Podcast Beta
Questions and Answers
The range of geometric distortions is from 0 to 100
False
Perspective of the sensor optics is one of the factors of geometric distortions
True
Geometric registration process involves identifying the image coordinates of unclear points
False
The true ground coordinates are typically measured from a satellite
Signup and view all the answers
Resampling is used to correct geometric distortions
Signup and view all the answers
Image-to-image registration is a type of geometric registration
Signup and view all the answers
A spatial entity can be subdivided into like units.
Signup and view all the answers
Each spatial entity has only one attribute that describes it.
Signup and view all the answers
A lake is an example of a spatial entity.
Signup and view all the answers
The type of analysis depends on the type of spatial operations.
Signup and view all the answers
Spatial data can be represented as a polygon.
Signup and view all the answers
A district-code is an example of a spatial data.
Signup and view all the answers
The physical model of a database deals with tables and data records.
Signup and view all the answers
The Hierarchical model is concerned with relations between data.
Signup and view all the answers
A data dictionary is a type of data model.
Signup and view all the answers
The Relational model is based on objects.
Signup and view all the answers
A data dictionary is an essential component of metadata information.
Signup and view all the answers
In a digital spatial census database, an EA entity can be linked to the entity crew leader area.
Signup and view all the answers
A point is represented by a single x-coordinate.
Signup and view all the answers
Additional measures may be included for some spatial features.
Signup and view all the answers
A multipoint refers to a single point.
Signup and view all the answers
A geometry collection is an object that includes only points.
Signup and view all the answers
The representation of spatial features on paper maps always depends on map scale.
Signup and view all the answers
The U.S. government mapping agency does not establish criteria for the representation of vector data.
Signup and view all the answers
A single line is used to represent streams more than 40 feet wide on 1:24,000 scale topographic maps.
Signup and view all the answers
Topology is the study of properties of geometric objects that remain invariant under transformations such as bending or stretching.
Signup and view all the answers
A subway map is an example of a topological map that depicts exact distances and directions.
Signup and view all the answers
In GIS, vector data can only be topological.
Signup and view all the answers
An edge or arc in GIS has a single point.
Signup and view all the answers
A face in GIS refers to a line bounded by arcs.
Signup and view all the answers
