quizzes Flashcards
all sections
Is the following statement correct?
“In the prevoew dataframe you can choose whether the data is displayed as a map (geography) or as a table.”
TRUE
What are the main options in organizing and managing GIS data by using QGIS Browser (ArcCatalog)?
- Create, Copy, Delete data structures (geospatial data)
- Change, Define various properties of geospatial data
- Regard geodata in detail by using a zoom tool
- using Toolbox for administration and processing tasks
Where is the defined point zero of the Geographical Coordinate System?
The defined point zero is at the intersection of prime-meridian and equator.
Is the following statement correct?
“Latitudes are northern or southern distances of an earth-surface-point from the equator, given in angular dimensions.”
TRUE
Geographical coordinates consist of longitude and latitude.
Define the coordinates of Aachen.
50° 47’ N
6° 05’ E
Are the following statements correct?
“Map projections show a flat picture (2D) of the earth’s surface.”
“The choice of projection determinates extent and type of the distortion.
It also determines a map’s suitability for the intended purpose.”
“The projection creates a transformation from a spherical or an elipsoid surface to a plain level following mathematical rules.”
TRUE
TRUE
TRUE
Which Gauß-Krüger zone is valid for Aachen?
Germany Zone 2 / Second Zone
Explain how to avoid negative coordinates for places western of the millde meridian in the Gauß-Krüger principle?
by adding 500.000m distance to the right of the central meridian
(Easting)
Is the following statement correct?
“To see two or mora layers in the same location and time you have to adjust “Label”-settings of the layers.”
WRONG
The ATKIS(=?) is a procedure of the AdV(=?). What is their aim?
(L1-1)
Offering Information about:
- land cartography and
- topographic mapping.
NOT grid-data; NOT hydrographic mapping
(ATKIS = Official Topographical Cartographic Information System) (AdV = Arbeitsgemeinschaft der Vermessungsverwaltungen der Länder der Bundesrepublik Deutschland)
Which choices can not be changed in an attribute table? Which can?
(L1-2)
NOT: Geometry (shape), Object ID (FID)
can be changed in attribute table: Size (Area), Description (Name)
In which place of the displaying order is a new layer placed, when added?
(L1-3)
It is placed on top of the alredy existing layers.
Which functionalities provide geoinformation systems in relation to spatial data?
(L1-4)
- management and display
- analysis
- presentation
- registration
Which further Information contains every GIS-data besides the attribute-information (topic)?
(L1-5)
spatial information
It provides information about position and level of the geographic feature.
Which types of grid-data exist?
L1-6
- topographic maps
- digital elevation model
(NOT: hydraulic maps, ADV-model)
In GIS often vector data is used. Which vector data types exist?
(L1-7)
- point
- line
- polygon
Is the following statement correct?
“Shapefiles are saving formats for vector data. They consist of at least 2 files.”
(L1-9)
WRONG
Shapefiles consist of at least 3 (sometimes even up to 11) files.
Is the following statement correct?
“Vector-data files are labelled with “.vdf” “
(L1-10)
WRONG
What are the main options in organizing and managing GIS data by using the QGIS Browser?
(L2-2)
- Create, Copy, Delete data structures
- Change + Define properties of geospatial data
- Regard geodata in detail (zoom-tool)
- Tools for administration and processing tasks
Is the following statement correct?
“With the (QGIS-)Browser you can access any folder directly.”
(L2-3)
WRONG
Which are the data frames the QGIS Browser consists of?
L2-4
- Preview
- Content
- Description
(NOT: properties, editor, workspace)
Is the following statement correct?
“When creating new files in the Browser, the coordinate system can only be allocated in the Editor.”
(L2-6)
WRONG
Is the following statement correct?
“It is not possible to change the coordinate system of existing data in the Browser.”
(L2-7)
WRONG
Is the following statement correct?
“In the preview dataframe, you can choose whether the data is displayed as a map (geography) or as a table.”
(L2-8)
TRUE