Vertical photographs

• Analog and digital black-and-white and color photos on a scale of 1:2,500 to 1:10,000 from 1966 to 2023.
• Current digital color photos from March 28, April 5, and May 3, 2023.

Orthophotos

• Corrected, true-to-scale aerial photographs derived from vertical photographs.
• Digital color orthophotos of the flights on March 28, April 5, and May 3, 2023, with a ground resolution of approximately 8 cm.

Infrared aerial photographs

• Analog and digital vertical images with infrared channel.
• Analog images from 1977/78, 1984, 1987, and 1990 at a scale of 1:5,000.
• Digital aerial survey from July 2, 2006, with color infrared orthophotos and a resolution of approximately 20 cm.

Series of oblique images

• Systematically arranged color photos facing north from 1988 and 1995.
• Digital oblique photographs from March 28, April 5, and May 3, 2023, facing north, south, east, and west, with a resolution of approx. 17 cm.

Historical aerial photographs

• Black-and-white oblique photographs of selected objects in the urban area from 1926 to 1935.

These aerial photographs and orthophotos are used by municipal authorities, engineering firms, architects, and private individuals for various purposes.

The orthophotos from the flights on March 28, April 5, and May 3, 2023, are available online together with the city map on a scale of 1:10,000 and thematic maps.

Some of these images can also be viewed on the city's geoportal (opens in a new tab)geoportal (opens in a new tab).