[OpenLayers-Users] dynamic adding wmc

[Bart van den Eijnden]

Use layer.mergeNewParams({TRANSPARENT: true}); instead.

Best regards,
Bart

Bart van den Eijnden
Front-end Developer | Boundless
@boundlessgeo

On Oct 12, 2013, at 6:38 PM, Tim Balschmiter <tb.rostock at gmail.com> wrote:

> Hi List,
> i´ve generated a code to add wmc-layer as an Overlay to the map. My code use a file chooser for take a wmc-document. After loading the layers, i can see them on the map and i can see them in the switcher. But the transparency is inaktiv at the beginning, after zooming or dragging the map, the transparency works. How, can I change that is still working with loading the layers?
> 
> Here is my examplecode:
> [code]
> $('.btn.addWMC').click(function(e) 
>     {
>         var fileSelector = $('<input type="file" />').bind('change', function(e)
> 		{
> 			var file = this.files[0];
> 			var reader = new FileReader();
> 			reader.readAsBinaryString(file);
> 			reader.onloadend = function() 
> 			{
>                 extrawmc = reader.result; 
> 				extracontext = format.read(extrawmc,{map:map});
> 				for (var i=0; i<extracontext.layers.length;i++) 
> 				{ 
> 					var layer = extracontext.layers[i]; 
> 					layer.params.TRANSPARENT = 'TRUE'; 
> 				}
> 				map.addLayers(extracontext.layers);
>             }
>         });
>         var wmc = fileSelector.click();
>         return false;
>     });  
> [/code]
> Thanks for helping me 
> Tim
> 
> 
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