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3
votes
3answers
185 views

Display millions of points in the browser

I have a web application which will track he movement of user, and save the history location to database. And user may want to see his/her movement trace over a period of time, we have to display ...
1
vote
1answer
101 views

Implementing OpenLayers3 basemap from tiles created using gdal2tiles

I recenty discovered the gdal2tiles.py tool which is working great with OpenLayers 2.x, but I wanted to use the new release of OL and I'm having some troubles. I have googled for a solution but i did ...
1
vote
0answers
27 views

Caching layers on the fly and seeding combination

I have created a map in geoserver Im am using geoserver 2.5.1 with the intergrated geowebcache. The map seems to be working fine and the seeding also seems to be working fine provided I don't use a ...
0
votes
0answers
19 views

Confuse about how to make a tiles to support retina device

I have a map picture(15772*13796) so I break them to tiles using gdal2tiles(512*512px not 256*265px) for support retina device but is this correct? Because I a had read this issue and this. They ...
1
vote
0answers
43 views

Use Gdal2tiles to generate 512px tiles

I'm a newbie in gdal2tiles & python but I would like to modify gdal2tiles to create 512px tiles for retina display (screen). Can someone suggest how I can do this?
0
votes
0answers
32 views

Generate tiles of World (Zoom 0-2), Germany (Zoom 2-12), Some Cities (Zoom 12-15)

I'm creating an offline navigation application. I'm using leaflet for displaying the map tiles. Right now I'm creating the tiles using Maperitive. This works great so far. But I can't open bigger ...
1
vote
0answers
82 views

GDAL C/C++ API and filtered pyramid tile generation

I have been tasked with adding functionality to an existing C++ developed toolset whereby a source dataset (typically a single GeoTIFF) needs to be split into tiles at various resolutions ('zoom' ...
1
vote
1answer
261 views

Renderd outputs “failed to initialize projection 4326”

I'm setting up a tile server using the guide provided here. I have everything set up. proj4 is installed in version 4.8.0. The espg file is existant, I ran an xmllint over my xml style file without ...
0
votes
0answers
80 views

Renaming ArcGIS Server Tile Cache to WorldWind Tile Cache

I have a bunch of tile cache created by ArcGIS Server - in WGS84. I would like to re-use these tiles in a WorldWind application. I am thinking all i need to do is rename ArcGIS Server tile cache ...
1
vote
0answers
72 views

ArcGIS Online - My Hosted Services

I am looking for a solution to a problem I have using ArcGIS Online. I am currently creating 5 Tiled Map Packages which I tile on my ArcGIS for Desktop then Publish to my ArcGIS Online Account to ...
0
votes
1answer
279 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
3answers
342 views

Cache generation failed. Progress gets stuck at 0%

I'm trying to publish a map service containing a large .tif raster (48GB). I managed to publish a small cached raster successfully (for testing), but when I tried to publish the large one, the cache ...
3
votes
1answer
568 views

Service published but cache generation failed on ArcGIS Server

I am trying to publish a map service containing a cached raster layer on our ArcGIS Server Enterpise 10.1. I analyze the map service before publishing and no error. The error I get when publishing ...
2
votes
0answers
143 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
0answers
53 views

Making Tiles - Varying the Zoom Level by Population Density

I want to create map tiles for all of the United States at high zoom level (12 or 13). I am using TileMill and mapping census tracts (income). However, I only need the high zoom level for populated ...
2
votes
2answers
525 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 ...
11
votes
1answer
286 views

Giant 2.5 GB JP2 image: How to tile it?

I have a single 2.5 GB JP2 image of a city that I need to split into tiles, which I'll then process to create flight simulation scenery. Google as I might, I can't find the solution. The JP2 ...
3
votes
2answers
474 views

OSM Python Utils: Modifying generate_tiles.py to create 512 x 512 tiles?

[Edited to include example image outputs] SE folks, I'm wanting to modify generate_tiles.py to create 512 x 512 tiles. At om_henners' recommendation, I tried replacing 12 of the 13 instances of 256 ...