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单选题 Which of the following can be used to extract data from an existing raster in ArcGIS
学科：地理信息系统
时间：2025-10-25 10:53:20
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题目1单选题
Which of the following mathematical functions can be used for local operationsA. arithmeticB. logarithmicC. trigonometricD. all of these are correctE. both arithmetic and logarithmic
题目2单选题
Which of the following can be used to specify the area extent for analysisA. a specified rasterB. an area defined by its minimum and maximum values in x- and y-coordinatesC. an analysis maskD. all of these are correctE. both a specified raster and an analysis mask
题目3单选题
Which local operation can assign a unique output value to each unique combination of cell values from multiple rastersA. AddB. MergeC. CombineD. Reclassify
题目4单选题
Which of the following can be used as a neighborhood in raster data operationA. A 3x3 rectangleB. A 5x5 rectangleC. A circleD. All of these are correctE. Both a 3x3 rectangle and a 5x5 rectangle
题目5单选题
Which of the following statistics is appropriate for use with categorical dataA. MeanB. MedianC. MajorityD. Sum
题目6单选题
Which of the following statistics cannot be used in a neighborhood operationA. maximumB. meanC. majorityD. minorityE. none of these are correct
题目7单选题
Which of the following statements is not true about a block operationA. A block operation is similar to a neighborhood operationB. A block operation assigns the calculated value to all cells in a blockC. A block operation does not move from cell to cell, but from block to blockD. None of these are correct
题目8单选题
The output from a 5x5 neighborhood operation will be ________ the output from a 3x3 neighborhood operationA. the same asB. more generalized thanC. less generalized than
题目9单选题
Which of the following can be used to extract data from an existing raster in ArcGISA. a polygon shapefileB. a circleC. a query expressionD. all of these are correctE. both a circle and a query expression
题目10判断题
A local operation is limited to only two input rastersA. 正确B. 错误
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