Template::Plugin::GD - drawing graph

AC · Aug 15, 2006

Hi

There's probably a very trivial answer to my question but I just can't
find it.
I'm trying to incorporate a line graph into a webpage by:

<html>
<body>
<table> ....</table>
[%
FILTER null;
USE im = GD.Graph.lines();
...
...
im.plot(data).png | stdout(1);
END;
%]
</body>
</html>

-----------------------
-- Problem: --
-----------------------
When using stdout(1):
* webpage content: will not show
* graph: will show

Without using the stdout(1):
* webpage content: will show
* graph: will not show

Is there a way of making both the webpage content and graph visible?

Thanks
AC

Ben Morrow · Aug 16, 2006

Quoth "AC said:
Hi

There's probably a very trivial answer to my question but I just can't
find it.
I'm trying to incorporate a line graph into a webpage by:

<html>
<body>
<table> ....</table>
[%
FILTER null;
USE im = GD.Graph.lines();
...
...
im.plot(data).png | stdout(1);
END;
%]

You need to take a step back and learn how HTML works. The image has to
be available at a separate URL that you then reference in the HTML page.
In principle you can include in inline with the data: URI scheme, but
this is not widely supported in browsers (for which read IE).

</body>
</html>

Because you have an invalid HTML page with a whole lot of binary data in
the middle of it.

Without using the stdout(1):
* webpage content: will show
* graph: will not show

Because you have a valid HTML page and the output has gone nowhere.

Is there a way of making both the webpage content and graph visible?

You need two template files, or one that accepts some sort of parameter.

Ben

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Template::Plugin::GD - drawing graph

AC

Ben Morrow

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