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I'm having some problems with the Mathematica graphics inspector. I want to make a graph with the following code:

GraphPlot[{{1, 1, 1, 1}, {1, 1, 1, 1}, {1, 1, 1, 1}, {1, 1, 1, 1}},
    DirectedEdges -> True, MultiedgeStyle -> True, SelfLoopStyle -> True]

Mathematica graphics

Which results in a good looking graph. But when I use Graphics Inspector to alter the weight of the edges, it gives me an error and Mathematica closes. Does anyone else have ever experienced this? Or do you have another solution for me to achieve my graph with weighted edges?

I'm using Mathematica version 7.

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There were several syntax errors in your code which I corrected. How could this ever have produce a working graph? And what do you mean with "Graphics Inspector"? Do you mean the Drawing Tools palette? I don't have any problems changing line thickness using Win-7 Mathematica version 8.04 and the palette. – Sjoerd C. de Vries Nov 18 '12 at 12:10
I'm sorry for not using the brackets, i couldn't just copy paste my code since it crashed. If you right click on the picture you can select graphics inspector and with graphics inspector you can change the line thickness but in my case it crashed. I got a runtime error and the error log said that {1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,1} is not an exspected array6 – user1792605 Nov 18 '12 at 12:26
I've been using v8 for too long, but from the mists of my memory I seem to remember that in v7 it used to be called a Graphics Inspector indeed. – Sjoerd C. de Vries Nov 18 '12 at 12:32
You could try EdgeRenderingFunction to programmetically set edge thickness. – Sjoerd C. de Vries Nov 18 '12 at 12:33

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