"Web mapping is the process of designing, implementing, generating and delivering maps on the World Wide Web ..."
6
votes
2answers
891 views
Restrict pan and zoom in ArcGIS Javascript API?
I'm creating a web map of a university campus. I have the map functioning, but I don't want to be able to pan off of the basemap, into whitespace. Do you know of a function that will auto-pan the ...
1
vote
2answers
306 views
How to add custom widget into Mapguide Maestro 4.0.1?
I am developing a Web-Mapping application using Mapguide Maestro 4.0.1, in that I need to add a custom widget.
Any suggestions for, How and Where to add the custom tools in the Mapguide Maestro. Is ...
17
votes
6answers
2k views
Creating a small web-mapping/map-tiling service
I am looking for a small-scale and easy way to present one or more polygon shapefiles online (on a municipal website without any existing map-server infrastructure, to be precise). Right now, I'm ...
12
votes
4answers
430 views
How to create spatial tag clouds or “tag maps”?
I'm looking for implementations of spatial tag clouds or "tag maps". Some papers I found talk about a Yahoo Tag Maps API, but I couldn't find any such thing.
I'd prefer OpenLayers-based solutions, ...
6
votes
3answers
611 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 ...
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 ...
7
votes
4answers
1k views
GeoWebCache: misalignment of tiles
I'm trying to test simple web map based on PostGIS/Geoserver/OpenLayers stack on Windows Server 2008.
When I load my WMS layer by:
var gwctest = new OpenLayers.Layer.WMS(
"gwctest",
...
9
votes
4answers
2k views
Looking for a Table of Contents sample for the ArcGIS Server JavaScript API
Where can I find an example of a Table of Contents control to plug into the ArcGIS Server JavaScript API 2.3? Ideally it should support feature/dynamic/tiled layers; show symbology; and allow grouped ...
1
vote
1answer
563 views
PHP MapScript API Development for MapServer
PHP MapScript Tutorial
I'd like to use the PHP MapScript API and am curious how others have successfully used it to produce a site that serves up remote sensing data. I've got land surface ...
0
votes
2answers
92 views
Web site with: google map like or GIS, one million record database and a feature to run advanced search
What is the GPL way - without or with little developing - to build a web site runnning on apache which has to feature: one million record database (MySQL; which may be editable), an advanced search ...
7
votes
2answers
292 views
Usage of GeoDjango
We are creating a website that displays geographic data on map (currently using Google Maps js API). We are currently using postgres + postGIS + php. It has been recommended that I look into usage ...
5
votes
6answers
412 views
Is anyone using JSONP in Web mapping applications to get around the browser same origin policy?
Javascript based Web mapping apps that use ajax requests to get data from a server are limited by the Same Origin Policy to only request the data from a server in the same domain (subdomain and port). ...
2
votes
0answers
36 views
new administrator - Advice to choise a best web sharing GIS DATA with authorization information level
i'm a new "GIS 's needer" and i have just Pleasantly surprised to find your community ( thanks google!!!! )
I need for my office's project a appication who permit web sharing(only reading)some gps ...
0
votes
0answers
37 views
Heat map which will be auto-updated from Google Docs
I want to develop a heat map (standardized choropleth map) which will be auto-updated with data pulled from GoogleDocs. Which tools are the most helpful for developing that kind of map?
Thank you.
0
votes
0answers
426 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
...
8
votes
2answers
255 views
Options for a historic Web Map?
EDIT: I'm an intern at a small local history museum. We have a budget of $0.
Project overview:
I've got a bunch of old paper maps. When I say old, I mean 1800s and up. They've been scanned into ...
2
votes
3answers
329 views
Communication Between Browser and QGIS Server/QGIS API
Suppose I have QGIS server up and running with some vector data. Now a user accesses this data from a webpage. Would it be possible in some ways for the user to send a request to the QGIS Server and ...
1
vote
0answers
93 views
How to compute a map-to-screen transformation?
Every projection calculation I have come across dealing with the Lambert Conic projection
converts the given Lat & Long to meters.
So now the magical question: how on earth do you take the meters ...
3
votes
2answers
141 views
Selecting a suitable GIS for my project
I need to develop a web-based map using existing shape files. Using the web-map, we must be able to select a region and produce contours for that selected region. Can any one suggest the best open ...
5
votes
2answers
389 views
How to generate heightmap for UK
I already have a method to generate greyscale bitmap heightmaps from Google Earth using a long and involved manual process (see here).
Is there a scriptable way of producing a heightmap to a set ...
1
vote
0answers
208 views
Error installing/uninstalling GeoMedia WebMap Professional_6 on Windows 7 (64 bit)
On installing GeoMedia WebMap Professional_06.01.03.08 on Windows 7 Professional 64 bit. Following Error window pop up at the end of installation process or If I uninstall it.
I have .Net Framework ...
1
vote
0answers
37 views
Looking for web-based mapping software recommendation [duplicate]
Possible Duplicate:
Building a disconnected web based mapping application
I am doing research for an upcoming project and I need help finding a good mapping software solution. Here are the ...
0
votes
0answers
80 views
Adding Expires Headers to GeoWebCache Content
I've recently started sorting out the static content on our sites and adding Expires headers to it.
My question is, when it comes to the stuff in our GeoWebCache, is it worth adding expires headers to ...
16
votes
4answers
546 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 ...
6
votes
5answers
852 views
Effectively displaying a large amount of data on Google Maps APi
I have about 20 layers that I'd like to put on a Google maps API. I assume I'll need some form of a tile cache server and perhaps under mapserver or geoserver. These layers amount to about 400mb so ...
5
votes
2answers
237 views
Accessibility Mapping
The realm of cartography depicts many facets of the physical space within both urban and non urban settings. Specifically within the urban setting lies the challenge of navigating spaces such as ...
5
votes
2answers
801 views
PHP MGRS Conversion Formula/Library
Currently, the formula I'm using to convert MGRS to Lat/Long and vice versa is giving me slightly different results than most other conversion utilities. It's usually between 10 to 30 feet off. This ...
4
votes
2answers
150 views
adding large amount of data [arcgis 9.x javascript api]
I've got problem, I'm creating map based application, and now I have to add to map about 100 000 graphic points, from coordinates.
I was trying in many ways to do it, but always process of adding ...
2
votes
1answer
172 views
How to generate thumbnails from shape file and display them on my website?
I tried to generate thumbnails from shape file and display them on my website(using jsp).I had been read this and this question .Very similarity questions ,but I know nothing about python... Is ...
4
votes
1answer
879 views
Definition of a BBOX in Web GIS
In my practice I use a lot WMS and WFS in Geoserver. I have not found a document describing the concept of a bounding box(bbox). ArcGIS has map extent properties to identify map boundary. Google ...
4
votes
2answers
444 views
From pdf to google maps overlay
First post, so be gentle.
Context - I'm doing some research into healthcare provision and I'd like to visualise the data. I'd like to be able to put these PCT boundaries
as an overlay to google ...
2
votes
2answers
241 views
Workflow process to style vector data using GeoServer
I'm starting to get a better understanding of map-servers in general, but I am still unclear on how best to use GeoServer. At the moment, I use web-hosting to store the web-browser related parts of my ...
4
votes
2answers
244 views
How can I setup a simple web mapping system?
I'm new to mapping and GIS and I'd like to setup a mapping system to display informations on a map, I think the following could work but I'm not sure how good it is..
1- I store my data (lat, lng ...
3
votes
1answer
444 views
How to create mapping application with user input to dynamically weight/shade map layers
Does anyone know of any examples of web-apps that allow user-input to change variable weights used to calculate symbology?
My organization is looking to build a dynamic mapping application and while ...
10
votes
3answers
588 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 ...
7
votes
6answers
509 views
Maps zoomed around specific locations (magnifying glass effect)
How do I create a static map where the scale varies based on location?
Example: to drive from a specific location X in Albuquerque to a
specific location Y in Chicago, I want to "zoom" around X and ...
0
votes
1answer
239 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 ...
3
votes
1answer
181 views
How to keep web map from displaying content from 2 zoom levels at the same time?
So I'm making a web app with a map that combines several layers (and dynamically toggles them off & on). I've made these layers in TileMill, exported them to .mbtiles files, and I'm serving them ...
1
vote
0answers
311 views
ArcGIS Javascript API: Force the fit option when zooming via rubberband selection with tiled map services
We're using ESRI's ArcGIS Javascript API with a tiled basemap and when the user zooms in using a rubberband selection via the navigation toolbar the map sometimes zooms in too far. This is apparently ...
2
votes
1answer
346 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 ...
1
vote
1answer
595 views
ArcGIS javascript api: Convert a map service with projected coords to web mercator
here I see a question about tiled map services. But what about dealing with an arcgis server map service in a projected coordinate system like say 2278, how would I convert this to web mercator so ...
5
votes
1answer
226 views
GIS-based reporting and maintenance tool
Background
Conceptually, I am looking for a tool, or suite of software tools that can be readily integrated to help browse data using a GIS-based map (such as Google Maps). The proposed architecture ...
5
votes
1answer
91 views
Interactive geographic region definitions
Background
An organization has regions within a province, but has no list of coordinates that define region boundaries. I would like to draw custom polygon areas on a map using a web-based and ...
0
votes
0answers
61 views
GIS web development [duplicate]
Possible Duplicate:
Steps to Start Web Mapping
I want to create a Web GIS using an open source software.Also the software should be capable of importing shape files and kml.I have good ...
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(
...
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 ...
-3
votes
1answer
388 views
How to connect QGIS with Visual Basic?
I'm an final student at one university, i need to make one project to make web based GIS application using open source. I select Quantum to make this project. Here i want to ask anyone, how to connect ...
4
votes
1answer
121 views
Looking for collaborative webmapping projects
I´m looking for opensource collaboratiave webmapping projects which allow vector editing, wms display and other features like comments, photo-uploads etc.
I´ve only found Ushahidi and Sahana so far, ...
3
votes
1answer
889 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 ...
6
votes
1answer
338 views
Data visualization and maintenance tool
Background
Looking to leverage an existing GIS system for exploring organizational data.
Architecture
The following figure represents a high-level overview of the system's desired features:
The ...
