【源码】Google地图嵌入MATLAB图片——plot_google​_map函数

 plot_google_map函数的作用是使用Google Maps API在当前图片的背景中绘制指定的谷歌地图。该函数假定当前图形的坐标以WGS84为基准，并使用转换代码将图像从Google使用的坐标系转换并投影到WGS84坐标中。地图的缩放尺度经过自动确定以覆盖图形的整个区域，此外，还可以在图中缩放时自动刷新地图，在放大时显示更多细节。

谷歌地图API在没有API密钥的情况下每天最多只能提供1000个请求响应。如果您需要频繁使用此函数，最好申请一个API密钥。

function varargout =plot_google_map(varargin)

% function h = plot_google_map(varargin)

% Plots a google map on the current axesusing the Google Static Maps API

%

% USAGE:

% h = plot_google_map(Property, Value,...)

% Plots the map on the given axes. Usedalso if no output is specified

%

% Or:

% [lonVec latVec imag] =plot_google_map(Property, Value,...)

% Returns the map without plotting it

%

% PROPERTIES:

%   Axis           - Axis handle. Ifnot given, gca is used.

%   Height (640)   - Height of theimage in pixels (max 640)

%   Width  (640)   - Width of the image in pixels (max 640)

%   Scale (2)      - (1/2) Resolutionscale factor. Using Scale=2 will

%                     double the resulotion ofthe downloaded image (up

%                     to 1280x1280) and will resultin finer rendering,

%                     but processing time willbe longer.

%   Resize (1)     - (recommended 1-2)Resolution upsampling factor.

%                     Increases image resolutionusing imresize(). This results

%                     in a finer image but itneeds the image processing

%                     toolbox and processingtime will be longer.

%   MapType        - ('roadmap') Typeof map to return. Any of [roadmap,

%                     satellite, terrain,hybrid]. See the Google Maps API for

%                     more information.

%   Alpha (1)      - (0-1)Transparency level of the map (0 is fully

%                     transparent). While themap is always moved to the

%                     bottom of the plot (i.e.will not hide previously

%                     drawn items), this can beuseful in order to increase

%                     readability if many colorsare plotted

%                     (using SCATTER forexample).

…………….

GitHub下载地址：

https://github.com/zoharby/plot_google_map

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