Raster data - Study guides, Class notes & Summaries

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 data model - correct answer A data mo...

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 ...

Advanced GIS Exam 1 Questions & Answers 2024 Empiricism - ANSWER--Small choices that an individual has to make during a spatial process. ex which parameter to use during a certain task, using integers vs bytes vs float vs text data types -results have to be repeatable, which shows validity -results are repeatable with empiricism -GIS is empirical Data and Information - ANSWER--Data is NOT information -data must be manipulated to become information -data must be collected and analy...

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...

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? ...

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 bes...

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...

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...

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...