Presentation on theme: "Special Purpose Maps."— Presentation transcript: 1 Special Purpose Maps Show 2 Special Purpose Maps As you explore the
world, you will encounter many different kinds of special purpose maps. For example, a road map is a special purpose map. The title of each special purpose map tells the purpose and content of the map. Usually a special purpose map highlights only one kind of information. Examples of special purpose maps include land use, population distribution, recreation, transportation, natural resources, or weather. The key on a special purpose map is very important. Even though a special
purpose map shows only one kind of information, it may present many different pieces of data. This data can be shown in symbols, colors, or arrows. In this way, the key acts like a dictionary for the map. 3 The
highest revenue-generating company headquartered in each state - 2014 4 Population Density 5 Pangea with modern
borders 6 Gross Domestic Product 7 8 9
10 Africa GDP 11 Middle East - GDP 12 13 14 15
16 Locations where Google Street is available 17 Countries where the
metric system is not used 18 World Map of the Different Writing Systems
19 The Number of Researchers per Million Inhabitants Around the World 20
Coffee Consumption per Country 21 Worldwide Driving Orientation Worldwide
22 The World Divided Into 7 Regions, Each with a Population of 1 Billion
23 Frequency of Lightning Strikes Throughout the World 24 McDonald’s Across the
World 25 July 2014 26
The Only 22 Countries in the World Britain Has Not Invaded (not shown: Sao Tome and Principe) 27 Reversed Map with Southern Hemisphere at Top of Map (because
position of North is arbitrary) 28 Warmup Study the map and describe the information you can deduce from looking at it Earthquakes recorded in 2000
29 Warmup What is the map telling you?
Special Purpose Map Definition: Special purpose maps are designed or created for the special purpose. They are not standard map, specialized map displaying particular information. For example a DEM (digital information model) which shows only the elevation value is a special purpose map where as a political map might show river, height info, roads, city name and so on is a standard map. In a special purpose map information are not cluttered rather it is focus on one subject where as standard map have tons of information on it. Types of Special Purpose Maps Population Density Map: Population Density maps shows the population dense area. Vegetation Map: Vegetation maps display different types of vegetation. Normally remote sensing is used to create this type of map. Land Cover Map: Land Cover map shows different features present in the area. It might have road structure, city foot prints, vegetation and more. Remote sensing is heavily used to produce these type of map. Slope Map: GIS tools are normally used to create this type of map where map display the sloppiness of the area. Slope value is shown in percentage or in angle. DEM Map: Digital Elevation Model map which is in a raster format that has the Z value or height information. Aspect Map: Aspect map shows the direction that topographic slope faces. Normally they are measured in degrees from north. TIN Map: Triangulated Irregular Network, which display the elevation values using non overlapping triangles. Precipitation Map: It shows the amount of the rainfall in the area. Elevation Profile Map: Elevation Profile map shows the change in the z values with respect to distance. Hot Spot Map: Hot Spot map shows the density value in the particular area. For example it might be used by crime analyst to show the major crime area. Watersheds Map: It display area of the land that divides waters flowing to different rivers, basins, or seas. Conclusions:Special Purpose Maps are created for the special purpose. Nevertheless you can add other related information on the map to add value to it. Like watersheds maps can have road network which will add value while you are designing an irrigation system. What's a special purpose map?Special-purpose maps give information on a specific topic. ▪ The subject matter of these maps is unlimited. They can provide information on population, climate, landforms, fire escape routes, and so much more.
What is a spatial purpose map?Spatial mapping (also called 3D reconstruction) is the ability to create a 3D map of the environment. It allows a device to understand and interact with the real world. Spatial mapping is useful for collision avoidance, motion planning, and realistic blending of the real and virtual world.
Which type of map provides special purpose information?Thematic Maps are sometimes also called special purpose, single topic, or statistical maps. They highlight features, data, or concepts, and these data may be qualitative, quantitative, or both.
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Example of a special purpose map
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