MATLAB Answers

2

Error using biograph function

Asked by Ajay Gautham on 28 Mar 2015
Latest activity Commented on by Corey
on 9 Dec 2015

Hi, When i was using this piece of code below few months ago, it was running ok. Now its throwing in errors, but displaying the graph somehow. But these red lines when i run the code bothers me. Can you please help me regarding this.

#######################CODE#########
W = [100 200 300 300 400 100 200 200 400 200 100 100];
DG = sparse([1 1 1 2 2 3 4 5 5 6 7 8 ],[2 3 4 5 6 4 6 7 9 8 8 9],W,9,9);
h = view(biograph(DG,[],'ShowWeights','on'));
######################################

$$$$ERRORS#####

   Error using cell2mat (line 52)
  CELL2MAT does not support cell arrays containing cell
  arrays or objects.
Error in
biograph.biograph/hgCorrectFontSize>mycell2mat (line
43)
    m = cell2mat(c);
Error in biograph.biograph/hgCorrectFontSize (line
34)
   set(mycell2mat(get(mycell2mat(get(h.Edges,'hgline')),'UserData')),'FontSize',edgeFontSize)
Error in biograph.biograph/hgUpdate (line 32)
    h.hgCorrectFontSize
Error in biograph.bgguiRbgguiResize (line 220)
bh.hgUpdate
Error using biograph.bggui (line 67)
Error while evaluating Figure SizeChangedFcn

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2 Answers

Answer by Jiangtao Yu on 18 Jun 2015
Edited by Jiangtao Yu on 18 Jun 2015

The most simple way to solve this problem is to note the Line 32 to 35 of the hgCorrectFontSize.m.
just like
% if strcmp(h.showWeights,'on')
% edgeFontSize = max(h.edgeFontSize * scl,minAllowableFontSize);
% set(mycell2mat(get(mycell2mat(get(h.Edges,'hgline')),'UserData')),'FontSize',edgeFontSize)
% end
But this way maybe have an other negative effect.
The best way is to correct these codes.
My solution is to change the code of mycell2mat function begins from Line39 and save.
function m = mycell2mat(c)
if verLessThan('matlab','8.4.0')
% execute code for R2014a or earlier
if numel(c)==1
m = c;
else
m = cell2mat(c);
end
else
% execute code for R2014b or later
n=length(c);
m=gobjects(n,1);
for i=1:n
m(i)=c{i};
end
end

  1 Comment

Thanks Jiangtao, that fixed the error on my side.

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Answer by Debarati Banerjee on 2 Apr 2015

This seems to be a known issue. Currently there are no workarounds to resolve the errors.

  1 Comment

I'm struggling the same story, 'ShowWeights' triggers the problem!

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