Changeset 37908

Timestamp:

Feb 14, 2015, 7:58:58 AM (11 years ago)

Author:

eugene

Message:

adding camera static correction

Location:

branches/eam_branches/ipp-20150112/Ohana/src/uniphot

Files:

• include/setastrom.h (modified) (1 diff)
• src/cam_correction.c (added)
• src/update_catalog_setastrom.c (modified) (1 diff)

branches/eam_branches/ipp-20150112/Ohana/src/uniphot/include/setastrom.h

@@ -10 +10 @@
   double *y2;
 } Spline;
+
+// we have one correction (an image) for each filter and chip
+typedef struct {
+  int Nvalues;
+  int Nfilters; // number of filters
+  int Nx; // number of chips in x
+  int Ny; // number of chips in y
+  Matrix **matrix; // allocate an array of pointers
+  // index = ix + iy*Nx + filter*Nx*Ny + dir*Nx*Ny*Nfilter
+} CamCorrection;
 
 /* global variables set in parameter file */

branches/eam_branches/ipp-20150112/Ohana/src/uniphot/src/update_catalog_setastrom.c

@@ -117 +117 @@
     }
 
+    /**** CAM section ****/
+
+    double dX_CAM = 0.0;
+    double dY_CAM = 0.0;
+    if (CAM_FILE && doCAM) {
+
+      // camera systematic correction ("astroflat") depends on only the X,Y coordinate,
+      // the filter, and the chip
+      
+      int filtCode = (int)(measure->photcode / 100); // eg, 101 = r
+
+      // correction is in arcseconds
+      get_cam_correction (0, chipID, filtCode, measure->Xccd, measure->Yccd, &dX_CAM, &dY_CAM);
+    }
+
     /**** DCR section ****/