[Phpmyadmin-devel] GIS visualization

Madhura Jayaratne madhura.cj at gmail.com
Thu Jun 2 14:35:51 CEST 2011


On Thu, Jun 2, 2011 at 1:32 PM, Tyron Madlener <tyronx at gmail.com> wrote:

> On Thu, Jun 2, 2011 at 4:27 AM, Madhura Jayaratne <madhura.cj at gmail.com>
> wrote:
> >
> >
> > On Thu, Jun 2, 2011 at 1:42 AM, Marc Delisle <marc at infomarc.info> wrote:
> >>
> >> Madhura Jayaratne a écrit :
> >> (...)
> >> >      >     Hi Ammar,
> >> >      >
> >> >      >     I'm not sure what exactly your requirement is. But pls have
> a
> >> >     look
> >> >      >     at the visualization of data at [1] by clicking on the
> >> > 'Visualize
> >> >      >     GIS data' link in the 'Query results operations' section
> >> >     towards the
> >> >      >     bottom of the page. Try out zooming by double clicking and
> >> >     panning
> >> >      >     by dragging. I believe you are looking for something like
> >> >     this for
> >> >      >     your zoom search feature.
> >> >
> >> >     Madhura,
> >> >
> >> >     I have issues operating panning and zooming. Here is the scenario:
> >> >
> >> >     1. Browse world_cities and click Visualize GIS data
> >> >     2. Click-drag: pans OK
> >> >     3. Double-click: this is a zoom out, I guess
> >> >     4. Click-drag: no panning
> >> >     5. Click "zoom out": data points are enlarging, isn't this a
> >> > zoom-in?
> >> >
> >> > Marc,
> >> >
> >> > This is a Firefox compatibility problem. Resolved and pushed to the
> >> > repo. Demo will take some time to upgrade to the new version.
> Meanwhile
> >> > if you have Chrome, you can still experience what it's suppose to do.
> >>
> >> Madhura,
> >> ok, panning and zooming are fine now.
> >>
> >> Is the saving feature ready? I tried to save in PNG and got a bunch of
> >> binary data on-screen.
> >>
> >> Saving in PDF generates
> >> Fatal error: Call to undefined method
> >> PMA_GIS_Visualization::toFileAsPdf() in
> >> /srv/http/
> pma.cihar.com/gsoc-madhura/libraries/gis_visualization.lib.php
> >> on line 161
> >>
> >> --
> >> Marc Delisle
> >> http://infomarc.info
> >>
> > Hi Marc,
> > In my previous mail to the group, I mentioned that this feature is not
> yet
> > ready. BTW, this is a feature which is to be delivered in the second half
> of
> > GSoC (after mid-term eval), according to the schedule. However I started
> > working on it, since it is very much related to what I've done so far. I
> > should be able to get it ready (for all 3 formats, SVG, PNG and PDF) by
> the
> > end of this week.
>
> Just in case I'm allowed to use Highcharts, could you make your
> conversion code generic enough so I could use it too? :)
> And just for your information, the current SVG converter of highcharts
> uses following post variables to a php file that calls a java tool
> (source is available btw):
>
>  * $tempName string The desired filename without extension
>  * $type string The MIME type for export.
>  * $width int The pixel width of the exported raster image. The height
> is calculated.
>  * $svg string The SVG source code to convert.
>
> Hi Tyron,

For my work I am not doing any conversions as such. I am generating SVGs and
PNG separately in their basic forms. It's not that I generate it in one form
and converting it to the other.

-- 
Thanks and Regards,

Madhura Jayaratne
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