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Chorochromatic Map

A chorochromatic map is a thematic map that displays categorical spatial data like land use, vegetation zones, or city zoning through the use of color symbols and patterns without numerical values. There are two main types: simple chorochromatic maps that show one category using one color, and compound chorochromatic maps that show multiple categories in separate sections. Chorochromatic maps are effective at visually representing discrete data clearly through the intelligent use of colors and symbols.

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AMARTYA PANI
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8K views2 pages

Chorochromatic Map

A chorochromatic map is a thematic map that displays categorical spatial data like land use, vegetation zones, or city zoning through the use of color symbols and patterns without numerical values. There are two main types: simple chorochromatic maps that show one category using one color, and compound chorochromatic maps that show multiple categories in separate sections. Chorochromatic maps are effective at visually representing discrete data clearly through the intelligent use of colors and symbols.

Uploaded by

AMARTYA PANI
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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Chorochromatic Map

The word Chorochromatic consists of two Greek words, namely, "chora" meaning "region"
and "chroma" meaning "color", the full meaning of which is “color of the region". This map
is known by multiple names, such as color-patch maps (in USA), area-class, qualitative area,
or mosaic map etc.

Definition:

A Chorochromatic map is a type of thematic map where - without considering any form of
numerical or statistical information within the boundaries of the respective administrative
unit, first outlined single and multiple spatial patterns of the ground surface and then
displayed with color symbols such as tints or colors. With the help of such maps - landuse
components or landuse patterns, soil groups, vegetation zones, lithological units or rock
groups, crop regions, biomes, dominant vegetation species or ecozones, climate
classification, land cover such as vegetation, water, and human landscape, predominant
language , religion, ethnicity, Surface geologic strata, City zoning etc. are easily displayed.

Types:

Chorochromatic maps can be classified as follows –

 Simple Chorochromatic map: In general Chorochromatic maps, only single


categories of specific single regions (e.g., vegetation, mineral deposits in a country)
and selected single features are represented by single color symbols or patterns
without further subdivision.

 Compound Chorochromatic map: When a Chorochromatic map is published with a


set of regions in different sections, it is called a composite Chorochromatic map. Such
a map represents a completely separate field. For example, to show a complete soil
map of a region with different types of soil using different symbols or patterns of
shading or color.

Characteristics:

 This map is typically used to represent discrete fields, also known as categorical
coverage.
 In the case of taxonomy on this form map, the intelligent choice of map symbols can
help to depict hierarchies (same values = same color).
 This map is used to depict a wide variety of nominal/discrete fields, as like a
quantitative field, a discrete field, etc.
 This map used only Nominal or Qualitative data.
 It is a large scale map.

Advantage:
 This map used nominal data, for example various colors, shades of black and white or
even patterns.
 This diagram is visually simpler and easily understood.

Disadvantage or limitation:

 The reader can easily misinterpret this map.


 An image showing actual numbers may confuse the map user because this form is not
attached to the map.
 In this map the data decides the boundaries.

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