Metria Historical Orthophotos
Historical orthophotos 1955-1970 and 1970-1985 contain scale aerial photographs and orthophotos in black and white with a resolution of 0.5 m and 1 m.
Product description
Historical orthophotos 1955 -1970
Historical orthophotos 1955-1970 contain true-to-scale aerial photographs and orthophotos in black and white (b/w) with a resolution of 0.5 m and 1 m.However, local deviations may occur depending on flight altitude. As aerial photographs are not available for the whole of Sweden from the same year, the term reference year is used. Reference year 1960 contains a layer of orthophotos from years as close to 1960 as possible to get national coverage, which means that it is made up of orthophotos from 1955 to 1970.
Historical Orthophotos 1970-1985
Historical orthophotos are produced from older scanned aerial images and provide a unique reflection and time document of Sweden during the period 1970-1985. This provides a good tool for monitoring changes in, for example, infrastructure, environment and forest in relation to today.
In order to achieve coverage of the whole of Sweden, aerial photographs from the period 1970 - 1985 have been used in the production.
Historical orthophotos 1970-1985 are available according to the extent in the map, more areas are added and delivered seamlessly based on the area marked in the map in the desired format.
Product facts
Timeliness: 1955 - 1970 and 1970 - 1985
Delivery format: JPEG, TIFF
Resolution: 0.5 and 1 m, deviations may occur
Product description
Historical orthophotos 1955-1970 contains orthophotos (scale aerial photographs) in black and white (b/w) with a resolution of 0.5 m and 1 m.However, local deviations may occur depending on flight altitude. As aerial photographs are not available for the whole of Sweden from the same year, the term reference year is used. Reference year 1960 contains a layer of orthophotos from years as close to 1960 as possible to get national coverage, which means that it is made up of orthophotos from 1955 to 1970.
Historical orthophotos 1970-1985 contain black-and-white (b/w) orthophotos (scale aerial photographs) with a resolution of 0.5 m and 1 m.However, local deviations may occur depending on flight altitude. As aerial photographs are not available for the whole of Sweden from the same year, the term reference year is used. Reference year 1975 contains a layer of orthophotos from years as close to 1975 as possible to get national coverage, which means that it is made up of orthophotos from 1970 to 1985.
How are historical orthophotos created?
Historical orthophotos are produced from older scanned aerial imagery, which is geometrically projected onto an orthogonal map projection using a height model. In order to obtain a nationwide layer, aerial photographs from the period 1955-1970 have been used in the production.
Historical orthophotos are produced from older scanned aerial photographs, which are geometrically projected to an orthogonal map projection with the support of a height model. In order to obtain a nationwide layer, aerial photographs from the period 1970-1985 have been used in the production.
What benefits can historical orthophotos provide?
Today, historical orthophotos are a unique document of what Sweden looked like at that time and are an important source of knowledge for nature and cultural heritage conservation, community planning and the agriculture and forestry industries.
Historical orthophotos can be used, for example, to monitor changes in vegetation and buildings, identify old clearings that were previously cut, recreate wetlands, locate old landfills of environmentally hazardous goods around industries, and other potential and now invisible environmental problems.
Together with, for example, the Economic Map, a daily updated orthophoto and other map products in our e-commerce, it is a gold mine for those who are interested in a given area in Sweden to compare from a historical perspective.
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How to shop in our e-commerce
To shop in our e-commerce, you can choose between;
- payby card with access to raster products and reports and pay per purchase by credit card. You create an account directly in the service and you are quickly up and running.
- If yousign a contract, you also get access to vector products and the option to choose more formats. You pay by invoice or card. A basic contract costs SEK 1,500 per year and a start-up fee of SEK 500.
If you have any questions or would like to sign a contract, please contact kundservice@metria.se or one of our sales representatives.
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