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# -*- coding: utf-8 -*-
"""
***************************************************************************
doDEM.py
---------------------
Date : March 2011
Copyright : (C) 2011 by Giuseppe Sucameli
Email : brush dot tyler at gmail dot com
***************************************************************************
* *
* 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. *
* *
***************************************************************************
"""
__author__ = 'Giuseppe Sucameli'
__date__ = 'March 2011'
__copyright__ = '(C) 2011, Giuseppe Sucameli'
# This will get replaced with a git SHA1 when you do a git archive
__revision__ = '$Format:%H$'
from qgis.PyQt.QtWidgets import QWidget
from .ui_widgetDEM import Ui_GdalToolsWidget as Ui_Widget
from .widgetPluginBase import GdalToolsBasePluginWidget as BasePluginWidget
from . import GdalTools_utils as Utils
class GdalToolsDialog(QWidget, Ui_Widget, BasePluginWidget):
def __init__(self, iface):
QWidget.__init__(self)
self.iface = iface
self.modes = ("hillshade", "slope", "aspect", "color-relief", "TRI", "TPI", "roughness")
self.setupUi(self)
BasePluginWidget.__init__(self, self.iface, "gdaldem")
self.outSelector.setType(self.outSelector.FILE)
self.configSelector.setType(self.configSelector.FILE)
# set the default QSpinBoxes and QProgressBar value
self.bandSpin.setValue(1)
self.hillshadeZFactorSpin.setValue(1)
self.hillshadeScaleSpin.setValue(1)
self.hillshadeAltitudeSpin.setValue(45.0)
self.hillshadeAzimuthSpin.setValue(315.0)
self.slopeScaleSpin.setValue(1)
# set the default color configuration file to terrain
import os.path
colorConfigFile = os.path.join(os.path.dirname(__file__), "terrain.txt")
self.configSelector.setFilename(colorConfigFile)
self.outputFormat = Utils.fillRasterOutputFormat()
self.creationOptionsWidget.setFormat(self.outputFormat)
self.setParamsStatus([
(self.inSelector, "filenameChanged"),
(self.outSelector, "filenameChanged"),
(self.computeEdgesCheck, "stateChanged", None, 1800),
(self.bandSpin, "valueChanged", self.bandCheck),
(self.algorithmCheck, "stateChanged", None, 1800),
(self.creationOptionsWidget, "optionsChanged"),
(self.creationOptionsGroupBox, "toggled"),
(self.modeCombo, "currentIndexChanged"),
([self.hillshadeZFactorSpin, self.hillshadeScaleSpin, self.hillshadeAltitudeSpin, self.hillshadeAzimuthSpin], "valueChanged"),
(self.slopeScaleSpin, "valueChanged"),
(self.slopePercentCheck, "stateChanged"),
([self.aspectTrigonometricCheck, self.aspectZeroForFlatCheck], "stateChanged"),
(self.configSelector, "filenameChanged"),
([self.colorExactRadio, self.colorNearestRadio], "toggled", self.colorMatchGroupBox),
(self.colorAlphaCheck, "stateChanged")
])
self.inSelector.selectClicked.connect(self.fillInputFileEdit)
self.outSelector.selectClicked.connect(self.fillOutputFileEdit)
self.configSelector.selectClicked.connect(self.fillColorConfigFileEdit)
self.modeCombo.currentIndexChanged.connect(self.showModeParams)
def showModeParams(self, index):
self.stackedWidget.setVisible(index < 4)
self.algorithmCheck.setVisible(index < 3)
if index >= 3:
self.algorithmCheck.setChecked(False)
def onLayersChanged(self):
self.inSelector.setLayers(Utils.LayerRegistry.instance().getRasterLayers())
def fillInputFileEdit(self):
lastUsedFilter = Utils.FileFilter.lastUsedRasterFilter()
inputFile = Utils.FileDialog.getOpenFileName(self, self.tr("Select the file for DEM"), Utils.FileFilter.allRastersFilter(), lastUsedFilter)
if not inputFile:
return
Utils.FileFilter.setLastUsedRasterFilter(lastUsedFilter)
self.inSelector.setFilename(inputFile)
self.getArguments()
def fillOutputFileEdit(self):
lastUsedFilter = Utils.FileFilter.lastUsedRasterFilter()
outputFile = Utils.FileDialog.getSaveFileName(self, self.tr("Select the raster file to save the results to"), Utils.FileFilter.saveRastersFilter(), lastUsedFilter)
if not outputFile:
return
Utils.FileFilter.setLastUsedRasterFilter(lastUsedFilter)
self.outputFormat = Utils.fillRasterOutputFormat(lastUsedFilter, outputFile)
self.outSelector.setFilename(outputFile)
self.creationOptionsWidget.setFormat(self.outputFormat)
def fillColorConfigFileEdit(self):
configFile = Utils.FileDialog.getOpenFileName(self, self.tr("Select the color configuration file"))
if not configFile:
return
self.configSelector.setFilename(configFile)
def getArguments(self):
mode = self.modes[self.modeCombo.currentIndex()]
arguments = []
arguments.append(mode)
arguments.append(self.getInputFileName())
if mode == "color-relief":
arguments.append(self.configSelector.filename())
outputFn = self.getOutputFileName()
arguments.append(outputFn)
if mode == "hillshade":
arguments.extend(["-z", self.hillshadeZFactorSpin.value()])
arguments.extend(["-s", self.hillshadeScaleSpin.value()])
arguments.extend(["-az", self.hillshadeAzimuthSpin.value()])
arguments.extend(["-alt", self.hillshadeAltitudeSpin.value()])
elif mode == "slope":
if self.slopePercentCheck.isChecked():
arguments.append("-p")
arguments.extend(["-s", self.slopeScaleSpin.value()])
elif mode == "aspect":
if self.aspectTrigonometricCheck.isChecked():
arguments.append("-trigonometric")
if self.aspectZeroForFlatCheck.isChecked():
arguments.append("-zero_for_flat")
elif mode == "color-relief":
if self.colorAlphaCheck.isChecked():
arguments.append("-alpha")
if self.colorMatchGroupBox.isChecked():
if self.colorExactRadio.isChecked():
arguments.append("-exact_color_entry")
elif self.colorNearestRadio.isChecked():
arguments.append("-nearest_color_entry")
if self.algorithmCheck.isChecked():
arguments.extend(["-alg", "ZevenbergenThorne"])
if self.computeEdgesCheck.isChecked():
arguments.append("-compute_edges")
if self.bandCheck.isChecked():
arguments.extend(["-b", self.bandSpin.value()])
if outputFn:
arguments.extend(["-of", self.outputFormat])
if self.creationOptionsGroupBox.isChecked():
for opt in self.creationOptionsWidget.options():
arguments.extend(["-co", opt])
# set creation options filename/layer for validation
if self.inSelector.layer():
self.creationOptionsWidget.setRasterLayer(self.inSelector.layer())
else:
self.creationOptionsWidget.setRasterFileName(self.getInputFileName())
return arguments
def getInputFileName(self):
return self.inSelector.filename()
def getOutputFileName(self):
return self.outSelector.filename()
def addLayerIntoCanvas(self, fileInfo):
self.iface.addRasterLayer(fileInfo.filePath())
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