KPG View is part of the Korea Power Grid (KPG) Platform. In a typical workflow, (1) load a synthetic grid model, (2) run an optimization in KPG Run, and (3) explore/compare the outputs in KPG View.
Download the latest release from website and install the app (e.g., .dmg on macOS).
Launch KPG View.
Click Open (top-left) and select a result file (e.g., *.geojson).
Use the left Layers panel to turn on/off Bus/Generator/Branch/HVDC/FACTS.
Use the right Details/Selection panel to switch Pflow/Qflow, enable labels, and export selected components.