Tagged Questions
2
votes
0answers
56 views
Which is better for storage? Geometry column or varchar?
Objective:
Need to store and retrieve a list of geometries from the database. Basically these are drawn by the user using OpenLayers which I would like to save and present again as a list (kind of ...
1
vote
0answers
62 views
Programmatically change geometry column in OpenLayers WFS layer
is there a way to programmatically change the geometry column on which a WFS layer is based and displayed?
WFS (from GeoServer) is correctly returning me two geometry columns, I want to change "on ...
0
votes
1answer
92 views
how to find vertices for a geometry in OpenLayers
I am having a LineString, where I need to find the vertices logically and save those vertices. Can anyone help me out. Or else how below can help me.
OpenLayers.Geometry.LineString = ...
3
votes
1answer
185 views
Limit Zooming Geometry Features in OpenLayers
I draw flag feature on my map as follows:
myVectorLayer = new OpenLayers.Layer.Vector("Flag Geometry", {
renderers: renderer,
isBaseLayer: true,
projection: new OpenLayers.Projection("EPSG:900913"),
...
0
votes
2answers
387 views
How can I convert Polygon to LinearRing Geometry?
How can one convert a Polygon to LinearRing geometry using OpenLayers? I'm thinking that I can do this by getting bounds of the polygon, then use this to construct a Points array. Finally, use ...
2
votes
1answer
661 views
How to make a predetermined Polygon (Circle) From 4 Coordinates, The Radius and Center Longitude and Latitude in Openlayers
I know how to make a predetermined Polygon in Openlayers (see below).
Please have a look at http://studio.netnrg.co.za/dev/rnd/blake.loizides/openlayers
var feature2 = new ...
1
vote
2answers
1k views
How to initialize a WFS Layer?
Here is the code block (the layers are stored in Oracle database):
var saveStrategy = new OpenLayers.Strategy.Save();
var adresspt_wfs = new OpenLayers.Layer.Vector("Address points WFS", ...
2
votes
1answer
838 views
How to get the radius of a “circle” in Openlayers
How do you get the radius of a circle in openlayers? I have searched quite a bit and cannot find any resource for this. please help.
Here is my code but I want the radius or circumference of the ...
2
votes
1answer
476 views
geometryType property of Vector Layers in OpenLayers
ORIGINAL:
I have a couple questions that are focused around the geometryType property with vector layers. When you create a vector layer you can set the geometryType property to limit the geometry ...
4
votes
0answers
470 views
OpenLayers: WFS request to GeoServer to retrieve “name” & “featureNS”
Using WFSGetCapabilities I sent a GetCapabilities request to GeoServer. From the result of WFSGetCapabilities().read(), I can loop each featureType and retrieve some basic info(e.g., name, title, ...
3
votes
2answers
727 views
OpenLayers + Geoserver: how to dynamically retrieve the “geometryName” of a feature layer in GeoServer
I am trying to get the list of feature layers on GeoServer and then user can add layers into map at anytime they want. my question is:
when using OpenLayers.Protocol.WFS loading a layer, is ...
2
votes
1answer
202 views
LinearRing getVertices implementation
I'm fairly new to OpenLayers so please excuse me if this is an ignorant question. I'm curious why the LinearRing getVertices implementation
getVertices: function(nodes) {
return (nodes === true) ...
