Ext JS is a JavaScript library for building interactive web applications using techniques such as Ajax, DHTML and DOM scripting

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Error during visualization of many layers on Chrome (ExtJS, GeoExt, OpenLayers)

I've noticed that on the latest version of Chrome (36.0.01985) my application crashes when a lot of layers are displayed (and/or the browser is maximized and the map is zoomed out). In particular, the ...
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10 views

Login / Logout Geoserver Geoext

I am quite new to Sencha and I am trying to create a WEB GIS including GeoExt and Geoserver! In Geoserver I have created users and roles that;s why I need to create Login Logout but I can't find a ...
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1answer
46 views

how to make a delay to wait for the map to load

I have a question here. What code could I use to basically make it wait for the program to load the map first after the zoomIn command. Here's a part of my code. for (var z = zoomfrom; z <= ...
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0answers
18 views

GeoExt 2 ComboBox customization

First question so will try to be as thorough as possible. I'm trying to customize the GeoExt.form.field.GeocoderComboBox to use Here maps geocoder. I can get the label field to display in the combo ...
4
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1answer
51 views

Layer is refreshed after an ajax request with openlayers

I can't understand why my vector is empy after this ajax request : function loadKMLTMINT(terminalcode) { MapPanel.el.mask(); Ext.Ajax.request({ url: 'php/GetKMLTM.php', ...
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1answer
69 views

Can GeoEXT 2.0 be used with ExtJS 5.0?

I've just been looking at Ext 5.0 which has some changes. I'm wondering if it's compatible with GeoExt 2.0. There seems problems with GeoExt.Popup
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1answer
34 views

Change layer styles based on ComboBox search?

I'm using a combination of OpenGeo Server components and hand written GeoExt code to create a map interface. I would like to have a ComboBox that queries the OpenGeo PostGIS database in order to ...
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94 views

Error when running a geoext example

I have the following source code (MapAndTree.js). This file belongs to a extjs 4.2 MVC app: var mypanel = Ext.create('GeoExt.panel.Map', { border: true, region: "center", // ...
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54 views

How to load WMS Layers automatically when using heron MC

I'm using Heron MC with extJS, GeoExt, and OpenLayers 2.13. At first I try the default configuration of the Heron MC and every layers load automatically when I opened the webpage. However, when I ...
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1answer
34 views

search a point of interest using GeoServer

I develop an application of webmapping using GeoServer, GeoExt and ExtJS. I want to search my points of interests (layer that exist in GeoServer) so i create a two combox where i have to put the ...
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91 views

Looking for mobile web app map control that can handle layer redraw with good performance

I want to develop mobile web app to track GPS coords in real time (refresh every 10 seconds) from geoserver. Currently I have desktop site I wrote in ExtJS 4 and it works pretty well (Openlayers + ...
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1answer
34 views

WMS Geometry Vector point label Styling

How can we add category based styling to geometry point my application show geoserver rendered map, and all the map POI are directly fetched from database and shown to the map.i need know how we can ...
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49 views

GeoExt2 Missing scroll bar on Android chrome in tree panel

I have a panel which extends GeoExt.tree.Panel. While browsing the site with my LG G2 I've noticed I don't see any scroll bar on the panel. My Desktop : My Phone : I'm using GeoExt 2 with ExtJS ...
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1answer
63 views

Display WMSGetFeatureInfo as tooltips geoExt

I load a map with data and collect information in a json file I want a tooltip appear when mousing over a town on the map I wonder if you have devised. thank you var vecLayer = new ...
4
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1answer
147 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 ...
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1answer
462 views

ExtJS+GeoExt LayerTree (Map and Tree in separate views) Cannot get layers store to work

I have an Ext application i'm setting up and one of the page panels is a GeoExt map. The layerout of the map area is set up like this: MapTabs - Arctic Map Tab - Map View - Layer Tree View ...
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46 views

How to use “outputConfig” to configure LayerPanel from GXP

Can outputConfig be used for functions too - not just configuration? I have this code in geoexplorer.js (using GeoExplorer 2.4.3) which doesnt work: var GeoExplorer = Ext.extend(gxp.Viewer, { ... ...
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3answers
523 views

ExtJS 4.2 layout crush on latest chrome but not on old one in full screen

I've noticed that only in chrome my GeoExt app crush when I open many layers. If I resize the window , the layout seems to look good , once I resize to bigger screen , it mess again. The app code ...
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1answer
247 views

Improve performance of Ext Grid with GeoExt WMSCapabilitiesStore

i have a question concerning the performance of the Ext Grid when loading big datasets from the GeoExt WMSCapabilitiesStore. My application loads about 2500 layer records in an Ext Grid Panel. Once ...
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229 views

listerner for multiselect in ExtJS

I'm using ExtJS 3.21 Version. Can we provide listerners for multiselect in ExtJS? items:[{ fieldLabel: 'Vehicle List', xtype: 'multiselect', autoScroll:true, name: ...
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1answer
80 views

Action zoom in a button

In my code, I have a button that displays information in my gridpanel and it add a vectorlayer in it. I want to add zoom on those polygon, but I did not succeed My code: testlayer.events.register( ...
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108 views

GeoExt 1.1 FeatureStore featurefilter

I'm new to GeoExt and ExtJS, and I've started to set up an small project. Within this project I get my features dynamically generated by an MySQL-database as KML. I import the features as an ...
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1answer
685 views

OpenLayers is not defined while accessing over the html and js

The above is my working directory, all html files are under WebContent folder and the problem is that when all the code is written in a single html file working fine. If I split the OpenLayers code ...
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2answers
235 views

GeoServer map layers/tiles Loaded in the screen or Not

I'm using OpenLayers - 2.11,GeoServer 2.13, ExtJS 3.4, and Java for developing GIS based web applications. Please guide me to check if all my GeoServer map layers/tiles Loaded in the screen or not. ...
2
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1answer
835 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) ...
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1answer
195 views

Map is broken on GeoEXT when dir=rtl in chrome (pics inside)

I've created a GeoExt app with simple map and east panel. When I change the dir to rtl it works fine in FF but in Chrome the map isn't scrollable. LTR: RTL: Here is the link to my site (with ...
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1answer
73 views

How to unselect WFS feature using geoextjs2?

I am using Openalayer 2.12, extjs 4.1 and geoextjs 2. I have created toolbar using geoext js Using link. Now in this link you can find select feature. but i have modified the code as action = ...
2
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1answer
874 views

How to create 3D web application using Open Source GIS software?

I'm using OpenLayers - 2.11,GeoServer 2.13, ExtJS 3.4, and Java for developing GIS based web applications. How can we create GIS based 3d application like below attachment using opensource softwares ...
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1answer
197 views

Show previously loaded tiles while loading (zoom in or zoom out) map

How to remove the white tile part(map loading area). While zoom in and zoom out, the white tile part is appearing on the map(map loading area). How can we fill that area with the history image? Is ...
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0answers
325 views

Set toolbar and its tool size(height and width) using Ext js and GeExt js

I am using toolbar in map panel of geoext js. I have use action = Ext.create('GeoExt.Action', { text: "Tool", tooltip: "Sample Tool", icon: 'Images/img.png', handler: function() { ...
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1answer
41 views

Obtaining a handle for newly created map in GeoExt

Hopefully a straightforward question... I am following the example based on this page here http://www.geoext.org/lib/GeoExt/widgets/MapPanel.html to create a map within a window, here's my code: new ...
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125 views

How hidden/not include particular layer getting added in Tree panel?

I am trying to show tree panel using GeoExt js 2,Ext js 4 and Openlayer js 2.12. Now i want some/one/particular layer in map/mappanel hidden/ not to be include in tree panel. my code for store and ...
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247 views

How to get layer name on selection of layer in tree panel and show layer value in grid panel?

I am using Geoext js 2 and ext js 4. I am trying to get layer name for selected layer in tree panel. I wanted this to show the layer table in grid panel. My code if as follow: var tree1 = new ...
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1answer
278 views

How to change default image in tree node with GeoExt

I'm using GeoExt to create a tree. In each node I want the corresponding image at left instead of the default image like this site. How can I do it? Edit I found this example but I don't know how ...
0
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1answer
334 views

GeoExt: Turning off layer title in legend

I am using GeoExt for my web mapping project. My web map includes a legend generated by GeoExt. Is it possible to turn off the layer title for a specific layer in legend? I am aware that there is a ...
0
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1answer
86 views

request two layers in search action of one PanelForm

here's my case: i have a panelForm with 4 fields, and a search button, that search for the features that correspond to the 4 fields given by the user. and i have two layers that both contains the 4 ...
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2answers
237 views

problem with search (formPanel)

am new to GeoEXT and am trying to do the search with form panel. and i want to search features from 2 postgis table, published in geoserver, this features correspond to the field on the formpanel and ...
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125 views

Diferent Line color and Diferent Markers at the same time

i'm about to develop a GIS Track App, but until now, i'm testing with some codes, that i've been creating, but for my project we are going to use XML as data records, today, i am able to create a ...
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1answer
219 views

creating map not working

am following this tuto to create a map on web with geoserver, GeoEXT, EXTJs, and openlayers here's the linki downloaded ext 4.2.0, openlayers 2.12 and GeoEXT 1.1, when i try to show the map : ...
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0answers
111 views

How to bring workspace layer to one combo box and once layer selected in this attribute of this layer in other combo box

I want a layers in workspace in combo box.Once i select combo box i want attribute in selected layer to in other combo box. how can i do it. I am using geoserver, openlayers, Geoext and ext js. Can ...
2
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2answers
462 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 ...
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1answer
492 views

How get Map extents for draw polygon when final click is done?

I am using openLayer js to draw a polygon and now i want map extents of the drawn polygon one final click (i.e. user finish drawing polygon or double click is done). For drawing the polygon i am using ...
3
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3answers
2k views

Ext JS 4.2 and OpenLayers without GeoExt

Is it possible to use only Ext JS 4.2 and OpenLayers 2.12 without GeoExt or anything else? (to make a basic map application) I couldn't find any example.
2
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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 ...
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1answer
401 views

Center a selected point on map. Openlayers + Geoext1 + ExtJs3.4

I've got an ExtJs combobox next to the map with several points of the map that are provided from a Postgis database through Php/XmlHttprequest. At the same time I've got a map with all points ...
2
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1answer
715 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 ...
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1answer
121 views

How to replace protocol in geoext.form.formpanel‏‏

I've been scratching my head over this and I'm wondering if this is possible. I want to replace the protocol of the GeoExt.form.FormPanel in the following way: to render the formpanel, I defined a ...
2
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0answers
766 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 ...
0
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1answer
85 views

trying to create array reader for feature fields

I am trying to create a functionality that creates array data for any layer that user selects. Now I am able to get all the data in the feature layer that the user selects but I am having some trouble ...
0
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3answers
707 views

Trying to fetch feature data by intersecting Vector Polygon and WMS feature layer

I am trying to intersect a user defined polygon with a Point WMS Feature Layer. I am using the following code action = new GeoExt.Action({ text: "draw poly", control: new ...