python-mapnik: Misssing shared library libicuuc.so.52 Error

After installation of Mapnik was getting error running import Mapnik: Traceback (most recent call last): File “./generate_image.py”, line 16, in <module> import mapnik File “/usr/local/python2.6/dist-package/mapnik/__init__.py”, line 69, in <module> from _mapnik import * ImportError: libicuuc.so.52: cannot open shared object file: No such file or directory This may cause the problem, an old mapnik installation from…

Inserting Code to Latex File

While working on adding source code to Latex found that a Package{listing} is of best use. I used that in my file. The best source I found on Sharelatex. For Styleing the code I used \usepackage{color} \definecolor{codegreen}{rgb}{0,0.6,0} \definecolor{codegray}{rgb}{0.5,0.5,0.5} \definecolor{codepurple}{rgb}{0.58,0,0.82} \definecolor{backcolour}{rgb}{0.95,0.95,0.92} \lstdefinestyle{mystyle}{ backgroundcolor=\color{backcolour}, commentstyle=\color{codegreen}, keywordstyle=\color{magenta}, numberstyle=\tiny\color{codegray}, stringstyle=\color{codepurple}, basicstyle=\footnotesize, breakatwhitespace=false, breaklines=true, captionpos=b, keepspaces=true, numbers=left, numbersep=5pt, showspaces=false, showstringspaces=false,…

Best Diagram Drawer — THE DIA – Open Source with .tex export option

Because i use latex for writing, I need software which can provide high quality images. So One i found is Dia an open source alternative to Microsift Visio.  Dia is a program to draw structured diagrams. I love this even more, not only producing good quality diagrams with varying resolution, but also the diagram can be…

Wikimapia – Another Crowd Sourced Map Data

Introducing Wikimapia {ref } Wikimapia is a participatory mapping online project launched in 2006 by two Russian computer scientists, based on satellite imagery from Google. The operation is relatively simple: it is to trace places compared to satellite images and then assign annotations to explain what it is: a park, a hospital, a school, a…

Reblogged :- The rise of OpenStreetMap & Why the World Needs OpenStreetMap

Read these two articles at 1. http://blog.emacsen.net/blog/2014/01/04/why-the-world-needs-openstreetmap/ 2. http://thenextweb.com/insider/2014/02/28/openstreetmap/ 3. http://searchengineland.com/founder-openstreetmap-good-better-google-maps-already-192089 4. http://www.digitaltrends.com/computing/google-map-maker-vs-openstreetmap-id-editor/

Paper Map v/s Digital Map

With the rise of smartphones, millions of people have tossed away their paper maps, instead relying on GPS and mapping apps on our phones to find a restaurant or plan a road trip. But is that really a good thing? Surprisingly enough, there’s a lot of academic research into the digital versus paper maps issue….

OSM quality assessment with QGIS: network length

Originally posted on Free and Open Source GIS Ramblings:
In my previous post, I presented a Processing model to determine positional accuracy of street networks. Today, I’ll cover another very popular tool to assess OSM quality in a region: network length comparison. Here’s the corresponding slide from my FOSS4G presentation which shows an example of…

Building a tile server on Ubuntu- 13.04

Manually building a tile server (13.04) This page describes how to install, setup and configure all the necessary software to operate your own tile server. The step-by-step instructions are written for Ubuntu Linux 13.04 Software installation The OSM tile server stack is a collection of programs and libraries that work together to create a tile…

OpenStreetMap file into a mysql database

 Reference Wikipedia Link osmDB.pm is a module (in extension to osm.pm) to transfer data extracted from an osm file into a mysql database. Motivation With the growing size of germany.osm (or osm in general) it is becoming harder by the day to handle all this data. Especially if not enough RAM is present. So I…

Spatial Databases

PostGIS database is best suited  to store geographic data . Scaling GIS Data in non-relational data stores is easy due to the nature of its architecture. Some of the Spatial Databases in addition to POSTGIS are Oracle RDBMS with Spatial or Locator IBM DB2 with Spatial Extender IBM Informix with Spatial Blade MongoDB supports two-dimensional geospatial indexes….