Sorry, I read the question too fast.
I guess this is what you are looking for:

-=-=-=-=-=-=-=-=
| chart |

chart := GETDiagramBuilder new.
chart verticalBarDiagram 
models: ($a to: $z); 
y: #asInteger;
regularAxis;
height: 200.

chart open.

"We use the same model elements"
($a to: $z) do: [ :value | 
| bar label |
"We define a label, and add it to the view"
label := ROLabel elementOn: value asString.
chart rawView add: label.

"We get the bar, the gray element that grows up"
bar := chart rawView elementFromModel: value.

"Move the label below its corresponding bar"
ROConstraint move: label below: bar ].

"Inserting high level labels"
chart rawView add: ((ROLabel red elementOn: 'Chart about my life') translateBy: 200 @ 0).
chart rawView add: ((ROLabel elementOn: 'Happiness') translateBy: -30 @ -40).
chart rawView add: ((ROLabel elementOn: 'Passing days') translateBy: 650 @ 210)
-=-=-=-=-=-=-=-=


http://stackoverflow.com/questions/18831437/graph-et-x-axis-labels/

I know this has a lot of manual action. GraphET will get better over the time

Cheers,
Alexandre


On Sep 17, 2013, at 11:35 AM, Alexandre Bergel <alexandre.bergel@me.com> wrote:

Hi Natalia,

Daniel, the author of GraphET is currently on holidays. He will be back very soon.

In the meantime, it is easy to add it manually. Consider the example:

-=-=-=-=-=-=-=-=-=-=
chart verticalBarDiagram 
models: (1 to: 20);
regularAxis;
height: 200.

chart rawView add: ((ROLabel red elementOn: 'Chart about my life') translateBy: 200 @ 0).
chart rawView add: ((ROLabel elementOn: 'Happiness') translateBy: -30 @ -40).
chart rawView add: ((ROLabel elementOn: 'Passing days') translateBy: 430 @ 210)
-=-=-=-=-=-=-=-=-=-=

The screenshot illustrates the result. 

Alexandre

<Screen Shot 2013-09-17 at 11.32.24 AM.png>
On Sep 16, 2013, at 12:23 PM, Natalia Tymchuk <natalia.tymchuk@unikernel.net> wrote:

 Hello. 
Please help me with my question http://stackoverflow.com/questions/18831437/graph-et-x-axis-labels
Thanks. 
Best regards.
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_,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:
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-- 
_,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:
Alexandre Bergel  http://www.bergel.eu
^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;.