An image file containing a section of map.

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4
votes
1answer
92 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 ...
4
votes
1answer
383 views

Generate tiles for google maps overlays

I am trying to show some information on Google Maps which would be in the form of translucent circle overlays. The problem is that some circles overlap, which results in increased opacity and blending ...
2
votes
1answer
68 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 ...
3
votes
0answers
35 views

How display tiles by using earth plugin in browser?

I was using MAp Tiler to generate tiles for my maps, And everything is great. But I have problems with displaying those tiles in 3D version by using earth plugin. The data which gave me Map tiler was ...
2
votes
0answers
117 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 ...
2
votes
0answers
307 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 ...
2
votes
0answers
121 views

Buffering a Raster with GDAL and Numpy

I am using GDAL to convert a raster dataset into a numpy.array and then using numpy to buffer the data in the raster. For example, I need to know all the regions within 100ft of a school point ...
2
votes
0answers
84 views

Splitting a bounding box into n amount of bounding boxes

Firstly, I've never worked in the GIS area before nor do I have much knowledge of the mathematics behind some of the stuff I am trying to implement. Perhaps i'm getting in over my head. My Situation ...
2
votes
0answers
47 views

How can I figure out whether a sphere is intersecting the Earth between a given lon/lat range?

Given a lon/lat range that represents a tile on the Earth's surface, I need a computationally efficient way to figure out if a spherical volume defined by a point (assume ECEF coordinates) and a ...
2
votes
0answers
86 views

efficiently slicing tiles with gdal C API

Im working a project using the gdal C api(in a block of objective-c) to slice TMS style png tiles. The code currently works, but I'm running into some trouble optimizing to run fast enough for use on ...
2
votes
0answers
213 views

How can I modify the tiles size in Openscales or other ways to boost the application performance

I am developing an application in Flex that uses Openscales and GeoServer in order to provide a map in the background. It works but the perfs aren't really good; even if everything is on the same ...
2
votes
0answers
179 views

GeoServer + ImagePyramid: Request is empty where data exists

I have set up an image pyramid based on 5 levels of tiling. The data is served using the ImagePyramid plugin for GeoServer. When I do a layer preview the data is visualized just like I expect them to ...
2
votes
0answers
408 views

Tile mode in Map server

I am trying to overlay the layers that are rendered using map server over google maps.I am pretty much new to this whole thing. So I tried to go through this example here here ...
1
vote
0answers
14 views

Insert a Mapnik Tile Between Google Base Map and Label Image

I'm currently using Mapnik to create choropleth tiles of regions in Brazil via node-mapnik by using the g.connector from Wax as in the code below and it works well. var map = new ...
1
vote
0answers
49 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 ...
1
vote
0answers
78 views

GDAL and Python: How to “pad the extent” or otherwise handle band.ReadRaster() for area falling slightly outside the image bounds?

In a nutshell, I'm trying to create a bare-metal tiling utility using GDAL and Python. As you can see in the graphic below, which shows the perimeter of a raster and the OSM-structured tile index, ...
1
vote
0answers
156 views

How to generate JPEG tiles using gdal2tiles.py

I am using gdal2tiles.py to generate tiles and packing it into MBTiles using mb-util. gdal2tiles by default generates PNG tiles. When I convert PNG tiles to JPEG large black area around tiles are left ...
1
vote
0answers
185 views

gdal2tiles.py problem - creating mini tiles

I have a similar problem to the issue posted here (gdal2tiles problem). I have 80 GeoTIFFs (4000x4000) with EPSG:27700 projection embedded and TFW and PRJ files. These I have built into a virtual ...
1
vote
0answers
40 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 ...
1
vote
0answers
109 views

setup Mapserver WMS from tile files

I'm totally new to Mapserver and I've been banging my head trying to figure out how to mount a WMS server that will seed images of a small geographical area to a OpenLayers HTML page. I already ...
1
vote
0answers
181 views

Map tiles and max/min latitude and longitude

I'm trying to build a map based on a center point lat/long, the map will always be a fixed size say 1024 by 1024. The user can chance the center point and zoom. If I populate the map with map tiles ...
1
vote
0answers
151 views

Geoserver Tile Generating

I'm a complete newbie at this so please excuse my lack of knowledge. I need to be able to place hundreds of thousands of points on a map. I'm using OpenLayers with Google Maps base layer and I just ...
1
vote
0answers
65 views

History of the web map tile

I'm looking for a brief history of a 256x256 web map tile, in particular who used it first (came up with the idea) and who popularized it. Thanks!
1
vote
0answers
112 views

Creating responsive interaction with tiled maps

I think I may have two conflicting aims but... I need to create responsive Choropleth map very similar to http://leafletjs.com/examples/choropleth.html or ...
1
vote
0answers
330 views

How can I show MapInfo tabs in OpenLayers without using MapXtreme Tile Handler?

I want to connect OpenLayers to mapinfo tabs I have , but I don't have MapXtreme license . Is there a way to show the tabs using different Tile Cache ? I can export the workspace to WOR or MWS files. ...
1
vote
0answers
349 views

Geoserver tiles mismatch

I tried to get WMS tiles from geoserver like /geoserver/gwc/service/tms/1.0.0/layername@EPSG%3A4326@png/15/19142/9530.png or with another projection ...
1
vote
0answers
308 views

Retrieve tile path of superoverlay in Google Earth Plugin using Javascript

I've created a superoverlay using MapTiler and am displaying that in a webpage with the Google Earth plugin. I'd like to identify the current tile (level, x, y) being displayed with a mousemove ...
0
votes
0answers
25 views

Can I make tiles with all countries but one transparent?

I would like to have one country in a given style and all other countries in another grayed out one. But styles should be changeable in the production webmap, so I need them to be independent of each ...
0
votes
0answers
35 views

gdal2tiles generates small picture inside 256x256 tile

I've used gdal2tiles for generating tiles in number of different polar projections and always experienced the same problem — strange small picture inside normal 256x256 png with the rest of space ...
0
votes
0answers
39 views

Creating a tile server from non-map tiles for use in ArcMap

I have tiled top-down imagery that I want to overlay on aerial view maps in ArcMap. What are some ways to create a WMS or TMS from a custom set of tiles? (aka not using tiles from e.g. ...
0
votes
0answers
14 views

Is it possible to update the arcgis bundle file dynamically

We are using Arcgis Server to generate the tiles with Compact format,then we depoly the tiles by WMTS or something else. Now we met some problem when we update the source data,then we will ...
0
votes
0answers
13 views

mod_tile to armhf architecture

I've a machine that has armhf architecure and I need to install a tile server. The machine can't be connected to the internet. For development purpose I installed mod_tile on my other pc (i386 ...
0
votes
0answers
33 views

Google Map API V3

Can I use Google map API V3 to get tiles and then access it over Map Proxy WMS services?
0
votes
0answers
53 views

Using GDAL to link to a TMS

I currently have a C++ application that will consume a WFS using gdal. It determines if the WFS layer is points or polygons then adds stores them in an appropriate object that is later used to ...
0
votes
0answers
168 views

load custom tile over google map (on location) in android

Is there a way to load a custom map of a country over the existing country in google maps? I'm able to load my custom tiles with tileOverlay but they show in the upper-left corner of the google map ...
0
votes
0answers
186 views

viewing GMapCatcher downloaded tiles in ArcGIS Explorer? (as basemap?)

We have a full set of 20 zoom levels of downloaded satellite imagery that we downloaded with (and view in) GMapCatcher - great program! All of these operations are done offline (for a Search and ...
0
votes
0answers
61 views

How to use Openlayers TMS with another SpatialReference?

I am trying to use OpenLayers with my TMS (tilecache). It fetches tiles well but tiles are not in right order. I use EPSG:102067 - Krovak East-North, which has negative axis. Maybe because of this it ...
0
votes
0answers
135 views

OpenLayers animated zooming only for baselayer (not whole map / all layers)

With 2.13 release OpenLayers now has animated zooming. Is it possible to get the animated zooming only for the baselayer not for the whole map (i.e. all layers)? The problem is a have a topology ...
0
votes
0answers
225 views

OpenLayers with Custom Map Tiles and Bounds - Bound and Rendering Issue

I am using a custom map image. And I have verified my lat, lon bounds via google maps. But when using the code below combined with my image - it sometimes returns a negative number for y based on ...
0
votes
0answers
26 views

Set selection in mod_tile

is it posible to set a selection which is allowed to render by mod_tiles? I only need tiles of a special selection like one country or a defined bbox.
0
votes
0answers
34 views

How to convert unreferenced Map Tiles to Referenced Map Tiles

To introduce you: Starting situation is a mobilemap packed in one zip folder. The Maptiles(256x256 pngs) start with a zoom s0 to s8 (in folder s0 is one png in s1 are 4 pngs in s2 are 16pngs..), but ...
0
votes
0answers
48 views

Tiles cover Polygon on zoom and move

i'm using OpenLayers.Geometry.Polygon.createRegularPolygon to generate some nice circles. After i draw them to the Map i'm Moving them and after some while they where hiding by some tiles. The circle ...
0
votes
0answers
46 views

Replacing missing data when using Bing REST Tiles

I'm displaying Bing imagery on a Leaflet map using the Bing REST service and have noticed that at certain zoom levels, imagery is simply not available. That's perfectly fine, but I'd rather not view ...
0
votes
0answers
29 views

Tiles caching - Best process to update part of cached tiles

I use Mapnik and TileStache to create and cache tiles. I wonder what is the best process to recreate part of the tiles collection when some features of a dataset are updated. How to recreate the tiles ...
0
votes
0answers
46 views

Can I manually set the size of GeoServer's tiles?

I'm using GeoServer to generate a street name overlay that we can use with our various basemaps. It works great, but the names repeat too often to be truly beautiful. I've tried bumping up the ...
0
votes
0answers
36 views

Finding Leaflet Map Tiles for Rivers

I'm building a map-based web app with Leaflet that focuses on the Danube river. I'm trying to find map tiles for the river to use as an overlay in my application, but I can't seem to find any services ...
0
votes
0answers
29 views

Export ArcGIS TilePackage from large RasterDataset

We store a large (>1TB) RasterDataset of our Orthoimagery in an ArcSDE 9.3.1 Dataserver (on SQL Server 2008 SP1). With ArcGIS Server 10.1 we want to export TilePackages of certain areas to use them ...
0
votes
0answers
85 views

GeoServer - GeoWebCache tile larger than others

GeoServer Version 2.2.4, GeoTools Version 8.6, GWC 1.3-RC5 I have an issue where a tile is sized incorrectly and misaligned when I provide a gutter for a layer's tile caching. The issue occurs in the ...
0
votes
0answers
149 views

mapnik error - fatal flex scanner internal error--end of buffer missed

I am using Mapnik 2.0.1rc0 on a Windows 7 with python 2.7 32bits inside a GeoDjango App. I often got this error: fatal flex scanner internal error--end of buffer missed that makes python to crash ...
0
votes
0answers
72 views

Changing projection of base layer

Normally, we change projection of vector data for displaying it over a Google base map. Is it possible to change the projection of base image tiles map? If yes, how we can do that? Any reference or ...