def main(argv=None):
#Input is a filename
if len(sys.argv[1:]) == 1:
fn = sys.argv[1]
ext = os.path.splitext(fn)[1].lower()
#Accept DigitalGlobe image metadata in xml
if ext == '.xml':
from dgtools.lib import dglib
geom = dglib.xml2geom(fn)
#Want to be better about handling arbitrary gdal formats here
elif ext == '.tif' or ext == '.ras':
ds = gdal.Open(fn)
geom = geolib.ds_geom(ds, t_srs=geolib.wgs_srs)
#geom = geolib.get_outline(ds, t_srs=geolib.wgs_srs)
#Input is lat/lon
elif len(sys.argv[1:]) == 2:
y = float(sys.argv[1])
x = float(sys.argv[2])
#Force longitude -180 to 180
x = (x+180) - math.floor((x+180)/360)*360 - 180
#Check that latitude is valid
if y > 90 or y < -90:
sys.exit('Invalid latitude: %f' % y)
geom = geolib.xy2geom(x, y)
else:
sys.exit("Usage: %s [lat lon]|[raster.tif]" % os.path.basename(sys.argv[0]))
#Now determine the srs from geom
srs = geolib.get_proj(geom)
#And print to stdout
print(srs.ExportToProj4().strip())
if site_name not in valid_sites:
continue
#Could output json here
stackdir = os.path.join(outdir, site_name)
if not os.path.exists(stackdir):
os.makedirs(stackdir)
out_fn = os.path.join(stackdir, 'site_%s.csv' % site_name)
f = open(out_fn, 'w')
site_geom_orig = site_feat.GetGeometryRef()
site_geom_orig.AssignSpatialReference(site_shp_srs)
#This will automatically select appropriate UTM zone or polar stereographic
if dst_srs is None:
dst_srs = geolib.get_proj(site_geom_orig)
geolib.geom_transform(site_geom_orig, dst_srs)
if buffer is not None:
site_geom_buff = site_geom_orig.Buffer(buffer)
site_geom = site_geom_buff
else:
site_geom = site_geom_orig
#This is xmin, xmax, ymin, ymax
site_extent = geolib.geom_extent(site_geom)
site_extent_str = ' '.join(map(str, site_extent))
print("Extent:", site_extent)
print("Width/Height (km)", np.array(geolib.geom_wh(site_geom)) / 1000.)