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different colors for different bar in a bar chart graph

brijesh.ba...@gmail.com (brijesh) — Wed, 16 Jul 2008 10:14:56 UT

hi
i am using plotkit for drawing a bar graph.Inside bar graph i assign
different colors for bar.
please give me a idea for how to develop this thing.

My code is:
<script>
function drawGraph1(){

var options={"IECanvasHTC": "/plotkit/iecanvas.htc",

"colorScheme":

Re: Strip chart and plotkit

cederb...@gmail.com (Per Cederberg) — Sun, 29 Jun 2008 07:01:27 UT

The labels are not actually placed in the canvas (since canvas doesn't
support text), but instead as absolutely positioned div elements above
it.
Looking at the canvas.js code, it looks like all the generated divs
are removed in the clear() method. But perhaps you could try with a
bit of Firebug debugging to see what happens?

Re: Strip chart and plotkit

cwoloszyn...@gmail.com (Charlie) — Sun, 29 Jun 2008 01:45:12 UT

Nevermind on this question. I did a plotter.clear() on a new
instance that was connected to the same canvas. Once I reused the
original plotter, it worked fine.

Line with and origin for graph

cwoloszyn...@gmail.com (Charlie) — Sun, 29 Jun 2008 01:47:43 UT

I am trying to use a line graph, and I have the data start at 1, then
replaced the dataset with data starting at 2, then 3, ....

The line however always starts with a point at 0,0.

I'm hoping someone can give me a hint on how I might be using plotkit
wrong to get this behavior. Any and all suggestions and comments

Strip chart and plotkit

cwoloszyn...@gmail.com (Charlie) — Fri, 27 Jun 2008 20:09:44 UT

I am looking to create a strip-chart (history of ping times to a node)
using plotkit.

It is mostly working, but the y-labels look strange.

On load, I have a simple line chart that I re-draw into the same
canvas every second.

I use plotter.clear() to clear the plot before doing the next
render(). [This does not seem necessary but it is there].

Re: PlotKit doubts (mouseover, line chart, label)

cederb...@gmail.com (Per Cederberg) — Tue, 17 Jun 2008 21:00:19 UT

1. Don't think PlotKit has mouseover implemented yet. At least not
when using canvas.
2. Think it was the 'shouldFill' renderer option.
3. Not supported.
Good thing that the sources are available so that you can fix it
yourself. If you're using Git, I'll gladly accept any patches to my
PlotKit patchset at

PlotKit doubts (mouseover, line chart, label)

sanjeetsa...@gmail.com (sanjeetsanju@gmail.com) — Tue, 17 Jun 2008 11:34:44 UT

Hi all,
I am using turbogears plotkit application for display graph.

1. I want to display the value corresponding to each bar in a bar
chart on mouseover. How can I do this. (In Plotkit_packed.js I found
some functions corresponding to onmouseover and all, so I guess it is
supported.).

2. In Line chart how can I display a line only (I want to remove the

Re: Patches for PlotKit in public repository

alast...@liquidx.net — Mon, 09 Jun 2008 20:37:22 UT

hi per,
Sorry for being quite unrespinsive for the last two months. I've been very busy.
If you're interested in helping push plotkit forward, I can add you as
a member of the project. Let me know and I'll sort something out.
Cheers
Alastair

Patches for PlotKit in public repository

cederb...@gmail.com (Per Cederberg) — Sun, 25 May 2008 21:32:51 UT

While using PlotKit, I've run across a few issues and missing
functions. So I decided to round up all my patches and put them into a
public repository:

[link]

I'm hoping this work can go into future versions of PlotKit, but have
not been successful in contacting Alastair so far.

Re: Transparent Fill Colors

jmcgu...@occamnetworks.com (James) — Wed, 30 Apr 2008 22:09:17 UT

Answered my own question, add:
context.globalAlpha = .7;
right after line 195 in SweetCanvas.js. You can change the value of
globalAlpha to control the transparency...

James

Transparent Fill Colors

jmcgu...@occamnetworks.com (James) — Tue, 29 Apr 2008 22:02:44 UT

Hi,
Is it possible to use transparent fill colors - say I want a
background color to 25% transparent in case there is overlap?

Thanks,
James

specifying axis length

hellbun...@gmail.com (hellbunnie) — Wed, 16 Apr 2008 16:05:03 UT

Hi there,

I was wondering if there's a way to specify the length of the x or y
axes in a graph, by default the graph axes resize to the length of the
highest point on that axis, but I'd like to display, for example, a
barchart of percentage values on an axis that goes up to 100, even
though none of the data points is 100%.

There is a way to set the order of pie chart gradients?

anad...@gmail.com (Albert Nadal Garriga) — Thu, 03 Apr 2008 07:26:47 UT

I am developing an rss aggregator web site that uses plotkit pie
charts, you can see the site at [link] . The problem
is that the charts gradient (not values) portions are not shown sorted
from lightest to darkness.

The question is how can I set the order of the gradients inside a pie

Vote for Canvas Tag Support in IE8

gregory.hous...@gmail.com (Greg) — Mon, 24 Mar 2008 01:01:18 UT

Hi,

Please consider joining Microsoft Connect and the Internet Explorer
Beta Feedback program in particular in order to vote for <canvas> tag
support in IE8.

Microsoft Connect
[link]

Internet Explorer Beta Feedback
After signing up to Connect, go to the following page, scroll down to