Friday, September 26, 2008

Propaganda Maps



mapanalysisnoles949.blogspot.com/2008/06/prop...

Propaganda maps are used to play with the psychi of a population. These type maps are used more in war situations and for political rhetoric. Propaganda maps can be used to influence a population much like Hitler did not WWII.

Hyposmetric Maps



atlas.nrcan.gc.ca/.../map5.jpg/image_view

Hypsometric maps represent the elevation of the terrain with colors. The area between two neighboring contour lines receives one specific tint. Hypsometric colors are most common in topographic maps at small scales, either applied as continuous gradients or intervals. The succession of colors occurs according to different rules.
In topographic surveying, a map giving elevations by contours, or sometimes by means of shading, tinting, or batching.

PLSS Maps



sjr.state.fl.us/gisdevelopment/docs/themes.html

The PLSS is used to divide public domain lands, which are lands owned by the Federal government for the benefit of the citizens of the United States. The original public domain included the land ceded to the Federal Government by the thirteen original States, supplemented with acquisitions from native Indians and foreign powers.

Cadastral Maps



www.rpdata.net.au/news/brochures/mapping.html

A cadastral map is a map showing the boundaries and ownership of land parcels. Some cadastral maps show additional details, such as survey district names, unique identifying numbers for parcels, certificate of title numbers, positions of existing structures, section and/or lot numbers and their respective areas. County property appraisers sometimes use cadastral maps to determine survey markers and ownership boundries.

Monday, September 15, 2008

Cartograms



issrweb.asu.edu/services/gis/sample-maps.html

Cartograms are maps where the geographic unit being looked at has its size and shape altered to reflect the magnitude of the variable being looked at. Algorithms which create cartograms are designed to maintain the approximate scale and positions of the original geographic units as best as possible given the necessary distortions. The Cartogram map above shows county populations for the area of the United States.

Sunday, September 7, 2008

Remotely-Sensed Map


www.esri.com/.../solutions/remote.html

This type of Remotely Sensed map is from a satellite and shows the southeastern coast of the United States. Remotely Sensed maps can be used to measure the size of tropical storms or hurricanes. Military personnel use Remotely-Sensed satellite maps to position their troops and determine enemy positions.

Saturday, September 6, 2008

Flow Map


graphics.stanford.edu/~dphan/code/flowmap

Flow maps have long been used to show certain patterns of travel. Flow maps show movement of objects or people from one location to another. Flow maps are used for traffic development, data collection, census data and other various aspects of data collection. This specific flow map shows a migration pattern from one state to another.

Thematic Map


www.lib.wsc.ma.edu/censusaff.htm

The Thematic Map above shows a distribution of age population in a given area. This type of map is used by the Census Bureau, business's, educational purposes and many other aspects. This map type is extremely easy to read and comprehend.

Topographic Map (Contour Map)


www.answers.com/topic/contour-line

The map above is a great example of a Topographic map. It shows equal elevation through the use of contour lines. The map shows valleys, hills, high points and low points. Many people use this type of map for development purposes to establish elevations of a certain location.

Thursday, September 4, 2008

Planimetric Maps

www.nps.gov/.../fova/clr/images/map2-21.jpg

The map above shows the city of Vancouver in a Planimetric map view. There are distinct lines that outline city streets and other pertinant crossways, railroads etc. This type of map does not have relief features. This Planimetric map resembles that of a street map.

Mental Map


go.owu.edu/.../geog_222_lo13_gr/sketch_proj.jpg

I thought this was a great example of a mental map. It is a mental map of how a child perceives the world on a paper map. Obviously the map is not precise and could not be used for orientation or navigation purposes. The map does show however a child's view of the world and how he/she sees it.