Raster data model - Study guides, Class notes & Summaries

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...

GISP questions with correct answers Data exploration Correct Answer-Data-centered query and analysis Dynamic Segmentations Correct Answer-A data model that allows the use of linearly measured data on a coordinate system Georelational data model Correct Answer-A vector data model that uses a split system to store geometries and attributes GeoSpatial data Correct Answer-Data that describes both the locations and characteristics of spatial features on the earth surface Object-based dat...

GIS Questions and Answers Already Passed What is GIS A system with spatially referenced data with meaning behind the data using explicit links. What questions are unique to geography and therefore GIS? questions related to trends, location, conditions etc Why is GIS called an "enabling technology"? because you can use it with several different disciplines. What industry is the biggest spender on GIS and why? Utility companies because they need their databases current and up to date. What i...

Dot map Correct Answer--Uses uniform point symbols to show partial data, with each symbol representing a unit value -Create a visual impression of density by placing a dot or some other symbol in the approximate location of the variable being mapped. Are most larger scale print maps 2D or 3D? Correct Answer-2D TIN (Triangulated Irregular Network) Correct Answer-a vector terrain model that allows for non-equally spaced elevation points to be used in the creation of the surface ArcGIS su...

Spatial data  All of the information that can be tied to a specific locations. Data with a geographic location, representation, or reference point that it describes. Visually represented as layers which allow the user to select different sets of data to display the main viewing window in a stacking manner. Cartography  The science of mapmaking, including data inclusion, layout, elements, colors, and design. Shapefile  A vector data storage format for storing the location, sha...

GISP Exam Prep Study Guide with Actual Questions and Answers Solved Correctly Geodatabase - answerobject oriented spatial model, native data structure for ArcGIS, and is the primary data format used for storing, editing, and managing geographic data. Types of Geodatabases - answerPersonal, File, Enterprise, workgroup Types of Geodatabase datasets - answerGeometric network, network dataset, parcel fabric, terrain dataset, LAS dataset Distance relations - answerspecifies how far is the obje...

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...

GISP Exam Prep Study Guide with Actual Questions and Answers Solved Correctly Geodatabase - answerobject oriented spatial model, native data structure for ArcGIS, and is the primary data format used for storing, editing, and managing geographic data. Types of Geodatabases - answerPersonal, File, Enterprise, workgroup Types of Geodatabase datasets - answerGeometric network, network dataset, parcel fabric, terrain dataset, LAS dataset Distance relations - answerspecifies how far is the obje...

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...

GISP questions with correct answers FGDC Correct Answer-Federal Geographic Data Committee - chaired by sec of Interior. address of homes, metadata format and content standards, GIS data quality, soil code standards, classification of wetlands, GPS standards, remote sensing and digital orthoimagery standards, Confusion Matrix Correct Answer-compares recorded classes (the observations) with classes obtained by some more accurate process, or from a more accurate source (the reference) rast...