Raster model - Study guides, Class notes & Summaries

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 ...

information systems (IS) An automated system that uses computer hardware and software to record, manipulate, store, recover, and disseminate data (that is, a system that receives and processes input and provides output); often used inter-changeably with information technology (IT) systems development life cycle (SDLC) A model used to represent the ongoing process of developing (or purchasing) information systems Informatics the science of information management. A field of study th...

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...

Vector Data Model Answer TINs: Triangulated Irregular Network; Series of triangles, each has constant gradient. 3D vector data Answer Flat: fewer, large triangles Steep: more, small triangles TINs consist of Answer Points, lines, polygons TINs: Geometric Objects Answer Triangles - faces Points - nodes Lines - edges Raster data storage Answer Arrays are a computers best friend -compression Grid of cells/pixels -row, column -Attribute data (quantitative) Raster Information An...

Append dataset A merges with B, C, & D to make a new dataset E, PL or P NAIP Acquires aerial imagery during the agricultural growing seasons in the U.S.; administered by the USDA's Farm Service Agency Digital Terrain Model (DTM) Represents the bare ground surface without any objects like plants and buildings Image rectification Process of applying a mathematical transformation to an image so that the result is a planimetric image Quadtree method for encoding raster data that reduces stora...

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 geometries and attribu...

Geographic Information System - correct answer a computer based system to aid in the collection, maintenance, storage, analysis, output and distribution of spatial data difference between GIS and Geographic information SCIENCE - correct answer "system" refers to the technology used to acquire and manipulate data, "science" refers to theory and concepts behind the technology. Thematic Layer - correct answer Layer which organizes the spatial and attribute data for a given set of ca...

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...

Action - A recorded step or series of steps that can be saved and played back in order to apply similar changes to multiple images. Adobe Bridge - An application within Photoshop that is used to manage and browse files and file folders. Aspect Ratio - The affiliation of the width and height in an image's proportions. Auto-Tone - A feature which maximizes the tonal range in each channel of the image. Batch Processing - A process within Photoshop CC that allows the user to automatical...

GISP Study Guide All Answers Correct Geodatabase Definition: An object-oriented spatial model representing the native data structure for ArcGIS. It serves as the primary format for storing, editing, and managing geographic data. Types of Geodatabases Personal Geodatabase File Geodatabase Enterprise Geodatabase Workgroup Geodatabase Types of Geodatabase Datasets Geometric Network Network Dataset Parcel Fabric Terrain Dataset LAS Dataset Distance Relations Definitio...