Question

我正在使用worldmap创建一个带有设置lat和lon限制的地图。 MATLAB使用什么投影来创建图形？ Mathworks只是说它会自动选择一个合理的＆＃39;投影。

这是我使用的代码：

        figure('visible','off');

        %%% Set the map boundaries
        hi_lat=55;
        lo_lat=24.5;
        hi_lon=-54.0 ;
        lo_lon=-128.0;

        %%% Plot
        worldmap ([lo_lat hi_lat], [lo_lon hi_lon]) % lat and lon bounds of your plot
        geoshow('landareas.shp','FaceColor', 'none', 'EdgeColor', [0 0 0])
        framem off; gridm off; mlabel off; plabel off
        hold on
        states = shaperead('usastatelo', 'UseGeoCoords', true,...
            'Selector',...
            {@(name) ~any(strcmp(name,{'Alaska','Hawaii'})), 'Name'});
        geoshow(states,'FaceColor', 'none', 'EdgeColor', [0 0 0])

Answer 1

将worldmap设为等于变量，然后尝试getm

h = worldmap ([lo_lat hi_lat], [lo_lon hi_lon]) % lat and lon bounds of your plot
geoshow('landareas.shp','FaceColor', 'none', 'EdgeColor', [0 0 0])
framem off; gridm off; mlabel off; plabel off
hold on
states = shaperead('usastatelo', 'UseGeoCoords', true,...
        'Selector',...
        {@(name) ~any(strcmp(name,{'Alaska','Hawaii'})), 'Name'});
    geoshow(states,'FaceColor', 'none', 'EdgeColor', [0 0 0])

getm(h,'MapProjection')

MATLAB Mapping Toolbox默认地图投影

1 个答案: