[Mapserver-users] How to create new layer and add user points ???

[Eric Bridger]

My guess would be that your "x" and "y" form input values are not
geographic coordinates in the correct units. If they are image
coordinates (pixels) you could try adding:
$layerObj->set('transform', MS_FALSE);


On Mon, 2004-03-08 at 14:15, Josef Stromský wrote:
> Hi folks
>  
> Im trying to solve this problem. 
> I need to create new layer with users points by PHP/Mapscript. I've
> found one possibility in this mailinglist, but it doesn't work.
> This is my script:
>  
>  
> ------------------------------------------------------------------------
> --------------------------------
> <?
> $x=$HTTP_GET_VARS["x"];
> $y=$HTTP_GET_VARS["y"];
> dl("php_mapscript_36.dll");
> $mapFile = ms_newMapObj("D:/mapa.map");
> $layer = $mapFile->getLayerByName("klimatic_wgs");
>  if ( isset($HTTP_GET_VARS['x']) && isset($HTTP_GET_VARS['y']) ) {
>          $pointobj = ms_newPointObj();
>          $pointobj->setXY($HTTP_GET_VARS['x'],$HTTP_GET_VARS['y']);
>          $lineobj = ms_newLineObj();
>          $lineobj->add($pointobj);
>          $pointobj->free();
>          $shapeobj = ms_newShapeObj(MS_SHAPE_POINT);
>          $shapeobj->add($lineobj);
>          $lineobj->free();
>          $layerobj = ms_newLayerObj($mapFile);
>          $layerobj->set('type',MS_LAYER_POINT);
>          $layerobj->set('status',MS_ON);
>          $layerobj->addFeature($shapeobj);
>          $classobj = ms_newClassObj($layerobj);
>          $classobj->set('symbol',0);
>          $classobj->set('size',20);
>          $newColor = $mapFile->addColor(255,255,0);
>          $classobj->set("color", $newColor);
>  }
> $mapImage = $mapFile->prepareImage();
> $layer->draw($mapImage)";
> $layerobj->draw($mapImage);
>  
> $mapImagePath = "saveWebImage(MS_PNG'>http://158.196.143.80/".$mapImage-
> <http://158.196.143.80/> >saveWebImage(MS_PNG, 0, 0, 95);
> echo "<IMG src='".$mapImagePath."' border='0'>";
> ?>
> ------------------------------------------------------------------------
> --------------------------------
>  
>  
> This script doesn't returns any error messages, but only first
> layer($layer) is visible. 
> If is here anybody with some idea how to solve this mess, I'll be
> thankful to you.
>  
> Best regards.
>  
> Josef Stromsky
>  
> 
> 
> 
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>