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
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
|
# -*- coding: utf-8 -*-
"""
***************************************************************************
doMerge.py
---------------------
Date : June 2010
Copyright : (C) 2010 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__ = 'June 2010'
__copyright__ = '(C) 2010, Giuseppe Sucameli'
# This will get replaced with a git SHA1 when you do a git archive
__revision__ = '$Format:%H$'
from PyQt4.QtCore import *
from PyQt4.QtGui import *
from qgis.core import *
from qgis.gui import *
from ui_widgetMerge 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_merge.py")
self.inSelector.setType( self.inSelector.FILE )
self.outSelector.setType( self.outSelector.FILE )
self.recurseCheck.hide()
# use this for approx. previous UI
#self.creationOptionsWidget.setType(QgsRasterFormatSaveOptionsWidget.Table)
self.outputFormat = Utils.fillRasterOutputFormat()
self.extent = None
self.setParamsStatus(
[
(self.inSelector, SIGNAL("filenameChanged()")),
(self.outSelector, SIGNAL("filenameChanged()")),
(self.noDataSpin, SIGNAL("valueChanged(int)"), self.noDataCheck),
(self.inputDirCheck, SIGNAL("stateChanged(int)")),
(self.recurseCheck, SIGNAL("stateChanged(int)"), self.inputDirCheck),
( self.separateCheck, SIGNAL( "stateChanged( int )" ) ),
( self.pctCheck, SIGNAL( "stateChanged( int )" ) ),
( self.intersectCheck, SIGNAL( "stateChanged( int )" ) ),
(self.creationOptionsWidget, SIGNAL("optionsChanged()")),
(self.creationOptionsGroupBox, SIGNAL("toggled(bool)"))
]
)
self.connect(self.inSelector, SIGNAL("selectClicked()"), self.fillInputFilesEdit)
self.connect(self.outSelector, SIGNAL("selectClicked()"), self.fillOutputFileEdit)
self.connect(self.intersectCheck, SIGNAL("toggled(bool)"), self.refreshExtent)
self.connect(self.inputDirCheck, SIGNAL("stateChanged( int )"), self.switchToolMode)
self.connect(self.inSelector, SIGNAL("filenameChanged()"), self.refreshExtent)
def switchToolMode(self):
self.recurseCheck.setVisible( self.inputDirCheck.isChecked() )
self.inSelector.clear()
if self.inputDirCheck.isChecked():
self.inFileLabel = self.label.text()
self.label.setText( QCoreApplication.translate( "GdalTools", "&Input directory" ) )
QObject.disconnect(self.inSelector, SIGNAL("selectClicked()"), self.fillInputFilesEdit)
QObject.connect(self.inSelector, SIGNAL("selectClicked()"), self.fillInputDir)
else:
self.label.setText( self.inFileLabel )
QObject.connect(self.inSelector, SIGNAL("selectClicked()"), self.fillInputFilesEdit)
QObject.disconnect(self.inSelector, SIGNAL("selectClicked()"), self.fillInputDir)
def fillInputFilesEdit(self):
lastUsedFilter = Utils.FileFilter.lastUsedRasterFilter()
files = Utils.FileDialog.getOpenFileNames(self, self.tr( "Select the files to Merge" ), Utils.FileFilter.allRastersFilter(), lastUsedFilter )
if not files:
return
Utils.FileFilter.setLastUsedRasterFilter(lastUsedFilter)
self.inSelector.setFilename(files)
def refreshExtent(self):
files = self.getInputFileNames()
self.intersectCheck.setEnabled( len(files) > 1 )
if not self.intersectCheck.isChecked():
self.someValueChanged()
return
if len(files) < 2:
self.intersectCheck.setChecked( False )
return
self.extent = self.getIntersectedExtent( files )
if self.extent == None:
QMessageBox.warning( self, self.tr( "Error retrieving the extent" ), self.tr( 'GDAL was unable to retrieve the extent from any file. \nThe "Use intersected extent" option will be unchecked.' ) )
self.intersectCheck.setChecked( False )
return
elif self.extent.isEmpty():
QMessageBox.warning( self, self.tr( "Empty extent" ), self.tr( 'The computed extent is empty. \nDisable the "Use intersected extent" option to have a nonempty output.' ) )
self.someValueChanged()
def fillOutputFileEdit(self):
lastUsedFilter = Utils.FileFilter.lastUsedRasterFilter()
outputFile = Utils.FileDialog.getSaveFileName(self, self.tr( "Select where to save the Merge output" ), Utils.FileFilter.allRastersFilter(), lastUsedFilter )
if not outputFile:
return
Utils.FileFilter.setLastUsedRasterFilter(lastUsedFilter)
self.outputFormat = Utils.fillRasterOutputFormat( lastUsedFilter, outputFile )
self.outSelector.setFilename( outputFile )
def fillInputDir( self ):
inputDir = Utils.FileDialog.getExistingDirectory( self, self.tr( "Select the input directory with files to Merge" ))
if not inputDir:
return
self.inSelector.setFilename( inputDir )
def getArguments(self):
arguments = []
if self.intersectCheck.isChecked():
if self.extent != None:
arguments.append("-ul_lr")
arguments.append(str( self.extent.xMinimum() ))
arguments.append(str( self.extent.yMaximum() ))
arguments.append(str( self.extent.xMaximum() ))
arguments.append(str( self.extent.yMinimum() ))
if self.noDataCheck.isChecked():
arguments.append("-n")
arguments.append(str(self.noDataSpin.value()))
if Utils.GdalConfig.versionNum() >= 1900:
arguments.append("-a_nodata")
arguments.append(str(self.noDataSpin.value()))
if self.separateCheck.isChecked():
arguments.append("-separate")
if self.pctCheck.isChecked():
arguments.append("-pct")
if self.creationOptionsGroupBox.isChecked():
for opt in self.creationOptionsWidget.options():
arguments.append("-co")
arguments.append(opt)
outputFn = self.getOutputFileName()
if outputFn:
arguments.append("-of")
arguments.append(self.outputFormat)
arguments.append("-o")
arguments.append(outputFn)
arguments.extend(self.getInputFileNames())
return arguments
def getOutputFileName(self):
return self.outSelector.filename()
def getInputFileName(self):
if self.inputDirCheck.isChecked():
return self.inSelector.filename()
return self.inSelector.filename().split(",")
def getInputFileNames(self):
if self.inputDirCheck.isChecked():
return Utils.getRasterFiles( self.inSelector.filename(), self.recurseCheck.isChecked() )
return self.inSelector.filename().split(",")
def addLayerIntoCanvas(self, fileInfo):
self.iface.addRasterLayer(fileInfo.filePath())
def getIntersectedExtent(self, files):
res = None
for fileName in files:
if res == None:
res = Utils.getRasterExtent( self, fileName )
continue
rect2 = Utils.getRasterExtent( self, fileName )
if rect2 == None:
continue
res = res.intersect( rect2 )
if res.isEmpty():
break
return res
|
