When I run the command in osgeo4W shell
gdalinfo -json C:\Users\Gurminder\Documents\Git\Dump\s1a-ew-grd-hh-20160725t043517-20160725t043617-012300-01322b-001.tiff I get a large json of my Ground Control Points in my Geotiff on osgeo4W shell
"id":"415", "info":"", "pixel":7860.0, "line":9500.0, "x":41.044310052891461, "y":80.384405675842217, "z":0.000080652534962 }, { "id":"416", "info":"", "pixel":8384.0, "line":9500.0, "x":39.992034664274136, "y":80.451811504231259, "z":0.000068210996687 }, { "id":"417", "info":"", "pixel":8908.0, "line":9500.0, "x":38.925295378731292, "y":80.516011620653984, "z":0.00005738902837 }, { "id":"418", "info":"", "pixel":9432.0, "line":9500.0, "x":37.844523013673438, "y":80.576940552941835, "z":0.000047997571528 }, { "id":"419", "info":"", "pixel":9956.0, "line":9500.0, "x":36.750199046384161, "y":80.634534507475493, "z":0.000039840117097 }, { "id":"420", "info":"", "pixel":10464.0, "line":9500.0, "x":35.67685495909776, "y":80.687127644427321, "z":0.000033005140722 }, { "id":"421", "info":"", "pixel":0.0, "line":9990.0, "x":54.402523858527992, "y":78.888970505105561, "z":0.00080771651119 }, { "id":"422", "info":"", "pixel":524.0, "line":9990.0, "x":53.594594754429728, "y":78.994877546416106, "z":0.00068476703018 }, { "id":"423", "info":"", "pixel":1048.0, "line":9990.0, "x":52.771326645764503, "y":79.09860793751308, "z":0.000583708286285 }, { "id":"424", "info":"", "pixel":1572.0, "line":9990.0, "x":51.932609464913519, "y":79.200099113399347, "z":0.000499621964991 }, { "id":"425", "info":"", "pixel":2096.0, "line":9990.0, "x":51.078355257846297, "y":79.299287448374685, "z":0.000428957864642 }, { "id":"426", "info":"", "pixel":2620.0, "line":9990.0, "x":50.208499784506166, "y":79.396108400008572, "z":0.000369090586901 }, { "id":"427", "info":"", "pixel":3144.0, "line":9990.0, "x":49.323004461292157, "y":79.490496622303397, "z":0.000318020582199 }, { "id":"428", "info":"", "pixel":3668.0, "line":9990.0, "x":48.421858453237064, "y":79.582386076574608, "z":0.000274220481515 }, { "id":"429", "info":"", "pixel":4192.0, "line":9990.0, "x":47.505080811550357, "y":79.671710152726646, "z":0.000236473977566 }, { "id":"430", "info":"", "pixel":4716.0, "line":9990.0, "x":46.572722598777816, "y":79.758401805672122, "z":0.000203838571906 }, { "id":"431", "info":"", "pixel":5240.0, "line":9990.0, "x":45.624868968480804, "y":79.8423937077754, "z":0.000175525434315 }, { "id":"432", "info":"", "pixel":5764.0, "line":9990.0, "x":44.661641178464464, "y":79.923618416502279, "z":0.000150921754539 }, { "id":"433", "info":"", "pixel":6288.0, "line":9990.0, "x":43.683198521075894, "y":80.002008555919033, "z":0.000129488296807 }, { "id":"434", "info":"", "pixel":6812.0, "line":9990.0, "x":42.689740153517683, "y":80.077497010754328, "z":0.000110816210508 }, { "id":"435", "info":"", "pixel":7336.0, "line":9990.0, "x":41.681506806995351, "y":80.150017132083008, "z":0.00009514670819 }, { "id":"436", "info":"", "pixel":7860.0, "line":9990.0, "x":40.658782346748879, "y":80.219502954099653, "z":0.00008085463196 }, { "id":"437", "info":"", "pixel":8384.0, "line":9990.0, "x":39.621895146303608, "y":80.285889421813877, "z":0.000068411231041 }, { "id":"438", "info":"", "pixel":8908.0, "line":9990.0, "x":38.571219229101906, "y":80.349112629643642, "z":0.000057565048337 }, { "id":"439", "info":"", "pixel":9432.0, "line":9990.0, "x":37.507175119584744, "y":80.409110070861843, "z":0.000048157759011 }, { "id":"440", "info":"", "pixel":9956.0, "line":9990.0, "x":36.43023033424695, "y":80.465820897486239, "z":0.000039997510612 }, { "id":"441", "info":"", "pixel":10464.0, "line":9990.0, "x":35.374339433997491, "y":80.517606789267248, "z":0.000033148564398 } ] }, "metadata":{ "":{ "AREA_OR_POINT":"Area", "TIFFTAG_DATETIME":"2016:07:25 04:52:55", "TIFFTAG_IMAGEDESCRIPTION":"Sentinel-1A EW GRD MR L1", "TIFFTAG_SOFTWARE":"Sentinel-1 IPF 002.71" }, "IMAGE_STRUCTURE":{ "INTERLEAVE":"BAND" } }, "cornerCoordinates":{ "upperLeft":[ 0.0, 0.0 ], "lowerLeft":[ 0.0, 9991.0 ], "upperRight":[ 10465.0, 0.0 ], "lowerRight":[ 10465.0, 9991.0 ], "center":[ 5232.5, 4995.5 ] }, "wgs84Extent":{ "type":"Polygon", "coordinates":[ [ ] ] }, "bands":[ { "band":1, "block":[ 10465, 1 ], "type":"UInt16", "colorInterpretation":"Gray", "metadata":{ } } ] } I am writing a python script where with gdal, I am trying to transfer GCP's from one file to another, this file has 411 GCP's, for transferring this huge list I am planning to create a loop with gdal_tranfer and send iteratively all the GCP's to the new file.
From python by using os.system() I can run gdalinfo but I cannot save the returned result into a python variable, is there any way of saving the entire json returned by gdalinfo into python variable?
