1 files changed, 37 insertions, 0 deletions
diff --git a/fitsy/hpx.h b/fitsy/hpx.h
new file mode 100644
index 0000000..bb446b7
--- /dev/null
+++ b/fitsy/hpx.h
@@ -0,0 +1,37 @@
+// Copyright (C) 1999-2018
+// Smithsonian Astrophysical Observatory, Cambridge, MA, USA
+// For conditions of distribution and use, see copyright notice in "copyright"
+
+#ifndef __fitshpx_h__
+#define __fitshpx_h__
+
+#include "vector.h"
+#include "file.h"
+
+class FitsHPX : public FitsFile {
+ public:
+  enum Order {RING, NESTED};
+  enum CoordSys {UNKNOWN, EQU, GAL, ECL};
+  enum Layout {EQUATOR=0, NORTH=1, SOUTH=2};
+
+ private:
+  Order order_;
+  CoordSys coord_;
+  Layout layout_;
+  int quad_;
+  long nside_;
+
+  FitsBinColumn* col_;
+
+  void build(FitsFile*);
+  void initHeader(FitsFile*);
+  void swap();
+  void NESTidx(int nside, int facet, int rotn, int jmap, long *healidx);
+  void RINGidx(int nside, int facet, int rotn, int jmap, long *healidx);
+
+ public:
+  FitsHPX(FitsFile*, Order, CoordSys, Layout, int, int);
+  ~FitsHPX();
+};
+
+#endif