<br><br><div class="gmail_quote">On Wed, Mar 23, 2011 at 1:01 AM, Piotr Przybylski <span dir="ltr"><<a href="mailto:piotr.prz@gmail.com">piotr.prz@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
2011/3/22 Marc Delisle <<a href="mailto:marc@infomarc.info">marc@infomarc.info</a>>:<br>
<div><div></div><div class="h5">> Ammar Yasir a écrit :<br>
>><br>
>><br>
>> On Tue, Mar 22, 2011 at 11:24 PM, Marc Delisle <<a href="mailto:marc@infomarc.info">marc@infomarc.info</a><br>
>> <mailto:<a href="mailto:marc@infomarc.info">marc@infomarc.info</a>>> wrote:<br>
>><br>
>> Ammar Yasir a écrit :<br>
>><br>
>> > May I ask what quality aspect should this system focus on. It<br>
>> should be<br>
>> > correct, but what about trade off between system response time and<br>
>> > functionality. Like for example, Zooming feature. Should it be<br>
>> like from<br>
>> > 1X->2X or should the image magnify gradually. Since pchart will<br>
>> produce<br>
>> > static images, some of these issues will be faced while designing.<br>
>><br>
>> I would prefer a gradual zoom but haven't made any research about how to<br>
>> implement this. If pChart is not the best tool for this, you can look<br>
>> for a better one. The other day I mentionned pChart because we are<br>
>> currently using it (in phpMyAdmin 3.4) for static charts.<br>
>><br>
>> So, is it like we can use any type of zoom but whenever the number of<br>
>> points in the screen fall below a certain number, we show labels?<br>
><br>
> I think it's more when the user ceases to see big clusters of data<br>
> points and is able to perceive the distinct points.<br>
><br>
>><br>
>> Also, I think in pChart its not very straight forward to implement<br>
>> clickable items(click data points to view data row). We would have to<br>
>> use CSS with overlaid items.<br>
>><br>
>><br>
>><br>
>> OTOH if there is no open tool for a gradual zoom (web), going in<br>
>> increments (say, with buttons) will be fine.<br>
>><br>
>> I also have never implemented such but I found something on the net,<br>
>> <a href="http://www.cssplay.co.uk/menu/image_magnifier2.html" target="_blank">http://www.cssplay.co.uk/menu/image_magnifier2.html</a> . I'll try to look<br>
>> for something like this.<br>
><br>
<br>
</div></div>Maybe SVG? Vector output would give users faster feedback (no need to<br>
generate big bitmaps on the server and send them) and allow for fluent<br>
scaling in browser. Recently even IE got native support, with the<br>
release of IE 9.<br>
<br></blockquote><div>What about JpGraph?<br> </div><blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
--<br>
<font color="#888888">Piotr Przybylski<br>
</font><div><div></div><div class="h5"><br>
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