This is a discussion on FSC_color and loadct clashing - Idl-pvwave ; Hi, I've spent some time today making contour plots. Huge thanks for David Fanning for his routines. I have struck a problem! I really want my contour plot to have the Hue Sat Lightness (loadCT, 20) colours, but I want ...
FSC_color and loadct clashing Hi,
I've spent some time today making contour plots.
Huge thanks for David Fanning for his routines.
I have struck a problem! I really want my contour plot to have the Hue
Sat Lightness (loadCT, 20) colours, but I want a black set of axes
inclusive of colorbar. Currently running windows and plotting to
screen, but need to plot to 'x' and 'ps' also.
Thus, my code has:
; getting contours sorted
levels = 25
step = (maxz - minz) / levels
userLevels = IndGen(levels) * step + minz
loadct, 20
black = FSC_Colors('black')
device, decomposed = 0
Window, 0, Title='Display Output', XSize=800, YSize=600
Contour, powerspec, x, y, /Fill, Position=[0.07, 0.1, 0.9, 0.90], $
Levels=userLevels, yrange = [0, 1], zrange = [minz, maxz], xrange =
[0, max(x)], $
xstyle = 1, ytitle = 'Frequency (Hz)', xtitle = 'Time', color = black
colorbar, Title='Power (dB)', Range=[minz,maxz], vertical = 1, $
Position = [0.92, 0.1, 0.94, 0.9], right = 1, divisions = 4, color =
black
The problem is, there's a black line through my colorbar at the
equivalent of black (in this case green) for color table 20. If I
reverse the loadct and FSC_color commands, everything gets wrapped in
a green box.
Any idea how I can make my axes & labels black without getting a black
line through my colorbar?
Thanks.
Russell.
Re: FSC_color and loadct clashing Isn't this one of those situations where you reserve a color or two at
the end of the color scale, make one of those colors be black and then
use that index (which is then something >= than !d.table_size) for
your axes? If you want to frame your colorbar in a color that does
not show up in the colorbar, then you will need to access a color
which is not found in the colorbar.
-Kevin
Re: FSC_color and loadct clashing russell.grew@gmail.com writes:
> I've spent some time today making contour plots.
>
> Huge thanks for David Fanning for his routines.
>
> I have struck a problem! I really want my contour plot to have the Hue
> Sat Lightness (loadCT, 20) colours, but I want a black set of axes
> inclusive of colorbar. Currently running windows and plotting to
> screen, but need to plot to 'x' and 'ps' also.
This article should explain it for you:
http://www.dfanning.com/color_tips/lineinct.html
But, really, with a contour plot like this, you should
only be loading the contour colors into 25 slots in
the color table:
LoadCT, 20, Colors=25, Bottom=1
and later:
Contor, C_Colors=Indgen(25)+1, ...
Colorbar, NColors=25, Bottom=1, ...
Here is an article that explains why:
http://www.dfanning.com/tips/contour_hole.html
Cheers,
David
--
David Fanning, Ph.D.
Fanning Software Consulting, Inc.
Coyote's Guide to IDL Programming: http://www.dfanning.com/
Sepore ma de ni thui. ("Perhaps thou speakest truth.")
Re: FSC_color and loadct clashing Thanks David.
Its working now.
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