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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261 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. ...
3
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1answer
235 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
61 views

Mapnik + OpenStreetMap + Shapefile with Raster Images + Mod Tile + PostGIS

I am new to GIS. I have a Shapefile (.shp, .shx and .pbf). The .pbf file contains path to PNG files located on my machine only. I was able to save the Shp data to PostGis via Shape2Gis tool. Now ...
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1answer
85 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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1answer
139 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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1answer
147 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 ...
0
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1answer
95 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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1answer
58 views

PostGis geometry name lookup failed for table

I have a table name erpAssets which has column name Region of type polygon. it contains entries of points also like (-79.4609576808001,43.9726680183837)). I have written query which convert these ...
3
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121 views

Ubuntu Newbie I am frustrated trying to install (all things GEOS) WEB-GIS

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 ...
3
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120 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 ...
2
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160 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 ...
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57 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 ...
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0answers
378 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 ...
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0answers
25 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 ...
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70 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 ...
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318 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 ...
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138 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 │ ...
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171 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) ...
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62 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 ...
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94 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 ...
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141 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 ...
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196 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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196 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 ...
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427 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 ...
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17 views

Custom projection with mapnik

I would like to superimpose openstreetmap data over a raster image, using mapnik. My problem is that this image is not in a projection being defined by a SRS, I have some non-linear algorithm to run ...
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10 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 ...
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22 views

Adding another style to an OpenStreetMap server using Mapnik and PostGIS etc

I have created an OpenStreetMap server using this guide: switch to osm it's very good and works like a charm. I have also been able to add a new theme using TileMill and osm-bright However, I now ...
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10 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 ...
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52 views

Tiles taking too long to render

I've followed the tutorial available here. The installation worked alright, but opening the tile in a browser leads to a 404 error. The only error from the server is "Failed to read cmd on fd 10". ...
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38 views

Tilemill reversing inner and outer in multipolygon relations

Tilemill renders multipolygon relation (a middle part of a big lake (ID 2101875)) incorrectly: Multipolygon relations (inner/outer) seems to render mirror-like, compare: an island in OpenStreetMap ...
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17 views

Mapnik projection for rectangular coordinates

I am trying to use mapnik to render indoor floorplans and am having a little trouble figuring out the SRS projection. I have geoJSON that represents the floorplan. The coordinates are just cartesian ...
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49 views

Geojson not rendered with Mapnik

I am trying to generate a tile with Mapnik with a GeoJSON. The stylesheet.xml with the part to render the GeoJSON is the following: <Style name="cities" filter-mode="first"> <Rule> ...
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36 views

Mapnik XML Stylesheet in QGIS

Is it possible to use a Mapnik XML Stylesheet to style/render data in QGIS? I know there is Quantumnik to generate Mapnik XML Stylesheets. Yet I am wondering if it is possible to import a Mapnik XML ...
0
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35 views

OGCServer as WMS application in Apache

I'm a really new in Mapnik OGC Server. Could you please help me with configuring OGCServer as WMS Server on Apache2? I use Windows platform and have already configured Mapnik,Python27. I've also ...
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40 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 ...
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95 views

Mapnik: GeoTIFF flipped (mirrored vertically)

I generated a GeoTiff using the QGIS HeatMap plugin and want to render it on top of some OSM data. The problem is that the raster gets rendered upside-down in the output. Can someone point me in the ...
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13 views

Cannot install node-mapnik on Windows 2008 x64

I have been spending the last few days trying to get node-mapnik running but with no success. Initially inspired by Wilhelm Berg's demo (https://www.youtube.com/watch?v=GlTaRpg3CbQ) which renders ...
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86 views

How to convert .shp file to zip file with mapnik?

I am creating android application for campus indoor map. I research so much think.I decide use osmdroid. I write here what I have done 1) I draw indoor map with JOSM. 2) I convert file.osm file to ...
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39 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 ...
0
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50 views

tilecache config for generation mapnik tile

i have a xml stylesheet like below map: <Map srs="+proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0.0 +k=1.0 +units=m +nadgrids=@null +wktext +no_defs +over" ...
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72 views

command line alternates for softwares like tilemill, maptiler

tilemill works just fine for my needs but , i want to do the whole process on command line . since new geotiff files are going to be added in my project, and i need to automate this whole process . ...
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0answers
180 views

Mapnik render Error : Could not create datasource for type 'postgis'

I try to use mapnik render for a tile server. During the initialization 'renderd -f -c /usr/local/etc/renderd.conf', the following error message is displayed : An error occurred while loading the map ...
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0answers
33 views

Mapnik TextSymbolizer not randomly missing out text

I have an issue with mapnik 2.1.0-pre. Mapnik skips labeling polygons with the TextSymbolizer attribute. Is there any particular reason this could happen? text_symbolizer = ...
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49 views

Separate tilestache cache for each mapnik

I'm using tilestache with mapnik source and redis cache. I'm wondering if there is a possibility for defining seperate cache for each layer? I want to have unique "key prefix" for each layer, ...
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0answers
23 views

are math operations in the osm.xml file possible

Is it possible to do math operations in the osm.xml file? Specifically, I have tried scaling all the peaks elevations like this: <TextSymbolizer size="9" fill="brown" dy="6" ...
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0answers
58 views

Problem importing mapnik in python

I have brew installed Mapnik bust still can't import it with Python (version 2.7.5 on Mac 10.8.4). I have been browsing for solutions but still couldn't find any that worked for me. In particular I ...
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0answers
135 views

Dynamically generating data for map tiles from Python function

I'm brand-new to GIS and relatively new to web services. I've found a ton of great resources on the web, but I'm having trouble addressing one specific issue: One of the data layers on my planned map ...
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187 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 ...
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105 views

Missing tiles when django application is hosted on an apache server

I'm building a GIS application using Django as my web framework and OpenLayers to implement a slippy map interface. I was initially using the django runserver for development and everything was ...
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0answers
157 views

using mapnik xml file to render tiles in python

Is it possible to use an xml file in python? without using the bindings for python for mapnik. basically i'm using django/geodjango, postgis and well i decided i'd try and design the map on tilemill ...