Mapping Crime and Geographic Information Systems district by listing in a new table or file each patrol district identification number and the number of spousal abuse incidents that occurred there. Measure areas and distances
https://www.ojp.gov/pdffiles1/nij/178919.pdf
Maps can help answer this question by symbolizing change in several possible ways, such as by showing crime as a “surface” with peaks representing high levels of occur- rence (gray areas) and valleys low levels (red areas) (figure 1.8).
https://www.ojp.gov/pdffiles1/nij/178919.pdf
While it is unlikely that flow mapping will ever be a major component of crime maps, it will be increasingly used owing to its obvious utility in limited applications. Classifying map information
https://www.ojp.gov/pdffiles1/nij/178919.pdf
Although crime maps using isolines have been around in some form since the 1960s, they have only recently become widely used.3This is a result of the avail- ability of algorithms in mapping programs that perform complex calculations at high speed.
https://www.ojp.gov/pdffiles1/nij/178919.pdf
pdf for "baltimore county crime map".(Page 1 of about 18 results)