How to use scatter function with different marker, markerFaceColor?

Question

Yuanjie Su 2019-9-16

0
链接

此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/480624-how-to-use-scatter-function-with-different-marker-markerfacecolor

评论： Walter Roberson 2019-9-19

Here, I want to draw 3 points. Marker are 'o' , 'diamond' and '<'. MarkerEdgeColor are [0.19608 0.80392 0.19608], [0.72941 0.33333 0.83922] and [1,1,0]. How to use scatter once to draw these 3 points? I tried as following and failed.

x=[1,2,3];
y=x;
marker=['o','d','<'];
color=[0.19608 0.80392 0.19608;0.72941 0.33333 0.83922;1,1,0];
scatter(x,y,'Marker',marker,'MarkerFaceColor',color,'MarkerEdgeColor','k');

5 个评论
显示 3更早的评论隐藏 3更早的评论

Yuanjie Su 2019-9-19

In fact, there are 5000+ points in my code.

Adam 2019-9-19

Well there aren't 5000 different types of marker anyway so how exactly do you want them to be grouped? You only need to do a sinigle scatter call per marker type, not for every single point. If you have 1000 points using the same marker type you can plot them all in one instruction, you just can't mix marker types in a single instruction.

Your example of 3 points, each with a different marker is not sufficient for us to understand what you want to do with 5000 though.

请先登录，再进行评论。

请先登录，再回答此问题。

Answer 1

Yuanjie Su 2019-9-16

0
链接

此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/480624-how-to-use-scatter-function-with-different-marker-markerfacecolor#answer_392103

I don't want to use for...loop statement which running too slowly.

0 个评论
显示 -2更早的评论隐藏 -2更早的评论

请先登录，再进行评论。

Answer 2

Walter Roberson 2019-9-16

0
链接

此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/480624-how-to-use-scatter-function-with-different-marker-markerfacecolor#answer_392122

You will need to get a job or internship with Mathworks with the goal of extending the scatter object to handle multiple markers in a way that is backwards compatible (does not trigger a fault if the resulting object is loaded in an earlier version) and yet retains high performance for drawing.

There is no possibility in any released version of MATLAB to use multiple marker shapes for any one scatter or line or surface or patch object.

2 个评论
显示无隐藏无

Yuanjie Su 2019-9-19

It may be difficult.

Walter Roberson 2019-9-19

In a crowded picture, once you get beyond about 5 different marker types, it can be difficult to distinguish them. You can group all of the points to be drawn with the same marker type into the same scatter() call.

请先登录，再进行评论。