GG251 Lecture Notes - Pie Chart, Geovisualization, Arcmap
Document Summary
Graduated symbol: graduated symbol map= proportional symbol, range graded graduated symbol map= graduated symbol map. Chart maps: pie chart, bar/column chart. **in addition to map, bobby wants a write up about map (1/2 page) Grid squares: choice of symbols depend on audience. Can introduce three dimensional symbols such as spheres, and cubes, block piles (recover original data) Display multivariate data in shape of human face. Individual parts represent values by their shape, size, placement, and orientation. How much or what kind of movement: quantitative (how much): widths connecting places are drawn proportional to the quantity of movement represented, qualitative (what kind): unscaled with arrowheads showing routes. Technique: spatial geometry, such as distance or area, is distorted to reflect some attribute such as time, or an attribute associated with area. Value-by-area i. e. route networks, the classic example is the london underground map. Drawn according to some value other than geographic area, i. e. population or income, they are.
