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Query Error (Wrong parameter count for ms_layer_obj)
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Query Error (Wrong parameter count for ms_layer_obj)
by Adriano Hantequeste Gomes
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Hi All,
I put this code im my Aplication.php: if ( $http_form_vars["nome_b"]) { // the parcel number to query for $szParcelNumber = $http_form_vars["nome_b"]; // the current extents will be the default if we fail. $oExtents = $oMapSession->oMap->extent; $oldExtents=$oExtents; //first we need a handle on the layer, let's assume that we have //it's name $oParcelLayer = $oMapSession->oMap->getLayerByName( "Bairros" ); // set up the layer for a query in ms 3.6 - in 3.7 we don't need // to do this, we can just use querybyattribute. Here we assume // that the data file associated with the layer has an attribute // called parcel_number that we are querying. $oParcelLayer->set( "filteritem", "Nummer" ); $oParcelLayer->setFilter("\"$szParcelNumber\""); // use querybyattribute to generate the result, assume a single // one for simplicity but this can be extended to multiple // results easily $oParcelLayer->queryByAttributes("NOME_BAIRR",$szParcelNumber,MS_SINGLE); //now check to see if there are any results? if ($oParcelLayer->getNumResults() > 0 ) { //at least one result, assume only one for this example $oResult = $oParcelLayer->getResult( 0 ); //oResult is a resultCacheMemberObj $oParcelLayer->open($oMapSession->oMap->shapepath); $oShape = $oParcelLayer->getShape($oResult->tileindex,$oResult->shapeindex); $oExtents = $oShape->bounds; $oShape->free(); //at this point we might add a buffer to the extents $nXBuffer = ( $oExtents->maxx - $oExtents->minx )*0.05; $nYBuffer = ( $oExtents->maxy - $oExtents->miny )*0.05; $nMinX = $oExtents->minx - $nXBuffer; $nMaxX = $oExtents->maxx + $nXBuffer; $nMinY = $oExtents->miny - $nYBuffer; $nMaxY = $oExtents->maxy + $nYBuffer; $oExtents->setextent( $nMinX, $nMinY, $nMaxX, $nMaxY ); } // now use $oMapNavigator to navigate to the parcel // location. There are two useful options now. We // can zoom to a rectangle which we have calculated or // to a point and scale. Let's assume we have calculated // a rectangle and put a buffer around it if necessary. $breite=$oMapSession->oMap->width; $hoehe=$oMapSession->oMap->height; $px1=$breite/($oldExtents->maxx-$oldExtents->minx)*($oExtents->minx-$oldExtents->minx); $px2=$breite/($oldExtents->maxx-$oldExtents->minx)*($oExtents->maxx-$oldExtents->minx); $py1=$hoehe/($oldExtents->maxy-$oldExtents->miny)*($oldExtents->maxy-$oExtents->maxy); $py2=$hoehe/($oldExtents->maxy-$oldExtents->miny)*($oldExtents->maxy-$oExtents->miny); $oMapNavigator->zoomRectangle($px1, $py2, $px2, $py1); // alternately if it's a point and a scale ... //$oMapNavigator->zoomScale( 1000, 100, 100 ); } ################## When i query retur this error: Warning: Wrong parameter count for ms_layer_obj::open() in D:\ms4w\apps\maplab-2.2.1\projects\gmf_apps\Geo\Geo.php on line 880 Fatal error: [MapServer Error]: msLayerGetShape(): Shapefile layer has not been opened. in D:\ms4w\apps\maplab-2.2.1\projects\gmf_apps\Geo\Geo.php on line 881 -- Atenciosamente, Adriano Hantequeste Gomes CREA 080047648-4 Departamento de Geoprocessamento - GEO Gerência de Estatística e Analise Criminal - GEAC Secretaria de Estado da Segurança Pública e Defesa Social - SESP Av. Marechal Mascarenhas de Moraes, 2355 Bento Ferreira - Vitória - Espírito Santo CEP: 29.052-121 Telefone: 55 27 3334-4736 Fax: 55 27 3334-4735 Celular: 55 27 9225-4852 -- Atenciosamente, Adriano Hantequeste Gomes CREA 080047648-4 Departamento de Geoprocessamento - GEO Gerência de Estatística e Analise Criminal - GEAC Secretaria de Estado da Segurança Pública e Defesa Social - SESP Av. Marechal Mascarenhas de Moraes, 2355 Bento Ferreira - Vitória - Espírito Santo CEP: 29.052-121 Telefone: 55 27 3334-4736 Fax: 55 27 3334-4735 Celular: 55 27 9225-4852 _______________________________________________ Maplab-users mailing list Maplab-users@... http://lists.maptools.org/mailman/listinfo/maplab-users |
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Re: Query Error (Wrong parameter count for ms_layer_obj)
by Zak James
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Hi Adriano,
Have you checked the value of $oMapSession->oMap->shapepath? Take a look in the mapserver-users archive for more info on this, for instance: http://old-mapserver.gis.umn.edu/data2/wilma/mapserver-users/0206/msg00405.html zak On 1/19/07, Adriano Hantequeste Gomes <adrianohg@...> wrote: > Hi All, > > > I put this code im my Aplication.php: > > if ( $http_form_vars["nome_b"]) > { > // the parcel number to query for > $szParcelNumber = $http_form_vars["nome_b"]; > > // the current extents will be the default if we fail. > $oExtents = $oMapSession->oMap->extent; > $oldExtents=$oExtents; > > //first we need a handle on the layer, let's assume that we have > //it's name > $oParcelLayer = $oMapSession->oMap->getLayerByName( "Bairros" ); > > // set up the layer for a query in ms 3.6 - in 3.7 we don't need > // to do this, we can just use querybyattribute. Here we assume > // that the data file associated with the layer has an attribute > // called parcel_number that we are querying. > $oParcelLayer->set( "filteritem", "Nummer" ); > $oParcelLayer->setFilter("\"$szParcelNumber\""); > > // use querybyattribute to generate the result, assume a single > // one for simplicity but this can be extended to multiple > // results easily > $oParcelLayer->queryByAttributes("NOME_BAIRR",$szParcelNumber,MS_SINGLE); > > //now check to see if there are any results? > if ($oParcelLayer->getNumResults() > 0 ) > { > //at least one result, assume only one for this example > $oResult = $oParcelLayer->getResult( 0 ); > > //oResult is a resultCacheMemberObj > $oParcelLayer->open($oMapSession->oMap->shapepath); > $oShape = > $oParcelLayer->getShape($oResult->tileindex,$oResult->shapeindex); > $oExtents = $oShape->bounds; > $oShape->free(); > > //at this point we might add a buffer to the extents > $nXBuffer = ( $oExtents->maxx - $oExtents->minx )*0.05; > $nYBuffer = ( $oExtents->maxy - $oExtents->miny )*0.05; > $nMinX = $oExtents->minx - $nXBuffer; > $nMaxX = $oExtents->maxx + $nXBuffer; > $nMinY = $oExtents->miny - $nYBuffer; > $nMaxY = $oExtents->maxy + $nYBuffer; > $oExtents->setextent( $nMinX, $nMinY, $nMaxX, $nMaxY ); > } > > // now use $oMapNavigator to navigate to the parcel > // location. There are two useful options now. We > // can zoom to a rectangle which we have calculated or > // to a point and scale. Let's assume we have calculated > // a rectangle and put a buffer around it if necessary. > $breite=$oMapSession->oMap->width; > $hoehe=$oMapSession->oMap->height; > > $px1=$breite/($oldExtents->maxx-$oldExtents->minx)*($oExtents->minx-$oldExtents->minx); > > $px2=$breite/($oldExtents->maxx-$oldExtents->minx)*($oExtents->maxx-$oldExtents->minx); > > $py1=$hoehe/($oldExtents->maxy-$oldExtents->miny)*($oldExtents->maxy-$oExtents->maxy); > > $py2=$hoehe/($oldExtents->maxy-$oldExtents->miny)*($oldExtents->maxy-$oExtents->miny); > > $oMapNavigator->zoomRectangle($px1, $py2, $px2, $py1); > > // alternately if it's a point and a scale ... > //$oMapNavigator->zoomScale( 1000, 100, 100 ); > } > > ################## > > > When i query retur this error: > > Warning: Wrong parameter count for ms_layer_obj::open() in > D:\ms4w\apps\maplab-2.2.1\projects\gmf_apps\Geo\Geo.php on line 880 > > Fatal error: [MapServer Error]: msLayerGetShape(): Shapefile layer has > not been opened. in > D:\ms4w\apps\maplab-2.2.1\projects\gmf_apps\Geo\Geo.php on line 881 > > > > -- > Atenciosamente, > Adriano Hantequeste Gomes > CREA 080047648-4 > Departamento de Geoprocessamento - GEO > Gerência de Estatística e Analise Criminal - GEAC > Secretaria de Estado da Segurança Pública e Defesa Social - SESP > Av. Marechal Mascarenhas de Moraes, 2355 > Bento Ferreira - Vitória - Espírito Santo > CEP: 29.052-121 > Telefone: 55 27 3334-4736 > Fax: 55 27 3334-4735 > Celular: 55 27 9225-4852 > > > -- > Atenciosamente, > Adriano Hantequeste Gomes > CREA 080047648-4 > Departamento de Geoprocessamento - GEO > Gerência de Estatística e Analise Criminal - GEAC > Secretaria de Estado da Segurança Pública e Defesa Social - SESP > Av. Marechal Mascarenhas de Moraes, 2355 > Bento Ferreira - Vitória - Espírito Santo > CEP: 29.052-121 > Telefone: 55 27 3334-4736 > Fax: 55 27 3334-4735 > Celular: 55 27 9225-4852 > > _______________________________________________ > Maplab-users mailing list > Maplab-users@... > http://lists.maptools.org/mailman/listinfo/maplab-users > -- Zak James Applications and Software Development DM Solutions Group Inc. http://www.dmsolutions.ca _______________________________________________ Maplab-users mailing list Maplab-users@... http://lists.maptools.org/mailman/listinfo/maplab-users |
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