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Themating maping

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  • 1. © akaidpl 2010. All Rights Reserved. THEMATIC MAPPING PANKAJ KUMAR PANKAJ KUMAR SAGAR VISHVENDU PANDEY
  • 2. © akaidpl 2010. All Rights Reserved. A thematic map is a type of map or chart especially designed to show a particular theme connected with a specific geographic area. These maps "can portray physical, social, political, cultural, economic, sociological, agricultural, or any other aspects of a city, state, region, nation, or continent". A thematic map is a map that focuses on a specific theme or subject area, whereas in a general map the variety of phenomena—geological, geographical, political—regularly appear together. The contrast between them lies in the fact that thematic maps use the base data, such as coastlines, boundaries and places, only as points of reference for the phenomenon being mapped. General maps portray the base data, such as landforms, lines of transportation, settlements, and political boundaries, for their own sake.
  • 3. © akaidpl 2010. All Rights Reserved. Thematic maps emphasize spatial variation of one or a small number of geographic distributions. These distributions may be physical phenomena such as climate or human characteristics such as population density and health issues. Barbara Petchenik described the difference as "in place, about space." While general reference maps show where something is in space, thematic maps tell a story about that place. Thematic map are sometimes referred to as graphic essays that portray spatial variations and interrelationships of geographical distributions. Location, of course, is important to provide a reference base of where selected phenomena are occurring.
  • 4. © akaidpl 2010. All Rights Reserved. WHAT IS A THEMATIC MAP? There are three classes of maps: 1) general reference maps which show the locations of a variety of features. 2) thematic maps which show the distribution of a single attribute (characteristic) or the relationship between several attributes. 3) charts which are used primarily for navigational purposes. Thematic maps can cover a variety of characteristics from soil types to population density. It is the cartographers responsibility to make sure that the map shows the correct distribution or the relationship between the various attributes WHEN DO WE USE THEMATIC MAPS? •Thematic maps can show not only the distribution of a single attribute, such as the result of a presidential election by state, but they can also show the relationship between several different attributes. For instance, a thematic map could show the results of that same presidential election with the number of votes divided according to the gender or age group of the voters. •Some maps that deal with a single attribute such as population, may not necessarily be thematic maps. If the map shows the actual location where the people live, it would be a general reference map. A map showing the distribution of that same population would be a thematic map.
  • 5. © akaidpl 2010. All Rights Reserved. HOW DO WE SCALE A THEMATIC MAP? Until fairly recently, thematic maps were usually made with a small scale, because the data was rather coarse, and it was more important to show the basic distribution pattern than the map location for the data. In recent years, however, better data has become available and thematic maps are being made with a larger scale to show more accurate spatial information. WHAT MAKES A GOOD THEMATIC MAP? When designing a thematic map, a cartographer must be careful to portray the data on the map so that it will be easy for the audience to use and understand. This is accomplished mainly with the marks and symbols that the cartographer uses to represent the data. The designer should also give an adequate locational base for the map.
  • 6. © akaidpl 2010. All Rights Reserved. CHOROPLETH MAP OF WATER USE METHODS OF THEMATIC MAPPING ISARITHMIC MAP OF BAROMETRIC PRESSURE MAP OF CLIMATE AND PLANT HARDINESS ZONES
  • 7. © akaidpl 2010. All Rights Reserved. McDonalds use prefabricated structures for their buildings, and set a record of constructing a building and opening for business within 13 hours. CONCLUSION Because of the design simplifications modern architecture provides many in the manufactured housing sector generally feel that modern architecture designs are better suited for prefab home construction.
  • 8. © akaidpl 2010. All Rights Reserved. REFERENCES Because of the design simplification www.slideshare.com (Prefabrication | Future Proofing Schools) www.Wikipedia.com www.google.com