3s技术及其应用进展章节测试课后答案2024春

第三章测试

1.The (   ) of a raster refers to the number of bits for storing cell values, a higher ( ) means that the cell can store a wider range of values.
A:Cell size   B:Cell depth C:Raster format D:Raster pixels
答案:B
2.The cell ( ) is the size of the area represented by a single cell.
A:depth B:values C:range D:size 3.Which procedure converts vector data to raster data? ( )
A:Rasterization B:Automatic Vectorization C:Interactive Tracing D:Digitization 4.The spatial data could come from ( )。
A:Paper maps B:GPS / Remote Sensing C:Digital data D:X-Y Coordinates 5.Which of the following events belong to the continuous view of spatial phenomena （ ）。
A:temperature B:elevation C:epicentres of earthquakes D:soil characteristics 6.Connectivity, adjacency, and containment are topologic relationships. （ ）
A:对 B:错 7.The three basic steps of vectorization include line thinning, line extraction, and topological reconstruction. （ ）
A:错 B:对 8.Topological relationships between spatial features allow GIS users to perform spatial data query. （ ）
A:错 B:对 9.Manual digitizing is similar to heads-up digitizing in the way the lines have to be traced by hand, but it works directly on the computer screen using the scanned raster image as background. （ ）
A:错 B:对 10.A wide variety of data used in geographic information systems(GIS) are encoded in vector format. They include digital elevation data, satellite images, digital orthophotos, scanned maps, and graphic files. （ ）
A:对 B:错