| pktools 2.6.7 Processing Kernel for geospatial data

pkcomposite.py
1# -*- coding: utf-8 -*-
2
3"""
4***************************************************************************
5 pkcomposite.py
6 ---------------------
7 Date : April 2015
8 Copyright : (C) 2015 by Pieter Kempeneers
9 Email : kempenep at gmail dot com
10***************************************************************************
11* *
12* This program is free software; you can redistribute it and/or modify *
13* it under the terms of the GNU General Public License as published by *
14* the Free Software Foundation; either version 2 of the License, or *
15* (at your option) any later version. *
16* *
17***************************************************************************
18"""
19
20__author__ = 'Pieter Kempeneers'
21__date__ = 'April 2015'
22__copyright__ = '(C) 2015, Pieter Kempeneers'
23# This will get replaced with a git SHA1 when you do a git archive
24__revision__ = '$Format:%H$'
25
26 import os
27 from pktoolsUtils import pktoolsUtils
28 from pktoolsAlgorithm import pktoolsAlgorithm
29 from processing.core.parameters import ParameterMultipleInput
30 from processing.core.parameters import ParameterRaster
31 from processing.core.outputs import OutputRaster
32 from processing.core.parameters import ParameterSelection
33 from processing.core.parameters import ParameterNumber
34 from processing.core.parameters import ParameterString
35 from processing.core.parameters import ParameterBoolean
36 from processing.core.parameters import ParameterExtent
37
38 class pkcomposite(pktoolsAlgorithm):
39
40 INPUT = "INPUT"
41 OUTPUT = "OUTPUT"
42 CRULE_OPTIONS = ["overwrite", "maxndvi", "maxband", "minband", "validband", "mean", "mode", "median", "sum", "minallbands", "maxallbands","stdev"]
43 CRULE = "CRULE"
44 DX = "DX"
45 DY = "DY"
46 PROJWIN = 'PROJWIN'
47 CB = "CB"
48 SRCNODATA = "SRCNODATA"
49 BNDNODATA = "BNDNODATA"
50 DSTNODATA = "DSTNODATA"
51 MINGUI = "MINGUI"
52 MAXGUI = "MAXGUI"
53 RESAMPLE_OPTIONS = ['near', 'bilinear']
54 RESAMPLE = "RESAMPLE"
55 RTYPE = 'RTYPE'
56 TYPE = ['none', 'Byte','Int16','UInt16','UInt32','Int32','Float32','Float64','CInt16','CInt32','CFloat32','CFloat64']
57 EXTRA = 'EXTRA'
58
59 def cliName(self):
60 return "pkcomposite"
61
62 def defineCharacteristics(self):
63 self.name = "composite/mosaic raster datasets"
64 self.group = "[pktools] raster"
65 self.addParameter(ParameterMultipleInput(self.INPUT, 'Input layer raster data set',ParameterMultipleInput.TYPE_RASTER))
66 self.addParameter(ParameterSelection(self.CRULE,"composite rule",self.CRULE_OPTIONS, 0))
67 self.addOutput(OutputRaster(self.OUTPUT, "Output raster data set"))
68 self.addParameter(ParameterSelection(self.RTYPE, 'Output raster type (leave as none to keep original type)', self.TYPE, 0))
69 self.addParameter(ParameterNumber(self.DX, "Output resolution in x (leave 0 for no change)",0.0,None,0.0))
70 self.addParameter(ParameterNumber(self.DY, "Output resolution in y (leave 0 for no change)",0.0,None,0.0))
71 self.addParameter(ParameterExtent(self.PROJWIN,
72 'Georeferenced boundingbox'))
73 self.addParameter(ParameterString(self.CB, "band index(es) used for the composite rule (0 based), e.g., 0;1 in case of maxndvi","0"))
74 self.addParameter(ParameterString(self.SRCNODATA, "invalid value(s) for input raster dataset (e.g., 0;255)","none"))
75 self.addParameter(ParameterString(self.BNDNODATA, "Band(s) in input image to check if pixel is valid (e.g., 0;1)","0"))
76 self.addParameter(ParameterString(self.DSTNODATA, "nodata value to put in output raster dataset if not valid or out of bounds","0"))
77 self.addParameter(ParameterString(self.MINGUI, "flag values smaller or equal to this value as invalid","none"))
78 self.addParameter(ParameterString(self.MAXGUI, "flag values larger or equal to this value as invalid","none"))
79 self.addParameter(ParameterSelection(self.RESAMPLE,"resampling method",self.RESAMPLE_OPTIONS, 0))
80 self.addParameter(ParameterString(self.EXTRA,
81 'Additional parameters', '-of GTiff', optional=True))
82
83 def processAlgorithm(self, progress):
84 cliPath = '"' + os.path.join(pktoolsUtils.pktoolsPath(), self.cliName()) + '"'
85 commands = [cliPath]
86
87 input=self.getParameterValue(self.INPUT)
88 inputFiles = input.split(';')
89 for inputFile in inputFiles:
90 commands.append('-i')
91 commands.append('"' + inputFile + '"')
92
93 if self.TYPE[self.getParameterValue(self.RTYPE)] != "none":
94 commands.append('-ot')
95 commands.append(self.TYPE[self.getParameterValue(self.RTYPE)])
96 output=self.getOutputValue(self.OUTPUT)
97 if output != "":
98 commands.append("-o")
99 commands.append('"' + output + '"')
100 commands.append("-cr")
101 commands.append(self.CRULE_OPTIONS[self.getParameterValue(self.CRULE)])
102 if self.getParameterValue(self.DX) != 0:
103 commands.append("-dx")
104 commands.append(str(self.getParameterValue(self.DX)))
105 if self.getParameterValue(self.DY) != 0:
106 commands.append("-dy")
107 commands.append(str(self.getParameterValue(self.DY)))
108 projwin = str(self.getParameterValue(self.PROJWIN))
109 regionCoords = projwin.split(',')
110 commands.append('-ulx')
111 commands.append(regionCoords[0])
112 commands.append('-uly')
113 commands.append(regionCoords[3])
114 commands.append('-lrx')
115 commands.append(regionCoords[1])
116 commands.append('-lry')
117 commands.append(regionCoords[2])
118 cb=self.getParameterValue(self.CB)
119 cbValues = cb.split(';')
120 for cbValue in cbValues:
121 commands.append('-cb')
122 commands.append(cbValue)
123 srcnodata=self.getParameterValue(self.SRCNODATA)
124 if srcnodata != "none":
125 srcnodataValues = srcnodata.split(';')
126 for srcnodataValue in srcnodataValues:
127 commands.append('-srcnodata')
128 commands.append(srcnodataValue)
129 bndnodata=self.getParameterValue(self.BNDNODATA)
130 bndnodataValues = bndnodata.split(';')
131 for bndnodataValue in bndnodataValues:
132 commands.append('-bndnodata')
133 commands.append(bndnodataValue)
134 commands.append('-dstnodata')
135 commands.append(self.getParameterValue(self.DSTNODATA))
136
137 minGUI=self.getParameterValue(self.MINGUI)
138 if minGUI != "none":
139 minValues = minGUI.split(';')
140 for minValue in minValues:
141 commands.append('-min')
142 commands.append(minValue)
143 maxGUI=self.getParameterValue(self.MAXGUI)
144 if maxGUI != "none":
145 maxValues = maxGUI.split(';')
146 for maxValue in maxValues:
147 commands.append('-max')
148 commands.append(maxValue)
149 commands.append("-r")
150 commands.append(self.RESAMPLE_OPTIONS[self.getParameterValue(self.RESAMPLE)])
151 extra = str(self.getParameterValue(self.EXTRA))
152 if len(extra) > 0:
153 commands.append(extra)
154
155 pktoolsUtils.runpktools(commands, progress)
qgis.pkcomposite.pkcomposite.RESAMPLE_OPTIONS
list RESAMPLE_OPTIONS
Definition: pkcomposite.py:53
qgis.pkcomposite.pkcomposite.CRULE_OPTIONS
list CRULE_OPTIONS
Definition: pkcomposite.py:42
qgis.pkcomposite.pkcomposite.DSTNODATA
string DSTNODATA
Definition: pkcomposite.py:50
qgis.pkcomposite.pkcomposite.cliName
def cliName(self)
Definition: pkcomposite.py:59
qgis.pkcomposite.pkcomposite.EXTRA
string EXTRA
Definition: pkcomposite.py:57
qgis.pkcomposite.pkcomposite.MAXGUI
string MAXGUI
Definition: pkcomposite.py:52
qgis.pkcomposite.pkcomposite.SRCNODATA
string SRCNODATA
Definition: pkcomposite.py:48
qgis.pkcomposite.pkcomposite.MINGUI
string MINGUI
Definition: pkcomposite.py:51
qgis.pkcomposite.pkcomposite.RESAMPLE
string RESAMPLE
Definition: pkcomposite.py:54
qgis.pkcomposite.pkcomposite.BNDNODATA
string BNDNODATA
Definition: pkcomposite.py:49
qgis.pkcomposite.pkcomposite.TYPE
list TYPE
Definition: pkcomposite.py:56
qgis.pkcomposite.pkcomposite.OUTPUT
string OUTPUT
Definition: pkcomposite.py:41
qgis.pkcomposite.pkcomposite.CB
string CB
Definition: pkcomposite.py:47
qgis.pkcomposite.pkcomposite.group
group
Definition: pkcomposite.py:64
qgis.pkcomposite.pkcomposite.DY
string DY
Definition: pkcomposite.py:45
qgis.pkcomposite.pkcomposite.RTYPE
string RTYPE
Definition: pkcomposite.py:55
qgis.pkcomposite.pkcomposite.CRULE
string CRULE
Definition: pkcomposite.py:43
qgis.pkcomposite.pkcomposite.PROJWIN
string PROJWIN
Definition: pkcomposite.py:46
qgis.pkcomposite.pkcomposite.DX
string DX
Definition: pkcomposite.py:44
qgis.pkcomposite.pkcomposite.INPUT
string INPUT
Definition: pkcomposite.py:40
qgis.pkcomposite.pkcomposite.name
name
Definition: pkcomposite.py:63