Monday, April 20, 2009

Planimetric Map














This Planimetric Map is displaying the horizontal position of these planimetric features while utilizing lines and symbols for representation. Planimetric Map also use the X,Y coordinate systems to hep those trying to read the map. Planimetric maps are typically very accurate giving horizontal distances.

Found At: http://www.ncdot.org/doh/PRECONSTRUCT/highway/photo/Products/Planimetric_maps_default.html

Topographic Map



















This map is a Topographic Map of Florida from the USGS. Elevation in Florida is typically flat, however, the state is surrounded by water and depicts the depths of the continental shelf and the water of the Gulf of Mexico and the Atlantic Ocean. 

Found At: http://education.usgs.gov/common/resources/mapcatalog/image.html

Unclassed Chloropleth Map













The map shown is an Unlcassed Chloropleth Map showing European fertility. Rates are shown with the use of shading. Higher fertility has darker shading and the lighter shading represents the lower fertility rates. This type of map assigns shades to represent the data so that it doesn't have to be classified. It's typically not accepted because cartographers claim they lose communication with these maps.  

Found At: http://www.esds.ac.uk/international/support/user_guides/gisoverview.asp

Sunday, March 29, 2009

DEM Map























This is a DEM (digital elevation model) of Sturgis, SD. It is displayed in a 3 dimensional relief map. DEM maps are geospatial maps that are used for digital elevation models around the world. 

Found At: http://eros.usgs.gov/products/elevation/dem.php

Bivariate Chloropleth Map




















This is a Bivariate Chloropleth map that shows the increase in United States divorce rates from 1980 to 1990.Bivariate maps display the relationship of two variables. Bivariate maps are known to represent that relationships between two different variable and this particular map is also a cartographic animation map. This map, on the web page, displays both rates of individual states and the individual counties within each state.


Found At: http://www.pop.psu.edu/images/gia/maps/changeanim.gif

Sunday, March 22, 2009

Univariate Choropleth Map





















This is a Univariate Choropleth Map depicting the poverty of individuals across the United States. These maps display single data sets. 


Found At: http://www.cdc.gov/pcd/issues/2007/oct/images/07_0091_02.gif

Histogram Map

























This  is a Histogram Map with the nodes arranged in a vertical manner. The data appears to represent maybe individual sales for specific people and companies, although the website did not specify. Histogram are typically used for statistical purposes and are arranged in a graphical way so that tabulated frequencies are shown as bars. They are used to show categories and results


Found At: http://www.daisy2000.com/Daisy2003/verticalhistogram.html