[GRASS-SVN] r70886 - grass/trunk/imagery/i.ortho.photo/lib

[svn_grass at osgeo.org]

Author: ychemin
Date: 2017-04-16 12:49:58 -0700 (Sun, 16 Apr 2017)
New Revision: 70886

Modified:
   grass/trunk/imagery/i.ortho.photo/lib/orthophoto.h
Log:
Added more meaningful comments

Modified: grass/trunk/imagery/i.ortho.photo/lib/orthophoto.h
===================================================================
--- grass/trunk/imagery/i.ortho.photo/lib/orthophoto.h	2017-04-16 19:21:22 UTC (rev 70885)
+++ grass/trunk/imagery/i.ortho.photo/lib/orthophoto.h	2017-04-16 19:49:58 UTC (rev 70886)
@@ -11,6 +11,7 @@
 #define INITIAL_PHI_VAR     0.01
 #define INITIAL_KAPPA_VAR   0.1
 
+/* REF file in a group doing orthophoto */
 struct Ortho_Image_Group_Ref
 {
     int nfiles;
@@ -30,6 +31,9 @@
     } red, grn, blu;
 };
 
+/* camera file inside $MAPSET/CAMERA folder */
+/* has a filename = camera name stored in 
+ * $MAPSET/$GROUP/$GROUPNAME/CAMERA */
 struct Ortho_Camera_File_Ref
 {
     char cam_name[30];
@@ -46,20 +50,22 @@
     } fiducials[20];
 };
 
+/* Standard X,Y,Z,E,N,H structure */
 struct Ortho_Photo_Points
 {
     int count;
     double *e1;
     double *n1;
+    double *z1;
     double *e2;
     double *n2;
-    double *z1;
     double *z2;
     int *status;
 };
 
 /* Ortho_Control_Points is identical to Ortho_Photo_Points
  * Why ? */
+/* Standard X,Y,Z,E,N,H structure */
 struct Ortho_Control_Points
 {
     int count;
@@ -72,6 +78,9 @@
     int *status;
 };
 
+/* Contents of $MAPSET/$GROUP/$GROUPNAME/INIT_EXP
+ * a result of running lib/orthoref.c:
+ * I_compute_ortho_equations()*/
 struct Ortho_Camera_Exp_Init
 {
     double XC_init;