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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4
votes
1answer
2k views

Texture overlay in d3 map

D3 map can be drawn and colored as shown in this example : http://techslides.com/demos/d3/d3-world-map-zoom-points.html. I need to overlay a texture or image within the boundary of a given country. Is ...
2
votes
1answer
179 views

Maps with numbers and postcodes using QGIS?

I have a list of UK postcodes and a number of participants in a survey. I would like to map the first three letters of the UK postcode and I would like a shape....a circular shape for example which ...
1
vote
0answers
24 views

Get Coordinates

I have the following tif metada: Geotiff_Information: Version: 1 Key_Revision: 1.0 Tagged_Information: ModelTiepointTag (2,3): ...
3
votes
1answer
34 views

Packing polygons without intersection and empty places [closed]

How can I pack polygons without empty places and intersections? Please tell me everything that might help me (API, algorithms, etc.) I'm using: USPS API to get carrier routes. dbscan.js to ...
0
votes
0answers
7 views

Is there a way to choose intervals in in Map layer wizards Categorys or Cloropleth?

We are making a map of all the kindergartens in the city and would like to show the sizes of the groups. If we choose categories everything under 10 and above 21 appears in ”others”. And we can´t find ...
0
votes
2answers
22 views

mapping with spplot

This question should be easy! I am using spplot for visualizing a map with suitable results. However, I would like to know how to set the limits of z, because the values are not being discriminated. ...
1
vote
4answers
76 views

Download a region as KML/OSM from internet Maps

I need to create a custom Euro Region map from several regions of neighborhood countries. Say Spanish "Galicia" and Portugal "Norte" regions. So, I need to combine 2 KML/OSM/... files. My question ...
1
vote
0answers
18 views

How can I ask for location and display it on map on my website? [closed]

I have added a map to my website. Now I want to add a feature to it wherein when a user clicks on the add event button on the header a popup should appear which ask for event name and location and as ...
3
votes
2answers
118 views

Plot tilted map in R

I would like to plot a tilted map, similar to the image below. I would prefer to do this using ggplot2 but I'm glad if there is a solution using base R. Any ideas on how to do this? Here is a dataset ...
0
votes
0answers
30 views

R: why are missing choro.legend() items when displayed in zoom()? RStudio

I wish to create map of Oregon, using choropleth(). Using locator() trick I've revealed coordinates for my choro.legend() position. It seems correctly placed in my plotting window, however my legend ...
0
votes
0answers
20 views

Extract raster values from RASTERSBRICK using XY coordinates falling within each polygon R

I have a rasterbrick s (10000 raster layers) that actually is a time series raster. Accompanying s is a SpatialPolygonsDataFrame with many sub-polygons which can be identified by names and/or IDs etc. ...
1
vote
1answer
42 views

Mapbox free billing period

I am trying to use mapbox instead of leaflet to allow client to modify in the map if needed because I found in mapbox studio a friendly interface for modifying the map . Is the free period in mapbox ...
0
votes
1answer
35 views

Public transport offline routing

Is it possible to make offline public transport routing? What services should I use and what steps are? I'm developing in iOS platform.
0
votes
2answers
206 views

How can I tell who owns a particular piece of property on a map?

not sure if this question quite fits this site or not... I already saw mentions of maponics and reportall but they both seem to be address specific one by one sort of tools. I basically would like ...
3
votes
1answer
60 views

Change the language of OSM maps in QGIS

I would like to create small walking paper maps of Chinese cities parts and thought to use QGIS(print pdf + via plotting). With QuickMapServices plugin I added the map and of course the street names ...
3
votes
1answer
131 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 ...
0
votes
0answers
28 views

Find Maximum value per month in rasterstack/brick and corresponding timestamp R

When dealing with raster images, I found the raster and rts packages in R to be very flexible for analysing my raster data unlike ArcGIS. In my learning efforts, I have had to do some ...
1
vote
0answers
24 views

Stretching a map to the full width of the browser after complete zoom out and without repetition of grids?

I want to extend the first block from left (with red inside borders) to stretch to the full width of the website. The example code is given below. html, body { height: 100%; background: ...
1
vote
2answers
41 views

Is there way to acquire flight paths? [closed]

I am attempting to do a project for work that requires checking general (assumed or average) flight paths (position and speed along the route) against other data. Does this exist somewhere? Ideally ...
0
votes
1answer
165 views

How to animate a sequence of maps in postscript format?

I'm working on the Atlantic ocean for my research and I need to create an animation of movement of few islands in the Atlantic from their past locations to their present locations that moved due to ...
-4
votes
1answer
30 views

Recreating maps from “The $50 American Road Trip”? [closed]

I would like to recreate for cities in my country the maps represented here, using ArcMap. On the same site I found the calculations, but I don't really know how to recreate those tables. After ...
1
vote
1answer
49 views

How can I get the outline coordinates of bodies of water in a country? (Lakes, River, ponds) From Google Maps or any other data set [closed]

I'm in need of acquiring the coordinates of the outlines of all the water bodies inside a country, with the exception of "Sea" or "Ocean" water. Right now, I'm manually outlining the lakes and rivers ...
0
votes
0answers
122 views

Esri Javascript Point Clustering Map Size

I am using Esri Javascript API to display points on a map that are pulled from a json object. Everything is working great, although i seem to be having issues trying to figure out how to get the map ...
0
votes
1answer
37 views

How to Snap Lines in CartoDB

I'm trying to create a project that maps out bus routes in CartoDB, and a lot of the streets have a lot of curves and turns. Is there a way to snap the lines to the street grid?
0
votes
2answers
318 views

Belgium Flood And Precipitation Mapping

Similar to Free sources of mapping data for France, does any one know a source for free downloadable flood and precipitation maps for Belgium?
1
vote
2answers
124 views

Can I download Google Map Orthophotos using QGIS?

Does QGIS have functionality to download Google Map Orthophotos? Or any other open source GIS? I specifically want to be able to not only view Google Maps on my GIS, but also be able to download the ...
0
votes
0answers
16 views

OpenLayers.Markers popup doesn't appear with multiple markers

Trying to get the popup to appear but it only appears for the last object in arrObj. I'm not sure if adding these listeners all together is a good idea but I can't figure out a better way (arrObj is ...
15
votes
4answers
16k 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 ...
7
votes
1answer
99 views

Why are heights given at various points on roads?

In the OS 1:25000 map below I have circled some numbers next to roads. The key says "Ground survey height" and there is another entry (in brown) for "Air survey height", but since all the data in the ...
4
votes
1answer
75 views

I'm generating a Google Street View URL that works in Chrome but not Internet Explorer. What's wrong?

I've made a small add-in in ArcGIS that allows a user to open their current GIS view in Google Maps and also to select a location to open in Street View. The map view works in both IE11 and Chrome. ...
1
vote
1answer
96 views

Google Maps API changed

Did anyone have problems with Google Maps API? I have an HTML with OpenLayers and Geoserver. Since yesterday, the Google Maps Hybrid map is not working, even if some images are loaded in Firebug. ...
0
votes
0answers
58 views

Libraries to render vector-based maps in android

Is there any library or method available to render GeoJSON data from my own server. I tried opensciencemap library but its useful for OSM Json type data, not my own simple GeoJSON format.
0
votes
0answers
38 views

map.axes control in R

I am learning how to use map functions in R. How can you control the axis labels in R when using map.axes ()? Right now the map displays only the degrees. I would like to have finer control so that ...
-1
votes
1answer
60 views

how to highlight map area with extent geometry onmouse click

I got this example in arcgis api ssample code . But the problem is that , i want to create it for any area of map . like if one click on any city , it should be selected.And the code is for mouse-over ...
1
vote
1answer
51 views

Style file with QGIS

I created a very good symbol layout for a current map. I will be creating similar maps just different regions and want to keep the symbols and markers that way they are. The new data will have same ...
3
votes
1answer
71 views

Plotting netCDF4 data with the right projection

I guess this will sound simple to you but I just cannot get the right plot within R. I have a netcdf4 file and would like to visualize it within R just like I would do in QGIS and ArcGIS. sample data ...
0
votes
0answers
51 views

Google Maps JS API With Google Earth Spotted?

I've been, somewhat, following the news on the deprecation of the Google Earth API since it was first announced earlier this year. I'm an amateur GIS guy and I've been wanting to port over a simple ...
1
vote
2answers
4k views

Offline Maps API for C# Desktop Application?

I have a C# WPF application which has browser control to display a Google Map. Google Maps API v3 is being used in the application. I use data received from a service to plot users current location ...
0
votes
0answers
52 views

How to create speed maps with gps data

I am looking to create a speed map from gps data, one of the problems is that the data overlaps due that the road is a track. How can be the best way to plot this map? I have Qgis and ArcGIS options ...
1
vote
1answer
83 views

Map with ggplot2 and bubbles

I've tried to plot a map of magnitude earthquakes in Colombia with ggplot. After many efforts, I got it. But, I need to focus in specially area where the data of magnitudes is (4, 4.1, 4.2, 4.3, ...
0
votes
0answers
57 views

Basic display of kml file with map background on website, no gmapi

I have a series of kml files I want to display on my local and public websites. I use Google maps for other actions like displaying and entering locations, and it works fine, as long as I'm connected ...
1
vote
0answers
90 views

Using historical imagery Google Maps API for Business

Is there a way using Google Maps API for Business to see historical aerial imagery, like you can in Google Earth Pro, with the slider bar they have at the top of GEP?
0
votes
0answers
171 views

Google Maps iOS Optimized Route returns zero_results

I have an app that lets the user generate a route using a origin/destination point and waypoints in between. If I submit the url without optimized:true in it I get a polyline back that goes to each ...
2
votes
1answer
94 views

Plot attribute of shapefile with R

Does anybody know how to plot any attribute of a shapefile with R? For example, like this.
6
votes
1answer
667 views

Loading a png image as a map with ggplot2/ggmap

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 ...
1
vote
1answer
76 views

Openlayers 3 - Create symbol like openlayers 2 -> OpenLayers.Renderer.symbol.anySymbol

In the Openlayers v2 I could add symbols like: OpenLayers.Renderer.symbol.pointToIcon = [100, 70, 20, 50, 42, 70, 20, 90]; How can I do it with Openlayers 3 ? In the openlayers 3 I can use this ...
6
votes
4answers
1k views

Can someone help me identify this part of the map?

I'm sure 1 is a road, but what are those bumps on the side? I'm guessing 2 is a footpath. I have no idea what 3 is, if you don't know what it is, fine, let's leave it at that. I searched for what ...
3
votes
1answer
354 views

D3 missing zoom Choropleth + Raster

Following this example and Choropleth from Mike's site I am trying to get: image + vector + choropleth = my map As you can see I lost the zoom capability on the vector layer. I have been trying ...
1
vote
1answer
66 views

Converting DTM data to STL?

I'm new here and was wondering if anyone could help? I'm looking to make some 3D maps using DTM data but need to convert it into .STL format for my MasterCAM to read so that I can generate the CAD ...
0
votes
1answer
114 views

How to use custom offline map in iOS app [closed]

I'm developing an iPhone offline map application. I've illustrator map georeferenced (using mapublisher), have geodatabase (http://goo.gl/isw6IP) and parking data (shp/csv). Requirements: The map ...