Daily Archive for February 4th, 2008

Openstreetmap is growing


The OpenStreetMap project is growing. The project can be compared with wikipadia. OpenStreetMap is a free editable map of the whole world. It is made by people like you. OpenStreetMap allows you to view, edit and use geographical data in a collaborative way from anywhere on Earth.

OpenStreetMap is a project aimed squarely at creating and providing free geographic data such as street maps to anyone who wants them. The project was started because most maps you think of as free actually have legal or technical restrictions on their use, holding back people from using them in creative, productive or unexpected ways.

Contributors to OpenStreetMap take handheld GPS devices with them on journeys, or go out specially to record GPS tracks. They record street names, village names and other features using notebooks, digital cameras, and voice-recorders.

Back at the computer, contributors upload those GPS logs showing where they travelled, and trace-out the roads on OpenStreetMap’s collaborative database. Using their notes, contributors add the street names, information such as the type of road or path, and the connections between roads.

That data is then processed to produce detailed street-level maps, which can be published freely on sites such as Wikipedia, used to create handheld or in-car navigation devices, or printed and copied without restriction.

munich_0608to0709b_small.gif

This Animation showing the development of OSM in the area Munich, the capital of Bavaria, Germany. Time shown: August 2006 until September 2007. This animation is also shown at the German page on Munich.

Continue reading ‘Openstreetmap is growing’

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Year of Mathematics 2008


This video is in German (Sorry for this):

This ZDF video article show the importance of mathematics of today’s society. It was done together with Google and shows how Google solves a lot of their problems using algorithms and mathematics. And of course you know that the founders of Google, Sergey Brin and Larry Page were mathematic students.

[gwb]

Written and submitted from CUAS, Villach.

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Android #000: How to create a Mapview


To create a MapView within Android you onle have to use the MapView object. You can go through the code and see how it works. For the user interface hou need to have en element with the corresponing ID.

The Class:

package com.joesonic;
import android.app.Activity;
import android.os.Bundle;
import com.google.android.maps.MapActivity;
import com.google.android.maps.MapView;
public class MapsMini extends MapActivity {
/** Called when the activity is first created. */
private MapView mapview;
@Override
public void onCreate(Bundle icicle) {
super.onCreate(icicle);
setContentView(R.layout.main);
mapview = (MapView)findViewById(R.id.mapview);
}
}

The Result:

neues-bild-3.png

Written and submitted from Home, using my 802.11g WiFi network.

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