[OpenLayers-Dev] new OpenLayers map viewer with custom components I´d like to share

geojoe jwolter at wisc.edu
Sat Nov 7 08:20:17 EST 2009

I have two or three database point layers that would like to refresh with a
custom refresh map control like I saw on your link. (only refresh it by when
clicking in a custom "dmaUpdateMap" Control.)

Could you share the code for creating this control in the map init()


Juan G wrote:
> Dear OpenLayers developers:
> First of all, I´d like to congratulate all of you for this great job
> making
> this fantastic tool.
> Second, sorry about my poor english :-( .
> I am an spanish developer who have been developing some OpenLayers custom
> components, and I would like to share my work with you.
> I am working for an spanish organization (Confederación Hidrográfica del
> Duero), which is responsible of the good management and health of a big
> spanish-portuguese river named "Duero" and all of its afluents. You can
> see
> the viewer at this URL:
> http://www.mirame.chduero.es/DMADuero_09_Viewer
> I was responsible of starting the development of the map viewer, and I
> suggested using OpenLayers. Finally the Team Leader accepted my suggestion
> and we started the viewer from OpenLayers source code (the version
> deployed
> now is from SVN downloaded 5 days ago more less).
> I encountered some minor problems, mainly because of the project
> requirements (most of them were appearance stuff). I  solved this by
> putting
> everything in CSS classes (or id´s). For example, I changed the built-in
> images from LayerSwitcher for making them CSS-dependant not   dependant
> (hard work here).
> Some other important changes I had to do was changing some layerSwitcher
> behaviour (like not to refresh map after click in one layer, only refresh
> it
> by when clicking in a custom "dmaUpdateMap" Control. Another change in
> LayerSwitcher was putting some "experimental" layers group checkBox and
> move
> and drop layer button I could pick from some one in the OpenLayers sandbox
> (can´t remember now who was! :-( ).
> Other big change here was a custom Identify Feature Control, by adding to
> the LayerSwitcher an option button to select one layer to identify feature
> from.
> I am not an expert in javascript, so I hope you could examine the code I
> made and change it for future versions of OpenLayers if you think it's
> worth
> it.
> All the custom components where "copied and pasted" and changed, so I
> think
> you could dig into it without problems. The custom components are all in
> the
> directory "/js/customDMAOpenlayers".
> If you have any question, please tell it to me.
> Thanks for this fantastic work!
> Greetings from Spain
> Juan G
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