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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3
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0answers
271 views

R with ggplot2/ggmap - How to load a png image as a map

I am trying to find a workaround for ggmap's missing support of world maps (i.e. you can't create any maps that show latitudes > 80°, due to idiosyncrasies in the mapproj package). To a limited extend ...
2
votes
2answers
452 views

QGIS – Batch maps (atlas plugin style) in same location

I've got more than 200 shapefiles of points representing different information for the same location. I would like to make as many maps as shapefiles with identical background and extent. I'd rather ...
9
votes
1answer
111 views

Is there a name for a situation when the place is clearly or unclearly named?

This is not specific to any system. Suppose there's a large red rock on a terrain which can be easily found and clearly seen and there's an artificial object such as a mall near that large red rock. ...
1
vote
2answers
7k views

How to open a map from gdb?

A librarian has helped me create some maps, and I need to open them. He is off work at the moment and I am in a rush for this. I have downloaded ArcGIS and he says I can open this with arcMAP. He has ...
1
vote
0answers
55 views

Finding list of bus stops and what is next

First of all apilogies if this is already discussed. I am a low vision person and there is only so much time I can spend searching for information as it is stressful on the eyes. I spent considerable ...
1
vote
0answers
67 views

Looking for maps with high complexity

For an presentation I need an example of a map which contains very much information. The map should : respect basic cartographic principles. contain as much quantitive and/or qualitive information ...
0
votes
2answers
3k views

Download Google Map tiles, images [closed]

I would like to use the google maps downloader to save satellite images from google maps (http://www.allallsoft.com/gmd/index.html), but is it legal to use? In the terms of service you can read that: ...
0
votes
2answers
175 views

Belgium Flood And Precipitation Mapping

Similar to this question, does any one know a source for free downloadable flood and precipitation maps for Belgium? Thanks all in advance. C
4
votes
2answers
575 views

LeafletJS: Load Tile Layer based on bounding box

I have a LeafletJS map application with lots of layers. I have a few layers that only have imagery for certain regions across the world. Because everything goes on a world base map. All tile caches ...
1
vote
1answer
358 views

google maps tiling scheme index grid

I have a need to cut tiles from a raster with bounds that result in no partially filled tiles at a particular zoom level (no transparency or black/white areas). First thought was to overlay an index ...
1
vote
1answer
268 views

GIS - Coordinates / Projections, Google Maps

I'm currently working with OS data and have just tried to import a table of google maps coordinates/point data into ARC. The data frame (& layer) coordinate system is as follows: ...
1
vote
0answers
38 views

Can I use the PyQgis QgisPluginLayer to create heatmaps?

I am working in an application to generate maps from a bunch of MIF/MID files, I already created almost all the maps that I need, but, now I want to create heatmaps. I can't find any way of creating ...
0
votes
0answers
512 views

Google's Direction API - Indoor Directions

I am using the Google's Android MAPs API V2 for indoor mapping in our app. It displays the indoor map correctly. Now, I am calling the Directions API to get the co-ordinates between two points to plot ...
5
votes
1answer
127 views

Simulating Random Agent Movements along Roads on Map

I need to simulate agent movements on map as follows: Agent starts a known location and moves along a road. At each road intersection, the agent uniformly chooses one possible road and moves along ...
4
votes
1answer
2k views

Google maps android vector rendering : how do they make it that fast?

Most of the question is in the title. If you are on android (I believe its the same on IOS) and use maps you will notice the quality of the maps app and how the vector maps are drawn in a very fluid ...
11
votes
2answers
4k views

Clipping a raster in R

I am building a map for the northeastern U.S.A. The map background needs to be either an altitude map or a mean annual temperature map. I have two rasters from Worldclim.org which give me these ...
1
vote
1answer
218 views

ArcMap label font size vs callout font size

Within ArcMap 10.1: When converting labels to annotations I have specified a font size of 14. I have also created a number of callout text annotations within the map and specified exactly the same ...
3
votes
0answers
92 views

Is there a tutorial explaining the basics of WMS?

I'm building some software that needs to download satellite map images to display behind some survey charts. I understand that, to download these images, I need access to a Web Map Service. The only ...
14
votes
0answers
320 views

How to implement a “Snap to Road”-functionality? [duplicate]

I am having a problem with a little application I'm trying to develop. What I do is take a phone with me and drive around the city on a bike. I collect all the Latitude/Longitude-pairs and at home I ...
0
votes
0answers
37 views

What map providers allow export xml data like openstreetmap?

I'm looking for map providers that return xml data about an specific area like openstreetmap export functionality. Do you know any service opensource or comercial that works in that way? Thanks in ...
15
votes
3answers
9k views

Free download of Soviet topographic maps (also known as Genshtab maps)

In the past, http://poehali.org/maps/ offered a free-of-charge download of Soviet military topographic maps of many areas in the world. Those maps are in the public domain. Now, this site redirects to ...
9
votes
3answers
980 views

iPad mapping application with custom maps

I'd like to load custom maps onto my iPad and use them offline with the GPS for navigation. These are maps I can prepare in any format and projection. Is there an application that can take, for ...
1
vote
0answers
298 views

polygon color changes automatically when zooming map [closed]

I have implemented a google map using V3 js API. I am drawing about 500 zip code polygons inside the map. The colouring of the zip code polygons depends upon certain conditions which is working fine. ...
1
vote
0answers
97 views

Developing Carto Mobile App

I have the project to develop a mobile application (Android) being able to get offline maps, go on the field, collect datas about the area we're at and then synchronize it with our data server when ...
0
votes
0answers
514 views

Requesting styled Google Map tiles via URL

I'm not working with the Google Maps API but I'd still like to be able to request styled map tiles. Is it possible to request a styled Google Map tile via a URL similar to the slippy map URL format ...
2
votes
1answer
1k views

leaflet show miles/kilometers

Googlemaps shows you how large an area is on a map by showing a small bar with the number of miles/kilometers at the bottem left. Does leaflet also support this somehow? I do not see it listed in ...
3
votes
3answers
3k views

HTML5 maps with dynamic data instead of Flash

I was wanting to create maps on our site similar to http://globaledge.msu.edu/Countries/Rankings except that we want the maps to be HTML/HTML5 instead of Flash. (The above site is the site that I'm ...
4
votes
2answers
147 views

How to solve loading performance issues when handling multiple KMLs?

I am using over 10 KML in Google Maps. When I increase the number of KMLs they load too late. I use checkboxes to hide/show KML layers. With up to 5 KML layers, it worked fine. When I increase the ...
2
votes
0answers
193 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
335 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
9k 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
211 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
307 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
165 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 ...
0
votes
1answer
934 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
160 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. ...
7
votes
1answer
6k 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
237 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
173 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
216 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
230 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
133 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
432 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
400 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
258 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
510 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
847 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
114 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
405 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 ...