An image file containing a section of map.

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2
votes
1answer
170 views

gdal2tiles.py generating black tiles from .img file

I have a source HFA Erdas Imagine (.img) file which I'm trying to convert into tiles using gdal2tiles.py. I'm running: gdal2tiles.py -w google -g GOOGLEKEY input_file.img The HTML is generated ...
0
votes
1answer
541 views

Custom OSM tiles with Mapbox and/or CartoDB

For a newspaper, we would like to use CartoDB's editor to produce quick overview maps with small amounts of geometry and information such as tooltips etc. For this job, the CartoDB editor seems to be ...
0
votes
1answer
116 views

How to determine which tiles cover your Area of Interest?

I'm relatively new to using a GIS. I've been wondering how could I determine tile(s) on a selected area/point at a specified zoom level?
2
votes
4answers
309 views

Create basemap tiles for a custom shape (for reducing the tiles count)

in order to create a world wide tiles (for a basemap) in acceaptable zoom level one must have a huge hd (see in this post). but, most of the world is sea... so i want to create x levels of the whole ...
1
vote
2answers
187 views

OpenStreetMap Tile Server with Custom Projection Systems

I am trying to install the OSM tile server on a local machine with a custom projection system like epsg:3573. For the server installation I followed this tutorial ...
0
votes
1answer
139 views

Geowebcache “seed” doesn't seem to work

I'm using Geowebcache seed command (via web interface at http://localhost:8080/geoserver/gwc/rest/seed/workspace:layerName) and it looks like everything runs smoothly but actually no tiles are saved, ...
2
votes
2answers
467 views

Serving multiple styles from tile server

I installed an OSM Mapnik tile server (according to the switch2osm documentation). Now, i'd like to serve tiles in different styles from the same server. Is this somehow possible?
0
votes
2answers
1k views

Vector Tile Rendering on iOS

I'm developing an iOS app for displaying my own custom map data (on GeoServer). The SDK I'm using to display my map is route-me (Alpstein fork) as the map viewer for now. route-me supports raster ...
2
votes
1answer
488 views

Technique for splitting raster image into tiles

I have written a standalone application which renders a globe similar to GoogleEarth/WorldWind which is currently able to display raster imagery from WMS servers. The native geodesy of this ...
2
votes
1answer
204 views

How to use tiles in this strange tiling scheme?

I'm looking at cell coverage maps such as this one, and trying to figure out how to get a GIS program to use it as a source of information. Ultimately, I need to be able to combine the output with ...
0
votes
0answers
27 views

Tiles causing problems with dasharray

I'm having a problem with a stroke-dasharray in Geoserver SLD. When previewing in single-tile mode, everything looks like I want it to, but when I preview in tile-mode I get gaps on the border of the ...
6
votes
3answers
534 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
356 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
944 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
774 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
45 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
68 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
34 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
284 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
73 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
395 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
376 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
473 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
184 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
104 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 ...
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
68 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
307 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
82 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
104 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
298 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
776 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
328 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
148 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
160 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
796 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
654 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
68 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
76 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
1k 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
789 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
54 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 ...