microproduct/dem-sentiral/ISCEApp/site-packages/osgeo_utils/samples/gcps2ogr.py

91 lines
3.2 KiB
Python

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
# ******************************************************************************
# $Id: gcps2ogr.py e4fe7cc06270e5f38dfe78e6785a6bcca4e39e29 2021-04-01 21:02:04 +0300 Idan Miara $
#
# Project: GDAL
# Purpose: Outputs GDAL GCPs as OGR points
# Author: Even Rouault, <even dot rouault at spatialys dot com>
#
# ******************************************************************************
# Copyright (c) 2015, Even Rouault, <even dot rouault at spatialys dot 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
from osgeo import gdal
from osgeo import ogr
from osgeo import osr
def Usage():
print('Usage: gcp2ogr.py [-f ogr_drv_name] gdal_in_dataset ogr_out_dataset')
return 1
def main(argv):
out_format = 'ESRI Shapefile'
in_dataset = None
out_dataset = None
i = 1
while i < len(argv):
if argv[i] == '-f':
i += 1
out_format = argv[i]
elif argv[i][0] == '-':
Usage()
elif in_dataset is None:
in_dataset = argv[i]
elif out_dataset is None:
out_dataset = argv[i]
else:
Usage()
i += 1
if out_dataset is None:
return Usage()
ds = gdal.Open(in_dataset)
out_ds = ogr.GetDriverByName(out_format).CreateDataSource(out_dataset)
sr = None
wkt = ds.GetGCPProjection()
if wkt != '':
sr = osr.SpatialReference(wkt)
out_lyr = out_ds.CreateLayer('gcps', geom_type=ogr.wkbPoint, srs=sr)
out_lyr.CreateField(ogr.FieldDefn('Id', ogr.OFTString))
out_lyr.CreateField(ogr.FieldDefn('Info', ogr.OFTString))
out_lyr.CreateField(ogr.FieldDefn('X', ogr.OFTReal))
out_lyr.CreateField(ogr.FieldDefn('Y', ogr.OFTReal))
gcps = ds.GetGCPs()
for gcp in gcps:
f = ogr.Feature(out_lyr.GetLayerDefn())
f.SetField('Id', gcp.Id)
f.SetField('Info', gcp.Info)
f.SetField('X', gcp.GCPPixel)
f.SetField('Y', gcp.GCPLine)
f.SetGeometry(ogr.CreateGeometryFromWkt('POINT(%f %f)' % (gcp.GCPX, gcp.GCPY)))
out_lyr.CreateFeature(f)
return 0
if __name__ == '__main__':
sys.exit(main(sys.argv))