[Spanish] Problema de Openlayers con Firefox 9 - Tema ProxyHost
Javier Jose Quispe Varillas
jjquispev at hotmail.com
Thu Jan 12 17:08:24 EST 2012
Amigos
Gracias por todos sus comentarios.
He estado haciendo pruebas y pienso que he avanzado algo:
1) Tengo instalado el ms4w en c:\ms4w
2) Ya instale el python 2.7 en mi pc, en c:\Python27
3) El archivo proxy.cgi modifique la primera linea con:
Estaba: #!/usr/bin/env python
ahora esta: #!C:/Python27/python.exe -u
4) Cuando en un browser indico: http://localhost/cgi-bin/proxy.cgi, sale la pagina de openalyers. al parecer ya esta bien el cgi.
5) Cree una carpeta c:\ms4w\apps\cursoopenlayers
6) Copie en un carpeta todas las librerias de openalyers en c:\ms4w\apps\openlayers\openlayers
7) Tengo el siguiente archivo curso1.html :
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
<script type="text/javascript" src="openlayers/lib/OpenLayers.js"></script>
<script type="text/javascript">
var map;
//OpenLayers.ProxyHost = "c:\ms4w\Apache\cgi-bin\proxy.cgi?url=";
OpenLayers.ProxyHost = "/cgi-bin/proxy.cgi?url=";
//OpenLayers.ProxyHost = "\cgi-bin\proxy.cgi?url=";
function init() {
map = new OpenLayers.Map('map');
/*var layer = new OpenLayers.Layer.WMS( "OpenLayers WMS",
"http://vmap0.tiles.osgeo.org/wms/vmap0", {layers: 'basic'} );
map.addLayer(layer);
map.setCenter(new OpenLayers.LonLat(-8, 42.8), 8);
map.addControl(new OpenLayers.Control.LayerSwitcher());
*/
var base = new OpenLayers.Layer.WMS("Capa base",
"http://tilecache.osgeo.org/wms-c/Basic.py",
{layers: "basic"}
);
map.addLayer(base);
var wfs = new OpenLayers.Layer.Vector("Capa WFS", {
strategies: [new OpenLayers.Strategy.Fixed()],
protocol: new OpenLayers.Protocol.WFS({
url: "http://demo.opengeo.org/geoserver/wfs",
featureType: "states"
//featureNS: "http://www.openplans.org/topp"
})
});
map.addLayer(wfs);
map.zoomToExtent(new OpenLayers.Bounds(-140.4, 25.1, -44.4, 50.5));
// CONTROLES
map.addControl(new OpenLayers.Control.Navigation());
map.addControl(new OpenLayers.Control.Attribution());
map.addControl(new OpenLayers.Control.PanZoomBar());
map.addControl(new OpenLayers.Control.ArgParser());
map.addControl(new OpenLayers.Control.LayerSwitcher({'ascending':false}));
map.addControl(new OpenLayers.Control.Permalink());
map.addControl(new OpenLayers.Control.MousePosition());
map.addControl(new OpenLayers.Control.OverviewMap());
map.addControl(new OpenLayers.Control.KeyboardDefaults());
map.addControl(new OpenLayers.Control.ScaleLine());
var vector_layer = new OpenLayers.Layer.Vector( "Editable" );
var edit_panel = new OpenLayers.Control.EditingToolbar(vector_layer);
var modify_feature_ctrl = new OpenLayers.Control.ModifyFeature(vector_layer,
{
title: "Modify Feature",
displayClass: "olControlModifyFeature"
});
edit_panel.addControls(modify_feature_ctrl);
map.addControl(edit_panel);
map.addLayer(vector_layer);
/* // No selecciona parece que falta algo
getFeature_control = new OpenLayers.Control.GetFeature({
protocol: OpenLayers.Protocol.WFS.fromWMSLayer(base),
box: true,
hover: false,
multipleKey: "shiftKey",
toggleKey: "ctrlKey"
});
getFeature_control.events.register("featureselected", this, function(e) {
select_layer.addFeatures([e.feature]);
modify_control.deactivate();
});
getFeature_control.events.register("featureunselected", this, function(e) {
select_layer.removeFeatures([e.feature]);
});
map.addControl(getFeature_control);
getFeature_control.activate();*/
/*var popup; // Sale mas o menos, no sale data, hay que ajustar algo
info = new OpenLayers.Control.WMSGetFeatureInfo({
url: 'http://tilecache.osgeo.org/wms-c/Basic.py',
title: 'Identify features by clicking',
queryVisible: true,
eventListeners: {
getfeatureinfo: function(event) {
if (popup !== undefined) {
map.removePopup(popup);
}
popup = new OpenLayers.Popup.FramedCloud(
"chicken",
map.getLonLatFromPixel(event.xy),
new OpenLayers.Size(50,50),
event.text,
null, true );
map.addPopup(popup);
}
}
});
map.addControl(info);
info.activate();*/
/* //Create a Format object
var vector_format = new OpenLayers.Format.GeoJSON({});
var vector_protocol = new OpenLayers.Protocol.HTTP({
url: 'ex5_data.json',
format: vector_format
});
var vector_strategies = [new OpenLayers.Strategy.Fixed()];
//Create a vector layer that contains a Format, Protocol, and Strategy class
vector_layer = new OpenLayers.Layer.Vector('More Advanced Vector Layer',{
protocol: vector_protocol,
strategies: vector_strategies
});
map.addLayer(vector_layer);^*/
/*
var feature_data = {
"type": "FeatureCollection",
"features": [
{"type":"Feature","properties":{},
"geometry":{"type":"Point", "coordinates":[-81, 42]}},
{"type":"Feature","properties":{},
"geometry":{"type":"Point", "coordinates":[-82, 43]}},
{"type":"Feature","properties":{},
"geometry":{"type":"Point", "coordinates":[-80, 41]}},
{"type":"Feature","properties":{},
"geometry":{"type":"Point", "coordinates":[19, -24]}},
{"type":"Feature","properties":{},
"geometry":{"type":"Point", "coordinates":[4, 42]}},
{"type":"Feature","properties":{},
"geometry":{"type":"Point", "coordinates":[32, 35]}},
]
}
var poligono1 = new OpenLayers.Feature.Vector(
//We'll make a polygon from a linear ring object, which consists of points
new OpenLayers.Geometry.Polygon(new OpenLayers.Geometry.LinearRing(
[new OpenLayers.Geometry.Point(-124.2, 41.9),
new OpenLayers.Geometry.Point(-120.1, 41.9),
new OpenLayers.Geometry.Point(-120, 39),
new OpenLayers.Geometry.Point(-114.5, 34.9),
new OpenLayers.Geometry.Point(-114.7, 32.7),
new OpenLayers.Geometry.Point(-117.1, 32.5),
new OpenLayers.Geometry.Point(-120, 34),
new OpenLayers.Geometry.Point(-123.7, 38.4)
//We won't pass in the first point, the polygon will close automatically
]
)),
{
'location': 'Fanghorn Forest',
'description': 'Land of the Ents'
}
);
// Create a format object
var format_geojson = new OpenLayers.Format.GeoJSON({});
//Create an array of strategy objects
var vector_strategies = [new OpenLayers.Strategy.Cluster({distance:42})];
//Create a vector layer that contains a Format, Protocol, and Strategy class
var vector_layer1 = new OpenLayers.Layer.Vector('More Advanced Vector Layer',{
strategies: vector_strategies
});
//Load in the data
vector_layer1.addFeatures(format_geojson.read(feature_data));
map.addLayer(vector_layer1);
*/
}
</script>
<style type="text/css">
#map {
width: 600px;
height: 400px;
border: 1px solid;
}
</style>
<title>Curso de OpenLayers - Ejemplo 1 - Capas WMS</title>
</head>
<body onload="init()">
<h1 id="title">Curso de OpenLayers - Ejemplo 1 - Capas WMS</h1>
<div id="map">
</div>
</body>
</html>
ubicado en c:\ms4w\apps\cursoopenlayers\curso1.html
8) Cuando ejecuto dicho html en IE 8 me sale el error:
Mensaje: Acceso denegado.
Línea: 105
Carácter: 13
Código: 0
URI: file:///C:/ms4w/apps/cursoopenlayers/openlayers/lib/OpenLayers/Request/XMLHttpRequest.js
Y cuando ejecuto en Firefox 9 con Firebug me sale en la consola:
Access to restricted URI denied
oRequest._object.send(oRequest._data); XMLHttpRequest.js (línea 220)
---------------------------------------------------------------------------------------------------
En el IE 8 no se ve nada, pero en Firefox 9 se ve la capa WMS, por lo que supongo que el problema es la capa WFS.
Que me falta para que salga bien?
Al parecer al lanzar el html no encuentra al proxy.cgi, me falta configurar algo mas?
Mis disculpas si es algo facil, pero he estado tratando toda la tarde y revisando en internet.
Espero su ayuda al respecto.
Javier Quispe
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