void TNMParallelCoordinates::process() {
// Activate the user-outport as the rendering target
_outport.activateTarget();
// Clear the buffer
_outport.clearTarget();
// Render the handles
renderHandles();
// Render the parallel coordinates lines
renderLines();
// We are done with the visual part
_outport.deactivateTarget();
// Activate the internal port used for picking
_privatePort.activateTarget();
// Clear that buffer as well
_privatePort.clearTarget();
// Render the handles with the picking information encoded in the red channel
renderHandlesPicking();
// Render the lines with the picking information encoded in the green/blue/alpha channel
renderLinesPicking();
// We are done with the private render target
_privatePort.deactivateTarget();
}
void TNMParallelCoordinates::process() {
if (!_inport.hasData())
return;
// If the underlying data has changed, we need to extract the names of the data values
// and make them available in the combobox for the coloring options
if (_inport.hasChanged()) {
_colorMethod.setOptions(std::vector<Option<int> >());
for (size_t i = 0; i < _inport.getData()->valueNames.size(); ++i) {
std::stringstream s;
s << i;
_colorMethod.addOption(s.str(), _inport.getData()->valueNames[i], i);
s.str("");
}
_colorMethod.updateWidgets();
}
// Activate the user-outport as the rendering target
_outport.activateTarget();
// Clear the buffer
_outport.clearTarget();
// Render the handles
renderHandles();
// Render the parallel coordinates lines
renderLines();
// Render text
renderText();
// We are done with the visual part
_outport.deactivateTarget();
// Activate the internal port used for picking
_privatePort.activateTarget();
// Clear that buffer as well
_privatePort.clearTarget();
// Render the handles with the picking information encoded in the red channel
renderHandlesPicking();
// Render the lines with the picking information encoded in the green/blue/alpha channel
renderLinesPicking();
// We are done with the private render target
_privatePort.deactivateTarget();
}
