void VtkVisTabWidget::on_scaleZ_textChanged(const QString &text)
{
bool ok = true;
double scale = text.toDouble(&ok);
// If z scale becomes zero, the object becomes invisible
if (ok && scale != 0.0)
{
_item->setScale(1.0, 1.0, scale);
for (int i = 0; i < _item->childCount(); i++)
{
VtkVisPipelineItem* childItem = _item->child(i);
if (childItem)
{
VtkCompositeColorByHeightFilter* colorFilter =
dynamic_cast<VtkCompositeColorByHeightFilter*>
(childItem->compositeFilter());
if (colorFilter)
VtkColorByHeightFilter::SafeDownCast(
colorFilter->GetOutputAlgorithm())->
SetTableRangeScaling(scale);
}
}
emit requestViewUpdate();
}
}