A visual representation of an area-a symbolic depiction highlighting relationships between elements of that space such as objects, regions, and themes

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2
votes
0answers
207 views

Plot csv data on a map

My boundaries shape file has the following attributes; CODE, PROVINCE, AREA, SHAPE_LENG and SHAPE_AREA (note that there are no geo- coordinates). My data on the csv file has the following fields; ...
1
vote
1answer
377 views

How do you get the coordinates from a drag event in the Google Maps API V3?

I have made a Google Version 3 Geocoder , I want to be able to pick up the coordinates of the route when it is dragged. I know how to pick up the coordinates giving the start and end points, but, ...
30
votes
5answers
11k views

How to make beautiful maps in R?

There are quite some nice possibilities to analyse spatial data in R and in the context of my current project I would like to use R more frequently to do that. Until now I plot my maps with ggplot2 ...
2
votes
2answers
227 views

Is there a geo-fence map of Apple's or Google's reverse geocoding?

Is there a map that shows how lat/long maps to locality/county/sublocality/subadmin and possibly covered area?
2
votes
2answers
341 views

How to improve the precision of KML files on Google Maps?

I am adding kml file to the google maps (api v3). Now the problem is that on google earth and google maps the accuracy of my kml decreases to kilometers. I am designing constituency boundaries and i ...
4
votes
1answer
186 views

Does Oracle MapViewer support PostGIS?

I use Oracle MapViewer to generate my mapping data and currently I'm using an Oracle database as my spatial back-end. I would like to move my data over the PostGIS but I can't find any references if ...
1
vote
1answer
1k views

Wrong coordinates in data when projecting in world map (qgis) [duplicate]

Possible Duplicate: How to find the proper coordinate reference system with two sets of data using different measurements or too convert one system into another I'm fairly new to the GIS ...
2
votes
1answer
172 views

I want to create my own topographic map

I need to create topographic maps for scales between 1:100,000 and 1:500,000. This is due to the fact that the official topographic maps in my country are offered in 5k, 10k, 25k, 50k, 100k and 500k. ...
8
votes
1answer
7k views

How can I render latitude-longitude coordinates on a map with D3?

I am trying to overlay dots of arbitrary sets of longitude-latitude coordinates on top of a United States map. So far I have found the D3 cartography example, but when I try to place dots on X,Y ...
3
votes
1answer
256 views

Customizing opentripplanner webapp

I am using opentripplanner for an app development. I want to customize the webapp. It has many different maplayers (its using openlayers). I want to change some mapslayers, but i couldn't find in ...
3
votes
0answers
182 views

How to make a visual realistic map containing mountain hiking trails/tracks?

I would like to try making a map that visually reproduces a mountain/hill and contains hiking trails, just like this one: http://i.stack.imgur.com/PdcnM.jpg I imagine some steps like this: Generate ...
4
votes
3answers
226 views

How to print from arcpad without buying more ESRi sofware?

I am running ArcPad 10 in windows 7 on a laptop and on a field unit consisting of an Ashtech MobileMapper 10 as a PDA talking to an SXBlue GPS. This system provides the real time half meter (without ...
4
votes
1answer
242 views

Transit webapp development (journey planner)

I am going to develop a journey planner (like Google transit), i was just wondering that if there any opensource API available that can help me, or i have to do every thing on my own. And where can i ...
1
vote
0answers
143 views

Creating responsive interaction with tiled maps

I think I may have two conflicting aims but... I need to create responsive Choropleth map very similar to http://leafletjs.com/examples/choropleth.html or ...
2
votes
0answers
473 views

Openlayers text layer is not working

I am trying to load markers from a text file using openlayers text layer, but no marker is shown, text file and icons are in same directory. However I am able to show markers using marker layer. My ...
2
votes
1answer
453 views

How do I export neighbourhoods in wikimapia to KML file [duplicate]

Possible Duplicate: How do I export from Wikimapia to KML I am trying to export the neighbourhoods in Wikimapia to KML format. Is this possible? These are all the predefined neighbourhoods ...
1
vote
1answer
314 views

Small Idea to get best path between two points

Guys I don't know if its a good place to post ideas or to ask general questions. Still as the question is related with maps service, I am posting it here. If it's not the right place, please move me ...
2
votes
3answers
6k views

Google Maps/Google Earth - KML Overlays and Custom Orientation

I am am trying to get the floor plans for our various buildings imported into 4 separate KML files, one for each floor level so that I can toggle them with javascript. I'm able to overlay our floor ...
1
vote
2answers
546 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 ...
2
votes
1answer
896 views

How to design markers - raster or vector?

I have several layers that are point geometries. I am defining them custom markers symbols and such symbols have colors (red, yellow and green) to represent values. Since there are several of them in ...
1
vote
1answer
122 views

Mapping reefs in Madagascar using R

I need to project a number of reef sites onto the coastline of southwest Madagascar. I was hoping to use R for this as I find ArcGIS too big and clunky. I need to create a basemap for both the reefs ...
3
votes
1answer
419 views

making choropleth maps using PostGIS Windows

i read an article on chicago tribune blog about making maps, it consist on "making choropleth maps using PostGIS, TileMill, Mapnik and Google Maps" on Mac environnement, my question is how we can ...
4
votes
1answer
9k views

How to highlight the area in google map on mouse hover

I want to implement a feature in my app (gmap powered) to highlight the area on mouse over. Much like the functionality in wikimapia. Check out the pic or url But i could't find any info on how ...
2
votes
1answer
1k views

Polymaps Project + Geojson + D3

How are you doing ? I am Mehul Nahar working on a project which is similar to http://www.tableausoftware.com/learning/examples/gpa-analysis. I have used Polymaps platform, where I have used cloudmade ...
1
vote
0answers
368 views

pdf google maps export

In my php+postgis+geoserver+OL application I have to export a map in a pdf file. This map has two layer: the base is a google map layer and a vector layer as overlay. Is there a way to make a pdf ...
10
votes
4answers
384 views

Where can I find historic maps of city size?

I'm interested in examining basic dimensions of city size, primarily area (though population would also be of interest) from the earliest possible records. It does not matter where the city is in the ...
2
votes
1answer
1k views

OpenLayers: add a listener to a single polygon

I want to add a listener to a single polygon. Currently, I am trying to add one that makes a polygon opaque when you click on it, but I should be able to add any general listener. OpenLayers.Layer has ...
2
votes
0answers
22 views

Cloudmade Web Maps API Geocoding Issue [duplicate]

Possible Duplicate: Cloudmade Web Maps API Marker Clustering problem I'm at Geocoding in Cloudmade Web Maps API. I've the code below. Whenever I try to access the page, content of elements ...
1
vote
0answers
403 views

Cloudmade Web Maps API Marker Clustering problem

I've just started learning Cloudmade Web Maps API. I'm at marker clustering, and I'm facing a strange problem; whenever I try accessing the page below, content of elements must consist of well-formed ...
3
votes
2answers
800 views

esri google maps api - Create a single GPolyline from an array of features

I'm using the esri google maps extension api... I have a esri.arcgis.gmaps.FeatureSet() (of type esriPolyline) containing an array of features (esri.arcgis.gmaps.Feature()). Is there a simple way ...
3
votes
1answer
762 views

What is wrong with this Proj4 transformation?

I'm implementing support for WMS maps in my company's software. Servers return a list of projections their maps are available in, but our software only displays data in WGS84 (lat/lon or UTM), and ...
1
vote
1answer
470 views

offline ovi map in desktop application

I asked a Map related question in the main Stackoverflow site before I realised this is the right place for it. Any help with respect to this question is appreciated . Here is the link to ...
1
vote
1answer
604 views

Unproject Radius with Openlayers with CRS:84 Projection

I have made a Openlayers integrated map that lets you draw a circle, On completion of the circle I have told the map to give me , Bounds, Center Long and Lats, and lastly the radius. My problem is ...
2
votes
1answer
1k views

how to get Coodinates after Resizing a feature Openlayers

I'm trying to display the coordinates of a Feature or vector layer after I use the modify radio button to resize my vector, but it does not work, nor on my drag feature. I'm using ...
1
vote
1answer
2k views

How to stop or deactivate draw polygon control after the first polygon has been drawn in Openlayers

I want to only be able to draw one circle on my map and then disable the control. Below is my code, Any suggestions? <html xmlns="http://www.w3.org/1999/xhtml"> <head> ...
1
vote
1answer
2k views

Resizing and Reshaping features in Openlayers

Resizing and Reshaping features in Openlayers. I have a map with Openlayers and some controls to draw and modify Features. I need to activate the Resize and Drag and Rotate check button fields as ...
15
votes
2answers
839 views

Which world map projection allows comparing countries by shape and size?

The Mercator projection increases scale along with the latitude. Greenland seems larger than Australia, when in fact it is much smaller. The equal-area projections however stretch shapes away from the ...
0
votes
1answer
844 views

How do you convert the radius decimals of a circle in Openlayers to Kilometers [duplicate]

Possible Duplicate: Unproject Radius with Openlayers with CRS:84 Projection I allow a user to draw a circle in Openlayers. I created an alert to show the radius of the circle. I now need ...
0
votes
1answer
2k views

How to change events in the Oncomplete Drag function in Openlayers

below is code that works for Openlayers drag function: drag = new OpenLayers.Control.DragFeature(polygonLayer, { autoActivate: true, onComplete: function() {alert('Are you sure this is the ...
0
votes
2answers
11k views

Openlayers How would i get a hover label over my polygon

make a hover/mouseover label for a polygon in Openlayers? I made a map with draw, delete and drag polygon function. Now I need to make a hover mouseover for this. How to get a hover label for ...
20
votes
2answers
580 views

How do I safely store paper/hardcopy maps?

What do I need to consider when deciding how to preserve paper maps safely from the ravages of time? I am trying to understand some best practices when it comes to archiving and storing paper maps. ...
21
votes
3answers
2k views

How do I organize my GIS projects?

I have been struggling for quite a long time now with keeping my project files organized. What are your tips for keeping your datasets, images, shapefiles, etc.. organized?
1
vote
0answers
513 views

GeoNetwork opensource - Geoserver/Google Maps integration

I'm using GeoNetwork 2.6.4 and I would like to change the default base map to Geoserver, adding a Google Maps Satellite Layer. Which is the best way? Any suggestions?
1
vote
1answer
455 views

Finding the max. zoom level containing imagery at a point in Google Maps?

Is there a way to find the maximum zoom level containing imagery at a point in GMaps? I'm wanting to automatically zoom my map in as much as possible when a user chooses a point, but sometimes there ...
5
votes
2answers
451 views

PostGIS ST_Distance vs. pgRouting

I am looking to create a city directory web app, and the site will need to be able to calculate distances between two geospatial points (like the distance between the user and a restaurant, or the ...
4
votes
5answers
293 views

Require a 3rd Party GIS service to embed in my application

I am looking for a service (Free or Premium) that allows offline access to maps and also gives the functionality to search map using an address or Latitude / Longitude. I want to embed it into a Web ...
0
votes
1answer
6k views

How to plot geographical coordinates in mapinfo?

I want to get started with mapinfo and plot some coordinates i.e latitude and longitute . How is it possibe?
2
votes
2answers
2k views

Google Maps JS API v3 - Polygon formation

So my big question here is how does the Google Maps API determine the "inner" versus the "outer" for a filled polygon? Playing around with the polygon creator @ http://www.the-di-lab.com/polygon/ ...
5
votes
7answers
2k views

What map source/API/tools are recommended to create Web GIS/Mapping application utilising Microsoft technologies?

I'm researching about technologies (around Microsoft tech) to create mapping application and would like to have advice/suggestions. Brief requirement to build mapping application with Microsoft ...
8
votes
2answers
3k views

What is the effective and legal way to get map tiles for the size of 2 or 3 states?

I would like to get map tiles possibly from Open Street Map (yes I am aware about tile usage policy and would not like to breach that) or other source for the purpose to serve it as offline maps to ...