Changeset 15335 for trunk/psLib/src/fits/psFits.c

Timestamp:

Oct 19, 2007, 1:52:39 PM (19 years ago)

Author:

Paul Price

Message:

Adding psFitsFloat.[ch] for quantising (and unquantising) floating-point images and setting BSCALE and BZERO. It isn't in a usable state yet, but checking in to the tree for safety. It's not activate in the build.

File:

• trunk/psLib/src/fits/psFits.c (modified) (6 diffs)

trunk/psLib/src/fits/psFits.c

@@ -7 +7 @@
  *  @author Robert DeSonia, MHPCC
  *
- *  @version $Revision: 1.72 $ $Name: not supported by cvs2svn $
- *  @date $Date: 2007-10-03 21:27:21 $
+ *  @version $Revision: 1.73 $ $Name: not supported by cvs2svn $
+ *  @date $Date: 2007-10-19 23:52:39 $
  *
  *  Copyright 2004-2005 Maui High Performance Computing Center, University of Hawaii
@@ -163 +163 @@
     fits->extword = NULL;
     fits->conventions.compression = true;
+    fits->conventions.psBitpix = true;
+    fits->bscale = 0.0;
+    fits->bzero = 0.0;
     psMemSetDeallocator(fits,(psFreeFunc)fitsFree);
 
@@ -397 +400 @@
 {
     PS_ASSERT_FITS_NON_NULL(fits, false);
-
-    if (! fits->writable) {
-        psError(PS_ERR_IO, true,
-                _("The psFits object is not writable."));
-        return false;
-    }
+    PS_ASSERT_FITS_WRITABLE(fits, false);
 
     // move to the specified HDU
@@ -431 +429 @@
 {
     PS_ASSERT_FITS_NON_NULL(fits, false);
+    PS_ASSERT_FITS_WRITABLE(fits, false);
     PS_ASSERT_STRING_NON_EMPTY(extname, false);
-
-    if (! fits->writable) {
-        psError(PS_ERR_IO, true,
-                _("The psFits object is not writable."));
-        return false;
-    }
 
     // move to the specified HDU
@@ -509 +502 @@
 bool psFitsTruncate(psFits* fits)
 {
-    PS_ASSERT_FITS_NON_NULL(fits, NULL);
-
-    if (! fits->writable) {
-        psError(PS_ERR_IO, true,
-                _("The psFits object is not writable."));
-        return PS_FITS_TYPE_NONE;
-    }
+    PS_ASSERT_FITS_NON_NULL(fits, false);
+    PS_ASSERT_FITS_WRITABLE(fits, false);
 
     int newEnd = psFitsGetExtNum(fits);
@@ -547 +535 @@
 {
     PS_ASSERT_FITS_NON_NULL(fits, false);
+    PS_ASSERT_FITS_WRITABLE(fits, false);
 
     // convert psFitsCompressionType to cfitsio compression types