int
main (int argc, const char *argv[])
{
  GDALDriverH hDriver;
  double adfGeoTransform[6];
  GDALDatasetH in_Dataset;
  GDALDatasetH out_Dataset;
  double *data_scan_line;
  char *out_scan_line;
  int nBlockXSize, nBlockYSize;
  int bGotMin, bGotMax;
  int bands;
  int xsize;
  double lower_fiddle, upper_fiddle;
  double adfMinMax[2];
  /* These are hard coded for now - need to figure out a better way to handle this.. */
  double palette_in[256] =
    { 0.0, 1.00011, 1.9999649999999998, 3.000075, 3.9999299999999995, 5.00004,
    5.999895, 7.000005, 8.000115, 8.99997, 10.00008, 10.999935,
    12.000044999999998, 12.9999,
    14.00001, 15.00012, 15.999975, 17.000085000000002, 17.99994, 19.00005,
    19.999905000000002,
    21.000014999999998, 22.000125, 22.99998, 24.000089999999997, 24.999945,
    26.000055, 26.99991,
    28.00002, 28.999875000000003, 29.999985, 31.000094999999998, 31.99995,
    33.00006, 33.999915,
    35.000024999999994, 35.99988, 36.999990000000004, 38.0001, 38.999955,
    40.000065, 40.99992,
    42.000029999999995, 42.999885, 43.999995000000006, 45.000105, 45.99996,
    47.00007,
    47.999925000000005, 49.000035, 49.99989, 51.0, 52.00011, 52.999965,
    54.000075, 54.99993,
    56.00004, 56.999895, 58.000004999999994, 59.000115, 59.99997,
    61.000080000000004, 61.999935,
    63.000045, 63.9999, 65.00001, 66.00012, 66.999975, 68.000085, 68.99994,
    70.00004999999999,
    70.999905, 72.000015, 73.000125, 73.99998000000001, 75.00009, 75.999945,
    77.00005499999999,
    77.99991, 79.00002, 79.99987499999999, 80.99998500000001, 82.000095,
    82.99995,
    84.00005999999999, 84.999915, 86.00002500000001, 86.99987999999999,
    87.99999000000001, 89.0001,
    89.999955, 91.00006499999999, 91.99992, 93.00003, 93.99988499999999,
    94.999995, 96.000105,
    96.99996, 98.00007, 98.999925, 100.000035, 100.99989, 102.0, 103.00011,
    103.999965, 105.000075,
    105.99993, 107.00004, 107.999895, 109.000005, 110.00011500000001,
    110.99997, 112.00008,
    112.99993500000001, 114.000045, 114.9999, 116.00000999999999, 117.00012,
    117.999975,
    119.000085, 119.99994, 121.00005, 121.999905, 123.00001499999999,
    124.000125,
    124.99998000000001, 126.00009, 126.999945, 128.000055, 128.99991,
    130.00002, 130.999875,
    131.99998499999998, 133.000095, 133.99995, 135.00006, 135.999915,
    137.00002500000002,
    137.99988, 138.99999, 140.00009999999997, 140.999955, 142.000065,
    142.99991999999997,
    144.00003, 144.999885, 145.99999499999998, 147.000105, 147.99996000000002,
    149.00007,
    149.999925, 151.00003500000003, 151.99989, 153.0, 154.00010999999998,
    154.999965, 156.000075,
    156.99992999999998, 158.00004, 158.999895, 160.000005, 161.000115,
    161.99997000000002,
    163.00008, 163.999935, 165.000045, 165.9999, 167.00001,
    168.00011999999998, 168.999975,
    170.000085, 170.99993999999998, 172.00005000000002, 172.999905,
    174.000015, 175.000125,
    175.99998000000002, 177.00009, 177.999945, 179.00005499999997, 179.99991,
    181.00002,
    181.999875, 182.999985, 184.00009500000002, 184.99994999999998, 186.00006,
    186.99991500000002,
    188.000025, 188.99988, 189.99999, 191.0001, 191.999955,
    193.00006499999998, 193.99992,
    195.00003, 195.99988499999998, 196.999995, 198.00010500000002, 198.99996,
    200.00007,
    200.99992500000002, 202.000035, 202.99989, 204.0, 205.00011, 205.999965,
    207.00007499999998,
    207.99993, 209.00004, 209.99989499999998, 211.00000500000002, 212.000115,
    212.99997, 214.00008,
    214.999935, 216.000045, 216.9999, 218.00001, 219.00012, 219.999975,
    221.00008499999998,
    221.99994, 223.00005000000002, 223.99990499999998, 225.00001500000002,
    226.000125, 226.99998,
    228.00009, 228.999945, 230.000055, 230.99991, 232.00001999999998,
    232.999875, 233.999985,
    235.000095, 235.99995, 237.00006, 237.999915, 239.000025, 239.99988,
    240.99999, 242.0001,
    242.999955, 244.000065, 244.99992, 246.00002999999998, 246.999885,
    247.999995, 249.000105,
    249.99996000000002, 251.00007, 251.999925, 253.000035, 253.99989, 255.0
  };
  double palette_out[256] =
    { 0.0, 0.042075, 0.08415, 0.126225, 0.169065, 0.21216, 0.255765, 0.29988,
    0.345015, 0.390915, 0.437835, 0.48602999999999996, 0.5352450000000001,
    0.58599, 0.63801,
    0.69156, 0.7468950000000001, 0.804015, 0.8629199999999999,
    0.9238649999999999, 0.98685, 1.05213,
    1.119705, 1.18983, 1.26225, 1.337475, 1.415505, 1.49634, 1.580235,
    1.6674449999999998, 1.75746,
    1.851045, 1.9482, 2.04867, 2.152965, 2.2608300000000003,
    2.3727750000000003, 2.4885450000000002,
    2.6083950000000002, 2.73258, 2.8611000000000004, 2.993955,
    3.1313999999999997, 3.27369, 3.42057,
    3.572295, 3.72912, 3.891045, 4.05807, 4.23045, 4.408440000000001,
    4.591785, 4.780995, 4.975815,
    5.1765, 5.38305, 5.595975, 5.8150200000000005, 6.040185, 6.27198,
    6.510405, 6.755205, 7.007145,
    7.265715, 7.53117, 7.8040199999999995, 8.084010000000001, 8.37114,
    8.66592, 8.968095, 9.27792,
    9.59565, 9.92103, 10.25457, 10.596015, 10.945875, 11.30415, 11.670585,
    12.04569, 12.429465,
    12.82191, 13.223279999999999, 13.63383, 14.053305, 14.48196,
    14.919794999999999, 15.36732,
    15.82428, 16.29093, 16.767270000000003, 17.253555, 17.749785, 18.256215,
    18.925845,
    19.456245000000003, 19.99863, 20.552745, 21.11859, 21.696165, 22.285725,
    22.887014999999998,
    23.500035, 24.125295, 24.762285, 25.411260000000002, 26.071965, 26.74491,
    27.42984, 28.12701,
    28.835910000000002, 29.55705, 30.29043, 31.035795, 31.7934, 32.56299,
    33.345075, 34.139145,
    34.94571, 35.764514999999996, 36.595305, 37.438845, 38.294625, 39.162645,
    40.04316, 40.935915,
    41.84142, 42.759165, 43.68966, 44.632394999999995, 45.58788, 46.55586,
    47.536335,
    48.529560000000004, 49.535535, 50.554005000000004, 51.58497, 52.62894,
    53.68566, 54.75513,
    55.837095, 56.932064999999994, 58.040040000000005, 59.160765,
    60.294239999999995, 61.44072,
    62.59995000000001, 63.772439999999996, 64.95768000000001,
    66.15592500000001, 67.36743,
    68.591685, 69.82919999999999, 71.07972, 72.343245, 73.620285, 74.910075,
    76.21337999999999,
    77.52968999999999, 78.85926, 80.20209, 81.55843499999999, 82.927785,
    84.31065, 85.66419,
    87.10264500000001, 88.611225, 90.18712500000001, 91.82779500000001,
    93.52992, 95.291205,
    97.108845, 98.979525, 100.90095, 102.87006, 104.884305, 106.94037,
    109.03596, 111.16827,
    113.33424000000001, 115.531065, 117.756195, 120.00657, 122.27964,
    124.572345,
    126.88213499999999, 129.20595, 131.54124, 133.8852, 136.23477,
    138.58714500000002, 140.939775,
    143.289855, 145.63458, 147.97089, 150.296235, 152.60781, 154.902555,
    157.17817499999998,
    159.431355, 161.65929, 163.859685, 166.02948, 168.165615, 170.26554,
    172.32645, 174.34554,
    176.320005, 178.24704, 180.292905, 182.130945, 183.953685, 185.76138,
    187.554285, 189.33291,
    191.09751, 192.84834, 194.58591, 196.310475, 198.02229, 199.72161,
    201.4092, 203.084805,
    204.74944499999998, 206.402865, 208.04557499999999, 209.67808499999998,
    211.30065, 212.913525,
    214.516965, 216.11148, 217.69758000000002, 219.27501, 220.84479,
    222.406665, 223.9614,
    225.50924999999998, 227.05047000000002, 228.585315, 230.114295,
    231.63766500000003,
    233.15568000000002, 234.66885000000002, 236.17743, 237.681675, 239.18184,
    240.67869, 242.172225,
    243.66295499999998, 245.15088, 246.636765, 248.12061000000003, 249.602925,
    251.083965,
    252.56424, 254.04375, 255.0
  };


  GDALAllRegister ();


  /* ussage.. */
  if (argc != 3)
    ussage ();

  /* Set cache to something reasonable.. - 1/2 gig */
  CPLSetConfigOption ("GDAL_CACHEMAX", "512");

  /* open datasets.. */
  in_Dataset = GDAL_open_read (argv[1]);
  out_Dataset = make_me_a_sandwitch (&in_Dataset, argv[2]);

  /* Basic info on source dataset.. */
  GDALGetBlockSize (GDALGetRasterBand (in_Dataset, 1), &nBlockXSize,
		    &nBlockYSize);
  printf ("Block=%dx%d Type=%s, ColorInterp=%s\n", nBlockXSize, nBlockYSize,
	  GDALGetDataTypeName (GDALGetRasterDataType
			       (GDALGetRasterBand (in_Dataset, 1))),
	  GDALGetColorInterpretationName (GDALGetRasterColorInterpretation
					  (GDALGetRasterBand
					   (in_Dataset, 1))));

  /* Loop though bands, scaling the data.. */
  xsize = GDALGetRasterXSize (in_Dataset);
  data_scan_line = (double *) CPLMalloc (sizeof (double) * xsize);
  out_scan_line = (char *) CPLMalloc (sizeof (char) * xsize);

  for (bands = 1; bands <= GDALGetRasterCount (in_Dataset); bands++)
    {
      int x;
      double min = 9999999.0, max = 0.0;	/* probibly a better way to set these.. */
      double dmin, dmax, middle;
      GDALRasterBandH data_band, out_band;
      int y_index = 0;
      data_band = GDALGetRasterBand (in_Dataset, bands);
      out_band = GDALGetRasterBand (out_Dataset, bands);

      /* Set nodata for that band */
      GDALSetRasterNoDataValue (out_band, 0.0);

      /*Find Min,Max, required for scaling */
      for (y_index = 0; y_index < GDALGetRasterYSize (in_Dataset); y_index++)
	{
	  /* Read data.. */
	  GDALRasterIO (data_band, GF_Read, 0, y_index, xsize, 1,
			data_scan_line, xsize, 1, GDT_Float64, 0, 0);
	  for (x = 0; x < xsize; x++)
	    {
	      if (data_scan_line[x] < MAX_MODIS
		  && data_scan_line[x] > MIN_VALUE)
		{
		  if (data_scan_line[x] > max)
		    max = data_scan_line[x];
		  else if (data_scan_line[x] < min)
		    min = data_scan_line[x];
		}
	    }
	}

      dmax = (double) max;
      dmin = (double) min;

      printf ("Info: For Band %d -> Min=%g,Max=%g\n", bands, dmin, dmax);

      for (y_index = 0; y_index < GDALGetRasterYSize (in_Dataset); y_index++)
	{
	  double scaled;

	  /* Read data.. */
	  GDALRasterIO (data_band, GF_Read, 0, y_index, xsize, 1,
			data_scan_line, xsize, 1, GDT_Float64, 0, 0);

	  /* scale each .. */
	  for (x = 0; x < xsize; x++)
	    {
	      out_scan_line[x] =
		scale (palette_in, palette_out, data_scan_line[x], dmin,
		       dmax);
	    }

	  /* now write out band.. */
	  GDALRasterIO (out_band, GF_Write, 0, y_index, xsize, 1,
			out_scan_line, xsize, 1, GDT_Byte, 0, 0);
	}

    }


  /* close file, and we are done. */
  GDALClose (out_Dataset);

}
int main( int argc, const char* argv[] )
{
    GDALDriverH   hDriver;
    double        adfGeoTransform[6];
    GDALDatasetH  in_Dataset;
    GDALDatasetH  mask_Dataset;
    GDALDatasetH  out_Dataset;
    GDALRasterBandH mask_band;
    unsigned char   *out_scan_line, *data_scan_line;
    int             nBlockXSize, nBlockYSize;
    int             bGotMin, bGotMax;
    int             bands;
    int             xsize;
    double          adfMinMax[2];
    int             valid_data_pixels[10];
    int             saturated_data_pixels[10];
    int             y_index, x;
    GDALRasterBandH  out_band;
    
    
    if ( argc != 3 ) {
        ussage(argv[0]);
    }

    
    GDALAllRegister();
    
    /* Set cache to something reasonable.. - 1/2 gig*/
    CPLSetConfigOption( "GDAL_CACHEMAX", "512" );

    /* open datasets..*/
    in_Dataset = GDAL_open_read( argv[1]);
    out_Dataset = make_me_a_sandwitch(&in_Dataset, argv[2]);
    
    /* Basic info on source dataset..*/
    GDALGetBlockSize(GDALGetRasterBand( in_Dataset, 1 ) , &nBlockXSize, &nBlockYSize );
    
    /* Loop though bands, checking for saturated pixels .... */
    xsize = GDALGetRasterXSize( in_Dataset );
    data_scan_line = (char *) CPLMalloc(sizeof(char)*xsize);
    out_scan_line = (char *) CPLMalloc(sizeof(char)*xsize);
    
    /* The output band... */
    out_band =  GDALGetRasterBand( out_Dataset, 1);

   
    /* wipe counters.. */ 
    for (bands=1; bands <= GDALGetRasterCount( in_Dataset ); bands ++ ) {
        valid_data_pixels[bands] = 0;
        saturated_data_pixels[bands] = 0;
    }
    
    /* loop though the lines of the data, looking for no data and saturated pixels..*/
    for (y_index = 0; y_index <GDALGetRasterYSize( in_Dataset ); y_index ++ ) {
        for (bands=1; bands <= GDALGetRasterCount( in_Dataset ); bands ++ ) {
            GDALRasterBandH data_band;
            /* Read data..*/
            data_band =  GDALGetRasterBand( in_Dataset, bands);
            GDALRasterIO( data_band, GF_Read, 0, y_index, xsize , 1, data_scan_line, xsize , 1, GDT_Byte, 0, 0 );
            /* If first band, then copy into output slice.. */
            if (bands==1) {
                unsigned char  data_value;
                for(x=0; x < xsize; x++) {
                    /*shift to make darker...*/
                   out_scan_line[x] = data_scan_line[x] >> 1 ;
                   if ( out_scan_line[x] ==0 && data_scan_line[x] != 0) {out_scan_line[x] = 1;}
                }
            }
            
            /* Loop though, looking for saturated pixels and no-data values.. */
            for(x=0; x < xsize; x++) {
                if (  data_scan_line[x] != 0 )  {
                   valid_data_pixels[bands] += 1;
                   if ( data_scan_line[x] == 255 ) {
                    saturated_data_pixels[bands] += 1;
                    out_scan_line[x] = 255;
                   }
                }
            }
        }
        GDALRasterIO( out_band, GF_Write, 0, y_index, xsize , 1, out_scan_line, xsize , 1, GDT_Byte, 0, 0 );
    }
Beispiel #3
0
int
main (int argc, const char *argv[])
{
  GDALDriverH hDriver;
  double adfGeoTransform[6];
  GDALDatasetH in_Dataset;
  GDALDatasetH mask_Dataset;
  GDALDatasetH out_Dataset;
  GDALRasterBandH mask_band;
  char *mask_scan_line, *data_scan_line;
  int nBlockXSize, nBlockYSize;
  int bGotMin, bGotMax;
  int bands;
  int xsize;
  double adfMinMax[2];

  GDALAllRegister ();

  /* Set cache to something reasonable.. - 1/2 gig */
  CPLSetConfigOption ("GDAL_CACHEMAX", "512");

  /* open datasets.. */
  in_Dataset = GDAL_open_read (argv[1]);
  mask_Dataset = GDAL_open_read (argv[2]);
  out_Dataset = make_me_a_sandwitch (&in_Dataset, argv[3]);

  mask_band = GDALGetRasterBand (mask_Dataset, 1);

  /* Basic info on source dataset.. */
  GDALGetBlockSize (GDALGetRasterBand (in_Dataset, 1), &nBlockXSize,
		    &nBlockYSize);
  printf ("Block=%dx%d Type=%s, ColorInterp=%s\n", nBlockXSize, nBlockYSize,
	  GDALGetDataTypeName (GDALGetRasterDataType
			       (GDALGetRasterBand (in_Dataset, 1))),
	  GDALGetColorInterpretationName (GDALGetRasterColorInterpretation
					  (GDALGetRasterBand
					   (in_Dataset, 1))));

  /* Loop though bands, wiping values with mask values of 0.. */
  xsize = GDALGetRasterXSize (in_Dataset);
  mask_scan_line = (char *) CPLMalloc (sizeof (char) * xsize);
  data_scan_line = (char *) CPLMalloc (sizeof (char) * xsize);
  for (bands = 1; bands <= GDALGetRasterCount (in_Dataset); bands++)
    {
      int x;
      GDALRasterBandH data_band, out_band;
      int y_index = 0;
      data_band = GDALGetRasterBand (in_Dataset, bands);
      out_band = GDALGetRasterBand (out_Dataset, bands);
      for (y_index = 0; y_index < GDALGetRasterYSize (in_Dataset); y_index++)
	{
	  /* Read data.. */
	  GDALRasterIO (data_band, GF_Read, 0, y_index, xsize, 1,
			data_scan_line, xsize, 1, GDT_Byte, 0, 0);

	  /* Read mask.. */
	  GDALRasterIO (mask_band, GF_Read, 0, y_index, xsize, 1,
			mask_scan_line, xsize, 1, GDT_Byte, 0, 0);
	  GDALSetRasterNoDataValue (out_band, 0.0);


	  for (x = 0; x < xsize; x++)
	    {
	      /* if mask is set to 0, then mask off... */
	      if (mask_scan_line[x] == 0)
		data_scan_line[x] = 0;
	      /* if mask is not zero, and data is zero, then unmask.. */
	      if (mask_scan_line[x] != 0 && data_scan_line[x] == 0)
		data_scan_line[x] = 1;
	    }

	  /* now write out band.. */
	  GDALRasterIO (out_band, GF_Write, 0, y_index, xsize, 1,
			data_scan_line, xsize, 1, GDT_Byte, 0, 0);
	}

    }


  GDALClose (out_Dataset);

}