Introduction of Map Design: Design Loop, Graphic Editors, Choosing Map Symbols (Especially for GATE-Geospatial 2022)

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A graphic depiction of all or part of a geographic realm in which the real-world features have been replaced by symbols in their correct spatial location at a reduced scale. A GIS map is designed in a process called the design loop. Good map design requires that map elements be placed in a balanced arrangement within the neat line.

  • When a GIS map is the result of a complex analytical or modeling process, good design is essential for understanding.
  • The map is what distinguishes GIS as a different approach to the management of information, so extra care should be taken to improve the final maps that a GIS generates in a GIS task.
  • The purpose: to enhance map communication by creating a map that is balanced, coherent, ordered and interesting to look at below:
This Picture Shows Map Design

The Design Loop

  • Create map layout
  • Draw on screen (proof plot)
  • Examine
  • Edit
  • Repeat until happy
  • Make final plot

Visual Balance is Affected By

  • The “weight” of the symbols
  • The visual hierarchy of the symbols and elements
  • The location of the elements with respect to each other and the visual center of the map.

Graphic Editors

This Picture Shows Graphic Editors

Graphic Editor Software

There are two types of Graphic Editor software: Vector and Raster

  • Vector
    • Adobe Illustrator
    • CorelDraw
    • Freehand
  • Raster
    • Photoshop
    • Corel Paint
    • Fractal Paint

Choosing Symbols

There are several characteristics of a symbol that can be manipulated, which are often referred to as the visual variables. These are size, shape, orientation, pattern, hue, and value. Hue and value are two characteristics of color. The names we assign to different colors correspond to different hues (e. g. blue, red, yellow) . Value refers to how light or dark a color is, although value can also apply to gray.

This Picture Shows How Light or Dark a Color is Apply to Gra …

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