Thank you for the information on the CHM parameter. I wish the chart
API had documentation in a reference format, showing all the chm
parameter descriptions in one place. I saw the first chm description
for mixed bar and line charts, but did not read to the extra
descriptions for horizontal line.


I have another issue with the bars. The horizontal bar is perfect and
only needed color transparency and adjustment to the proper Y value.

However, the second (diagonal) line I want to follow an "invisible"
data set. For the following graph, it should graph a line for data set
4. In short, it should graph a line from Cs to 95 (extended coding).
Shown below, data set 4 is part of the stacked bar graph, when I want
it to be a separate entity (should start at the base instead of the
next stack). The blue diagonal line should start at the bottom of the
chart.


http://chart.apis.google.com/chart?
chs=600x500
&cht=bvs
&chco=000000,FF0000,00FF00,0000FF,00000000
&chbh=a
&chxt=x,y
&chdl=Sales|Contract%20Inv|Demand|Non-Contract%20Inv
&chtt=Sales+vs+forecast,+3/2004+in+millions
&chxr=1,0,20
&chl=1|2|3|4|5|8|9|10|11|12|15|16|17|18|19|22|23|24|25|26|29|30|31
&chd=e:BwENFpItKtOGQ7TTVyXwbme3gAi-
rSpUt2v8yT0P386N90,ALAaAkA3BEBaBsB7CLCYCwDFDMDfEVEIElEyFBFOFmF0GL,v7tusbprn4k0iSgId6cIYrVvUtSCKjMVIQGXEPCf______,ABACADAFAGAJAKAMANAPARATAUAWAbAaAdAeAgAhAjAlAn,CsFYIEKwNdQJS1VhYOa6dmgSi.lroXrDtvwczI104g7N95
&chm=D,0033FF88,4,0,5,1|h,FF000088,0,.9674,3,1


Thanks,
Loyd


On Jan 24, 9:48 am, mickaxl <[email protected]> wrote:
> Not sure if this is exactly what you need but add this to your chart
>
> &chm=D,0033FF,1,0,5,1|h,FF0000,0,0.8,4,1
>
> the first (D,0033FF,1,0,5,1) gives a blue line following the trail of
> your data bottom left to top right and the second (h,FF0000,0,0.8,4,1)
> gives a red line across the top of the data.  Two issues seem to be
> that first you have to manually adjust the horizontal line (shape
> marker) position until uoi get it where you want it to be and second
> the null values in your data cause a break in the blue line every now
> and then.
>
> Broader issue is that chm is used for a number of different types of
> things in the API which can lead to uncertain results especially if
> you code it as &chm=........&chm=....... but if you put them together
> as one chm parameter as the above then it often resolves correctly.
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