Changeset 30480

Timestamp:

Feb 3, 2011, 9:36:49 AM (15 years ago)

Author:

eugene

Message:

values like FWx, Mxx, measure.theta are now converted to/from internal formats with "To/From Short Pixels/Degrees" functions; update some usage info

Location:

branches/eam_branches/ipp-20101205/Ohana/src/libohana

Files:

• include/ohana.h (modified) (1 diff)
• src/time.c (modified) (1 diff)

branches/eam_branches/ipp-20101205/Ohana/src/libohana/include/ohana.h

@@ -286 +286 @@
 int     hstgsc_hms_to_deg      PROTO((double *h0, double *h1, double *d0, double *d1, char *string));
 
+short   ToShortPixels          PROTO((float pixels));
+short   ToShortDegrees         PROTO((float degrees));
+float   FromShortPixels        PROTO((short value));
+float   FromShortDegrees       PROTO((float value));
+
 /* IO Buffer functions */
 int     InitIOBuffer           PROTO((IOBuffer *buffer, int Nalloc));

branches/eam_branches/ipp-20101205/Ohana/src/libohana/src/time.c

@@ -468 +468 @@
     return (result);
 }
+
+short ToShortPixels (float pixels) {
+
+    short value;
+
+    value = 100*pixels;
+
+    return value;
+}
+
+short ToShortDegrees (float degrees) {
+
+    short value;
+
+    value = ((float)0xffff/360.0) * degrees;
+
+    return value;
+}
+
+float FromShortPixels (short value) {
+
+    float pixels;
+
+    pixels = value / 100.0;
+
+    return pixels;
+}
+
+float FromShortDegrees (float value) {
+
+    float degrees;
+
+    degrees = (360.0 / (float)0xffff) * value;
+
+    return degrees;
+}