Property search Sistrans
Sun position computed for today at the map centre.
Tap a spot: shadows from nearby buildings at the chosen time + sun hours per floor.
| Direct sun | Summer | Winter |
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Where trees or woody vegetation grow, from satellite imagery (Copernicus, 5 m, 2021 data). Covers all of Austria, including areas without a tree register. Shrubs, orchards and vineyards count as well.
Proximity to rivers, ponds and canals (OSM), weighted by size. Dark = lots of cooling water nearby. Water tempers the heat like trees. Empty areas: no water nearby.
From the density of shops, food & drink and services, pedestrian zones and transit frequency per 250 m cell. No portal shows this.
Official urban climate analysis by the City of Vienna (MA 18). Areas: red/orange = strongly heated, blue/green = where cool fresh air forms. Arrows and lines show where that cold air flows (air corridors): they cool the city at night. More in the method.
- heat island, Gründerzeit
- industry, strongly heated
- perimeter blocks, moderately overheated
- garden city
- urban fringe, slightly overheated
- slopes, parks (cool)
- cold side valleys
Official climatope map of the City of Graz (urban climate analysis): every area carries its climatope class, from the urban heat island (dark red) through perimeter blocks and garden city (orange, yellow) to slopes and parks (green) and cold side valleys (blue). Tap a spot to see its official class. Data source: City of Graz – data.graz.gv.at (CC BY 4.0).
Strategic noise map: road, motorway, rail, air and industry (Lden by day, Lnight at night). Purple/red = loud (over 70 dB), green = quiet. All of Vienna and surroundings. Source: laerminfo.at (CC BY).
Planned, partly from ~2030 (tram 18 already 2026).
Planned transit expansion by the City of Vienna (metro U2xU5 and tram line 18) plus major urban development areas. Zoom in to see station names. Tap a station or area for details. Source: City of Vienna / Wiener Linien.
Zoom in to reveal the amenities.
Schools, kindergartens, doctors, pharmacies, supermarkets, food & drink and leisure from OpenStreetMap. Toggle each category with the dots.
Lines + stops. Tap a stop for its frequency by time of day.
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