www.gusucode.com > map 案例源码 matlab代码程序 > map/ViewDistortionConicProjWithProperlyChosenParallelsExample.m
%% View Distortion of Conic Projection with Properly Chosen Parallels % %% % An equidistant conic projection with properly chosen parallels can map % the conterminous United States with less than 1.5% distortion. figure usamap conus load conus patchm(uslat, uslon, [1 0.7 0]) plotm(statelat, statelon) patchm(gtlakelat, gtlakelon, 'cyan') framem off; gridm off; mlabel off; plabel off mdistort('parscale', -2:.5:2) parallelui