JavaScript Toolkit for Rich Web Mapping Applications

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11
votes
3answers
3k views

Stack - Mapnik, TileMill, OpenLayers, GeoExt

Would this work as a stack for serving webmaps with the basic GIS viewer functionality (pan, zoom, layer switching, info popups)? Apache Web Server Mapnik to serve the geo-data (TileMill to Style ...
9
votes
4answers
4k views

How to avoid Pink tiles when DB view/Table is empty?

I have views that are spatial in a sense that they select some spatial column from other table. This table is published using geoserver. This table is live and sometime has no data at all. When the ...
8
votes
3answers
4k views

GeoExt Vs Openlayers

OK: [ Openlayers + ExtJS = GeoExt] I am new to webmapping and still shopping around. I bumped into a Case Study with a gentle learning curve, matches my needs and it uses OpenGeoSuite. I got to learn ...
8
votes
2answers
271 views

Which Geo stack for an online strategic wargame?

I'm googling around for some weeks but I've some difficulties to figure out where to begin my project and which part of the available Geo stacks are mandatory for my needs. I have a strong Java ...
8
votes
1answer
655 views

Recommended Eclipse Plugins for development with OpenLayers and GeoExt?

we plan to create an map oriented online application and muse about the 'best' / helpful plugins for Eclipse. The used technology is OpenLayers and GeoExt. For example is the Javascript development ...
7
votes
2answers
1k views

Can GeoEXT 1.0 be used along with ExtJS 4.0?

On the GeoExt website their tutorial page has some instructions on how to setup up a application to use GeoEXT. This is the page I am referring to. It mentions that you should download GeoEXT 1.0 and ...
7
votes
1answer
681 views

Could someone suggest a good GeoExt Tutorial?

In my research I've found these two, which are only explaining the basics. Developing OGC Compliant Web Applications with GeoExt GeoExt Workshop (Pdf) And of course the native (but short) ...
6
votes
3answers
708 views

Can we use GeoExt Freely?

I want to know, can we use GeoExt freely? is there any need to purchase some license for using GeoExt ? Actually i am already working with free Open source tools (OpenLayers+GeoServer) for my webMap ...
6
votes
3answers
3k views

Difficulty to display WMS and Googlemaps layers using Geoext and ext

i have the following code on my html file: // World Geodetic System 1984 projection var WGS84 = new OpenLayers.Projection("EPSG:4326"); // WGS84 Google Mercator projection var ...
5
votes
1answer
503 views

OpenGeo/GeoServer WFS - getting only as much data as is needed

There's probably a term for this that I'm missing that would help me find the answer... My question is similar to a previous question of mine. I am using GeoServer (as part of the OpenGeo stack) as a ...
5
votes
1answer
2k views

How to add a print function to GeoExt MapPanel?

I´m trying to add a print function to my GeoExt MapPanel, using the following code: bbar: ["->", { text: "Print...", handler: function() { ...
4
votes
1answer
1k views

Get mouse position in GeoExt

The title says it all. I'm using GeoExt as part of OpenGeo Suite. I would like to display the current mouse coordinates. Update: I was getting confused as to what parts of the code are GeoExt and ...
4
votes
1answer
196 views

Maximum number of layers in openlayers with geoext

i have been developing webgis application that requires around 45 different layers served from geoserver. I had created openlayers wms layers and added them to geoext, everything works fine till the ...
4
votes
1answer
591 views

Trouble in adding a print function to GeoExt MapPanel

I am trying to add print function to my GeoExt 2 web application, like: http://geoext.github.com/geoext2/examples/printpreview/print-preview.html first I am testing this using the same example urls, ...
3
votes
1answer
912 views

OpenLayers.Layer.Vector not working?

I'm struggling to get my vector layer working. The wfs works as I have tested it by creating a wfs layer and adding it to the map, now I'm trying to display a vector layer with the results of a search ...
3
votes
1answer
945 views

printing openlayers map

What i've got is a map served by the tilecache and shown by openlayers and geoext. Now i need to print this map, so what i've done is: made a button which creates (window.open()) a new window with ...
3
votes
2answers
1k views

How to get linestring length while drawing?

I've got a control to draw lines: new OpenLayers.Control.DrawFeature(vecLayer, OpenLayers.Handler.Path, { callbacks : { // "done" : doneHandler, "point" : ...
3
votes
1answer
446 views

Any Open Source Extensions to ESRI JSAPI?

I'm looking for some functionality beyond what ESRI already provides in the JSAPI. For example, the ability to display the LOD in a tooltip on the zoom control. It seems like there should be a ...
3
votes
1answer
767 views

How to get an GeoExt LegendPanel with image/png instead of image/gif?

I am using a GeoExt.LegendPanel to show legends for my various layers in OpenLayers. The GeoExt.WMSLegend supports configuring which image format to use, but the LegendPanel does not utilize this ...
3
votes
1answer
1k views

Call GeoExt action by click ExtJs button

I have a problem. I have a ExtJs button and want to call anyone GeoExt action. For example this {xtype:'tbbutton', cls: 'x-btn-icon', id: 'testbutton', ...
3
votes
1answer
459 views

How can I fetch related db records in a GeoExt webapp?

I am working on a web app which uses GeoExt, Geoserver, and PostGIS. I would like to be able to identify features in this applications using the wms getFeatureInfo and then access a features related ...
3
votes
2answers
1k views

Is there a Web app for building GeoExt tree configurations?

I have a GeoExt application and looking for approaches for building tree configuration (in JSON format). Now tree configuration is made manually and looks like: var treeConfig = new ...
3
votes
1answer
274 views

WMS 1.3.0 from ArcGIS Server not work in GeoExt (OpenGeo Suite 3.0.2)

I used geoext sample app as in the example. added a new source and layers. but does not work: warn message "Non-existing source 'rs' referenced in layer config". but the response from the server ...
3
votes
1answer
288 views

Visualizing Spatial Query

I'm new to GIS applications and trying to figure out what options I have for visualizing spatial query results that combine raster and vector data using OpenLayers/GeoExt/GeoServer/PostGIS. A ...
3
votes
2answers
230 views

How to show attribute table of object when user clicks on it?

sorry if I'm asking stupid questions but I really spent days trying to figure out how to add functionality to my map so that when user clicks on some map object he gets the attribute table on the side ...
3
votes
1answer
1k views

Use GeoExt to edit Features attributes on a Map

I'm new to geoext and the documentation doesn't really help me. I've got a map with points on it. These points have attributes like 'name'. I coded a map with geoExt that has a vector layer which is ...
3
votes
1answer
52 views

Connection trouble GeoExt to Geoserver Layer

I'm so sorry for my english, it's not the best. I'm trying to modify my postgres geographic table with this code: Ext.onReady(function () { OpenLayers.ProxyHost = "proxy.ashx?url="; var ...
3
votes
0answers
162 views

OpenLayers and external CSS

I am using geoExt and OpenLayers to plot some map. Everything worked well until I had to add some styling. To display it on the webpage, I need to use the CSS of my university and once I do that, I ...
2
votes
2answers
513 views

Managing a large number of layers in OpenLayers/GeoExt and Geoserver

I am building a web application to facilitate the handling of approximately 2500+ historic maps. I think it would be too difficult for our users to search for specific maps in an ordinary layer tree. ...
2
votes
1answer
99 views

Is there a Deployment build of GeoExt 1.1?

The latest version of GeoExt that is available for download at http://geoext.org/downloads.html (version 1.1) appears to be a development version. They are individual files with whitespace and ...
2
votes
5answers
5k views

How to get WMS LegendGraphics using Geoserver and GeoWebCache?

I am using GeoServer alongwith the default, build in GeoWebCache. I am using Extjs and GeoExt, as well. Everything is running well, except for the legend graphics request. My code for layers is as ...
2
votes
5answers
9k views

Why is this ExtJS combo box not filtering? [closed]

I am trying to place a combo-box in the top of my web application which will search an internal WFS from Geoserver. I am using the combo-box so I can have the "type ahead" functionality which I think ...
2
votes
1answer
802 views

Legend labels for Vector layer symbols - how to name them (GeoEXT)

I'm coding with GeoExt and I have some problems trying to display the names of diferent features in a vector layer. This is my code: mapPanel = new GeoExt.MapPanel({ map: map }); legendPanel = ...
2
votes
1answer
435 views

How to auto-update WFST store with GeoExt/Openlayers?

I built an WFS-T with a grid panel (Ext.grid.EditorGridPanel) to edit features' attributes. Now, I want the feature store (GeoExt.data.FeatureStore) to reload/update automatically so that other users ...
2
votes
3answers
896 views

adding non spatial attributes using geoserver

I am using Openlayers + geoext to perform transaction operations in postgis database using geoserver . i can insert spatial data into postgis but cannot insert other data like road name, road type in ...
2
votes
1answer
248 views

What are necessary GeoExt dependencies?

Is use of OpenLayers-2.11 ,GeoExt-1.1 and ext-4.0.7-gpl supported . I have only included ext-all.js in the script src. Should I include others too?
2
votes
1answer
2k views

Cannot populate a Ext GridPanel through GeoExt WMSCapabilitiesStore

I've been working through a few tutorial/starter map samples on the OpenGeo and GeoExt websites and have come upon a problem I cannot solve. I'm trying to load a list of layers from my GeoServer into ...
2
votes
1answer
267 views

Print Maps - OpenLayers, GeoServer, GeoExt, MapFish

Can anyone point me towards a clear and unambiguous description of how to install and code a very simple map print function for OpenLayers/GeoServer? I am using GeoServer 2.5.2 and OpenLayers 2.12 on ...
2
votes
2answers
254 views

Get mouse position in OpenGeo

I'm using GeoExt as part of OpenGeo Suite using code generated by the Open Geo suite SDK. I would like to display the current mouse coordinate and don’t really know how to do it. As far as I know ...
2
votes
3answers
150 views

How should I implement a many-to-many relationship in a web mapping application?

Scenario: I am given a layer of point locations called "problems." These will be displayed on a web map. Users will then use the web map interface to create and populate field information for a point ...
2
votes
1answer
1k views

GeoExt2 How I make subnodes in Layer Tree

I'm loading WMS layers to OpenLayers map in the following way : Here is a JSFiddle example : http://jsfiddle.net/Alophind/9r95T/ function LoadLayers(data) { jQuery.each(data, function (i, val) ...
2
votes
2answers
543 views

How to show/hide labels with mapserver and openlayers

I'd like to have a check/uncheck option like this print checkbox to show/hide labels in my WMS layers served by mapserver 5.6.7 in openlayers 2.11. I have a toolbar where to put this using probably ...
2
votes
1answer
2k views

OpenLayers + GEOExt + extjs. VS OpenLayers+jquery

Could some one maybe tell me if there are any real benefits of using OpenLayers + GEOExt + extjs. as oppose to using only OpenLayers and maybe jquery for client side webgis apps? Edit: thanks for ...
2
votes
1answer
320 views

Ordering Layers Dynamically

I'm adding layers to a GeoExt map panel map dynamically in response to a user's selection. I have a corresponding FeatureStore definition from which I create the layers. When a new layer is added, I'd ...
2
votes
1answer
1k views

GeoServer GetCapabilities Not Working

I am trying to learn how to use the OpenGeo suite by following the tutorials on the site. The one I'm currently trying to follow is http://workshops.opengeo.org/geoext/stores/capabilities.html. Most ...
2
votes
1answer
545 views

How to export vector features to grid using proxy and WFS protocol?

I am trying to export vector features (current view) as a grid, something like: http://workshops.opengeo.org/geoext/wfs/grid.html so far layer features are not being retrieved.. I got empty grid in ...
2
votes
1answer
605 views

Connect JSON to GeoExt Application

I am returning a JSON to a GeoExt app and this is the code that is collecting the return, var control = new OpenLayers.Control.Click({ trigger: function(evt) { ...
2
votes
1answer
198 views

Disable layer checkbox if no geometry on that zoomlevel (source=wms)?

I have a map application using GXP which displays different data coming from different WMS sources. Some geometry is only available on certain zoomlevels (available via MaxScaleDenominator on the ...
2
votes
0answers
173 views

Add a layer as input with code of OpenLayers / GeoExt using GeoServer

I try to develop a GIS app with raster data. I have integrated the code of the following openlayers example in my app. http://dev.openlayers.org/releases/OpenLayers-2.13.1/examples/wps.html I have ...
2
votes
0answers
74 views

Save WFS layers multiple records with geoext editor grid

How can I save multiple records after modification with geoext editor grid? The saving is working fine if I modify only one of the records, but it fails when I try to save multiple modifications. I ...