Please post in English only.
Anyway, this is a question about image charts, whose forum is
here<http://groups.google.com/group/google-chart-api>.
This forum is about the visualization API for interactive charts.

On Wed, Feb 29, 2012 at 2:28 PM, Claudio Saldaña
<[email protected]>wrote:

> Estimados, soy nuevo en el uso de las graficas de google.
> tengo un grafico con el siguiente formato:
>
>
> http://chart.apis.google.com/chart
>   ?chxr=0,-45,100
>   &chxs=0,676767,12.5,0,l,676767|1,676767,10.5,0,l,676767
>   &chxt=y,x
>   &chs=440x220
>   &cht=lc
>   &chco=3072F3,FF0000,FF9900
>   &chds=-40,100,-40,100,-40,100
>   &chd=t:20,30,-40,50,60,80|20,10,22,4,-25,65|27,51,38,40,-10,50
>   &chdl=Ponies|Unicorns|tercero
>   &chls=2|2|2
>   &chma=5,5,5,25
>   &chm=o,0000FF,0,-1,6,1|o,FF0000,1,-1,7,1|o,FF9900,2,-1,7,1
>
> Tengo 6 columnas fijas en el eje X.
> El problema es que quiero omitir del grafico los valores nulos
> (omision de datos). Intente colocandole "_" pero en el &chd me asigna
> "-1" por lo que ese punto se refleja en el grafico pero yo no quiero
> que grafique el "-1"
>
> Por favor ayuda
> No se trabajar con los JS o HTML ya que estoy programando bajo Genexus.
>
> Claudio Saldaña Yáñez
>
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