IV. Do you agree or disagree with the following statements. Explain why.
Modern GIS technologies use digital information, for which various digitized data creation methods are used.
GIS includes only map data.
Computer databases that can be directly entered into a GIS are being produced by government agencies and non-government organizations.
GIS data represents only discrete objects with digital data.
5. There are two broad methods used to store data in a GIS: Raster and Vector.
There is no difference between raster and vector data.
Raster data is stored in various formats; from a standard file-based structure of TIF, JPEG, etc. to binary systems.
Points, lines and polygons are the main marks to show different geographical features on the map.
Polygon features can measure distance.
Line features can measure perimeter and area.
V. Explain the following terms in English:
Digital information, data creation, hard copy map, survey plan, heads-up digitizing, geocode system, discrete objects, continuous fields, raster, vector, binary large object, remote sensing.
VI. What new information have you learned from this article? Have you got anything to add? Discuss it into groups.
The technology of the cartography
I. Learn active vocabulary:
data capture – сбор данных
to consume – поглощать, занимать
Дата добавления: 2015-12-21; просмотров: 21; Мы поможем в написании вашей работы! |
Мы поможем в написании ваших работ!