matlab 用m_map画地形水深图

clear,clc
%投影
m_proj('albers equal-area','lat',[5 43],'long',[105 125],'rect','on');
%加载水深文件
[CS,CH]=m_etopo2('contourf',[-7000:500:3000],'edgecolor','none');
%绘制高分辨率陆地和海岸线
m_gshhs_h('patch',[0.1 0.9 0.1],'edgecolor','r');

m_grid('linestyle','none','linewidth',2,'tickdir','out',...
          'xaxisloc','top','yaxisloc','right','fontsize',10);

colormap([ m_colmap('blues')]);