An image file containing a section of map.

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6
votes
3answers
503 views

How to generate image tiles from custom geo data for use with Leaflet

Migrating a webapp from Google Maps API V3 to OSM + Leaflet, which displays custom data that consists of lots of lines and points, on a background map. When this custom data is drawn by Leaflet on ...
1
vote
1answer
337 views

Can't run node-mapnik-sample-code

I'm using ubuntu 12.04. I installed mapnik from packages as described here: https://github.com/mapnik/mapnik/wiki/UbuntuInstallation now I want to run node-mapnik-sample-code from here: ...
1
vote
2answers
872 views

convert my large svg image into tiles

This is probably going to annoy the more experienced map people here, but I'm sort of new to all this, or at least I don't have a lot of experience. I know this is a bit strange and not ideal, but I ...
2
votes
1answer
752 views

gdal2tiles problem

Im using the following to try to produce a tms tileset: gdalbuildvrt test.vrt *.tif gdal2tiles -p raster --zoom=0-6 test.vrt out Two tifs work fine, more than that and it seems to miscompute the ...
2
votes
0answers
43 views

Free software to publish tiles on Amazon S3?

Does anyone know of free software that would allow me to publish tiles on Amazon S3? I know of Arc2Earth, but it is not free.
0
votes
0answers
67 views

Finding adjacent tiles in Google Maps

I built a NodeJS API that returns locations and returns paths and stores them locally in MongoDB for fast responses. Also another part of the API is that it returns compositions of tiles ...
0
votes
0answers
33 views

Joining grid files of one variable covering adjacent tiles into a .clm file

I have a study area covering four tiles and have managed to get to the point of making clm files successfully in DIVA GIS (v7.4) from the grid files of the worldclim data. The resulting four files for ...
1
vote
1answer
256 views

Map Service Tile Cache: ArcGIS Server 10.2

If I delete my old map services, will the associated Map Service Tile Cache be deleted as well? For some reason the Map Server Delete Tile Cache tool is not working for me, and our tiles are cached ...
0
votes
1answer
68 views

Geoserver - generating tiles - bbox is incorrect

I am beginner in geoserver. I would like to generate tiles in geoserver. I have added the layer to geoserver. When i choose the option to 'Preview layer' i can see the layer with the correct bbox: ...
1
vote
0answers
377 views

Geowebcache bounding box to tile conversion is not working properly (EPSG:4326)

I am trying to make Geoserver and built in Geowebcache work together. I have a page with google maps and I am rendering images from a published WMS layer using getTileUrl function. Unfortunately I am ...
3
votes
2answers
368 views

Generate a pyramid of tiles by 1/2 scaling a higher zoom level

Given a set of tiles covering a large area at a particular zoom level (These are online on someone's tile server and will need scraping, but let's assume these are on disk if it's easier. With TMS ...
6
votes
1answer
2k views

Generating tiles for osm/esri shapefiles

I've generated tiles for OpenStreetMap .OSM files using Maperitive and quickly consumed them with leaflet (with no tile cache yet). I'm now looking for the right and simple way to do that also with ...
0
votes
1answer
417 views

Where can I find a good Mbtiles to png tiles converter?

I'm trying to create a slippy map and I need to obtain png tiles. I have exported a .mbtiles file from TileMill and I tried several python scripts to convert this file into png tiles but I always end ...
3
votes
1answer
162 views

FME: Using WorkspaceRunner to batch 2 readers

I need a little help using the WorkspaceRunner in FME. Essentially I want to batch run polygon shapefiles in one folder (30 of them) against another load of files, in the form of a tiled grid (26 ...
0
votes
2answers
99 views

Slippy map tile question and good practice

I have created a small slippy map (Leaflet) and have given it a bounding box. If the user tries to pan/slide outside the given bounds then the map bounces back. Also, the slippy map only has tiles ...
0
votes
0answers
76 views

Connecting MapInfo 12 to ArcGIS ImageServer

I'm trying to figure out how to connect to an ArgGIS ImageServer raster layer via MapInfo. I can successfully connect via WMS, however this is obviously rather slow due to the lack of any caching. ...
3
votes
5answers
2k views

Automatically download and merge webmap tiles into one big image?

Is there an easy way to download a bunch of web map tiles (in /z/x/y.png format) and stitch them together into a single large image? I could probably script this using ImageMagick, but would prefer ...
0
votes
1answer
97 views

Error on rendering linestring

I am using Mapnik 2.0.1rc0 on a Windows 7 with python 2.7 32bits inside a GeoDjango App using xml. The datasource come from spatialite 4.0. My tiling script can render polygon and point features ...
1
vote
1answer
66 views

Using the GeoWebCache expireCacheList parameter

I've just started looking at the cache expiration parameters for GeoWebCache and came across something that really confused me. In the documentation it says in its explanation for the <minZoom> ...
2
votes
1answer
72 views

Tiling ArcGIS Desktop Historic Maps

I'm using ArcGIS 10.2 Desktop on a Windows platform. I have georeferenced about a dozen USGS topographic raster maps from around 1900. Each georeferenced map is an now an .mxd file. To the best ...
10
votes
3answers
8k views

Simple way to have an offline web based map?

My goal is to have a world map embedded in a web page, but without access to the internet. Preferrably only a set of tiles in combination with some slippy map js-lib. Storage space is not really an ...
2
votes
2answers
291 views

Export to Mapbox (TileMill) from PSD (or SVG/PNG)

Newbie question: I designed a map (not Earth-related) in Photoshop and I want to use something like Mapbox to serve the map and make it dynamic (bounding boxes, zoom in/out, etc). How can I go from an ...
4
votes
3answers
1k views

Should I use gdal_retile.py or gdal2tiles.py?

I have many GeoTif files that I want to display in google earth with Geoserver. I am wondering if I want to use gdal_retile.py or gdal2tiles.py to create the image pyramids for them to be usable in ...
1
vote
1answer
80 views

why is map tiling computationally intensive?

I recently starting using gdal2tiles.py (and its parallel implementation) to generate tiled images from raster datasets for kml interpretation and I'm shocked by how computationally intensive the ...
1
vote
0answers
103 views

How to optimize color ramp for terrain

I'm working on a project to highlight LiDAR terrain on the web and part of the idea is to show the detail of the data at large scales. I've already read through the excellent Mapbox guide and I've got ...
0
votes
1answer
280 views

Create Tiles for a raster(georeferenced) to use in leaflet

I have raster, with each pixel containing some data. What i want is to split a large image with each pixel's color is determined by its value, to show on leaflet layer.How to go about this ? raster ...
1
vote
1answer
757 views

Slow tiles generation for leaflet js

I am currently trying to use leaflet to display images (jpeg or png) instead of maps, I have followed the instructions on this blog post to create the tiles using gdal2tiles.py here is the code we ...
2
votes
1answer
313 views

OpenLayers 2.13 : How to display a local tiled raster?

I am trying to display (on OpenLayers 2.13) a local tiled raster I made with gdal2tiles.py. Unfortunately it's all blank or pink. Here is my layer definition: var tiles = new ...
2
votes
2answers
142 views

How can I share my own spatial data on an online map?

Note: I am very new in this field! Can I find an open source map that enables me to display an overlay of my own layers? I need to add some text and rectangles for a certain area, but my ...
1
vote
1answer
155 views

Create tiles given images and locations; convert markers to tiles

What I need I need to convert a list of markers to a tile layer I've been googleing without success how to do this. Anyone has faced this problem and has a nice easy solution? Why I need it I've ...
2
votes
2answers
747 views

Why do I get different output from gdal2tiles vs. maptiler?

I am trying to generate map tiles using gdal2tiles for an area much larger than MapTiler can handle. However, my tile caches are not showing up on the maps. I checked gdal2tiles by running the same ...
7
votes
1answer
5k views

What is the default projection in Leaflet?

I've read an API documentation for Leaflet on its site, but I can't realize: what is a default projection to view maps? It was written about spherical and elliptical Mercator and Equirectangular - so ...
2
votes
1answer
49 views

Is there demand for a service to publish web maps with lots of shapes? [closed]

Is anyone in the GIS community trying to publish choropleth web maps with a large (10s to 100s of thousands) number of polygons? and if so what's your current approach and what are the shortcomings of ...
0
votes
2answers
628 views

Is there a good free Flat style map tile available?

I'm building a website in the style of Flat Design, and hoping to find a map tile that complements the design and can be used with Leafletjs.
1
vote
1answer
65 views

how to compute tile row from latitude in mercator projection

I work on google tile images. I want to compute a tile row from its latitude. How can I do that. I know that tile system cover all of the earth from -85 latitude to 85 latitude. 4 tiles exists at the ...
0
votes
1answer
74 views

how does arcgis server manage tile caches with an unlimited scale choice?

I am familiar with tile caching with geowebcache, but not with ArcGIS server. I imagine the basic concept is the same. First determine how many scales with be cached, set the image quality and format, ...
2
votes
1answer
952 views

Single tiled Mapserver WMS to avoid Labels and features cut along tile borders and repeated labels

I am using Mapserver-wms-openlayers for publishing maps. But there are some issues came across related to duplicate labeling for same feature in adjacent tiles, unwanted breaks in line features along ...
1
vote
1answer
1k views

How to download tiles to use offline [closed]

I need to download tiles of an entire country to use offline. I don't need a server o whatever, I just need to download tiles organised in folders (x y and z). Should I use mapnick? Im on OSX but I ...
2
votes
1answer
742 views

How can I load stricly tiles within the current viewport in Leaflet.js?

I have tiles that are not available for the whole map. How can I stop Leaflet.js/Mapbox.js from making requests to these tiles? There are dozens of 404's that I'd really like to get rid of. Thank ...
1
vote
3answers
53 views

What kind of improvement can be done for raster tiles for mobile usage

We generate raster map tiles and deploy them in the server, then we use javascript in the client to request the tiles and re-organize them to map.(like google map and Openstreetmap). However this is ...
0
votes
1answer
314 views

how to plot gps coordinates on my own raster map?

I have lat log values available in degree format, i donot know how to access raster maps using c#, and how to plot accurately. which libraries should i use and what are the controls avialable ,i am ...
1
vote
2answers
258 views

ArcGIS Server Tiles as Basemap in CartoDB

Has anyone successfully used their ArcGIS Server Tilecache as a CartoDB Basemap? I'm trying to hit mine directly using the XYZ Tile URL Template as follows: ...
1
vote
1answer
43 views

Rough edges on tiles in QGIS

I'm loading four .ASC files into QGIS, each containing topographical data about a tile of 10 x 10 km. On the map, this data is displayed as black/white and different shades of gray. My problem is that ...
1
vote
1answer
231 views

GDAL tiling with a lot of MrSID files

I'm trying to generate tiles for a region with a surface of 85k km2. The data source are MrSID files (2734 files). I'm using gdal to achieve this task. It works fine with a small subset of MrSID, but ...
0
votes
2answers
138 views

How to call Geowebcache tile openlayers [closed]

Can anyone provide the solution, how to call GeoWebCache tiles in openlayers as i have 20GB of tiles created in gwc folder.
1
vote
1answer
354 views

How to draw bus routes on OpenStreetMap with mapnik

I have successfully set up Postgres with PostGIS and MapNik to serve map tiles. The database is populated with data from OpenStreetMap project. I can see that bus routes are in the data-set, but I ...
0
votes
1answer
2k views

offline map tiles in standalone desktop app

Which mapping API can be used (either in a C# desktop app or as a standalone mapping app) that accesses an offline tile collection and requires only a minimal amount of additional servers / other ...
0
votes
1answer
371 views

Map tiles rendering from local map server to disk

I am looking for a solution for following use-case: I need to run a local map server using OpenStreetMap (OSM) data Map server needs to be able to render a set of map tiles to local directory on ...
1
vote
1answer
580 views

TileStache + OpenLayers TMS - Tiles are rendered disorderly

I newly turned to TileStache to render Mapnik tiles because of the caching option. Before, I was using Mapnik python bindings only and it was working perfectly. Now that I use TileStache, the tiles ...
1
vote
1answer
74 views

Custom tiles in local CRS

I want to achieve the following: Create an OpenLayers map, that runs totally in a local CRS. The basic layer would be a raster tile layer. The tiles will be generated by us once for each project ...