Thanks for help!
During the time when I was trying to understand how to populate a chart model, I had the impression that charts need an instance of Collection to work properly. You used a specie of Collection too in your example, so it seems that I was correct in my supposition. I tried use an instance of Set to populate a model but I was not able to get a result, only when I choose an instance of OrderedCollection i was able to construct the chart.

Take advantage of your example, I would like to know how increases the space between the bars of a vertical bar chart. When there is many data to show, the bar diminish and when I try increase the size of a bar, all bars gets united and the visualization gets bad,

On 30 November 2011 12:05, Tudor Girba-2 [via Smalltalk] <[hidden email]> wrote:

Hi,

Here is a simple example:
chart := ESDiagramRenderer new.
chart verticalBarDiagram
y: [:eachAssociation | eachAssociation value];
identifier: [:eachAssociation | eachAssociation key];
regularAxis;
models: {'a'->3 . 'b'->30 . 'c'->12}.
chart open

The input is the collection of association. For each entry, you will
get a bar, where the size of the bar is provided by executing the y
block, and the label associated with the bar will be provided by
executing the identifier block.

If you give us more details, we can probably help more.

Cheers,
Doru

On Wed, Nov 30, 2011 at 2:58 PM, Andre Hora <[hidden email]> wrote:

> What is specifically your problem?
> To better understand EyeSee you can check the examples in ESExamples. They
> are very simple and intuitive.
> The model you pass to EyeSee is independent of "type of data". You can pass
> a MooseGroup, a collection, etc.
>
> 2011/11/30 Júlio Martins <[hidden email]>
>>

>> Hi!
>>
>> I need create a vertical bar chart with and I am having some difficulty to
>> deal of EyeSee technology.
>>
>> My great difficulty is populate the chart model with correct data that
>> will appear in my chart. I cannot understand what type of data this model
>> accept, for example I tryed to put an instance of MooseGroup, but it didn't
>> work.
>> I search for some help, but the only thing that i found was examples of
>> charts between classes of EyeSee, but this examples don't talk for itself
>> because it haven't any comments.
>>
>> Might someone help to understand better the EyeSee?
>>
>> Thanks in advance
>> Julio Martins
>>
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>
>
>
> --
> Andre Hora
>
>
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