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version 1.28, 2014/03/13 18:40:43
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version 1.29, 2014/05/16 21:55:54
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| MEANPOT Mean photospheric excess magnetic energy density in ergs per cubic centimeter | MEANPOT Mean photospheric excess magnetic energy density in ergs per cubic centimeter |
| TOTPOT Total photospheric magnetic energy density in ergs per cubic centimeter | TOTPOT Total photospheric magnetic energy density in ergs per cubic centimeter |
| MEANSHR Mean shear angle (measured using Btotal) in degrees | MEANSHR Mean shear angle (measured using Btotal) in degrees |
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R_VALUE Karel Schrijver's R parameter |
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| The indices are calculated on the pixels in which the conf_disambig segment is greater than 70 and | The indices are calculated on the pixels in which the conf_disambig segment is greater than 70 and |
| pixels in which the bitmap segment is greater than 30. These ranges are selected because the CCD | pixels in which the bitmap segment is greater than 30. These ranges are selected because the CCD |
| Line 1035 int computeShearAngle(float *bx_err, flo |
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| Line 1036 int computeShearAngle(float *bx_err, flo |
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| } | } |
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| /*===========================================*/ | /*===========================================*/ |
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/* Example function 15: R parameter as defined in Schrijver, 2007 */ |
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// |
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// Note that there is a restriction on the function fsample() |
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// If the following occurs: |
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// nx_out > floor((ny_in-1)/scale + 1) |
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// ny_out > floor((ny_in-1)/scale + 1), |
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// where n*_out are the dimensions of the output array and n*_in |
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// are the dimensions of the input array, fsample() will usually result |
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// in a segfault (though not always, depending on how the segfault was accessed.) |
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| int computeR(float *bz_err, float *los, int *dims, float *Rparam, float cdelt1, | int computeR(float *bz_err, float *los, int *dims, float *Rparam, float cdelt1, |
| float *rim, float *p1p0, float *p1n0, float *p1p, float *p1n, float *p1, | float *rim, float *p1p0, float *p1n0, float *p1p, float *p1n, float *p1, |
| float *pmap, int nx1, int ny1) | float *pmap, int nx1, int ny1) |
| { | { |
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| int nx = dims[0]; | int nx = dims[0]; |
| int ny = dims[1]; | int ny = dims[1]; |
| int i = 0; | int i = 0; |
| Line 1058 int computeR(float *bz_err, float *los, |
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| Line 1068 int computeR(float *bz_err, float *los, |
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| init_fresize_gaussian(&fresgauss,sigma,20,1); | init_fresize_gaussian(&fresgauss,sigma,20,1); |
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| fsample(los, rim, nx, ny, nx, nx1, ny1, nx1, scale, 0, 0, 0.0); | fsample(los, rim, nx, ny, nx, nx1, ny1, nx1, scale, 0, 0, 0.0); |
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| for (i = 0; i < nx1; i++) | for (i = 0; i < nx1; i++) |
| { | { |
| for (j = 0; j < ny1; j++) | for (j = 0; j < ny1; j++) |
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