Changeset 9058

Timestamp:

Sep 28, 2006, 5:31:33 PM (20 years ago)

Author:

Paul Price

Message:

Adding -norm option to do normalisation of a file.

Location:

trunk/ppImage/src

Files:

• ppImageArguments.c (modified) (1 diff)
• ppImageDetrendReadout.c (modified) (1 diff)

trunk/ppImage/src/ppImageArguments.c

@@ -69 +69 @@
     }
 
+    // Optional normalisation factor
+    if ((N = psArgumentGet(argc, argv, "-norm"))) {
+        psArgumentRemove(N, &argc, argv);
+        psMetadataAddStr(config->arguments, PS_LIST_TAIL, "NORMALISATION", PS_TYPE_F32,
+                         "Normalisation to apply", argv[N]);
+        psArgumentRemove(N, &argc, argv);
+    }
+
     if (argc != 2) usage ();
 

trunk/ppImage/src/ppImageDetrendReadout.c

@@ -57 +57 @@
     }
 
+    // Normalisation by a (known) constant
+    bool mdok;                          // Status of MD lookup
+    float norm = psMetadataLookupF32(&mdok, config->arguments, "NORMALISATION");
+    if (mdok && isfinite(norm)) {
+        psBinaryOp(input->image, input->image, "*", psScalarAlloc(norm, PS_TYPE_F32));
+    }
+
     psFree (detview);
     return true;