Tagged Questions
1
vote
1answer
36 views
How to show Two Labels of One feature In Geoserver…?
I have prepared a Web GIS Map using Geoserver-Openlayers_Postgis....For One Feature I need to show two labels such as "premise_no' & "bld_name'...
The following is the xml I used for styling(in ...
1
vote
1answer
58 views
Simple WebMapping application with postgis Database
am very new to web-mapping, so this question may be a little misguided.
I want to develop a simple web mapping application using OpenLayers which can display Cadastral information that are currently ...
1
vote
1answer
30 views
Display information while map is zoomed using OpenLayers
I have a map being rendered by OpenLayers using GeoServer which is serving maps using PostGIS. In the database for each line feature type (i.e road), I have the name of that road.
I'm looking for a ...
3
votes
2answers
59 views
How to develop a web mapping app to upload, process, and download results?
I would like to make a web mapping application where a user can import their own x-y-z data file, then the application applies filters that I write to it, contours the resulting data, then displays ...
1
vote
1answer
33 views
Display mouse position from graph on a map
i need to develop a web application which shows a map, that displays a GPS Route.
So far I can do this using Openlayers or ArcGIS Server.
Now I want to add an interactive graph below the map. In this ...
12
votes
4answers
259 views
Comparing two maps with nice web interface?
Is it possible in Leaflet or OpenLayers to compare two maps with a bar to slide between the two?
Examples include:
...
5
votes
1answer
113 views
Possible ways to display maps offline, inside mobile hybrid app
I want to develop a mobile hybrid application to run on both Android & iPhone devices in which i want to display my own map data. I have the SHP files with the data i need. I have Geoserver and ...
2
votes
1answer
64 views
Problems with inspect element in browsers
I use google chromes inspect element for debugging.
I have a map displayed on my page with 1 base layer (osm) and 2 overlays (wards, points) and a highlighter control. The map displays and works ...
0
votes
0answers
65 views
How to create a collaborative mapping website?
I have read about webservers, static and dynamic pages, cgi-bin...
I can create a simple web mapping service in which a map with layers and controls will be there.
And now I want to provide login ...
2
votes
2answers
180 views
Do the recent developments in the Google Maps API replace necessity of OpenLayers?
I think the main drawback of the Google Maps API is that we can't add our own vector data or raster imagery as one of the layers in the map. Is this correct? Or is there any alternative in the Google ...
1
vote
1answer
170 views
How to create shortest route and multiple routes service using openlayers?
I created a digital database of many important features and locations of my city. and I want to create a web application in which shortest distance between two locations can be calculated and ...
1
vote
1answer
64 views
When we type an address in search bar, in some web mapping applications like google maps, a list of words automatically displayed from the database.
What is actually happening behind the code and how should be the code?
when we search for a specifc word, will it look in the database (here it is postGIS) and lists the similar words.
3
votes
2answers
152 views
What are the requirements for building a Web Mapping and analysis Site?
I want to make a site like bhuvan in which it can provide different layers of information and also tools for performing GIS analysis
I know three main requirements :
client side scripting ...
0
votes
1answer
225 views
How to draw a linear map programmatically?
I'm new to GIS programming and I'm using OpenLayers for my GIS project. I want to know how to draw a linear map programmatically between two locations from a real geographical map (may be OpenLayers). ...
3
votes
1answer
233 views
How to set up a background map in WGS84 projection for interactive map?
I've started developing my own interactive map and I have some things which are not clear to me.
I heard that OSM, Google maps and all similar maps use Google Mercator projection. But if I use that ...
3
votes
1answer
379 views
Problems with gxp Print plugin via opengeosuite sdk
I am trying to import the print plugin within an application built using the Opengeo Suite sdk and I have run into issues as is described in the following thread
...
1
vote
1answer
121 views
OpenLayers AnimatedCluster delete all features
I am using OpenLayers.Strategy.AnimatedCluster in my application in order to cluster and show points to the end-user. The example is here. All points are located in concrete vector layer. I need to ...
0
votes
2answers
114 views
What are the top best webmapping API clients? [duplicate]
Possible Duplicate:
Comparison of JavaScript mapping libraries?
I am looking for the top APIs that I can use to display maps from a number of map servers/sources. (like openlayers and ...
2
votes
1answer
152 views
Vector Layer not visible in openlayers
I'm trying to create a map where I have one wms layer and then a vector layer which is created from a kml file - held in the same directory as the web page.
I'm trying to implement the cluster ...
5
votes
1answer
240 views
Is dynamically generating Choropleth maps a solved problem?
I am trying to work out what mapping tools I would need to use to dynamically create Choropleth maps from our data.
I am working on a project where the backend is a big database of statistics, and ...
1
vote
2answers
245 views
Make Openlayers request WMS tiles only within a certain bounds
Is there a way to actually tell openLayers not to request tiles out of particular bounds?
I want the rest of map and other layers still accessible, so maxExtent on map is not an option for me. I ...
3
votes
2answers
482 views
How to 'highlight' a selected country?
All,
Over the past several days I've read as much as possible regarding the OpenLayers API (within a JavaScript/jQuery environment), yet I'm still having trouble in getting my head around what I ...
3
votes
2answers
228 views
Design question: what's the role of WFS-T in this kind of webapp?
I have more experience in "traditional" (Java EE) webapp development, and I am trying to figure out a decent design for a mapping web application.
My application has a map, and users can see and edit ...
1
vote
1answer
278 views
Creating a GeoExt Action from OpenLayers Function
I am trying to create a GeoExt function out of this OpenLayers function, which displays the getFeatureInfo.
I was able to create this GeoExt.Action() but it does not give me any output. Any idea ...
1
vote
2answers
274 views
Problem with panning and zooming in OpenLayers
I'm interested in detecting when a user moves or pans a map so that I can run a new query on a database based on their location. However, the following code causes the panning and zooming controls to ...
1
vote
1answer
165 views
Web mapping with Openlayers
On a pedestrian wayfinding scenario, I need to drape some extruded buildings close to the road as the user navigates along the road on a 2D Map Background. I hope I can use OpenLayers and ReadyMap for ...
6
votes
3answers
601 views
30,000 data points… can this be reasonably served using openlayers?
I'm trying to tackle a web GIS problem and need to figure out the best strategy. I have a map with 30,000 cells on it forming a grid for the province of Alberta. I have a list of data points for ...
3
votes
3answers
1k views
OpenLayers change feature's style
Working with OpenLayers 2.11, I'm desperately trying to change my feature style as the user selects it (fairly simple I agree!).
Indeed, It seems easy but I can't see where It fails, perhaps someone ...
4
votes
2answers
1k views
Animate feature in openlayers
In my map web app, I have a play pause button that show vehicle route history.I get lat lon from database and create route that vehicle traverse.
At below site go to history tab after and choose ...
16
votes
4answers
542 views
Advice on a generic open-source package roadmap
I just wanted to ask an advice from the open source GIS gurus on a recommended stack to use for my envisioned project, as I do not fully understand the limits of the possible with most packages. I ...
0
votes
0answers
423 views
WFS layer from Mapserver into OpenLayers connection error
I have been working for last 15 days to connect setup the WFS service on Mapserver into OpenLayers I tried examples from Mapserver but did not work out .Following is the Map file code snippet
MAP
...
33
votes
3answers
4k views
Openlayers Animation Examples and Algorithms
i wonder for a long time if people in this community uses openlayers for animation needs.
we have know this that animating on browser is a little bit exhausting for it but when a map meets with ...
0
votes
1answer
238 views
Unselect all layers and clear the legend in Openlayers
Is the there a way of clearing the legend in Openlayers by unselecting all the layers? We have a map that starts with several layers.
I was thinking that we might be able to add a button to the ...
2
votes
1answer
344 views
Which web application framework is easiest for building website displaying lot of geospatial data?
I am building a simple website that displays a lot of geospatial data (which is routed through Geoserver). I was trying to use Drupal-6 to build the website component (non geospatial descriptions) but ...
10
votes
3answers
919 views
Understanding web mapping tools
Before I start, this is going to be a general question but with specific cases. I've been trying to understand GIS tools and applications to achieve the following:
Build my own basemap
Publish the ...
1
vote
1answer
1k views
How to display pop up image when click point in open layer web map
I have basic WMS web map showing parcels and points layer which representing buildings of parcel.Then I want to add building images for each and every point. Then when a user clicks on a point image ...
2
votes
2answers
2k views
Openlayers - Zoom to selected feature
if I have this vector layer:
var vectors = new OpenLayers.Layer.Vector("vector", {isBaseLayer: false});
var feature = new OpenLayers.Feature.Vector(
OpenLayers.Geometry.fromWKT(
...
3
votes
1answer
885 views
How to prepare or normalize raw shape (.shp) files for Openlayers use
Hi all it seems like I am having difficulties in normalizing raw map files' resolutions to openlayer's use most probably in parameters mapext and imgext. I hope you can help me with this.
Using raw ...
4
votes
2answers
1k views
Why is there a small white space between tiles in Chrome?
I'm using openlayers to display a google base-map layer and it works fine on Firefox/IE/Safari. I'm having problems with Chrome as the tiles have a small white space between them shown in this image.
...
0
votes
2answers
928 views
GIS Web API - WFS-T Edit
My organization has a asset management application using Google Maps Java API as the GIS viewer. The application does some simple editing/querying on a kml file through html form elements.
Instead ...
2
votes
1answer
852 views
How to choose between Markers and Features for drawing Openlayers objects?
Yesterday I was trying to create first mock-ups of my GPS tracker interface, and was exploring the available OpenLayers objects for drawing on a map.
I began with simple task - placing a marker on a ...
3
votes
1answer
326 views
How to save a Leaflet or OpenLayers map for opening later?
Can a webmap state be saved to a text file or something for restoring later?
Like if I set up a map with a particular zoom and choose my layers and draw a polygon or two, can it be saved to a file and ...
0
votes
1answer
230 views
Google Map layer loads tiles even if this layer is disabled in OpenLayers
Sorry for cross posting I've asked this question in OL mailing list, but not get response yet. It is very important for me to resolve this issue. I've made a little example that reflect my problem. ...
5
votes
1answer
474 views
What server and API to use for displaying complex polygons with dynamic symbology?
Background
I need to interface a map into an existing website which allows the user to query a database and which currently results in a table listing population statistics per county.
For example, ...
1
vote
1answer
1k views
Loading a raster using Openlayers and Mapserver
I'm trying to load a raster into my browser using Openlayers. I can examine my WMS raster layer using OpenJump, but I'm not able to get it to load into my browser. My mapfile is as follows:
MAP
...
4
votes
3answers
277 views
How to choose a language for web map development?
I am building a web map application using:
GeoServer
OpenLayers
Tomcat
I would like to build a web application, where the user can log in and have the map arranged according to their profile. ...
10
votes
3answers
585 views
Web mapping software for a huge raster time series?
I'm an ArcGIS Desktop user who is stepping into the world of web mapping for the first time. Following advice I found here on GIS.SE, I started with the free tutorials from OpenGeo.
However, I ...
11
votes
2answers
3k views
OpenLayers alternatives supporting more client-side features
I am considering different architectures for a system that will ideally use client-side rendering for point features and must be plugin-free. I have been using this application developed in response ...
1
vote
3answers
323 views
How can we improve the OpenLayers documentation? [closed]
I have difficulty understanding the documentation. Is it just me? Are there alternative sources of information?
11
votes
8answers
6k views
How to Create Animated Cluster Markers in OpenLayers/Leaflet?
I want to use Leaflet due to the smooth transitions which Openlayers seems like they can't match. I specifically require the ability to cluster markers with custom styled marker groups.
The best ...
