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RasterES_ED50ERTS89DirInv.py
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# -*- coding: utf-8 -*-
"""
***************************************************************************
RasterES_ED50ERTS89DirInv.py
---------------------
Date : March 2015
Copyright : (C) 2015 by Giovanni Manghi
Email : giovanni dot manghi at naturalgis dot pt
***************************************************************************
* *
* 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__ = 'Giovanni Manghi'
__date__ = 'March 2015'
__copyright__ = '(C) 2015, Giovanni Manghi'
# This will get replaced with a git SHA1 when you do a git archive
__revision__ = '$Format:%H$'
import inspect
import os
from PyQt4.QtGui import QIcon
from processing.gui.Help2Html import getHtmlFromRstFile
try:
from processing.parameters.ParameterRaster import ParameterRaster
from processing.parameters.ParameterSelection import ParameterSelection
from processing.outputs.OutputRaster import OutputRaster
except:
from processing.core.parameters import ParameterRaster
from processing.core.parameters import ParameterSelection
from processing.core.outputs import OutputRaster
from processing.core.GeoAlgorithm import GeoAlgorithm
from processing.algs.gdal.GdalUtils import GdalUtils
class RasterES_ED50ERTS89DirInv(GeoAlgorithm):
INPUT = 'INPUT'
OUTPUT = 'OUTPUT'
TRANSF = 'TRANSF'
TRANSF_OPTIONS = ['Direct: Old Data -> ETRS89 [EPSG:4258]',
'Inverse: ETRS89 [EPSG:4258] -> Old Data']
CRS = 'CRS'
CRS_OPTIONS = ['ED50/UTM 29N [EPSG:23029]',
'ED50/UTM 30N [EPSG:23030]',
'ED50/UTM 31N [EPSG:23031]']
GRID = 'GRID'
GRID_OPTIONS = ['PENR2009']
def getIcon(self):
return QIcon(os.path.dirname(__file__) + '/icons/es.png')
def help(self):
name = self.commandLineName().split(':')[1].lower()
filename = os.path.join(os.path.dirname(inspect.getfile(self.__class__)), 'help', name + '.rst')
try:
html = getHtmlFromRstFile(filename)
return True, html
except:
return False, None
def defineCharacteristics(self):
self.name = '[ES] Direct and inverse Raster Tranformation'
self.group = '[ES] Spain (mainland)'
self.addParameter(ParameterRaster(self.INPUT, 'Input raster', False))
self.addParameter(ParameterSelection(self.TRANSF, 'Transformation',
self.TRANSF_OPTIONS))
self.addParameter(ParameterSelection(self.CRS, 'Old Datum',
self.CRS_OPTIONS))
self.addParameter(ParameterSelection(self.GRID, 'NTv2 Grid',
self.GRID_OPTIONS))
self.addOutput(OutputRaster(self.OUTPUT, 'Output'))
def processAlgorithm(self, progress):
if self.getParameterValue(self.TRANSF) == 0:
# Direct transformation
arguments = ['-s_srs']
if self.getParameterValue(self.CRS) == 0:
# ED50/UTM 29N [EPSG:23029]
if self.getParameterValue(self.GRID) == 0:
# PENR2009
arguments.append('+proj=utm +zone=29 +ellps=intl +nadgrids=' + os.path.dirname(__file__) + '/grids/PENR2009.gsb +wktext +units=m +no_defs')
arguments.append('-t_srs')
arguments.append('EPSG:4258')
elif self.getParameterValue(self.CRS) == 1:
# ED50/UTM 30N [EPSG:23030]
if self.getParameterValue(self.GRID) == 0:
# PENR2009
arguments.append('+proj=utm +zone=30 +ellps=intl +nadgrids=' + os.path.dirname(__file__) + '/grids/PENR2009.gsb +wktext +units=m +no_defs')
arguments.append('-t_srs')
arguments.append('EPSG:4258')
elif self.getParameterValue(self.CRS) == 2:
# ED50/UTM 31N [EPSG:23031]
if self.getParameterValue(self.GRID) == 0:
# PENR2009
arguments.append('+proj=utm +zone=31 +ellps=intl +nadgrids=' + os.path.dirname(__file__) + '/grids/PENR2009.gsb +wktext +units=m +no_defs')
arguments.append('-t_srs')
arguments.append('EPSG:4258')
else:
# Inverse transformation
arguments = ['-t_srs']
if self.getParameterValue(self.CRS) == 0:
# ED50/UTM 29N [EPSG:23029]
if self.getParameterValue(self.GRID) == 0:
# PENR2009
arguments.append('+proj=utm +zone=29 +ellps=intl +nadgrids=' + os.path.dirname(__file__) + '/grids/PENR2009.gsb +wktext +units=m +no_defs')
arguments.append('-s_srs')
arguments.append('EPSG:4258')
elif self.getParameterValue(self.CRS) == 1:
# ED50/UTM 30N [EPSG:23030]
if self.getParameterValue(self.GRID) == 0:
# PENR2009
arguments.append('+proj=utm +zone=30 +ellps=intl +nadgrids=' + os.path.dirname(__file__) + '/grids/PENR2009.gsb +wktext +units=m +no_defs')
arguments.append('-s_srs')
arguments.append('EPSG:4258')
elif self.getParameterValue(self.CRS) == 2:
# ED50/UTM 31N [EPSG:23031]
if self.getParameterValue(self.GRID) == 0:
# PENR2009
arguments.append('+proj=utm +zone=31 +ellps=intl +nadgrids=' + os.path.dirname(__file__) + '/grids/PENR2009.gsb +wktext +units=m +no_defs')
arguments.append('-s_srs')
arguments.append('EPSG:4258')
arguments.append('-multi')
arguments.append('-of')
out = self.getOutputValue(self.OUTPUT)
arguments.append(GdalUtils.getFormatShortNameFromFilename(out))
arguments.append(self.getParameterValue(self.INPUT))
arguments.append(out)
if os.path.isfile(os.path.dirname(__file__) + '/grids/PENR2009.gsb') is False:
try:
from urllib import urlretrieve
except ImportError:
from urllib.request import urlretrieve
urlretrieve ("https://github.com/NaturalGIS/ntv2_transformations_grids_and_sample_data/raw/master/es/PENR2009.gsb", os.path.dirname(__file__) + "/grids/PENR2009.gsb")
GdalUtils.runGdal(['gdalwarp', GdalUtils.escapeAndJoin(arguments)],
progress)