An image file containing a section of map.

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2answers
1k 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
838 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
46 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.
1
vote
1answer
360 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
91 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
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0answers
509 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
401 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
620 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
235 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
121 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
3k 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
102 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 ...
2
votes
1answer
79 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
76 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
9k 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
349 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
2k 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
83 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 ...
2
votes
0answers
108 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
361 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
850 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
375 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
153 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
166 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
926 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 ...
9
votes
1answer
6k 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
54 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
766 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
94 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
80 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
2k 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
970 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 ...
0
votes
1answer
401 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
331 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
47 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
293 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
188 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
424 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
488 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
647 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
83 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 ...
3
votes
0answers
185 views

Generate tiles using GPU

I was wondering if anyone has tried already to utilise the GPU in tile generation? I have a quite big dataset so tile generation takes a while (especially on high zoom levels) even on a quite high ...
1
vote
3answers
350 views

Stitch mapbox tiles

I have customized mapbox tiles and i need to print it on A2 size paper on high zoom level at around scale of 500 to 1000. I am thinking of stitching the adjacent tiles together to form a single big ...
1
vote
1answer
392 views

From local tiles to WMS via Mapproxy

I have any local tiles (seed via Mapproxy) of any local area. May I configure mapproxy that I can use a local tile directory on my computer as a source and get the output then WMS ? I've already ...
4
votes
1answer
212 views

Openlayers tiles source with poor resolution, how zoom out?

I am using Openlayers to display a map from Vienna Open Data (Capabilities) in an app for mobiles, which have higher DPI screens. The resolution of the tiles is not so good (I suppose because they ...
2
votes
0answers
621 views

Building java based desktop map application using embedded database such as spatialite

I am relatively very new to building GIS based applications and have a very limited understanding in this area. So I need some help in building a java based desktop application which would generate ...