コード例 #1
0
 *   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.                                   *
 *                                                                         *
 ***************************************************************************/
"""
import os

# import GDAL and QGIS libraries
from osgeo import gdal, osr, ogr
gdal.UseExceptions()
import gdalconst

# import logging for debug messages
import terre_image_logging
logger = terre_image_logging.configure_logger()


def get_image_epsg_code_with_gdal(image_in):
    """
    Extract the following information from the given image:
        - epsg code
    """
    try:
        dataset = gdal.Open(image_in, gdalconst.GA_ReadOnly)
    except RuntimeError:  # OSError is get when the access to a folder is refused
        logger.exception("Error: Opening " + image_in)
        return

    spatialReference = osr.SpatialReference()
    spatialReference.ImportFromWkt(dataset.GetProjectionRef())
コード例 #2
0
        email                : [email protected]
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   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.                                   *
 *                                                                         *
 ***************************************************************************/
"""

# import logging for debug messages
import terre_image_logging
logger = terre_image_logging.configure_logger()


class TerreImageConstant(object):
    """
    This class allow to manage constants of the catalog.
    It manages:
        iface                  --    iface to link the catalog to qgis (adding layers, acces to canvas...)
        canvas                 --    mapCanvas of qgis == self.iface.mapCanvas()
        legendInterface        --    acces from qgis to symbols, layers ...
        index_group            --    qgis group of terre_image.
    """
    instance = None
    def __new__(cls, *args, **kwargs):  # __new__ always a classmethod
        if not cls.instance:
            cls.instance = super(TerreImageConstant, cls).__new__(cls, *args, **kwargs)  # S2Constant.__S2Constant()