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

Filter by
Sorted by
Tagged with
1
vote
1answer
49 views

GIS base map solutions [closed]

I'm new to GIS development, and am looking for a mapping solution for a web app. The map will be fairly complex with 4-5 different layers. I'm looking to convert shapefiles into a usable geo-coded ...
2
votes
1answer
103 views

Wrong coordinates on an old map

I'm trying to learn how to work a bit with Qgis for a part of a university work, and I'm facing some difficulties with an old map, and setting it up with the right coordinates. I have some old maps ...
2
votes
1answer
203 views

Austrian-hungarian map: Franzisco-Josephinische (3) Landesaufnahme - Legend

Currently I work with the Franzisco-Josephinische (3) Landesaufnahme (Austria-Hungary) map in area around Lake Neusiedel. There are some map sheets around Vienna with the scale of 1:12.500 In the ...
1
vote
1answer
142 views

Customize map images in openlayers 3

I would like to set up my own custom map by changing the images in openlayers 3. Is something like this possible and how would I go about doing it?
2
votes
0answers
397 views

How to add multiple stop points for routing using ArcGIS in Android

I have a project where in I have a source and a destination, but in between there can be any number of stop points. I need to display a route from source to destination covering all the stop points. ...
1
vote
0answers
200 views

Pixel sizes, cartographic scales and maps

In spite of being a widely discussed topic, I have not been able to find the complete answer to my concerns regarding scale's use in maps preparation. I am interested in finding in the relationship(s) ...
0
votes
1answer
295 views

How to split Indian states and provinces from world states and provinces shapefile?

I am following Mike Bostock's D3 Lets make a map to create GeoJSON for states and provinces of a country. I got a shapefile for states and provinces from Natural Earth. I am trying to extract info for ...
1
vote
1answer
209 views

Converting a Map Scale

I need some guidance. I'm using an ESRI Base Map with Web Mercator projection(Wkid - 102110) in an web application using JavaScript. I'm trying to display the Map Scale as range on the map. I got the ...
2
votes
2answers
5k views

Create map using Leaflet and JSON

I have a question in order to developing a web app using dynamic maps with JSON files. I'm using Visual Studio 2015 with MVC 5. At this moment i have developed complete app but I'm unable to draw ...
1
vote
0answers
31 views

Get Coordinates

I have the following tif metada: Geotiff_Information: Version: 1 Key_Revision: 1.0 Tagged_Information: ModelTiepointTag (2,3): ...
5
votes
1answer
352 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 ...
2
votes
4answers
4k 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 ...
0
votes
2answers
410 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
0answers
66 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 ...
0
votes
0answers
317 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
277 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 ...
6
votes
2answers
967 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 ...
5
votes
1answer
929 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 ...
2
votes
0answers
388 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 stacking/...
1
vote
0answers
313 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: #E6E6E6; ...
1
vote
2answers
440 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 ...
-4
votes
1answer
40 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 ...
0
votes
1answer
109 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?
2
votes
3answers
3k 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 ...
7
votes
1answer
133 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 ...
2
votes
1answer
355 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. ...
5
votes
1answer
2k 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. ...
4
votes
1answer
562 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 ...
1
vote
1answer
757 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 ...
-2
votes
1answer
665 views

how to highlight map area with extent geometry onmouse click

I got this example in ArcGIS api sample code. But the problem is that I want to create it for any area of a map . Like if one clicks on any city, it should be selected. And the code is for mouse-over. ...
1
vote
0answers
475 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?
2
votes
1answer
3k 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, 4.4, ...
3
votes
1answer
2k views

Plot attribute of shapefile with R

Does anybody know how to plot any attribute of a shapefile with R? For example, like this.
1
vote
1answer
527 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 ...
1
vote
1answer
444 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 ...
1
vote
1answer
60 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
votes
1answer
260 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
votes
1answer
298 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
votes
1answer
600 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(...
1
vote
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 ...
2
votes
2answers
52 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?
1
vote
0answers
659 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
votes
1answer
798 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 * ...
-3
votes
3answers
84 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 ...
-3
votes
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
votes
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
vote
0answers
538 views

Seeking shapefiles for Indian Metros?

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
votes
1answer
319 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 ...
1
vote
0answers
250 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 ...