Spatial overlay - Study guides, Class notes & Summaries

GPC Exam | 133 Complete Questions and Answers 100% Correct | Latest Update 2025 Broadcast-Request Imagery Technology Environment (BRITE) - ANSWER An NSG program that disseminates NGA GEOINT data via Military Satellite/SIPRNET to communications-limited tactical users worldwide. Datum - ANSWER A mathematical model of Earth used to calculate the coordinates on any map, chart, or survey system. Ellipsoid - ANSWER Refers to the shape of the Earth. Is the shape of the surface created by Mean ...

Define geospatial data.  The data that describes both the LOCATION and CHARACTERISTICS of spatial features (such as roads, land parcels, and vegetation stands on the Earth's surface.) What is GIS?  Geographic Information Systems is a computer system for capturing, storing, querying, analyzing and displaying geospatial data. Define geometries and attributes as the two components of GIS data.  Geometric data describe the locations of spatial features, which may be discrete or ...

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...

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 ...

Analytical method: 0verlay analysis Define problem; Break problem into submodels; Determine significant layers (some of these layers may need to be created); Reclassify or transform data within a layer Analytical method: Spatial overlay process of superimposing layers of geographic data that cover the same area to study the relationship between them Analytical method: Overlay two or more maps or layers are superimposed for showing relationships between features Vector overlay tools: ldentity ...

GIS Exam 1 Questions & Answers 2024 GIS what it stands for, definitions, what it can do, who uses it and for what (examples from articles and other sources) - ANSWER-Geographic Information Systems A set of computer tools for analyzing spatial data. A computer-based system to aid in the collection, maintenance, storage, analysis, output, and distribution of spatial data and information research institutions, environmental scientists, health organisations, land use planners, business...

Broadcast-Request Imagery Technology Environment (BRITE) - ANS An NSG program that disseminates NGA GEOINT data via Military Satellite/SIPRNET to communications-limited tactical users worldwide. The Combatant Commands (COCOMs) - ANS Promote and enhance security to achieve U.S. strategic objectives and plan and conduct military operations. They analyze, produce, and disseminate all-source intelligence and GEOINT to support operations. Datum - ANS A mathematical model of Earth used to ...

NGA GPC Latest 2024 Already Passed Broadcast-Request Imagery Technology Environment (BRITE) An NSG program that disseminates NGA GEOINT data via Military Satellite/SIPRNET to communications-limited tactical users worldwide. The Combatant Commands (COCOMs) Promote and enhance security to achieve U.S. stategic objectives and plan and conduct military operations. They analyze, produce, and disseminate all-source intelligence and GEOINT to support operations. Datum A mathmatical model o...

Quantitative revolution a paradigm shift that sought to develop a more rigorous and systematic methodology for the discipline of geography. ... The main claim for the _________ _________ is that it led to a shift from a descriptive (idiographic) geography to an empirical law-making (nomothetic) geography Overlay analysis A group of methodologies applied in optimal site selection or suitability modeling (identify the best or most preferred locations for a specific phenomenon). Can be vector (...

GISP 6: Analytical Methods questions with correct answers What are the ways you can SELECT features based on ATTRIBUTE? -New Selection -Add to Selection -Remove from Selection -Subset Selection -Switch Selection -Clear Selection Semivariogram a model of the variance between points and their distance apart What is map algebra? set of primitive operations that allows two or more raster layers of similar dimensions to produce a new raster layer using algebraic operations such as addition...