Shape Style/Show Diam

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george@umn.edu
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Shape Style/Show Diam

Post by george@umn.edu » Wed Sep 09, 2015 11:45 am

When I turn on Show Diam in Mac OS 10.10.5, the dendrites and axon become thin & discontinuous rather than getting fatter as they do on Windows. Is there a fix for this?

ted
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Re: Shape Style/Show Diam

Post by ted » Wed Sep 09, 2015 10:09 pm

george@umn.edu wrote:the dendrites and axon become thin & discontinuous
"show diam" does this when the zoom level is such that narrow diameters map to a fraction of a pixel. Print the image to a PostScript or Idraw file, then convert that into a PDF and, if the conversion uses antialiasing, very thin neurites should (might?) show up as grey traces.
rather than getting fatter as they do on Windows. Is there a fix for this?
Run NEURON under MSWin on your Mac.

"Nah, that defeats the purpose of having a Mac. Can't I change the length/diameter ratios in Shape and PlotShape graphs by scaling up all diameters by some constant, e.g. maybe 5 or 10?"

No, but you can change the length/diameter ratios by making Shape or PlotShape graphs scale all lengths down by a multiplicative factor like 0.2 or 0.1. Read the Programmer's Reference entry about the Shape class's len_scale method.

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