#!/usr/bin/env python
###############################################################################
# $Id$
#
# Project:  GDAL/OGR Test Suite
# Purpose:  Test ILWIS format driver.
# Author:   Frank Warmerdam <warmerdam@pobox.com>
# 
###############################################################################
# Copyright (c) 2005, Frank Warmerdam <warmerdam@pobox.com>
# 
# 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 sys

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

import gdaltest

###############################################################################
# Perform simple read test.

def ilwis_1():

    tst = gdaltest.GDALTest( 'ilwis', 'LanduseSmall.mpr', 1, 2351 )

    srs = """PROJCS["UTM",
    GEOGCS["PSAD56",
        DATUM["Provisional_South_American_Datum_1956",
            SPHEROID["International 1924",6378388,297,
                AUTHORITY["EPSG","7022"]],
            TOWGS84[-288,175,-376,0,0,0,0],
            AUTHORITY["EPSG","6248"]],
        PRIMEM["Greenwich",0,
            AUTHORITY["EPSG","8901"]],
        UNIT["degree",0.01745329251994328,
            AUTHORITY["EPSG","9122"]],
        AUTHORITY["EPSG","4248"]],
    PROJECTION["Transverse_Mercator"],
    PARAMETER["latitude_of_origin",0],
    PARAMETER["central_meridian",-69],
    PARAMETER["scale_factor",0.9996],
    PARAMETER["false_easting",500000],
    PARAMETER["false_northing",10000000],
    UNIT["Meter",1]]"""

    gt = (795480, 20, 0, 8090520, 0, -20)
    
    return tst.testOpen( check_gt = gt, check_prj = srs )

###############################################################################
# copy byte data and verify.

def ilwis_2():

    tst = gdaltest.GDALTest( 'ilwis', 'byte.tif', 1, 4672 )

    return tst.testCreateCopy( check_srs=1, check_gt=1,
                               new_filename = 'tmp/byte.mpr' )
    
###############################################################################
# copy floating point data and use Create interface.

def ilwis_3():

    tst = gdaltest.GDALTest( 'ilwis', 'float.img', 1, 23529 )

    return tst.testCreate( new_filename = 'tmp/float.mpr', out_bands = 1 )

###############################################################################
# Try multi band dataset. 

def ilwis_4():

    tst = gdaltest.GDALTest( 'ilwis', 'rgbsmall.tif', 2, 21053 )

    return tst.testCreate( new_filename = 'tmp/rgb.mpl', check_minmax = 0, 
                           out_bands = 3 )

###############################################################################
# Test vsi in-memory support.

def ilwis_5():

    tst = gdaltest.GDALTest( 'ilwis', 'byte.tif', 1, 4672 )

    return tst.testCreateCopy( check_srs=1, check_gt=1,
                               vsimem = 1, 
                               new_filename = '/vsimem/ilwis/byte.mpr' )
    
###############################################################################
# Cleanup.
#
# Currently the ILWIS driver does not keep track of the files that are
# part of the dataset properly, so we can't automatically clean them up
# properly. So we do the brute force approach...

def ilwis_cleanup():
    gdaltest.clean_tmp()
    return 'success'

gdaltest_list = [
    ilwis_1,
    ilwis_2,
    ilwis_3,
    ilwis_4,
    ilwis_5,
    ilwis_cleanup ]

if __name__ == '__main__':

    gdaltest.setup_run( 'ilwis' )

    gdaltest.run_tests( gdaltest_list )

    gdaltest.summarize()