Hi Prasad,
This probably won't help you, as these are are custom VelocityMacros we
include in our system. (an online simulation engine called Forio Broadcast).
The source is not available, but the macros are fairly simple. (they just
translate names of variables into a img tag with a long URL). Really,
they're just a convenience.
Still, if you're interested you can read our documentation. Revenue and
Costs are simulation variables specific to our particular system
(basically, they are a series of double values arrayed over time).
http://www.forio.com/broadcastdocs/creating_interfaces/how_to_create_graphs.htm
For more info on Velocity macros, read the Velocity docs.
http://jakarta.apache.org/velocity/user-guide.html#Velocimacros
For more info on how to create your own graph servlet, you'll have to read
the docs of the third-party graphing library you end up choosing.
WILL
- Original Message -
From: prasad neo [EMAIL PROTECTED]
To: Velocity Users List velocity-user@jakarta.apache.org
Sent: Monday, February 14, 2005 11:44 PM
Subject: Re: graphs using velocity
how to build these varibles revenue and Costs. what
is its datatype.
Is there any documentation for these macros if it
is then please send me links.
--- Will Glass-Husain [EMAIL PROTECTED] wrote:
PS. One nice way Velocity can help with graphs is
through macros. If you
end up with a long complicated img url to generate
a graph, abstract this
with a macro. Our Velocity-based system has a
number of graph related
macros.
http://www.forio.com/broadcastdocs/creating_interfaces/how_to_create_graphs.htm
For example, in our system the macro
#LineGraph ([Revenue, Costs] 400 300)
generates the text
img
src=graph?FD_rand=1861FD_graph=1VariableName=RevenueVariableName=CostsWidth=400Height=300
width=400 height=300
which instructs our custom-written graph servlet to
generate a graph of the
variables revenue and costs over time (in a GIF
image sized 400x300).
Best,
WILL
- Original Message -
From: prasad neo [EMAIL PROTECTED]
To: Velocity Users List
velocity-user@jakarta.apache.org
Sent: Monday, February 14, 2005 11:15 PM
Subject: Re: graphs using velocity
thanks Will Glass-Husain.
I will try jfree tool.
ok bye
--- Will Glass-Husain [EMAIL PROTECTED] wrote:
Hi,
I have a Velocity based web application that
includes graphs. I don't use
velocity to generate graphs, I use a third party
graphing app. My web page
includes a img tag with a special URL which
displays
a JPEG or GIF graph.
There's a couple of different libraries that can
generate the graphs. You
might try JFreeChart if you're looking for a free
library. Personally, I
really like the commercial but inexpensive
package
KavaCharts (includes both
server and client side components). There's also
a
number of much more
expensive server-side tools.
WILL
- Original Message -
From: prasad neo [EMAIL PROTECTED]
To: Velocity Users List
velocity-user@jakarta.apache.org; Shinobu
Kawai [EMAIL PROTECTED]
Sent: Monday, February 14, 2005 10:53 PM
Subject: graphs using velocity
Hii all
Can anybody tell me way to generate
graphs
using velocity.
In my project i need to generate all
types
of
graphs using my database I am using Turbine
framework
and torque for database and velocity as
template
engine.
so please help me
--- Shinobu Kawai [EMAIL PROTECTED]
wrote:
Hi Nathan,
no, i don't think it's documented
anywhere.
any good idea for where
such a note should go?
I would definitely want one in the VVS
javadoc
and/or view tool top
page.
wanna make a patch? :)
I'll file a bugzilla issue for you. ;)
## I'll make the patch if I have some extra
time.
Would it be comfortable in the Velocity
developer
guide?
i dunno, but certainly not unless/until the
VVS
makes it in there too.
Figured you would say that. :)
Best regards,
-- Shinobu
--
Shinobu Kawai [EMAIL PROTECTED]
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