1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
|
# -*- coding: utf-8 -*-
from PyQt4.QtCore import *
from PyQt4.QtGui import *
from qgis.core import *
from qgis.gui import *
from osgeo import ogr
from ui_widgetProximity import Ui_GdalToolsWidget as Ui_Widget
from widgetPluginBase import GdalToolsBasePluginWidget as BasePluginWidget
import GdalTools_utils as Utils
class GdalToolsDialog(QWidget, Ui_Widget, BasePluginWidget):
def __init__(self, iface):
QWidget.__init__(self)
self.iface = iface
self.setupUi(self)
BasePluginWidget.__init__(self, self.iface, "gdal_proximity.py")
self.outSelector.setType( self.outSelector.FILE )
self.outputFormat = Utils.fillRasterOutputFormat()
self.setParamsStatus(
[
(self.inSelector, SIGNAL("filenameChanged()")),
(self.outSelector, SIGNAL("filenameChanged()")),
(self.valuesEdit, SIGNAL("textChanged(const QString &)"), self.valuesCheck),
(self.distUnitsCombo, SIGNAL("currentIndexChanged(int)"), self.distUnitsCheck),
(self.maxDistSpin, SIGNAL("valueChanged(int)"), self.maxDistCheck),
(self.noDataSpin, SIGNAL("valueChanged(int)"), self.noDataCheck),
(self.fixedBufValSpin, SIGNAL("valueChanged(int)"), self.fixedBufValCheck)
]
)
self.connect(self.inSelector, SIGNAL("selectClicked()"), self.fillInputFileEdit)
self.connect(self.outSelector, SIGNAL("selectClicked()"), self.fillOutputFileEdit)
def onLayersChanged(self):
self.inSelector.setLayers( Utils.LayerRegistry().getRasterLayers() )
def fillInputFileEdit(self):
lastUsedFilter = Utils.FileFilter.lastUsedRasterFilter()
inputFile = Utils.FileDialog.getOpenFileName(self, self.tr( "Select the input file for Proximity" ), Utils.FileFilter.allRastersFilter(), lastUsedFilter )
if inputFile.isEmpty():
return
Utils.FileFilter.setLastUsedRasterFilter(lastUsedFilter)
self.inSelector.setFilename(inputFile)
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.allRastersFilter(), lastUsedFilter)
if outputFile.isEmpty():
return
Utils.FileFilter.setLastUsedRasterFilter(lastUsedFilter)
self.outputFormat = Utils.fillRasterOutputFormat( lastUsedFilter, outputFile )
self.outSelector.setFilename(outputFile)
def getArguments(self):
arguments = QStringList()
arguments << self.getInputFileName()
outputFn = self.getOutputFileName()
arguments << outputFn
if self.valuesCheck.isChecked():
values = self.valuesEdit.text().trimmed()
if not values.isEmpty():
arguments << "-values"
arguments << values.replace(' ', ',')
if self.distUnitsCheck.isChecked() and self.distUnitsCombo.currentIndex() >= 0:
arguments << "-distunits"
arguments << self.distUnitsCombo.currentText()
if self.maxDistCheck.isChecked():
arguments << "-maxdist"
arguments << str(self.maxDistSpin.value())
if self.noDataCheck.isChecked():
arguments << "-nodata"
arguments << str(self.noDataSpin.value())
if self.fixedBufValCheck.isChecked():
arguments << "-fixed-buf-val"
arguments << str(self.fixedBufValSpin.value())
if not outputFn.isEmpty():
arguments << "-of"
arguments << self.outputFormat
return arguments
def getOutputFileName(self):
return self.outSelector.filename()
def getInputFileName(self):
return self.inSelector.filename()
def addLayerIntoCanvas(self, fileInfo):
self.iface.addRasterLayer(fileInfo.filePath())
|
