[3dem] Surface projection maps.

Daniel Castano Diez daniel.castano at unibas.ch
Tue Feb 12 10:46:53 PST 2019

Hi Steinar,

For small volumes you can use the Dynamo command "dcoordinates", I wrote a small walkthrough for this:
https://wiki.dynamo.biozentrum.unibas.ch/w/index.php/Example_of_use_of_dcoordinates <https://wiki.dynamo.biozentrum.unibas.ch/w/index.php/Example_of_use_of_dcoordinates>

Hope it helps,

> On 12 Feb 2019, at 17:41, Steinar Halldorsson <steinar.halldorsson at crick.ac.uk> wrote:
> Hi all
> I would like to do something which I'm hoping that someone else has done before, or at least something similar and might have a solution to share.
> I have some raw tomograms of spherical-ish viral particles and I would like to create a flattened (projected) 2D image of the surface of a single virion. I'm thinking that it would be sort of like making a world map using the Mercator projection, i.e. projecting a sphere onto a cylinder and "rolling out" the cylinder. Ideally there would be a way to average several pixels in each direction to enhance the contrast in the tomogram.
> Has anyone seen something like this done in a publication or has even done something like this themselves?
> Best wishes,
> Steinar
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