False)
self.chkWriteMapurl.setEnabled(False)
self.chkWriteViewer.setEnabled(False)
self.chkWriteJson.setEnabled(True)
self.spnTileWidth.setEnabled(True)
self.chkLockRatio.setEnabled(True)
self.cmbFormat.setEnabled(True)
self.chkMBTilesCompression.setEnabled(True)
self.chkWriteOverview.setEnabled(True)
elif self.sender() is self.rbOutputDir:
self.leZipFileName.setEnabled(False)
self.leDirectoryName.setEnabled(True)
self.leTilesFroNGM.setEnabled(False)
self.chkWriteMapurl.setEnabled(True)
self.chkWriteViewer.setEnabled(True)
self.chkWriteJson.setEnabled(True)
self.chkMBTilesCompression.setEnabled(False)
self.spnTileWidth.setEnabled(True)
self.chkLockRatio.setEnabled(True)
self.cmbFormat.setEnabled(True)
self.chkWriteOverview.setEnabled(True)
elif self.sender() is self.rbOutputNGM:
self.leZipFileName.setEnabled(False)
self.leDirectoryName.setEnabled(False)
self.leTilesFroNGM.setEnabled(True)
self.chkWriteMapurl.setEnabled(False)
self.chkWriteViewer.setEnabled(False)
self.chkMBTilesCompression.setEnabled(False)
self.spnTileWidth.setValue(256)
self.spnTileWidth.setEnabled(False)
self.chkLockRatio.setCheckState(Qt.Checked)
self.chkLockRatio.setEnabled(False)
self.cmbFormat.setCurrentIndex(0)
self.cmbFormat.setEnabled(False)
self.chkWriteOverview.setChecked(False)
self.chkWriteOverview.setEnabled(False)
self.chkWriteJson.setChecked(False)
self.chkWriteJson.setEnabled(False)
def __toggleLayerSelector(self, checked):
self.cmbLayers.setEnabled(checked)
def __toggleHeightEdit(self, state):
if state == Qt.Checked:
self.lblHeight.setEnabled(False)
self.spnTileHeight.setEnabled(False)
self.spnTileHeight.setValue(self.spnTileWidth.value())
else:
self.lblHeight.setEnabled(True)
self.spnTileHeight.setEnabled(True)
@pyqtSlot(int)
def __updateTileSize(self, value):
if self.chkLockRatio.isChecked():
self.spnTileHeight.setValue(value)
def __select_output(self):
if self.rbOutputZip.isChecked():
file_directory = QFileInfo(self.settings.value('outputToZip_Path', '.')).absolutePath()
outPath, outFilter = QFileDialog.getSaveFileName(self, self.tr('Save to file'), file_directory, ';;'.join(list(self.FORMATS.keys())), list(self.FORMATS.keys())[list(self.FORMATS.values()).index('.zip')])
if not outPath:
return
if not outPath.lower().endswith(self.FORMATS[outFilter]):
outPath += self.FORMATS[outFilter]
self.leZipFileName.setText(outPath)
self.settings.setValue('outputToZip_Path', QFileInfo(outPath).absoluteFilePath())
elif self.rbOutputDir.isChecked():
dir_directory = QFileInfo(self.settings.value('outputToDir_Path', '.')).absolutePath()
outPath = QFileDialog.getExistingDirectory(self, self.tr('Save to directory'), dir_directory, QFileDialog.ShowDirsOnly)
if not outPath:
return
self.leDirectoryName.setText(outPath)
self.settings.setValue('outputToDir_Path', QFileInfo(outPath).absoluteFilePath())
elif self.rbOutputNGM.isChecked():
zip_directory = QFileInfo(self.settings.value('outputToNGM_Path', '.')).absolutePath()
outPath, outFilter = QFileDialog.getSaveFileName(self, self.tr('Save to file'), zip_directory, 'ngrc')
if not outPath:
return
if not outPath.lower().endswith('ngrc'):
outPath += '.ngrc'
self.leTilesFroNGM.setText(outPath)
self.settings.setValue('outputToNGM_Path', QFileInfo(outPath).absoluteFilePath())