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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4
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270 views

Tilestache/Mapnik: Is it possible to create dynamically filtered layers?

I'm using Tilestache to generate two layers with the mapnik and mapnik grid providers, and it's working great! However, I want users to be able to filter the data over many (more than ten) ...
3
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43 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. ...
3
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215 views

How to create a Typographic Map with Mapnik

So i am trying to make a typographic map using mapnik. I want the street names along a particular street not to overlap, but I want an intersection between two streets to over lap. Currently some ...
3
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0answers
510 views

Get tile URL with projection different than 900913

I have the following code, which should display a slippy map showing tiles producted by me with mapnik: Proj4js.defs["EPSG:31258"] = "+proj=tmerc +lat_0=0 +lon_0=13.33333333333333 +k=1 +x_0=450000 ...
2
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0answers
32 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 ...
2
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0answers
78 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 ...
2
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0answers
451 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 + ...
2
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84 views

mapnik xml and carto css

I have a large mapnik xml file that I would like to convert to carto css to manage with tile-mill. What tools should I use on Ubuntu 14.04. I have tried to compile the cartogenerator from Dane but it ...
2
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76 views

Mapnik change xml config on the fly

I have tile server running based on mapnik, mod_tile, and renderd. It was succesfully generate and serving tile using mapnik xml configuration which defined on renderd.conf. Something like this : ...
2
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182 views

Styling river charts with TileMill - issue with filling a polygon made of disjoint line segments

I am trying to style inland river charts produced by the Army Corps of Engineers. I imported the vectors into Postgres, and I’m using TileMill to style the data. I am having trouble correctly filling ...
2
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58 views

Mod Tiles configuring probelem

I have installed all most every requirements to configure Mod Tiles. When I am trying to install it by ./autogen.sh its not installing. Its replying ./autogen.sh: 2: ./autogen.sh: autoreconf: not ...
1
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46 views
+50

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 ...
1
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32 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 ...
1
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0answers
24 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 ...
1
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0answers
55 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 ...
1
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0answers
35 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 ...
1
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0answers
50 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 ...
1
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0answers
40 views

“fill in” .vrt with missing locations in a mosaic

I have ~2000 NASA SRTM .hgt files. I wanted to join them together in a single mosaic, and to save disk space I used GDAL to create a .VRT rather than a very large GeoTiff. This is read by Mapnik. ...
1
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0answers
18 views

Point Symbolizer() in rundemo.cpp file Giving error

The code is given Below: roads2_rule_11.append(point_symbolizer("abc.png")); The error is given below: rundemo.cpp: In function âint main(int, char**)â: rundemo.cpp:142:57: error: no matching ...
1
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0answers
30 views

What is a Format of csv plugin datasource string in mapnik

I have tried that Format Is that is a correct format to pass to CSV plugin,the sample C++ code is given Below: std::string csv_string("wkt,Name POLYGON((5.123456 51.6, 6.8 52.6, 7.8 51.6, 5.123456 ...
1
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0answers
84 views

Mapnik PGRaster Plugin creating 8x8 tiles with visible boundaries

I have used the latest addition to Mapnik PGRaster plugin (https://github.com/mapnik/mapnik/tree/2.3.x) by Strk(https://github.com/strk/mapnik/tree/2.3.x-pgraster) and merged recently. I am able to ...
1
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179 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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214 views

Generating full planet tiles from OpenStreetMap data?

i am tested using two scenarios, 1) First, i am used switch2osm for tile rendering. its good it handles many things. But it takes long days to pre-render all tiles and it takes huge memory ...
1
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0answers
169 views

Configuring Mapproxy + Mapnik for using Getfeatureinfo

This is probably a duplicate of this question: How to configure mapproxy and mapnik for getfeatureinfo requests, however, that one is old and still unanswered. I'm trying to configure a Mapproxy ...
1
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41 views

Avoid text/shields from being too close using Mapnik xml

I'm having the problem of text/shields from different layers appear too close to each other on the map generated from Mapnik xml. The screenshot below shows the problem I have three layers in this ...
1
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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 ...
1
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0answers
433 views

Mapserver and Tilecache configuration issue

Currently I am using mapnik2 with tilecache for map generation. As there is shift in some of the tiles generated,I am trying to configure mapserver with tilecache for caching tiles. I have installed ...
1
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0answers
248 views

Map with custom tiles having uncommon EPSG

I've produced with mapnik my own tiles with EPSG:31256 on a shapefile. I've structured the tiles in a OSM-like tree: zoom/x/y.png, with zoom from 0 to 2 and, x y starting from 1: tiles ├── 0 │ ...
1
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0answers
64 views

New geographical point won't show on map

I did recently ask a question about how to add a new point to a PostGIS table. Now when I've got the new point in the table it should be visible on my map, but it isn't. I'm using Mapnik together ...
1
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0answers
107 views

Mapnik OGCServer doesn't work if theres no active internet connection

Didn't find anything similar so: I have a mapnik OGCServer on an ubuntu 12.04 virtual machine (vmware player) which works fine. The problem occurs when i disconnect all network connections, when ogc ...
1
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0answers
157 views

produce images with shapefiles and OpenStreetMap

I have a python file http://pastebin.com/jzwE6c6P which iterates over the features of a shapefile and renders a simple image by zooming to the bounding box of each feature. What I need is ...
1
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226 views

Mapnik: mapnik.has_pycairo() returns False. How to fix this on Windows for Python27?

I'm trying to modify rundemo.py (comes canned with Mapnik Windows binaries) to render output files at a higher resolution, but it seems I still have issues with my Mapnik-to-Cairo setup. I've got ...
1
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0answers
484 views

Tilecache + Mapnik + Apache generates incomplete tiles (missing layers)

I have TileCache + Mapnik working with a custom osm.xml stylesheet. When I run tilecache_http_server.py the tiles are served OK. But when I run TileCache under Apache (with mod_wsgi) I see incomplete ...
0
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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 ...
0
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0answers
11 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 ...
0
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0answers
23 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 ...
0
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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 ...
0
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0answers
45 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 ...
0
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0answers
38 views

postgis & mapnik “column ”CLASS“ does not exist”

I've piped an osm map of greece into postgis with osm2pgsql and was playing around with C++ mapnik sample code giving "planet_osm_polygon" as the source table: parameters p0; p0["type"] = ...
0
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0answers
54 views

Why does a (relatively) small .CSV file break the Mapnik CSV plugin?

I have an app showing a map of N. America, and I want to let users toggle a layer displaying airports. The map needs to be available without an Internet connection, so I'm hosting the tiles and ...
0
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0answers
113 views

Where can i get OSM water polygon for lower zoom level?

i wants ocean (water polygons shapefile) for generating vector tile map. Initially tested using shape file openstreetmapdata it works fine. But at low zoom level i produce pbf file with higher size. ...
0
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0answers
103 views

use mapnik to read from multiple geotiffs

I set up Mapnik to custom-render a GeoTiff file. python and xml files to do so were taken from a github mapnik example, and the successful image output is a rainbow-esque .png from the original .tif. ...
0
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0answers
34 views

How I use point symbolizer for styling in mapnik c++ source code?

I have tried point symbolizer for styling in c++ mapnik source code ,the given code line : roads2_rule_11.append(point_symbolizer("/home/razaliaqat/raza.jpg")); But it is giving an error given ...
0
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0answers
17 views

Pass Data as a String Using Mapnik CVS Plugin

I am new in mapnik and c++ I need Help. I have a code written in C++ that read a data using postGis .The Sample Code is given Below: parameters p; p["type"]="postgis"; ...
0
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0answers
78 views

Mod Tile Cache Size

I am using Mod Tile, Renderd and Mapnik to creat a Tile Server. My question here is, does mod_tile have specific limits for the cache size? If yes, where can it be configured. And what mechanism it ...
0
votes
0answers
77 views

UTFGrid from raster source

Is it possible to make utfgrids from a raster source (e.g. GeoTIFF)? I am trying to get utfgrids from a .tif with mapnik.xml and TileStache but it seems not to be working. As a workaround I am ...
0
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0answers
141 views

How to generate map tiles with TileStache and a custom projection

I would like to generate my own map tiles using TileStache and a custom projection. I have been struggling with this for quite some time and am hoping I can get some advice to get the tiles to ...
0
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0answers
46 views

How to generate tiles for EPSG:3413 from shapefiles

I want to make tiles at EPSG:3413 projection from coastline shapefiles provided by naturalearthdata. How to do it? I converted shapefiles to 3413 via ogr2ogr, imported it to mapnik, set ...
0
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0answers
63 views

tilestache wms layer in qgis and open layer rendered layer

I have setup tilestache and styled a map for using mapnik xml and I can call on the url in a web browser, how can I call the url for a wms layer in QGIS or is there a way to view mapnik xml in qgis. I ...
0
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0answers
27 views

Tilemill logs - Is there a way to remove [tilemill] prefix

In the Tilemill logs, is there a way to remove the [tilemill] prefix of every line? I'm trying to add the timestamp of each log line in the tilemill logs. I can easily do it with log-prefix module. I ...