Changeset 871 for trunk

Timestamp:

Feb 8, 2008, 10:04:12 AM (17 years ago)

Author:

vrinside

Message:

made volume renderer generate more slices for iso-surface rendering and finish the command callback function for it.

Location:

trunk/vizservers/nanovis

Files:

• Command.cpp (modified) (1 diff)
• VolumeRenderer.cpp (modified) (1 diff)

trunk/vizservers/nanovis/Command.cpp

@@ -1069 +1069 @@
             }
         } else if ((c == 'i') && (strcmp(argv[2], "isosurface") == 0)) {
-            //vector<unsigned int> ivol;
-            //if (GetVolumeIndices(interp, argc-3, argv+3, &ivol) != TCL_OK) 
-            //{
-            //                  return TCL_ERROR;
-            //  }
+
+            if (argc < 4) {
+                Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
+                    argv[1], " isosurface value ?volume ...?\"", (char*)NULL);
+                return TCL_ERROR;
+            }
+                        int iso_surface = 0;
+
+                        if ((strcmp(argv[3], "true") == 0))
+                        {
+                                iso_surface = 1;
+                        }
+
+            vector<unsigned int> ivol;
+            if (GetVolumeIndices(interp, argc-4, argv+4, &ivol) != TCL_OK) {
+                return TCL_ERROR;
+            }
+            vector<unsigned int>::iterator iter;
+            for (iter = ivol.begin(); iter != ivol.end(); iter++) {
+                NanoVis::volume[*iter]->set_isosurface(iso_surface);
+            }
         }
         else {

trunk/vizservers/nanovis/VolumeRenderer.cpp

@@ -159 +159 @@
     int volume_index = i;
     int n_slices = volume[volume_index]->get_n_slice();
+    if (volume[volume_index]->get_isosurface())
+    {
+                // double the number of slices
+        n_slices <<= 1;
+        }
 
     //volume start location