Column height not matching x-axis values

[Peter]

I'm trying to create a chart where I can show the amount of people in
a certain age.

So there are 5 people in age of 25, 10 in age of 30 etc.
Check out this image:
http://chart.apis.google.com/chart?cht=bvo&chbh=20,10,0&chs=400x200&chxt=x,y&chd=t:5,10,23,2&chxl=0:|25|30|35|40&chxr=1,6,30

However, the column height does not match with the values on the x-
axis....what am I doing wrong?

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[Peter]

Fixed it: had to add &chxr=1,0,80,10
Total: /chart?cht=bvo&chbh=20,10,0&chs=400x200&chxt=x,y&chd=t:
5,10,23,2&chxl=0:|25|30|35|40&chxr=1,0,80,10

On May 3, 4:47 pm, Peter <floranfe...@gmail.com> wrote:
> I'm trying to create a chart where I can show the amount of people in
> a certain age.
>
> So there are 5 people in age of 25, 10 in age of 30 etc.

> Check out this image:http://chart.apis.google.com/chart?cht=bvo&chbh=20,10,0&chs=400x200&c...25|30|35|40&chxr=1,6,30

[KeithB]

Peter,

Your second chart is better, but still not correct. Read the entire
"Data Scaling and Axis Scaling" section of the documentation @
http://code.google.com/apis/chart/docs/data_formats.html#scaled_values

Key points:
- Data is scaled to fit the format range: you're using the basic text
format -- Format range: 0—100
- Axis label range is calculated independently: you modified the y-
axis label range to fit your data -- this is not ideal

The fix is to use use text format with scaling:
http://code.google.com/apis/chart/docs/data_formats.html#data_scaling

Here's a chart with the y-axis ranging from 0 to 30 (chxr=1,0,30) and
text scaling specified to match (chds=0,30):
http://chart.apis.google.com/chart?cht=bvo&chbh=20,10,0&chs=400x200&chxt=x,y&chd=t:5,10,23,2&chxl=0:|25|30|35|40&chxr=1,0,30&chds=0,30

Hope that helps,
Keith