#!/usr/bin/env python
# -*- coding: utf-8 -*-
###############################################################################
# $Id$
#
# Project:  GDAL/OGR Test Suite
# Purpose:  Test read functionality for PDS driver.
# Author:   Even Rouault <even dot rouault @ mines-paris dot org>
# 
###############################################################################
# Copyright (c) 2008, Even Rouault <even dot rouault @ mines-paris dot org>
# 
# Permission is hereby granted, free of charge, to any person obtaining a
# copy of this software and associated documentation files (the "Software"),
# to deal in the Software without restriction, including without limitation
# the rights to use, copy, modify, merge, publish, distribute, sublicense,
# and/or sell copies of the Software, and to permit persons to whom the
# Software is furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included
# in all copies or substantial portions of the Software.
# 
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
# DEALINGS IN THE SOFTWARE.
###############################################################################

import os
import sys
from osgeo import gdal, osr
import array
import string

sys.path.append( '../pymod' )

import gdaltest

###############################################################################
# Read a truncated and modified version of http://download.osgeo.org/gdal/data/pds/mc02.img

def pds_1():

    tst = gdaltest.GDALTest( 'PDS', 'mc02_truncated.img', 1, 47151 )
    expected_prj = """PROJCS["SIMPLE_CYLINDRICAL "MARS"",GEOGCS["GCS_"MARS"",DATUM["D_"MARS"",SPHEROID[""MARS"",3396000,0]],PRIMEM["Reference_Meridian",0],UNIT["degree",0.0174532925199433]],PROJECTION["Equirectangular"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",0],PARAMETER["false_easting",0],PARAMETER["false_northing",0],PARAMETER["pseudo_standard_parallel_1",0]]"""
    expected_gt = (-10668384.903788566589355,926.115274429321289,0,3852176.483988761901855,0,-926.115274429321289)
    return tst.testOpen( check_prj = expected_prj,
                         check_gt = expected_gt )


###############################################################################
# Read a truncated and modified version of ftp://pdsimage2.wr.usgs.gov/cdroms/magellan/mg_1103/fl78n018/fl73n003.img

def pds_2():

    tst = gdaltest.GDALTest( 'PDS', 'fl73n003_truncated.img', 1, 34962 )
    expected_prj = """PROJCS["SINUSOIDAL VENUS",
    GEOGCS["GCS_VENUS",
        DATUM["D_VENUS",
            SPHEROID["VENUS",6051000,0]],
        PRIMEM["Reference_Meridian",0],
        UNIT["degree",0.0174532925199433]],
    PROJECTION["Sinusoidal"],
    PARAMETER["longitude_of_center",18],
    PARAMETER["false_easting",0],
    PARAMETER["false_northing",0]]"""
    expected_gt = (587861.55900404998, 75.000002980232239, 0.0, -7815243.4746123618, 0.0, -75.000002980232239)
    if tst.testOpen( check_prj = expected_prj,
                     check_gt = expected_gt ) != 'success':
        return 'fail'

    ds = gdal.Open('data/fl73n003_truncated.img')
    if ds.GetRasterBand(1).GetNoDataValue() != 7:
        return 'fail'
    if ds.GetRasterBand(1).GetScale() != 0.2:
        return 'fail'
    if ds.GetRasterBand(1).GetOffset() != -20.2:
        return 'fail'

    # Per #3939 we would also like to test a dataset with MISSING_CONSTANT.
    ds = gdal.Open('data/fl73n003_alt_truncated.img')
    if ds.GetRasterBand(1).GetNoDataValue() != 7:
        return 'fail'

    return 'success'

###############################################################################
# Read a truncated and modified version of ftp://pdsimage2.wr.usgs.gov/cdroms/messenger/MSGRMDS_1001/DATA/2004_232/EN0001426030M.IMG
# 16bits image

def pds_3():

    # Shut down warning about missing projection
    gdal.PushErrorHandler('CPLQuietErrorHandler')

    tst = gdaltest.GDALTest( 'PDS', 'EN0001426030M_truncated.IMG', 1, 1367 )

    gt_expected = (0,1,0,0,0,1)
    if tst.testOpen( check_gt=gt_expected ) != 'success':
        return 'fail'

    ds = gdal.Open('data/EN0001426030M_truncated.IMG')
    if ds.GetRasterBand(1).GetNoDataValue() != -32768:
        return 'fail'

    gdal.PopErrorHandler()

    return 'success'

###############################################################################
# Read a hacked example of reading a detached file with an offset #3177.

def pds_4():

    tst = gdaltest.GDALTest( 'PDS', 'pds_3177.lbl', 1, 3418 )
    gt_expected = (6119184.3590369327, 1.0113804322107001, 0.0, -549696.39009125973, 0.0, -1.0113804322107001)
    return tst.testOpen( check_gt = gt_expected )

###############################################################################
# Read a hacked example of reading a detached file with an offset #3355.

def pds_5():

    tst = gdaltest.GDALTest( 'PDS', 'pds_3355.lbl', 1, 2748 )
    return tst.testOpen()

###############################################################################
# Read an image via the PDS label.  This is a distinct mode of the PDS
# driver mostly intended to support jpeg2000 files with PDS labels. 

def pds_6():

    tst = gdaltest.GDALTest( 'PDS', 'ESP_013951_1955_RED.LBL', 1, 4672 )

    gt_expected = (-6139197.5, 0.5, 0.0, 936003.0, 0.0, -0.5)
    
    if tst.testOpen( check_gt=gt_expected ) != 'success':
        return 'fail'

    ds = gdal.Open('data/ESP_013951_1955_RED.LBL')

    if len(ds.GetFileList()) != 2:
        gdaltest.post_reason( 'failed to get expected file list.' )
        return 'fail'

    expected_wkt = 'PROJCS["EQUIRECTANGULAR MARS",GEOGCS["GCS_MARS",DATUM["D_MARS",SPHEROID["MARS_localRadius",3394839.8133163,0]],PRIMEM["Reference_Meridian",0],UNIT["degree",0.0174532925199433]],PROJECTION["Equirectangular"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",180],PARAMETER["standard_parallel_1",15],PARAMETER["false_easting",0],PARAMETER["false_northing",0]]'
    wkt = ds.GetProjection()
    if expected_wkt != wkt:
        print('Got: ', wkt)
        print('Exp: ', expected_wkt)
        gdaltest.post_reason( 'did not get expected coordinate system.' )
        return 'fail'

    return 'success'

###############################################################################
# Read an uncompressed image via the PDS label. (#3943)

def pds_7():

    tst = gdaltest.GDALTest( 'PDS', 'LDEM_4.LBL', 1, 50938,
                             0, 0, 1440, 2 )
    gt_expected = (-5450622.3254203796, 7580.8377265930176, 0.0, 2721520.7438468933, 0.0, -7580.8377265930176)
    prj_expected = """PROJCS["SIMPLE_CYLINDRICAL MOON",
    GEOGCS["GCS_MOON",
        DATUM["D_MOON",
            SPHEROID["MOON",1737400,0]],
        PRIMEM["Reference_Meridian",0],
        UNIT["degree",0.0174532925199433]],
    PROJECTION["Equirectangular"],
    PARAMETER["latitude_of_origin",0],
    PARAMETER["central_meridian",180],
    PARAMETER["standard_parallel_1",0],
    PARAMETER["false_easting",0],
    PARAMETER["false_northing",0]]"""
    
    if tst.testOpen( check_prj=prj_expected,
                     check_gt=gt_expected ) != 'success':
        return 'fail'

    return 'success'

###############################################################################
# Test applying adjument offsets via configuration variables for the
# geotransform (#3940)

def pds_8():

    # values for MAGELLAN FMAP data.
    gdal.SetConfigOption( 'PDS_SampleProjOffset_Shift', '1.5' )
    gdal.SetConfigOption( 'PDS_LineProjOffset_Shift', '1.5' )
    gdal.SetConfigOption( 'PDS_SampleProjOffset_Mult', '1.0' )
    gdal.SetConfigOption( 'PDS_LineProjOffset_Mult', '-1.0' )
    
    tst = gdaltest.GDALTest( 'PDS', 'mc02_truncated.img', 1, 47151 )

    expected_gt = (10670237.134337425, 926.11527442932129, 0.0, -3854028.7145376205, 0.0, -926.11527442932129)

    result = tst.testOpen( check_gt = expected_gt )

    # clear config settings
    gdal.SetConfigOption( 'PDS_SampleProjOffset_Shift', None )
    gdal.SetConfigOption( 'PDS_LineProjOffset_Shift', None )
    gdal.SetConfigOption( 'PDS_SampleProjOffset_Mult', None )
    gdal.SetConfigOption( 'PDS_LineProjOffset_Shift', None )

    return result

###############################################################################
# Test a PDS with an image compressed in a ZIP, and with nodata expressed as
# an hexadecimal floating point value (#3939)

def pds_9():

    # Derived from http://pdsimage.wr.usgs.gov/data/co-v_e_j_s-radar-3-sbdr-v1.0/CORADR_0035/DATA/BIDR/BIEQI49N071_D035_T00AS01_V02.LBL
    tst = gdaltest.GDALTest( 'PDS', 'PDS_WITH_ZIP_IMG.LBL', 1, 0 )

    if tst.testOpen() != 'success':
        return 'fail'

    ds = gdal.Open('data/PDS_WITH_ZIP_IMG.LBL')
    got_nd = ds.GetRasterBand(1).GetNoDataValue()
    expected_nd = -3.40282265508890445e+38
    if abs((got_nd - expected_nd) / expected_nd) > 1e-5:
        gdaltest.post_reason('fail')
        print(got_nd)
        return 'fail'

    if len(ds.GetProjectionRef()) == 0:
        gdaltest.post_reason('fail')
        return 'fail'

    return 'success'

gdaltest_list = [
    pds_1,
    pds_2,
    pds_3,
    pds_4,
    pds_5,
    pds_6,
    pds_7,
    pds_8,
    pds_9 ]

if __name__ == '__main__':

    gdaltest.setup_run( 'pds' )

    gdaltest.run_tests( gdaltest_list )

    gdaltest.summarize()