Saturday, April 23, 2011. Range Graded Proportional Circle Maps. Range graded proportional circle maps are an easy way to show a lot of data at once. Not only do we get to see the data in the traditional proportional circles, larger size, larger data numbers, we get to see data within those circles as well. The images in the circles represents a range of data that each of the individual circles fall into. Range Graded Proportional Circle Maps.

Monday, April 27, 2009. A statistical map is just like it sounds, it shows stats on a map. In this example the statistics are the percent change in metropolitan and micropolitan population in the U. Animation is the presentation of individual frames in a given order. This example shows the dates of independence in African states in chronological order, which is the most common form of cartographic animation.

Tuesday, June 24, 2008. Here is an isopach map displaying the ash fall from the Cerro Negro Volcano in Nicaragua. Isopach maps are frequently used to assist geologists. They map the areal extent and thickness variation of a stratigraphic unit. Sunday, June 22, 2008.

MapAnalyst is a software for the accuracy analysis of old maps. Its main purpose is to compute distortion grids and other types of visualizations that illustrate the geometrical accuracy and distortion of old maps. 2005-2011 Bernhard Jenny, Oregon State University.

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