Seems like a good idea for the wish list Dirk.

‘Panorama’ seems like the wrong word to me however.

Conceptually, what you describe would compliment the ‘surface’ statements we already have in Therion.

In layouts we already have;

surface [top|bottom|off] that is only really relevant to layouts used with plan projections.

What you describe would be the natural extension to a projected elevation context.

So for elevations, your elevation-panorama [on|off] would be surface [top|bottom|off] (ie do the surface profile drawing layers display over or beneath the cave drawing), and elevation-panorama grid would be surface grid.

As you suggest, some way of defining the grid spacing and or a profile trail would be required.

If I were to use such a feature I would probably want to define sets of way-points that I could call up at will.

I could imagine using them for extended elevations as well.  In that case one would need to be able to set the profile to ‘extend left’ or ‘extend right’, as, like extended centerlines themselves, the shape of the surface becomes an artistic endeavor.

Bruce

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From: therion-bounces@speleo.sk [mailto:therion-bounces@speleo.sk] On Behalf Of Dirk Peinelt
Sent: Friday, 15 May 2015 3:29 a.m.
To: therion@speleo.sk
Subject: [Therion] Idea: elevation projection surface panorama

Hi mappers!

I‘ve an idea for a new Therion-feature.

The feature affects only the elevation view, in a stated view direction.

The target is, to get a map with a elevation projection and a reference to the surface.

If a surface is integrated in the project, it could be used to generate automatically a surface-panorama from the surface point-cloud, on the basis of the elevation-view-direction. And this could be printed to the elevation map.

(like http://www.viewfinderpanoramas.org/panoramas.html)

With an layout option should it be controlled: e.g.:

elevation-panorama on|grid|off

off:

no surface panorama (default)

on:

One panorama piece, calculated from view direction and the middled object extension.

Or serval panorama pieces, one per entrance reference or/and the panorama was calculated by topographic prominence in the integrated surface.

(http://en.wikipedia.org/wiki/Topographic_prominence)

grid:

serval panoramas (each calculated on the grid value, opaque on top of each other)

Optional:

With a waypointlist in the surface block could be peak’s or other interessts marked.

Or with a new fixed station flag, e.g. „peak“.

This would be a nice feature.

Is this possible? Or absolutely utopistic?

//dirk