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R2018b gscatter marker issue

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Erik Lorentzen
Erik Lorentzen 2018-12-20
评论： Walter Roberson 2019-11-26
I just updated to R2018b (from R2017b) and suddenly gscatter plots markers as squares by default.
How can I get back to circles?
(and not by specifying 'Marker' in every instance)
  2 个评论
SatyaPrakash Gupta
SatyaPrakash Gupta 2019-11-26
Hi,
I am beginner to MatLab and have one question as below:
Question :
  1. i have 2 matlab script file , one has GUI and the other has normal function definition for plotting the figure. when my GUI opens, in the edit text box, i enter the value and my function works accordingly i.e figure get plotted.
Problem : everytime when i update the text box, each time new figure gets open and there are nearly 8 figures, how can i update the figures when new text data is provided ?
Please note : i use scatter, gscatter, dbscan etc for each figure to get plotted
Your feedback will help me out to procced with my current activity.
thank you and waiting for your feedback.
Regards,
Satya

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采纳的回答

Walter Roberson
Walter Roberson 2018-12-21
You appear to be using an old graphics card. The MATLAB requirements for OpenGL capabilities increased in R2018b.
I think you are simply hitting one of the gray areas about reduced functionality due to having equipment that does not meet the minimums for full operation.
  1 个评论
Erik Lorentzen
Erik Lorentzen 2018-12-26
Yes, Im sure this is it.
At work Im using an older (but great!) computer.
Curious that it it works with scatter though. I always thought gscatter was just an extension of scatter. But apparently it uses different graphical routines at some lower level... or something.
Anyway, thanks to all of you who put some effort into my problem.

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更多回答（5 个）

Cris LaPierre
Cris LaPierre 2018-12-20
编辑：Cris LaPierre 2018-12-20
Interesting. The default is circles for me. Still you can set the symbol in the call statement using the
gscatter(x,y,g,clr,sym,siz) syntax.
load carsmall
gscatter(Displacement,Horsepower,Model_Year,[],'o')
madhan ravi
madhan ravi 2018-12-20
编辑：madhan ravi 2018-12-20
My default is also a circle ,
if you want you can edit the default marker as such:
edit gscatter % change the marker (i.e. wherever you find sym= or sym== put your favourite marker) to which one you like
  1 个评论
madhan ravi
madhan ravi 2018-12-21
If you are still facing the issue then the best way is to contact Mathworks Support Team by clicking the Contact Us button on the top right corner of this page.

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Erik Lorentzen
Erik Lorentzen 2018-12-21
Thanks for the answers!
But there seems to be something else going on. It is not the default in gscatter that has changed, it is still '.'.
Maybe it is something with my graphics. But it works fine with R2017b.
And if I plot with scatter() looping over the groups, that works fine also.
Has something changed with how gscatter uses the graphics on my computer?
I did get the old:
Warning: MATLAB has disabled some advanced graphics rendering features by switching to software OpenGL. For more information, click here.
But I got that in R2017b too.
Anyway, this is how it looks now:
1. gscatter(x,y,g)
gscatter.png
2. for i=0:3 scatter(x,y);
scatter.png
  2 个评论
madhan ravi
madhan ravi 2018-12-21
what showed up for sym when you tried edit gscatter ?
Cris LaPierre
Cris LaPierre 2018-12-21
What do you see if you run this built-in example?
load carsmall
gscatter(Weight,MPG,Model_Year)
It should look like this
gscatterTest.png

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Erik Lorentzen
Erik Lorentzen 2018-12-21
Thanks Madhan!
what showed up for sym when you tried edit gscatter ?
'.'
so that is correct.
The weird thing is that it doesn't happen with scatter.
I think I'll contact MATLAB on this.
It is way too strange for me.
Carsmall ex:
carsmall.png
  3 个评论
显示 1更早的评论
Erik Lorentzen
Erik Lorentzen 2018-12-21
Well, not really... :)
But thanks for the effort.
Cris LaPierre
Cris LaPierre 2018-12-21
编辑：Cris LaPierre 2018-12-21
I've escalated this to tech support. Is it possible for you to share your code and data? Use the paperclip icon to attach them to one of your posts.

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SatyaPrakash Gupta
SatyaPrakash Gupta 2019-11-19
Hi,
I am using MATLAB R2016b , gscatter function is support with this version ?
I always see there is an error as below
" Undefined function 'gscatter' for input arguments of type 'double' "
Even i tried the matlab example as below
load carsmall
gscatter(Displacement,Horsepower,Model_Year)
and i get "Undefined function 'gscatter' for input arguments of type 'double' "
can you please do help me out to resolve this problem ?
thank you.
Regards,
Satya
  4 个评论
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Walter Roberson
Walter Roberson 2019-11-19
I do not know if it is possible to purchase new licenses for the Statistics Toolbox. You should probably ask your license administrator whether they already happen to have a license that they could make available to you.
SatyaPrakash Gupta
SatyaPrakash Gupta 2019-11-19
编辑：SatyaPrakash Gupta 2019-11-19
Thank you so much, i have reqested to purchase new licenses for Tatistics ToolBox. Thank you again

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