Mapnik is an open source mapping toolkit, written in C++ and useful for both desktop- and server-based map rendering. It is used by Tilemill and openstreetmap. Learn more at http://mapnik.org/

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using mod_tile in windows

I am trying to generate tiles on the fly in windows using mod_tile. I have followed the tutorial http://switch2osm.org/serving-tiles/manually-building-a-tile-server-14-04/ on ubuntu and successfully ...
2
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1answer
211 views

font error when using mapnik generate_tiles.py

generate_tiles.py has worked fine throughout the transition from mapnik 0.7 to mapnik 2.x in gentoo linux. Now I have switched to debian (wheezy) and I am getting the following error when I run ...
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1answer
185 views

Rendering points and polygons with Mapnik

I've tried to render a few maps in Mapnik and I have a little problem. I want to render a map that contains two layers: point and polygon. I've used this script: import mapnik rule = mapnik.Rule() ...
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1answer
17 views

Max Zoom Level in Mapnik

A question regarding mapnik: Is it possible to configure a custom max. zoom level? I am trying to find a way to get mapnik to render tiles for zoom levels 20+ (till 28 would be nice). PS: The ...
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1answer
245 views

How to configure mapproxy and mapnik for getfeatureinfo requests

I'm wondering if its possible to configure mapproxy and mapnik for getfeatureinfo requests. I've made this combination work for getmap requests, but when I request getfeatureinfo I receive layer xxx ...
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1answer
242 views

Mapnik not generating tiles for tilecatche

imported data by using Osm2pgsql, to get rid off all problems related to data conversion, i stored this as latlong (-l parameter).I created stylesheet, and i tested with python script and it was ...
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1answer
458 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 ...
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0answers
52 views

Serving Dynamic Tiles

I want to display data (tiles and utfgrid info) inside MSSQL on top of google maps using Mapnik. I have looked into mapnik and setup a small prototype both with tilestache and also with node-mapnik ...
3
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1answer
406 views

How to configure tilecache on nginx

I am running a geodjango application with mapnik and tilecache. Currently tilecache is run on another server to decrease the load on the application server. The application server has nginx as the ...
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1answer
1k views

Generating Interactive Tiles using Nodejs, Mapnik, and PostGIS for Leaflet

I am looking to do something like this but where I have all the data on the same server. I've been following through the set of tutorials @ sparkgeo.com/labs/big/ and I'm having some difficulty. ...
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0answers
14 views

Draw only the portion of a border shared by two features?

I need to draw two countries' shared border in a style distinct from the other borders on my map. I've come up with some very hacky ways that kind of work, but is there a right way to do this? I'm ...
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1answer
298 views

Orthographic reprojection with mapnik

I am trying to create a google earth like wep application. My problem is that I can't get to render a full view of the earth. The zoom_all() function generates the following error : RuntimeError: ...
2
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1answer
164 views

GeoServer WMS / WMTS with Mapnik rendering backend

I am going to migrate our current TileCache WMS-T server to a current and up to date GeoServer / GeoWebCache product. We use Mapnik as our rendering back end and I would love to keep it this way. I ...
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1answer
26 views

Removing Dashed Borders of CartoDB Polygons

I've created a CartoDB map with a bunch of different multipolygons and it is displayed with a CartoCSS color ramp I created. However I've noticed that I cannot rid my map of the dashed lines that ...
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0answers
13 views

Keeping file paths when converting cartocss to mapnik style

I am using Tilemill to edit a map style (mss) which is then exported for mapnik (xml). The problem is that although I specify the full path to my layer sources (e.g. shapefiles) when I export the ...
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1answer
564 views

How to use OSM Bright with Mapnik Renderd

I have set up an OSM tile server using instructions at this blog - http://seshagiriprabhu.wordpress.com/2013/07/21/building-an-openstreetmap-tile-server-on-ubuntu-12-04-lts/ The slippymap renders ...
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2answers
171 views

How to style ways with CartoCSS depending on a relation property (OSM)

I'm using CartoCSS together with an OSM Postgres DB (hstore on). I want to set the line color depending on the operator tag of relations (routes). How can I do that? Update Thanks to Paul Norman for ...
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0answers
24 views

icu4c + Mapnik - I want to switch icu4c from 55.1 to 54.1 to get Mapnik to work

What is the best way to downgrade icu4c from 55.1 to 54.1 on Mac OS X Mavericks. I tried brew switch icu4c 54.1 and failed. Reason to switch back to 54.1 I am trying to setup and use Mapnik. I was ...
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1answer
180 views

Wrong size when use Mapproxy to serve Mapnik tiles as ESPG: 900913

I have been stuck at this problem for a whole day. Really would like to ask for some help. Problem: In MapProxy Demo TMS page, EPSG:4326 looks fine, except the map is tilted and I don't want that. ...
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4answers
292 views

How to install everything “geo” in Ubuntu?

I am new to ubuntu SAUCY and I must confess the transition from windows has not been really easy for me. on windows everything seems pretty much straight forward but I am getting frustrated because It ...
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3answers
88 views

Generating vector tiles with Mapnik

Is it possible to generate Vector Tiles using the 2.2.0 Mapnik release? If so, please give a sample configuration or point to an example.
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1answer
326 views

gdal2tiles doesn't use resampling method correct?

I'm using gdal2tiles to create tiles from MODIS satellite imagery (250 m resolution) and I have noticed that I get the same bad result if I use -r near or -r bilinear (or lanczos for that matter). See ...
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1answer
27 views

I have a shapefile with polygons/areas, and a point (lat,lon). How to figure out which polygon/area this point belongs to?

I have a shapefile with areas (eg. a simple world map with countries - polygons, epsg:4326). I also have a point (lat, lon coordinates). What's the simplest/easiest way to figure out in which ...
3
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3answers
1k views

Tile server with dynamic mapnik rendering, caching, and pre-emptive rendering

I've been making some pretty (but computationally expensive) tiles with TileMill and I'd like to serve them up. First, I served them straight from TileMill. Every tile gets rendered dynamically, ...
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2answers
168 views

Labelling a multipoygon scattered in different areas

I am using mapnik and tilecache to generate tiles and openlayers to view map in the browser. In one of my shapefiles(multipolygon) with administrative boundaries, I found that more than one records ...
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0answers
45 views

Data format for offline apps on iPad?

For an iPAD application (based on WhirlyGlobe) we've two modes: offline and online. It's a meteorological application so each day around 1600 layers (worldwide) per day are created on the servers. ...
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0answers
34 views

Mapnik performance - large polyline dataset

I'm working with a very large set of polylines - contour data - to be rendered with Mapnik. (The contours are generated using gdal_contour from SRTM data.) At present I'm storing them in PostGIS and ...
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0answers
26 views

How to add a non-pattern polygon fill in mapnik/mapbox?

I have a map with a polygon that I want to fill with an SVG image (see simple example below). I got polygon-pattern-file to work, but I don't want the image to be used as a pattern. I mean, when I ...
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1answer
73 views

Using custom styles with Mapnik

I'm setting up a custom tile server using OpenstreetMaps and Mapnik. I've been able to successfully setup the server and serve tiles using it. I'm using the OSM-Bright style right now. I would like ...
0
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1answer
898 views

Apache2 is missing conf.d file

I am following this tutorial about how to create my own tiles and got stuck on slide 20. I am trying to tell my web server about my mod_tile installation. However the folder /etc/apache2 doesn't have ...
2
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0answers
35 views

How to serve an image layer with tilestache

I have some .png images with associated .wld and .tfw files. I'd like to display this in OpenLayers, and I already have a Tilestache server running, so it would be good to leverage this. OpenLayers ...
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4answers
11k views

Mapnik, Mapserver or Geoserver

I'm currently developping an ArcGIS based flex webviewer. ArcGIS is great for most of the things but there are some issues like performance and license costs. That's why I'm looking into possible ...
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1answer
193 views

Difference between 2 projections?

I have osm.xml file where projection is defined as follows: Map background-color="grey" srs="&srs900913;" minimum-version="2.0.0"> n settings.xml file projection is also set there as: <!ENTITY ...
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0answers
24 views

Rendered tiles look stretched

I've setup a tile rendering system based on Mapnik + PostGIS. When I open the data with QGis directly from PostGIS it looks fine; but when I attempt to generate tiles with Mapnik they look stretched ...
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1answer
413 views

basic question about mapnik

I am new in mapnik, and I found mapnik at OSM wiki page. And I am interested in it, but I have some question. 1 the mapnik work scope It seems that it is a library for map rendering(creation), ...
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0answers
57 views

SVG patterns in Tilemill/Mapbox Studio

I'm working on a project that requires custom styles for lines, similar to that in Mapbox's line-pattern-file example, but I keep running into an issue where my custom line symbology looks suboptimal ...
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2answers
95 views

Converting from Lat/Lon (WGS84) to Mercator (UTM)

i am trying to render a map with Mapnik via Python. Therefore I first created a style file (as XML) and my code looks so far: m = mapnik.Map(400, 400) style = 'osm.xml' mapnik.load_map(m, style) box ...
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0answers
477 views

How to render Mapbox Vector Tiles from OSM data?

I'd like to render my own vector tiles in the Mapbox Vector Tile format (MVT) format using OpenStreetMap data (ultimately for use with Mapbox's hot Mapbox GL JS client renderer). Is TileStache + ...
3
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1answer
798 views

Why aren't Mapbox vector tiles rendered in the browser?

Would it be technically possible to have Mapbox's compact vector tile format sent to the client (instead of PNG tiles), then rendered inside the browser with JS code? Second question: when using ...
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0answers
37 views

DPI Dependent OSM Tile Rendering

We have built an OSM Tile Server following the instructions at http://switch2osm.org/serving-tiles/building-a-tile-server-from-packages/ The tile server is rendering tiles, but the street names on ...
3
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3answers
1k views

Generating MapQuest Style tiles for offline use

I need to create about a 9-level deep SLIPPY map of the world from OSM data (for offline use). So I cannot use the MapQuest, CloudMade, etc. servers). The projection must be EPSG4326 (LL84) which is ...
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0answers
47 views

TileMill: inset line with negative line-offset property value produces strange artifacts

I'm trying to create an inset line in TileMill within a polygon using a negative value with the line-offset property. However, it looks like the a line's cap doesn't get shifted, causing strange ...
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1answer
154 views

Open Source GIS Problem [closed]

I am new at open source GIS platform. I am using Ubuntu 12.10. I have tried to install the followings but without 2-3 tools I could not install anyone. Can any body help me how can I install the ...
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0answers
53 views

CartoCSS: labels along inside of polygon boundary

I'm using CartoCSS to render maps that include large polygons (like national parks). At higher zoom levels I want labels along the inside of the polygon boundaries, like in OpenStreetMap: I ...
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1answer
46 views

Unable to find either renderd.py or generate_tiles.py

We created a Ubuntu 14.04.1 LTS x64 OSM tile server from packages using the excellent instructions provided by http://switch2osm.org/serving-tiles/building-a-tile-server-from-packages/ The tile ...
2
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0answers
80 views

Cartographic-complete Maps in PDF On Request using Open Source?

Currently I have some data in PostGIS. I want to implement the following: users will make a request via web, with parameters like location, scale, layers to be displayed, etc. and I need to provide ...
4
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1answer
68 views

Rendering two shapes for point, and overlapping, using Mapnik?

I'm using Mapnik to render a list of points; for each of these points I want to render a plain round shape, and an icon inside the shape, using two different SVGs. To that end, I wrote a CartoCSS ...
2
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1answer
124 views

Error in Windshaft-cartodb installation step of CartoDb

I am trying to install cartodb on ubuntu 12.04. I have done all the steps mentioned on https://github.com/CartoDB/cartodb and I am stuck at the Install Windshaft-cartodb Step. The following steps ...
3
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1answer
117 views

artifacts in SRTM contour layers processed with GDAL tools and rendered with mapnik

Here is my workflow for importing individual SRTM tiles into postgis using the GDAL utils and rendering a png using mapnik: gdal_fillnodata.py -srcnodata -32768 gdal_contour -i 10 -a ele -snodata ...
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1answer
26 views

return state of point from postgis / mapnik pgsql db

I realize that I can confirm whether or not a point lies within a state like this: SELECT ST_Contains(poly,pt) As testr FROM ( SELECT ...