Python osgeo.gdal.UseExceptions() Examples

The following are 4 code examples of osgeo.gdal.UseExceptions(). You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may also want to check out all available functions/classes of the module osgeo.gdal , or try the search function .
Example #1
Source Project: buzzard   Author: airware   File: tools.py    License: Apache License 2.0 5 votes vote down vote up
def make_tif2(path, reso=(1., -1.), rsize=(10, 10), tl=(0., 10.),
              proj=SRS[0]['wkt'], channel_count=1, dtype=gdal.GDT_Float32,
              nodata=-32000, nodata_border_size=(0, 0, 0, 0)):
    """Create a tiff files"""
    reso = np.asarray(reso)
    fp = buzz.Footprint(tl=tl, rsize=rsize, size=np.abs(reso * rsize))
    x, y = fp.meshgrid_raster
    a = x + y
    if nodata_border_size != 0:
        l, r, t, b = nodata_border_size
        if t != 0:
            a[None:t, None:None] = nodata
        if b != 0:
            a[-b:None, None:None] = nodata
        if l != 0:
            a[None:None, None:l] = nodata
        if r != 0:
            a[None:None, -r:None] = nodata

    LOGGER.info('TIFF ARRAY:%s\n', a)
    gdal.UseExceptions()
    driver = gdal.GetDriverByName('GTiff')
    dataset = driver.Create(path, int(rsize[0]), int(rsize[1]), channel_count, dtype)
    dataset.SetGeoTransform(fp.gt)
    dataset.SetProjection(proj)
    for i in range(channel_count):
        dataset.GetRasterBand(i + 1).WriteArray(a)
        dataset.GetRasterBand(i + 1).SetNoDataValue(nodata)
    dataset.FlushCache() 
Example #2
Source Project: wradlib   Author: wradlib   File: util.py    License: MIT License 5 votes vote down vote up
def has_geos():
    pnt1 = ogr.CreateGeometryFromWkt("POINT(10 20)")
    pnt2 = ogr.CreateGeometryFromWkt("POINT(30 20)")
    ogrex = ogr.GetUseExceptions()
    gdalex = gdal.GetUseExceptions()
    gdal.DontUseExceptions()
    ogr.DontUseExceptions()
    hasgeos = pnt1.Union(pnt2) is not None
    if ogrex:
        ogr.UseExceptions()
    if gdalex:
        gdal.UseExceptions()
    return hasgeos 
Example #3
Source Project: DsgTools   Author: dsgoficial   File: raster_processing.py    License: GNU General Public License v2.0 5 votes vote down vote up
def __init__(self):
        # this allows GDAL to throw Python Exceptions
        gdal.UseExceptions() 
Example #4
Source Project: DsgTools   Author: dsgoficial   File: HSV_fusion.py    License: GNU General Public License v2.0 5 votes vote down vote up
def __init__(self):
        """
        Constructor
        """
        # this allows GDAL to throw Python Exceptions
        gdal.UseExceptions()