Raster data Samenvattingen, Aantekeningen en Examens

This document is a summary of Geography: Mapwork and GIS. This document can be used in all grades. This document includes: - Cover Page - Direction - Map code - Bearing - Magnetic Bearing - Distance - Gradient - Regular and Irregular Area - Co-ordinates - Cross Section and Vertical Exaggeration - Intervisibility - Scale - Speed, distance, time - Street patterns - Contours and landforms GIS - Vertical and Oblique Aerial Photographs - GIS - Remote sensing - GPS - Geographicall...

Why can getting points from a GPS into ArcGIS be problematic? - correct answer Poor connection - hardware and software issues; different companies/products/versions Difficult to find the specified datum/projection What is remote sensing? Give examples. - correct answer Collecting information from a distance; ex. photographs or radar/LiDAR. Typically satellite or air plane. Offer great detail over a continuous surface How is remote sensing imagery stored? - correct answer Great detai...

Data Base - Answer-a storage system used to query, manipulate, and analyze tabular data Hierarchical Database - Answer-1:1 parent/ child Secure, restricted paths Network Database - Answer-multiple parents/child flexible complex Relational Database - Answer-USED IN GIS flexible Boolean Algebra - Answer-AND OR NOT Attribute data - Answer-tables of nominal data color type ratio linked to spatial data Spatial Data - Answer-location coordinates Raster Advantages - Answer-simpleeasy ...

GIS Final Exam Questions & Answers 2024 Describe the Structure of Raster Data - ANSWER-A grid with each cell having a value Describe the structure of vector data - ANSWER-Polygons, points and Lines What are the differences between raster and vector data? What are the advantages/disadvantages of each? - ANSWER-Vector: more efficient (file size) , not good at continuous data Raster:Easy to understand, write and draw. suffer from mixed pixel problem. what is the mixed pixel problem? ...

RNR 2102 - Exam 2 Questions and Answers Already Passed Given that the dot grids contain 25 dots per square inch, and that the scale of the map is 4 inches to the mile, compute area in acres of a tract covering 450 dots. 720 ac Calculate radius of a 0.2-acre circular plot. 52.660 ft Given the following volume table and the total tree tally on 12 plots of 0.1-ac each, compute trees/acre, basal area/acre, and volume/acre. (see sheet) Trees/ac = 208.333 trees/ac Basal area/ac= 53.631 ...

Data exploration Data-centered query and analysis Dynamic Segmentations A data model that allows the use of linearly measured data on a coordinate system Georelational data model A vector data model that uses a split system to store geometries and attributes GeoSpatial data Data that describes both the locations and characteristics of spatial features on the earth surface Object-based data model A data model that uses objects to organize spatial data and stores g...

Match the following file and image types with their correct definitions. : -JPG- High quality raster images with lossy compression which results in decreased image quality after each image edit. -PNG- True color, supports transparency, and is lossless, meaning an image will retain the same quality regardless of how many times it's been edited. -GIF- Can only contain up to 256 colors, supports transparency, and can be animated. -WEBP- Developed by Google in an attempt to combine the best...

Kerning CORRECT ANSWER-Controls the space between two specific characters Tracking CORRECT ANSWER-sets the amount of space between a range of characters Leading CORRECT ANSWER-Controls amount of space between lines of type JPEG CORRECT ANSWER-Commonly used format with lossy compression for digital photography PNG-8 CORRECT ANSWER-Raster graphics file format that supports lossless data compression and can display 256 colors PNG-24 CORRECT ANSWER-Raster graphics file format that sup...

Data Base - Answer-a storage system used to query, manipulate, and analyze tabular data Four components of a GIS - Answer-Hardware Software People!! Spatial Data Topology - Answer-Whats next to what and what is connected to what Hierarchical Database - Answer-1:1 parent/ child Secure, restricted paths Network Database - Answer-multiple parents/child flexible complex Relational Database - Answer-USED IN GIS flexible Boolean Algebra - Answer-AND OR NOT Attribute data - Answer-table...

A Geographic Information System is NOT used for: a. Capturing spatial data. b. Storing spatial data c. Displaying spatial data. d. None of the above - Answer- d. None of the above ESRI's geodatabase model in ArcGIS is based on which of the following data models? a. Object Oriented. b. Relational data model. c. Dynamic segmentation. d. Hierarchical data model - Answer- a. Object Oriented The structure of a shape file (ArcView) is based on which of the following data model? a. Obje...