JavaScript Toolkit for Rich Web Mapping Applications
10
votes
3answers
2k 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 ...
8
votes
2answers
198 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 ...
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 ...
6
votes
3answers
3k 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 ...
6
votes
3answers
541 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
2k 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 ...
6
votes
0answers
177 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 ...
4
votes
3answers
2k 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 ...
4
votes
1answer
446 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 ...
4
votes
1answer
1k 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
0answers
110 views
Could someone suggest a good GeoExt Tutorial?
In my research I've found these two, which are only explaining the basics.
http://workshops.opengeo.org/geoext/index.html
ftp://ftp.itc.nl/pub/jmmgnl/GeoExt_Workshop/GeoExt-Workshop.pdf
And of ...
4
votes
1answer
253 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
548 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
2answers
706 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
2answers
866 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 ...
3
votes
1answer
594 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
1answer
351 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
4answers
4k views
Why is this ExtJS combo box not filtering?
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 ...
3
votes
1answer
516 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
477 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
2answers
833 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
222 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
1answer
94 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 ...
2
votes
1answer
46 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
2answers
162 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
3answers
394 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
208 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
1k 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
130 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
282 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 ...
2
votes
1answer
237 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
297 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
163 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
27 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 ...
2
votes
1answer
63 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
124 views
Updating filter values and update map
I'm developing an ExtJS3.4-GeoExt1-OpenLayers2.12 GIS application.
For basic functionality I need to filter layers to get specific data from a Geoserver WFS layer.
Filter is done through the ...
2
votes
0answers
289 views
How to add multiple nested node in GeoExt
I have following codes, but i want to add severel parent>child>chill>child>child (4 level inside) nodes with all check box options (for user choice) in the tree panel, in fact sum of all these (parent ...
2
votes
2answers
348 views
OpenLayers.Format.GeoJSON throws an exception “SyntaxError: JSON.parse: unexpected character” for valid JSON
In my GeoExt client, I have the following line that retrieves JSON data from a web service into a FeatureStore:
var store = new GeoExt.data.FeatureStore({
layer: route_layer,
fields: ...
2
votes
0answers
232 views
GeoExt.Popup and get GID
I'm using GeoExt.Popup to create a popup when a user click on an WFS (point) on the map.
When the user click on a point on the map I want to send the GID (primary key from DB) to a servlet or JSP to ...
2
votes
2answers
486 views
GeoExt Popup is blank
I am doing the sample example from OpenGeo WorkShop. It's about creating simple popup. I get popup but with blank no feature information? I am using geoserver with geoext.
controls.push(new ...
2
votes
0answers
661 views
GeoExt (ExtJs + OpenLayers): bug in IE9 when try to change map_panel from container A to container B
Techonology: GeoExt, which combines ExtJS with OpenLayers
I am trying to dynamically change the app layout by changing a map_panel from container A to container B, and vice verse; basically, for each ...
2
votes
0answers
530 views
Proxy trouble with GeoExt Query Panel?
I got the GeoExt QueryPanel working so far, it recognizes the layers available on my Geoserver but it is not able to get the attribute columns for the dataset. I configured an osgeo proxy on my Apache ...
1
vote
2answers
665 views
GeoExt Legend Modification To Include Feature Count
GeoExt has Legend capability but is is quite basic which shows only feature types like in example http://api.geoext.org/1.0/examples/legendpanel.html. How could it be modified display legend with ...
1
vote
1answer
67 views
How to make timeline with OpenLayers?
I have OL, GeoExt, gxp.
I have a layer with Date attribute. So i want to show features with same date.
I found example using gxp_playback, but its not work couse its cant find ...
1
vote
2answers
182 views
Openlayers controls outside the map
I want put OpenLayers controls outside a map but dont know how. I find this example http://openlayers.org/dev/examples/editingtoolbar-outside.html but its not what i want. I have a button and want ...
1
vote
1answer
118 views
GIS Layer Versioning In GeoServer
i have developed the application for editing the map features online but i want the features to be saved as version of the layer not in original layer.this work is done using GeoExt ...
1
vote
2answers
2k 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 ...
1
vote
1answer
188 views
How to use filter in GeoExt.FeatureStore?
I have a FeatureStore:
var protocol=new OpenLayers.Protocol.HTTP({
url: ...
1
vote
2answers
199 views
How to print a vector layer over Google map? “Physical Printing”
I use Geoserver, Openlayers, Extjs and GeoExt to build an app.
I am trying to get vector layer on Google map printed with pop up a Print dialog, I tried :
var targetElement = Ext.getCmp('mapPanel');
...
1
vote
1answer
912 views
Sencha / Extjs 4 with GeoExt 2 - How to use
I'm working on Sencha Architect 2 - extjs 4
i found out that GeoExt doesn't work with extjs 4. but i really need to use it so i searched and end up here https://github.com/geoext/geoext2
I'm trying ...
