Changeset 3835 for trunk/packages/vizservers

Timestamp:

Jul 24, 2013 2:00:22 PM (11 years ago)

Author:

ldelgass

Message:

Add preinterp command to polydata for controlling interpolation when using
colormapping.

Location:

trunk/packages/vizservers/vtkvis

Files:

• RendererCmd.cpp (modified) (2 diffs)
• protocol.txt (modified) (1 diff)

trunk/packages/vizservers/vtkvis/RendererCmd.cpp

@@ -8890 +8890 @@
 
 static int
+PolyDataPreInterpOp(ClientData clientData, Tcl_Interp *interp, int objc, 
+                    Tcl_Obj *const *objv)
+{
+    bool state;
+    if (GetBooleanFromObj(interp, objv[2], &state) != TCL_OK) {
+        return TCL_ERROR;
+    }
+    if (objc == 4) {
+        const char *name = Tcl_GetString(objv[3]);
+        g_renderer->setGraphicsObjectInterpolateBeforeMapping<PolyData>(name, state);
+    } else {
+        g_renderer->setGraphicsObjectInterpolateBeforeMapping<PolyData>("all", state);
+    }
+    return TCL_OK;
+}
+
+static int
 PolyDataScaleOp(ClientData clientData, Tcl_Interp *interp, int objc, 
                 Tcl_Obj *const *objv)
@@ -8984 +9001 @@
     {"origin",    4, PolyDataOriginOp, 5, 6, "x y z ?name?"},
     {"pos",       2, PolyDataPositionOp, 5, 6, "x y z ?dataSetName?"},
+    {"preinterp", 2, PolyDataPreInterpOp, 3, 4, "bool ?dataSetName?"},
     {"ptsize",    2, PolyDataPointSizeOp, 3, 4, "size ?dataSetName?"},
     {"scale",     2, PolyDataScaleOp, 5, 6, "sx sy sz ?dataSetName?"},

trunk/packages/vizservers/vtkvis/protocol.txt

@@ -708 +708 @@
 polydata origin <x> <y> <z> <?name?>
 polydata pos <x> <y> <z> <?dataSetName?>
+polydata preinterp <bool> <?dataSetName?>
+         Controls if VTK's InterpolateScalarsBeforeMapping option is set.
+         Setting this on will give more correct colors, as the interpolation
+         is done on texture coordinates that lookup into a 1D texture instead
+         of using color interpolation from triangle vertices.
 polydata ptsize <size> <?dataSetName?>
 polydata scale <sx> <sy> <sz> <?dataSetName?>