It's a bug.
The scaling routine is designed to have approximately 10 increments along
the y-axis. Unfortunately, to pick a nominal tick interval, it divides the
actual y-minimum and -maximum by 10, instead of the values you gave (28.6
and 30.6).
The next release will be more flexible in how it picks y axis increments.
In the meantime, try this patch:
diff --git a/bin/weeplot/utilities.py b/bin/weeplot/utilities.py
index 3d6f400..e3b215e 100644
--- a/bin/weeplot/utilities.py
+++ b/bin/weeplot/utilities.py
@@ -73,7 +73,10 @@
else :
fmx = fmn + .01*abs(fmn)
- frange = fmx - fmn
+ if minscale is not None and maxscale is not None:
+ frange = maxscale - minscale
+ else:
+ frange = fmx - fmn
steps = frange / nsteps
mag = math.floor(math.log10(steps))
-tk
On Mon, Apr 17, 2017 at 9:34 AM, Alec Bennett <[email protected]> wrote:
> I'm trying to set a fixed Y scale for a graph of barometric pressure but
> have trouble. Here's my config for that section:
>
> [[[daybarometer-avg]]]
>
> yscale = 28.6, 30.6, None # using max low and high on record
> for the area
>
> [[[[barometer]]]]
> aggregate_type = avg
> aggregate_interval = 3600
> line_gap_fraction = 1.0
> color = "#002f80"
>
>
> That produces the attached graph though.
>
> Without the yscale parameter it correctly auto scales the Y scale, but I'm
> trying to use a fixed y scale.
>
> Any tips?
>
>
>
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