145 lines
5.9 KiB
Python
Executable File
145 lines
5.9 KiB
Python
Executable File
#!/usr/bin/env python3
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#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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# Copyright 2012 California Institute of Technology. ALL RIGHTS RESERVED.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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# United States Government Sponsorship acknowledged. This software is subject to
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# U.S. export control laws and regulations and has been classified as 'EAR99 NLR'
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# (No [Export] License Required except when exporting to an embargoed country,
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# end user, or in support of a prohibited end use). By downloading this software,
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# the user agrees to comply with all applicable U.S. export laws and regulations.
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# The user has the responsibility to obtain export licenses, or other export
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# authority as may be required before exporting this software to any 'EAR99'
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# embargoed foreign country or citizen of those countries.
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#
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# Author: Giangi Sacco
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#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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from .SRTMManager import SRTMManager
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from iscesys.Component.Component import Component
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import numpy as np
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from isceobj.Image import createDemImage
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EXTRA = Component.Parameter('_extra',
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public_name = 'extra',default = '.SRTMGL1',
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type = str,
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mandatory = False,
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doc = 'String to append to default name such as .SRTMGL1 for dem. Since the default is set to read usgs' \
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+' dems if extra is empty one needs to enter a empty string "" in the xml file' +\
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' otherwise if no value is provided is then interpreted as None by the xml reader.')
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DATA_EXT = Component.Parameter('_dataExt',
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public_name = 'dataExt',default = '.hgt',
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type = str,
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mandatory = False,
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doc = 'Extension of the data such as .hgt')
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URL = Component.Parameter('_url',
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public_name = 'URL',default = 'http://e4ftl01.cr.usgs.gov/MEASURES/SRTMGL1.003/2000.02.11',
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type = str,
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mandatory = False,
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doc = "Url for the high resolution DEM.")
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DTYPE = Component.Parameter('_dtype',
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public_name = 'dtype',
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default = 'SHORT',
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type = str,
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mandatory = False,
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doc = 'Data type')
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TILE_SIZE = Component.Parameter('_tileSize',
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public_name = 'tileSize',
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default = [3601,3601],
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container=list,
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type=int,
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mandatory = True,
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doc = 'Two element list with the number of row and columns of the tile.')
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FILLING_VALUE = Component.Parameter('_fillingValue',
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public_name = 'fillingValue',
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default = -32768,
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type=float,
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mandatory = True,
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doc = 'Value used for missing tiles.')
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CORRECT = Component.Parameter('_correct',
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public_name='correct',
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default = False,
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type = bool,
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mandatory = False,
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doc = "Apply correction EGM96 -> WGS84 (default: True). The output metadata is in xml \n" +
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"format only")
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##Base class to handle product such as dem or water mask
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class Dem1Manager(SRTMManager):
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family = 'dem1manager'
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parameter_list = (
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EXTRA,
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DATA_EXT,
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URL,
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DTYPE,
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TILE_SIZE,
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FILLING_VALUE,
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CORRECT
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)
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#provide default name for output if not provided
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def stitch(self,lats,lons):
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if not self.outputFile:
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self.outputFile = self.defaultName([min(lats[0],lats[1]),max(lats[0],lats[1]),
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min(lons[0],lons[1]),max(lons[0],lons[1])])
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return super(Dem1Manager,self).stitch(lats,lons)
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## Corrects the self._image from EGM96 to WGS84 and viceversa.
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#@param image \c Image if provided is used instead of the instance attribute self._image
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#@param conversionType \c int -1 converts from EGM96 to WGS84, 1 converts from WGS84 to EGM96
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#@return \c Image instance the converted Image
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def correct(self,image = None,conversionType=-1):
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'''Corrects the self._image from EGM96 to WGS84 and viceversa.'''
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from contrib.demUtils.Correct_geoid_i2_srtm import (
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Correct_geoid_i2_srtm
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)
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cg = Correct_geoid_i2_srtm()
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return cg(image,conversionType) if image else cg(self._image,conversionType)
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def createImage(self,lats,lons,filename):
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img = createDemImage()
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lons = np.sort(lons)
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img.initImage(filename,'read',self._tileWidth*int(np.diff(lons)[0]))
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img._metadataLocation = filename + '.xml'
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img.coord1.coordStart = lons[0]
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img.coord1.coordDelta = 1./self._tileWidth
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img.coord2.coordStart = np.sort(lats)[-1]
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img.coord2.coordDelta = -1./self._tileWidth
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return img
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def defaultName(self,snwe):
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latMin = np.floor(snwe[0])
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latMax = np.ceil(snwe[1])
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lonMin = np.floor(snwe[2])
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lonMax = np.ceil(snwe[3])
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nsMin,ewMin = self.convertCoordinateToString(latMin, lonMin)
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nsMax,ewMax = self.convertCoordinateToString(latMax, lonMax)
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demName = (
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'demLat_' + nsMin + '_' +nsMax +
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'_Lon_' + ewMin +
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'_' + ewMax + '.dem'
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)
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return demName
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def __init__(self,family = '', name = ''):
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self.parameter_list = self.parameter_list + super(SRTMManager,self).parameter_list
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self.updateParameters()
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super(Dem1Manager, self).__init__(family if family else self.__class__.family, name=name)
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self._tileWidth = 3600
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def updateParameters(self):
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self.extendParameterList(SRTMManager,Dem1Manager)
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super(Dem1Manager,self).updateParameters()
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