[ncl-talk] Issue with bounding boxes

[Mary Haley]

Alyce,

In order to draw a multiple set of plots using three different calls to
gsn_panel, and keeping the plots the same size, it is important that each
set of plots is drawn to the same size area on the unit square.

I see that you are already setting gsnPanelTop and gsnPanelBottom, which is
a good start.  These need to each be set to a third of the canvas, however.

Once you do this, however, the plots are going to run into each other
because two of your rows have labelbars and one row doesn't.  This is where
gsnPanelYF comes in. It allows you to tweak the Y position of each plot.

I created a new example to demonstrate this, and I roughly based it on the
image you sent. Please see panel_38.ncl at:

http://www.ncl.ucar.edu/Applications/panel.shtml#ex38

--Mary


On Wed, Mar 16, 2016 at 10:50 PM, Alyce Sala Tenna <alsalte at gmail.com>
wrote:

> Hi there,
>
> I'm having trouble creating unity for my 3 panel plots.
> Somewhere between having no label bar for the first panel, and adding one
> in the second, the label bar reduces the second panel entirely, then
> expands again on the third panel.
> I've attached the script, do you think there are there any other
> measurements I should consider adding into the plot, or other options so I
> have evenly spaced rows?
> I think between lines 218 - 248 is where the issue lies.
>
> Many thanks in advance for your help.
> Regards
> Alyce
>
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