[ka-Map-users] printing maps with added objects & printing transparent layers

[Lorenzo Becchi]

Donal thanks for your code. I've put it on CVS but with some changes.

Why have you changed this line?

header("Content-Disposition: attachment; filename=\"".$oMap- 
 >name.".tiff\"");
	
in this:

header("Content-Disposition: attachment; filename=".$oMap- 
 >name.".tiff");
	
and why this:

header("Content-Disposition: attachment; filename=\"".$oMap- 
 >name.".".strtolower($_REQUEST['output_type'])."\"");
	

in this:

header("Content-Disposition: attachment; filename=".$oMap->name.".". 
$_REQUEST['output_type']);
	

All that strange syntax was granting some compatibility  with  
filenames with all browsers in windows and mac.
I suggest you to put it on again.

and why  did you skipped
location.href='tools/print/print_map.php?'+params;
using the old winOpener ?

I know there's not a perfect solution, I'm interested in your opinion.

Testing the new solution I've found another limitation of my code: if  
you move layers up and down the printed map is maintaining the  
orginal disposition.
This means looping layers inside a new loop of "group" array caching  
correspondences.
Do you want to do this too?

I've put your name in the code. Update from CVS.

ciao
Lorenzo

ps: please if you don't want to use a line of code leave it commented  
in your new code so I can understand quickly what you've change  
without looking for diffs.








On 01/set/06, at 04:13, Donal Regan wrote:

> Lorenzo,
>
> I have attached a copy of print_map.php that now takes into account  
> layer opacity. The changes to the javascript function myPrint() are  
> shown down below.
> I took on board  what you suggested so print_map.php now checks for  
> opacitys in the querystring:
>
>
> if (isset($_REQUEST['opacitys']))$opacitys=$_REQUEST['opacitys'];
> else $opacitys="";
> $aOpacity=explode(',',$opacitys);
>
>
> and while looping through the layers we can now do the following
>
> elseif (in_array($oLayer->group,$aGroup)){
>                 $oLayer->set('status',MS_ON);
>                 $opacity = $aOpacity[array_search($oLayer->group, 
> $aGroup)];
>                 if($opacity!='')$oLayer->set('transparency',$opacity);
>                 if(!$oLayer->isVisible() && ($oLayer->minscale <  
> $scale && $oLayer->maxscale > $scale )){
>                 $oLayer->set("minscale",0);
>                 $oLayer->set("maxscale",(200000000)); // has to be  
> greater that map maximum scale
>                 }
>         }
>
> The myPrint() function should now look like the following
>
> function myPrint() {
>     var szLayers = '';
>     var szOpacitys = '';
>
>     var layers = myKaMap.getCurrentMap().getLayers();
>     for (var i=0;i<layers.length;i++) {
>         szLayers = szLayers + "," + layers[i].name;
>         szOpacitys = szOpacitys + "," + layers[i].opacity;
>     }
>
>     var extent = myKaMap.getGeoExtents();
>     var scale = myKaMap.getCurrentScale();
>     var cMap = myKaMap.getCurrentMap().name;
>
>     var img_width = '600';// pixel dimension. max_img_width set  
> inside print_map.php
>     var params='map='+cMap+'&scale='+scale+'&img_width='+img_width 
> +'&groups='+szLayers+"&opacitys="+szOpacitys+'&extent='+extent[0] 
> +'|'+extent[1]+'|'+extent[2]+'|'+extent[3];
>
>     WOOpenWin( 'Print', '../tools/print/print_map.php?'+params,  
> 'resizable=yes,scrollbars=yes,width=600,height=400' );
>
> }
>
>
> The code works for me on Windows 2000, IE6 and Firefox 1.5.06.
>
> Cheers.
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