Changeset 2303 in Sophya for trunk/SophyaLib/SkyMap/spherethetaphi.cc
- Timestamp:
- Jan 2, 2003, 7:16:52 PM (23 years ago)
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- 1 edited
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trunk/SophyaLib/SkyMap/spherethetaphi.cc
r2082 r2303 7 7 8 8 9 /*! 10 \class SOPHYA::SphereThetaPhi 11 \ingroup SkyMap 12 Class implementing spherical maps, with equal latitude (iso-theta) rings 13 pixelisation scheme - with template data types (double, float, complex, ...) 14 15 sphere splitted with respect to theta, phi : each hemisphere is 16 splitted into (m-1) parallels (equator does not enter into account). 17 This operation defines m slices, each of which is splitted into 18 equidistant meridians. This splitting is realized in such a way that 19 all pixels have the same area and are as square as possible. 20 21 One begins with the hemisphere with positive z, starting from the pole 22 toward the equator. The first pixel is the polar cap ; it is circular 23 and centered on theta=0. 24 */ 25 9 26 //*************************************************************** 10 27 //++ … … 13 30 // 14 31 // include spherethetaphi.h 15 //16 // sphere splitted with respect to theta, phi : each hemisphere is17 // splitted into (m-1) parallels (equator does not enter into account).18 // This operation defines m slices, each of which is splitted into19 // equidistant meridians. This splitting is realized in such a way that20 // all pixels have the same area and are as square as possible.21 22 // One begins with the hemisphere with positive z, starting from the pole23 // toward the equator. The first pixel is the polar cap ; it is circular24 // and centered on theta=0.25 32 //-- 26 33 //++
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