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how to generate bitmaps, contour maps and so on billgadget 06-11-2008
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Posted by billgadget on June 11, 2008, 5:11 pm
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 Can anyone offer some advice as to whether it would be feasible to
generate bitmaps images, such as geographic maps with data contours
and political boundaries drawn on top? I have a bunch of scientific
data (satellite derived AVHRR data to be precise) that I will be
importing into a MySQL database and would like to create a web
interface that allows the user to query the database and view the
results as data plotted out on a map. I probably will need to do
other sorts of scientific plotting as well.

Any suggestions would be most welcome. Thanks!

Posted by Trammel on June 11, 2008, 5:37 pm
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> Can anyone offer some advice as to whether it would be feasible to
> generate bitmaps images, such as geographic maps with data contours
> and political boundaries drawn on top? I have a bunch of scientific
> data (satellite derived AVHRR data to be precise) that I will be
> importing into a MySQL database and would like to create a web
> interface that allows the user to query the database and view the
> results as data plotted out on a map. I probably will need to do
> other sorts of scientific plotting as well.
>
> Any suggestions would be most welcome. Thanks!

http://uk2.php.net/imagecreatetruecolor



Posted by Iván Sánchez on June 11, 2008, 8:43 pm
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billgadget wrote:

> [...] I have a bunch of scientific data (satellite derived AVHRR data to
> be precise) that I will be importing into a MySQL database and would like
> to create a web interface that allows the user to query the database and
> view the results as data plotted out on a map. I probably will need to do
> other sorts of scientific plotting as well.
>
> Any suggestions would be most welcome. Thanks!

I'd probably opt for the full-fledged solution: OpenLayers as the front-end,
Mapnik as the rendering engine, apache2+mod_tile for quick image serving &
caching, spatial-enabled MySQL as the back-end.

<disclaimer>I collaborate on OpenStreetMap, and that's the kind of
infrastructure the project uses.</disclaimer>

I suggest you to research a bit on those topics.

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Iván Sánchez Ortega -ivansanchez-algarroba-escomposlinux-punto-org-

MSN:i_eat_s_p_a_m_for_breakfast@hotmail.com
Jabber:ivansanchez@jabber.org ; ivansanchez@kdetalk.net

Posted by GuangXiN on June 12, 2008, 3:09 am
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billgadget wrote:
> Can anyone offer some advice as to whether it would be feasible to
> generate bitmaps images, such as geographic maps with data contours
> and political boundaries drawn on top? I have a bunch of scientific
> data (satellite derived AVHRR data to be precise) that I will be
> importing into a MySQL database and would like to create a web
> interface that allows the user to query the database and view the
> results as data plotted out on a map. I probably will need to do
> other sorts of scientific plotting as well.
>
> Any suggestions would be most welcome. Thanks!
PHP can use gd library to create/import/output images.
But it may not be a good way for your using case.

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