void OkcViewDisplay::refreshBrush() {
OkcVisualMapResult* okvVMR = getOkcVisualMapResult();
Operator* brushQ = (Operator*)(okvVMR->getBrushOperator());
PipelineManager* pm = getPipelineManager();
Brush *brush = okvVMR->getBrush();
//If the maximum and minimum values for one dimension has the exact same value,
//they should be adjusted to a little different values,
//otherwise, some records having the same value as this max/min value
//cannot be highlighted.
int i;
for (i=0; i<brush->getDimSize(); i++) {
brush->max[i] += XMDV_DBL_EPSILON;
brush->min[i] -= XMDV_DBL_EPSILON;
}
OkcData* brushStorage = brush->toOkcDataStorage();
std::vector<double> buf;
brushStorage->getData(buf, 3);
int pID = getPipelineID();
// update the assistant input by the reverse pipeline
pm->updateAssisInput(pID, brushStorage, XmdvTool::ASSISDATA_BRUSH);
delete brushStorage;
pm->assemble(pID, brushQ);
getViewManager()->refreshDisplayByPID(pID);
}
