Mark,
You will need to set a value for the 'index' property of your shape
object before calling addFeature($shape).
Not sure how to do this is PHP mapscript but in Perl:
$shape->{index} = $point_id;
Then the point_id should be returned by your query.
Eric
On Fri, 2006-01-20 at 20:18, Mark Brooks wrote:
> I'm trying to queryByPoint on a dynamic point layer. The points in the
> layer are added from a mysql database. When I queryByPoint on this
> dynamic layer, the resulting shapeindex and tileindex are both -1, which
> is not what is expected.
>
> Here is how I ADD the points to the layer:
> $query = mysql_query(" mysql query... ");
> while ($site = mysql_fetch_assoc($query)){
> // this draws the dynamic point
> $mypoint = ms_newPointObj()
> $mypoint -> setXY($site['lon'],$site['lat']);
> $mypoint->draw($map,$layer,$image,0,'name');
>
> // this adds the feature to the layer so that it
> // can be queried. No results are found from a query
> // by only drawing it above.
> // Probably not the most efficient and perhaps
> // where I'm going wrong?
> $mypoint_shape = ms_newShapeObj(MS_SHAPE_POINT);
> $mypoint_line = ms_newLineObj();
> $mypoint_line->add($mypoint);
> $mypoint_shape->add($mypoint_line);
> $stations_layer->addFeature($mypoint_shape);
> }
>
>
> Then later in my php script, this is how I query:
> // get coordinates to query
> $myclick = ms_newPointObj();
> $myclick -> setXY($geo_lon,$geo_lat); // set the click point
>
> // do the query
> $layer -> queryByPoint($myclick,MS_MULTIPLE,100);
> for ($i=0; $i<$layer->getNumResults(); $i++){
> $result = $layer->getResult($i);
> // output below shows 'shapeindex' and 'tileindex' are both -1
> print_r($result);
> }
>
>
> What am I doing wrong? If I queryByPoint on any static layer, tileindex
> and shapeindex are good values. But on this dynamic layer, they are
> always -1. Any ideas?
>
>
> --
>
> Mark Brooks
> Environmental Meteorologist
> State Climate Office of North Carolina
> Box 7236, NC State University
> Raleigh, NC 27695-7236
>
> E-mail: [EMAIL PROTECTED]
> Phone: 919.515.1446
> Fax: 919.515.1441
