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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0answers
82 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 ...
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0answers
408 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. ...
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1answer
314 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 ...
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3answers
1k 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
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1answer
2k 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
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0answers
503 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/...
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0answers
375 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; ...
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2answers
1k 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 ...
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1answer
44 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 ...
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1answer
115 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?
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3answers
5k 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 ...
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1answer
305 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
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1answer
409 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
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1answer
3k 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
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1answer
648 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 ...
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1answer
933 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 ...
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1answer
904 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. ...
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0answers
513 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
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1answer
4k 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
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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
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1answer
615 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
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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 ...
1
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1answer
466 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
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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
349 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
315 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
795 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 ...
2
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2answers
58 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
781 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
932 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
101 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
125 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
3k 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. ...
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0answers
622 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
357 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
257 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 ...
0
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1answer
404 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
524 views

QGIS label spacing

Wondering how to space out the road names on my QGIS map to make it look cleaner?
5
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1answer
4k 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 ...
0
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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 ...
1
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2answers
2k 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 ...
0
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1answer
362 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
3k 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
66k 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
9k 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
187 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 ...
1
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1answer
5k 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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