Reduce SRTM3 data point density
2016-08-23
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Downloaded from the website SRTM3 data point density is too large and bring inconvenience to use and program objective is reduced density, reduces the resolution. By removing the points adjacent to, its resolution decreased, but still maintained the format of the original dot matrix, for example, the original is the n * n, the n rows and n columns, reducing the density as half of the original. N/2*n/2, that is, n/2 line, n/2 column. If n is an even number, then n/2=int (n/2) +1Key Technology
Program is divided into two separate_jshu.f and separate_oushu.f. The input file was input Input_jshu.dat and Input.dat. that when the original file n * n n is odd, using a program, generate a new file jishu.dat. new generation ranks to n/2=int (n / 2) + 1. When the original n x n n is even, the use of a file, the new generation file for the new generation of n/2. oushu.datfortran
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