Generalization techniques for points, lines and areas

Elimination


Figure 3: Hover cursor over graphic to view the results of feature elimination (Data source: Wyoming Oil and Gas Conservation Commission).

 

Simplification and smoothing


Figure 4: Hover cursor over graphic to view the results of polygon simplification and line smoothing.

 

Displacement


Figure 5: Hover cursor over graphic to view the results of feature displacement.

 

Classification


Figure 6: Hover cursor over second graphic to view the striking differences in spatial patterns based on different classification methods applied to data in first graphic.

 

Exaggeration and enhancement


Figure 7: Hover cursor over graphic to view the results of enhancing and exaggerating line and polygon features.

 

Aggregation


Figure 8: Hover cursor over graphic to view the results of aggregating point and polygon features.

 

Collapsing


Figure 9: Hover cursor over graphic to view the results of collapsing features.

 

Refinement


Figure 10: Hover cursor over graphic to view the results of refining a (left) digitized running track and (right) hydrographic network.

 

Typification


Figure 11: Hover cursor over first graphic to view the results of typification using 50% of the original points. The heat maps illustrate that the point density pattern is largely the same before and after typification (Data source: Wyoming Oil and Gas Conservation Commission).