Questions tagged [maps]

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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1answer
581 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 ...
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4answers
2k 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 ...
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1answer
455 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 ...
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1answer
64 views

Is OpenStreetMap suitable for me?

I'm planning to create a map with GPS and routing support as well as other custom features for my local area. It will be for a commercial usage. I'm okay with showing OpenStreetMap logo in my app. Is ...
2
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1answer
311 views

Automating Choropleth map creation from table in QGIS?

I am trying to create soil nutrient maps from an excel table. My table has the location with multiple nutrients for each location (Nitrogen, Potassium, pH etc). I would like to create a choropleth map ...
2
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1answer
311 views

POST to CartoDB Maps API via NodeJS

We are attempting to port a Python-based CartoDB authentication sample app to NodeJS: The example, "Basic auth middleware with CartoDB," was created by CartoDB labs. We have sucessfully replaced one ...
5
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1answer
673 views

How to add a topographic map to a shapefile?

I wonder how it's possible to add this topographic information (elevation) to the map of Santa Cruz Island and all of the Galápagos Island that I have here. library(rgdal) library(rgeos) library(...
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1answer
1k 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 ...
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2answers
54 views

Mountain chain and geometry

Concerning Mountains chain (in Wikipedia https://en.wikipedia.org/wiki/List_of_mountain_ranges) where can I find any maps with Montains chain and also geometry for those?
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0answers
735 views

How can I get ALL addresses within a polygon, with Google Maps or another free provider? [closed]

I am hoping to find a good solution to doing this. We would like to be able to define a polygon of latitude/longitude values and be able to have a dataset of all of the addresses within that polygon. ...
6
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1answer
871 views

Map on canvas renders after image saving [duplicate]

I'm a beginner to Qgis and Python; i need a script (don't need it to be a plugin) to get maps of selected features from a layer satisfying certain conditions; Here is my code: from qgis.gui import * ...
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3answers
95 views

Do size comparison maps dispose of geographic principles? [closed]

Size comparison maps are very popular, and can be found all over social media. Are there any geographic mathematical principles which completely dispel them. Can we comfortably assert they are neither ...
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1answer
124 views

Seeking Online Large Format Map Printing Service based in North America? [closed]

I am looking for an online large format printing service. My requirements for such a service are: large format (ANSI E +/-) high resolution double sided paper of different quality based in North ...
5
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1answer
2k views

Is there any free or open offline satellite/aerial imagery for commercial use?

I'm developing a product for offline use in Brazil in rural areas where there is no Internet connection. I'm searching for a free imagery source which can be used offline in a commercial product. ...
1
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0answers
620 views

Seeking shapefiles for Indian Metros? [duplicate]

I am looking for shapefiles with ward boundaries for the following Indian cities: Mumbai (electoral wards), Hyderabad, Ahmedabad, Surat and Kolkata. Does anyone has them or know where I can get them ...
3
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1answer
339 views

Two cartodb visualization on the same html page

I need to display 2 maps separate by vertical line on the middle of the html, it means on diferents and make some buttoms or aplicate the same zoom on both at the same time. I managed to put one ...
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0answers
253 views

Geopackage in Offline Maps [closed]

I just wanted to ask around if you have already made any experiences in the usage of the format Geopackage in offline maps (on mobile devices). Am starting to get into it but can't find much ...
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1answer
332 views

What is the unit in which value returned by OL3's geom.getArea() method?

If It is Going to return in some standard unit What is it ? so that i can convert to my desired unit. Is it possible to set the Measuring Unit type like ESRI's API support?, That i'm able to set in ...
3
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1answer
485 views

QGIS label spacing

Wondering how to space out the road names on my QGIS map to make it look cleaner?
4
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1answer
3k views

How to tell if map service is fully vector or raster?

I'm wondering how to tell if a map service (in web browser) is vector based or raster based. What I think to understood so far is that Google Maps for example is vector based, because when you zoom ...
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1answer
1k views

How do you calculate latitude and longitude of a point in a static map?

Background: I have generated a static map (map.png) of a particular city using mapnik and osm data of the highest zoom level. I am able to zoom in and zoom out successfully using my Java program. It ...
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2answers
1k views

Map with just City/Country/River/etc names.

I am looking for a plug in or a map, that only has the names of the countries and cities and other urban and/or geographical features. Does anyone have or know of such a map/plugin. I'v e been ...
2
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2answers
1k views

Is there a way to get undistorted maps in R (when using the OpenStreetMap package)?

When I download a large map within R (using the OpenStreetMap package) and I reproject the map (ideally to +proj=longlat), the map will always turn out distorted, making country labels etc. near the ...
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1answer
323 views

Automatic Layout

I have a number of maps to generate. Only one shapefile is used where the Z-value is only the variable in differing maps. Is it possible to auto-generate maps using ArcGIS 10.0?
3
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1answer
2k views

Esri Javascript API Graphics Removal

Hey Guys new to ESRI and the javascript api. I have the following function that when you click on the map adds a circle graphic to the map at that locations geographic lat and Long. But what im tyring ...
5
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1answer
65k views

Truck Routing in Google Maps?

I know that Google Maps does not have a truck routing feature , ie, changing the route if a low bridge is detected. Is there a way I can implement this in Google Maps using a 3rd party API? If yes,...
2
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1answer
2k 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 ...
3
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1answer
7k views

Smoothing raster map using R?

I am trying to create a map from raster data. The file came from a crop model, with resolution of 0.5 degree. Even when I disaggregate it (i.e. increase spatial resolution), the map looks really ...
1
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1answer
173 views

Bubbles in Kartograph.js [closed]

I am trying to create the bubbles on my SVG map generated by Kartograph. I want to do something like this: http://kartograph.org/showcase/symbols/ The map loads but the symbol does not display. I ...
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1answer
4k views

how to customise toolbar in Leaflet.Draw plugin?

I downloaded the Draw.js and one ccs file to use the Leaflet.Draw plugin, but now I need to customise the toolbar (i.e want only polygon and marker).
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2answers
105 views

Simple way to share maps on a network drive?

I am not an expert in web GIS and I would like to share some maps I created with non GIS aware colleagues from other offices. I have looked at various options but I can't find one that suits my needs. ...
1
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1answer
558 views

Getting time taken for the edge using GraphHopper map matching

Here is the GPX data I am giving to GraphHopper Map matching library: private List<GPXEntry> getList() { List<GPXEntry> sampleEntries = new ArrayList<GPXEntry>(); GPXEntry ...
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2answers
1k views

Trying to add a WMS layer to Openlayers 3 but not showing anything

I have started with OpenLayers 3 recently and I need to add a layer from an own WMS. I have been trying this: map = new ol.Map({ target:'map', renderer:'canvas', layers: layer, view: ...
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2answers
3k views

Point overplotting on maps in R (e.g. with ggplot2) - how to push points to the side, mark original positions, combine close-by points …?

I've got a database containing languages, their longitudes and latitudes and a feature value (either category 1, category 2 or both - in the plot these are marked red, blue and green respectively). ...
1
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2answers
240 views

create multiple maps

I am using Arcmap 10.2 and I am working with the modelbuilder. Now I would like to create multiple maps from a single layer file, but also use an inset map and background map. The thing is that the ...
1
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1answer
232 views

Georeferencing Old Mining Maps (Floetzkarte des Oberschlesische) in QGIS?

I am trying to georeference some old mining maps (Floetzkarte des Oberschlesische) in QGIS 2.9. I have already tried to do that by marking known points on present satelite photos, but the results were ...
0
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1answer
151 views

draw Distributions Maps (double circles) in ArcGIS 10.1

How can I draw Distributions Maps (double circles) in ArcGIS 10.1 ? like this: This map drawn in CorelDraw,it is shows the number of schools and the number of students in each Province (the circle ...
0
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1answer
494 views

L.Polygon getting distorted when panning a map

I am using Mapbox with leaflet. I have drawn a simple polygon with a hole inside that polygon. I have done this using L.polygon and passing an array of points inside it and another array in reverse ...
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0answers
67 views

Where can I find wind maps for the Mediterranean/Middle East?

I do debris modeling, sim, and analysis for missile interceptions. I have been looking for hours and I can't seem to find the information I'm looking for. So my question is... Where can I find ...
2
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3answers
1k views

Save view or map in QGIS

Is there a way to save the current shapefile, raster, etc selections in QGIS and then bring them up all at once later? For example, I find myself re-creating maps over and over because I need ...
0
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1answer
952 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 ...
1
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1answer
640 views

Offline map with less zoom size and maximum area covered

I am developing a mobile app for which an offline map is required. Is it possible to have such map within few 10s of MBs? The requirement is to have: Map with smaller zoom size; e.g. In this URL of ...
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0answers
60 views

Create a synthesis map ( e.g. climatic vulnerability) in QGIS [duplicate]

My final goal is to create a synthesis map of climatic vulnerabilities composed by different thematic variable with different weights. I would like to ask for support for the following issues: For ...
2
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0answers
273 views

How to create a legend for quantitative visualization with increasing icon size?

I am trying to find a way to do a map and legend like this: I am using QGIS 2.6 Brighton. The only way was to do a pie chart but I think it's not possible to create classes. I can create circles with ...
1
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1answer
353 views

Time spent writing cutting and rendering map tiles algorithm/mechanism

I know this a very vague question but I really need to know this. Can anyone help me find kinda matrix that shows how much time spent by different companies writing their map tile cutters/renderers ...
3
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1answer
712 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 ...
6
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1answer
7k views

Enabling all layers by default using Leaflet?

I am using leaflet maps to compare heat layer and marker layer. I've an option to add multiple marker and heat layers dynamically. For me Heat layers are enabled by default as on when user adds new ...
3
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1answer
2k views

Advice needed on JavaFX Map Rendering

A few months ago I inherited an old (10+ years) Java Desktop application that used maps and simple icons to represent point data to various users. The application was writted in Swing and used Esri ...
2
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0answers
4k views

Finding and selecting locations in database near 10 km distance from path

In the Google Maps API, I have this Javascript. It is finding and showing user the shorter path between two cities. <!--////// \\\\\\\--> <style> #panel { position: ...
5
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2answers
37k 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 ...

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