> Ammar Yasir a écrit :
>>
>>
>> On Tue, Mar 22, 2011 at 11:24 PM, Marc Delisle <
marc@infomarc.info
>> <mailto:
marc@infomarc.info>> wrote:
>>
>> Ammar Yasir a écrit :
>>
>> > May I ask what quality aspect should this system focus on. It
>> should be
>> > correct, but what about trade off between system response time and
>> > functionality. Like for example, Zooming feature. Should it be
>> like from
>> > 1X->2X or should the image magnify gradually. Since pchart will
>> produce
>> > static images, some of these issues will be faced while designing.
>>
>> I would prefer a gradual zoom but haven't made any research about how to
>> implement this. If pChart is not the best tool for this, you can look
>> for a better one. The other day I mentionned pChart because we are
>> currently using it (in phpMyAdmin 3.4) for static charts.
>>
>> So, is it like we can use any type of zoom but whenever the number of
>> points in the screen fall below a certain number, we show labels?
>
> I think it's more when the user ceases to see big clusters of data
> points and is able to perceive the distinct points.
>
>>
>> Also, I think in pChart its not very straight forward to implement
>> clickable items(click data points to view data row). We would have to
>> use CSS with overlaid items.
>>
>>
>>
>> OTOH if there is no open tool for a gradual zoom (web), going in
>> increments (say, with buttons) will be fine.
>>
>> I also have never implemented such but I found something on the net,
>>
http://www.cssplay.co.uk/menu/image_magnifier2.html . I'll try to look
>> for something like this.
>