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changeset 1721:ea9505f4d1f5

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Revise miselect_resolution() to actually swap the open datasets
author bert <bert>
date Mon, 29 Mar 2004 22:06:53 +0000
parents d6d963b34c9b
children f512ca3023db
files libsrc2/volprops.c
diffstat 1 files changed, 25 insertions(+), 4 deletions(-) [+]
line wrap: on
line diff
--- a/libsrc2/volprops.c
+++ b/libsrc2/volprops.c
@@ -201,6 +201,7 @@
 miselect_resolution(mihandle_t volume, int depth)
 {
   hid_t grp_id;
+  char path[MI2_MAX_PATH];
   
   if ( volume->hdf_id < 0 || depth > MAX_RESOLUTION_GROUP || depth < 0) {
     return (MI_ERROR);
@@ -213,16 +214,36 @@
      Make sure the selected resolution does exist.
    */
   if (depth > volume->create_props->depth) {
-    printf(" THIS RESOLUTION DOES NOT EXIST!!! \n");
-    return (0);
+    return (MI_ERROR);
   }
-  else {
+  else if (depth != 0) {
     if (minc_update_thumbnail(volume, grp_id, 0, depth) < 0) {
       return (MI_ERROR);
     }
   }
 
- return (MI_NOERROR);
+  volume->selected_resolution = depth;
+
+  if (volume->image_id >= 0) {
+      H5Dclose(volume->image_id);
+  }
+  sprintf(path, "%d/image", depth);
+  volume->image_id = H5Dopen(grp_id, path);
+
+  if (volume->volume_class == MI_CLASS_REAL) {
+      if (volume->imax_id >= 0) {
+          H5Dclose(volume->imax_id);
+      }
+      sprintf(path, "%d/image-max", depth);
+      volume->imax_id = H5Dopen(grp_id, path);
+
+      if (volume->imin_id >= 0) {
+          H5Dclose(volume->imin_id);
+      }
+      sprintf(path, "%d/image-min", depth);
+      volume->imin_id = H5Dopen(grp_id, path);
+  }
+  return (MI_NOERROR);
 }
 
 /*! Compute all resolution