Solar panel layout on roofs. Roof surface from floor-plan lines (per-edge pitch, eave, gable, wall abutment, courtyard, tower) or from freehand roof planes (any hand-drawn face, flat roofs too); module and inverter catalogue with manufacturer data, custom modules and inverters; panels flush on pitched roofs in portrait, landscape or automatic orientation, tilted rows or east–west pairs on flat roofs; rule sets (Germany MBO, Austria OIB, USA IRC/IFC, general practice): per-edge setbacks (eave, ridge, rake, hip/valley), per-obstacle setbacks (chimney, roof window, vent, smoke vent, fire wall), field size and pathways; obstacles by clicking or from the selected object; 3D rail and roof-hook layout (clamping zone, hooks aligned to rafters, rail lengths and splices), tilted racks; string design with temperature-based voltage limits, automatic string and MPPT assignment, current and DC/AC checks; annual shading analysis with the model geometry and a snapshot at the SketchUp sun position, switching off shaded panels; panel colouring by string or shading; overview with yield estimate, printable A4 report (PDF), CSV export; quote from the design (price list, automatic quantities, custom items, discount, VAT, payback) saved directly as PDF. Interface in 10 languages: English, Hungarian, German, French, Italian, Spanish, Japanese, Russian, Polish and Swedish.
