Takes a set of shapelet decompositions for biased galaxies, and a set of decompositions for unbiased galaxies, and calculates the average shear of the biased set using the unbiased set as a model. This follows the procedure given in Refregier's Shapelets II.
Parameters
| Name | Type | Description |
|---|---|---|
| MaxBiased | int | Maximum number of biased galaxies to use in measurement. |
| MaxUnbiased | int | Maximum number of unbiased galaxies to use in measurement. |
Inputs
| Name | Type | Description |
|---|---|---|
| GalSet/BiasedCount | int | Number of biased images in galaxy set. |
| GalSet/UnbiasedCount | int | Number of unbiased images in galaxy set. |
| GalSet/ShapeletNumCoef | int | Number of coefficients used in each of n1, n2 directions of shapelet spectrum. |
| GalSet/BiasedShapes | double* | Three-dimensional array of n*n shapelet decompositions for each biased galaxy. |
| GalSet/UnbiasedShapes | double* | Three-dimensional array of n*n shapelet decompositions for each unbiased galaxy. |
Outputs
| Name | Type | Description |
|---|---|---|
| GalSet/MeasuredBiasedCount | int | Number of biased galaxies used in measurement. |
| GalSet/MeasuredUnbiasedCount | int | Number of unbiased galaxies used in measurement. |
| GalSet/MeasuredGamma1 | double | The average shear bias along x-y for the entire biased galaxy set. |
| GalSet/MeasuredGamma2 | double | The average shear bias 45 degrees to x-y for the entire biased galaxy set. |
| GalSet/ShapeletMean | double* | Average shapelet spectrum for unbiased galaxies (that is, the galaxy model that the biased galaxies were compared to). |