karttamateriaali
Karttamateriaali refers to the raw data and processed information used to create maps. This can encompass a wide range of sources, including aerial photographs, satellite imagery, existing map sheets, survey data, and geographic databases. The type of karttamateriaali employed depends on the purpose and scale of the map being produced. For instance, detailed topographic maps may rely on precise ground surveys and high-resolution aerial photography, while thematic maps illustrating population density might utilize statistical data and less geographically specific imagery.
The processing of karttamateriaali is a crucial step in map creation. This often involves digitizing analog