From c4f4ab752da20d5144273a201a382bf37e515e17 Mon Sep 17 00:00:00 2001
From: William Joye <wjoye@cfa.harvard.edu>
Date: Tue, 17 Jul 2018 11:40:09 -0400
Subject: clean up code

---
 tksao/frame/fitsimage.C | 36 +++++++-----------------------------
 tksao/frame/fitsimage.h |  2 +-
 2 files changed, 8 insertions(+), 30 deletions(-)

diff --git a/tksao/frame/fitsimage.C b/tksao/frame/fitsimage.C
index 2db98ad..cf02ea2 100644
--- a/tksao/frame/fitsimage.C
+++ b/tksao/frame/fitsimage.C
@@ -932,7 +932,7 @@ void FitsImage::altWCS(istream& str)
     delete altHeader_;
 
   altHeader_ = hh;
-  initWCS();
+  initWCS(altHeader_, NULL);
 }
 
 void FitsImage::appendWCS(istream& str)
@@ -972,7 +972,7 @@ void FitsImage::appendWCS(istream& str)
     delete wcsHeader_;
 
   wcsHeader_ = new FitsHead(cards,ll,FitsHead::ALLOC);
-  initWCS();
+  initWCS(wcsHeader_, NULL);
 }
 
 char* FitsImage::display(FitsHead* hd)
@@ -1071,7 +1071,7 @@ void FitsImage::iisSetFileName(const char* fn)
 }
 
 #ifndef NEWWCS
-void FitsImage::initWCS()
+void FitsImage::initWCS(FitsHead* hd, FitsHead* prim)
 {
   if (wcs_) {
     for (int ii=0; ii<MULTWCSA; ii++)
@@ -1131,18 +1131,6 @@ void FitsImage::initWCS()
     }
   }
 
-  // WCSx
-  FitsHead* hd =NULL;
-  FitsHead* prim =NULL;
-  if (wcsHeader_)
-    hd = wcsHeader_;
-  else if (altHeader_)
-    hd = altHeader_;
-  else {
-    hd = image_->head();
-    prim = image_->primary() && image_->inherit() ? image_->primary() : NULL;
-  }
-
   // wcsinit is sloooowwww! so try to figure it out first
   // look first for default WCS. Let wcsinit figure it out since there can
   // be many different non-standard wcs's present
@@ -1275,7 +1263,7 @@ void FitsImage::initWCS()
 
 #else
 
-void FitsImage::initWCS()
+void FitsImage::initWCS(FitsHead* hd, FitsHead* prim)
 {
   if (manageWCS_) {
     if (ast_)
@@ -1327,17 +1315,6 @@ void FitsImage::initWCS()
     }
   }
 
-  FitsHead* hd =NULL;
-  FitsHead* prim =NULL;
-  if (wcsHeader_)
-    hd = wcsHeader_;
-  else if (altHeader_)
-    hd = altHeader_;
-  else {
-    hd = image_->head();
-    prim = image_->primary() && image_->inherit() ? image_->primary() : NULL;
-  }
-
   astInit(hd, prim);
   wcsInit();
   wcsEquInit();
@@ -2322,7 +2299,7 @@ void FitsImage::replaceWCS(istream& str)
     delete wcsHeader_;
 
   wcsHeader_ = hh;
-  initWCS();
+  initWCS(wcsHeader_, NULL);
 }
 
 void FitsImage::reset()
@@ -2382,7 +2359,8 @@ void FitsImage::resetWCS()
     delete wcsHeader_;
 
   wcsHeader_ = NULL;
-  initWCS();
+  initWCS(image_->head(),
+	  image_->primary() && image_->inherit() ? image_->primary() : NULL);
 }
 
 #ifndef NEWWCS
diff --git a/tksao/frame/fitsimage.h b/tksao/frame/fitsimage.h
index 9451e81..ab63aa3 100644
--- a/tksao/frame/fitsimage.h
+++ b/tksao/frame/fitsimage.h
@@ -150,7 +150,7 @@ class FitsImage {
   void initBin();
   void initHPX();
 
-  void initWCS();
+  void initWCS(FitsHead*, FitsHead*);
 #ifndef NEWWCS
   void initWCSPhysical();
   void wcsShow(WorldCoor*);
-- 
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