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  1. CV4-1 - Basic thematic mapping methods | GIS&T Body of Knowledge

    Describe the design considerations for each of the following methods: choropleth, dasymetric, proportioned symbol, graduated symbol, isoline, dot, cartogram, and flow map Evaluate the strengths …

  2. Cartography and Visualization | GIS&T Body of Knowledge

    The Cartography & Visualization section encapsulates competencies related to the design and use of maps and mapping technology. This section covers core topics of reference and thematic maps …

  3. CV-35 - Geovisualization | GIS&T Body of Knowledge

    Jun 15, 2018 · Geovisualization is primarily understood as the process of interactively visualizing geographic information in any of the steps in spatial analyses, even though it can also refer to the …

  4. SPARQL | GIS&T Body of Knowledge

    DM-80 - Ontology for Geospatial Semantic Interoperability It is difficult to share and reuse geospatial data and retrieve geospatial information because of geospatial data heterogeneity problems. Lack of …

  5. spectral band | GIS&T Body of Knowledge

    DC-16 - Nature of Multispectral Image Data A multispectral image comprises a set of co-registered images, each of which captures the spatially varying brightness of a scene in a specific spectral …

  6. coordinate systems | GIS&T Body of Knowledge

    DM-88 - Coordinate Transformations Coordinate transformations are needed to align multiple GIS datasets to one coordinate system when they use multiple coordinate systems. To transform …

  7. AM-55 - Workflow analysis and design | GIS&T Body of Knowledge

    Compare and contrast various methods for modeling workflows, including narratives, flowcharts, and UML Compare and contrast the relative merits of various software design methods, including …

  8. DC-26 - Remote Sensing Platforms | GIS&T Body of Knowledge

    Oct 15, 2018 · Remote sensing means acquiring and measuring information about an object or phenomenon via a device that is not in physical or direct contact with what is being studied (Colwell, …

  9. vector overlay | GIS&T Body of Knowledge

    AM-04 - Overlay Overlay operation is a critical and powerful tool in GIS that superimposes spatial and attribute information from various thematic map layers to produce new information. Overlay …

  10. Search Page | GIS&T Body of Knowledge

    PD-01 - Linear Programming and GIS Linear programming is a set of methods for finding optimal solutions to mathematical models composed of a set of linear functions. Many spatial location …