[Therion] labelling grids (and label orientation)

[Bruce Mutton]

grid-coords border
Have had quite a play with "grid-coords border", and they work well on
projections, but not so well with plan views. 

With my grids 100mm apart (100m @ 1:1000) I have to have quite large overlap
values (typically 6 - 9 cm) to encompass the outermost grids.  This I can
live with I guess, but it can mean that my map will not fit on a standard
paper roll width.

If the 'rotate' value is other than 000 (north up page) then only the values
are displayed where the grid outline falls within the page.

I wonder if the behaviour could be changed so that the co-ords are plotted
along the PAGE outline rather than along the GRID outline.  This way they
would be plotted regardless of the overlap and rotate values.

Also, perhaps rather than plotting co-ordinate pairs on the east-west grids,
maybe plotting the eastings on the north-south grids and the northings on
the east-west grids would be more intuitive for users of the map.

labels
And researching this, I noticed that not only do the text labels not survive
changes of output scale very well, but changes of output map 'rotate' value
really screws them up.  Ultimately I'd like to print the components of the
cave system I'm working on in at least two orientations.  I realise that
this presents some conceptual layout problems that the user will always have
to deal with, regardless of whether software or paper is the drawing medium,
but perhaps Therion could ultimately be made to help out?

Perhaps all point labels without 'orientation' could be given a default
orientation within the layout definition.  (Maybe this exists already?) At
the moment I think the default is, orientate text to be read from the
'bottom' of the page (directly linked to the 'rotate' variable I think)
What if there was another alternative, say, make the label orientation
relative to the map grid?  There could be a label-flip [on/off] to make
labels flip up the correct way if they happen to be plotted upside down.

For now I guess I could use point labels with orientation, or line labels to
achieve similar results.

Enough! My brain is beginning to hurt.

Bruce


From: therion-bounces at speleo.sk [mailto:therion-bounces at speleo.sk] On Behalf
Of Stacho Mudrak
Sent: Thursday, 17 April 2008 8:28 p.m.

This is probably because your grid border is behind paper margin. Try
to set bigger layout overlap.
Regards, S.

On Thu, Apr 17, 2008 at 12:04 AM, Bruce Mutton
<bruce.mutton at paradise.net.nz> wrote:
> ...but before you go caving Stacho,
>  The following code;
>    grid-coords all
>
>  works very nicely, but the next seems to produce no output
>    grid-coords border
>
>  Could it be that the border co-ordinates are hidden on my exported maps
>  because of some other setting?
>
>  Bruce