arcgis final exam Questions and Answers, Score Atleast 75%

arcgis final exam Questions and Answers, Score Atleast 75% digitizing - data editing node - endpoint of a line/polygon vertices - start/stop point of a feature arcs - lines connecting vertices/nodes dangling node - part of a polygon that sticks out open polygon - snapping - ensures nodes of lines and polygon vertices match auto complete polygon - used to fix overlapping polygon map topology - features adjacent or connected to each other using a construct shapefile vs geodatabase feature class - 2Disclaimer: Original Content, No Copyright Infringement, All Rights Reserved © 2025 what is root mean square error 1. and what does it have to do with digitizing or scanning? - it measures accuracy of the transformation and is reported in map units of new coordinate system digitzing- image formats you can use - clip - truncate features of 1 file based on outline of another the (polygon) feature class providing the boundary erase - keeps features falling outside erase layer and eliminating those inside intersect - merges attributes but retains only areas in both layers and is done with points,lines,polygons union - combines 2 polygon layers keeping all areas and merging attributes for both layers buffer - a spatial query that delineates areas that fall within a certain distance of a set of features append - copies features from 1+ input data sets to a target data set that already exists merge - combines features of 2+ feature classes and puts them into a new feature class. 3Disclaimer: Original Content, No Copyright Infringement, All Rights Reserved © 2025 passive remote sensing data - reflection of sun energy by photos/satellite active remote sensing data - radar, lidar electromagnetic spectrum - All of the frequencies or wavelengths of electromagnetic radiation roygbiv electromagnetic spectrum and passive remote sensing data - satellites-they have bands with different sensitivities to light wavelengths color imagery- combo of rgb 1. How do we assign a coordinate system to an aerial photo? What is this process called? - world file - 6 line text file with parameters needed to georeference the raster 1. What are two remote sensing satellite systems?