TrailRunner 2.1v468 -- Topographic maps for Norway

Thanks to hints given by TrailRunner users, I added the new Statens Kartverk Digital Map Data Source for Norway — provided by the Norwegian Mapping Authority — to the list of OpenStreetmap sources.

As you can see in the depicted screenshots, the quality is phenomenal.
The Map data goes from a National Map scale down to a very detailed map with properties, buildings and roads.

To view the map data, switch to the openStreetMap source and then zoom in somewhere in Norway, TrailRunner will automatically select the new source and display the background map.

> Norwegian Mapping Authority
> TrailRunner 2.1v468

Detailed Bike maps from opencyclemap.org

I have updated the opencyclemap.org data source, as the openStreemap alternative is now hosted on a faster server.
If you didn’t know yet, the cycle map is based on the very same data as the OpenStreetMap project but uses a specialized map renderer for outdoor activities. At low zoom levels it is intended for overviews of the National Cycle Network; at higher zoom levels it should help with planning which streets to cycle on.

The new maps now display a elevation contours and hill coloring and have cycle lanes marked on streets within cities.



You might want to reload your maps if you want TrailRunner not to display the old cached imagery. You can either use File > Consolidate > Reload Background Maps or remove the whole cache directory from your home directory under yourHome/Library/Application Support/TrailRunner/GeoTiles/openstreetmap.org

> openstreetmap.org
> opencyclemap.org

I am impressed



Do you also dream of a time when topographic maps are available for free and the quality would almost be better than commercial alternatives? The time has come. Left you see the region where I do most of my "home runs" on google terrain maps and right the same area on openstreetmap.org. What a detail, how nice…

US Army Topographic Maps

If you live outside the western countries that already offer topographic map services TrailRunner can use, you might want to take a look at the topographic map collection of Perry-Castañeda Library of the University of Texas at Austin. They provide tons of topographic maps created by the US Army. The map above depicts the Ivory Coast in West Africa, a place I've been to years ago.

It would be great if someone could tile these into a common web service format. But until that is done, you can manually add the maps to TrailRunner and calibrate them.

> US Army Map Service Topographic Maps
> Perry-Castañeda Library Map Collection

TrailRunner SneakPeek — Contour Overlay and Terrain Map Source


Today I added a contour layer to background maps. The contour data comes from the same USGS data source as the already known elevation download. But the transparent overlay is something being calculated and provided by Jonathan Stott from www.earthtools.org.
Earthtools is a cool service anyway. Hopefully it will stay free for a long time. As long as it is, enjoy the contours.
The display settings you'll find under Document Settings > Additional Settings > Contour : Show/Hide
The examples above show a region with the contour overlay applied to three background map sources. On the right with satellite imagery and left with openstreetmap.org. As a sidenote I realized that openstreetmap really gets a momentum. I am very pleased for the quality and detail the service now offers. As maps at openstreetmap.org change often, please regularly empty your map cache.
File > Consolidate > Empty Caches
The other news are terrain maps from Google. As you can see in the middle image, also with overlay contours applied.

> www.earthtools.org
> www.openstreetmap.org
> maps.google.com

MapDiscovery 0.5 — Topo Browser

MapDiscovery-appicon
MapDiscovery gets into shape. I am working on it as an easy way to locate yourself on this planet, and to set a starting point in TrailRunner. Instead of the all so popular GoogleEarth digital orthophoto (DOQ) MapDiscovery is specialized on finding topographic maps available from open WMS Servers. Especially the USGS Topo Maps and the Maps from Catalonia and Germany are such great sources with a detail, most can not imagine if haven't seen yet. So for this and other reasons this small application lets you browse around the globe and inspect the best known map sources I know of. > Download MapDiscovery

GeoServer NRW

I am happy to announce that I finally got the GeoServer of Nordrhein-Westfalen integrated as a download source. This will open up a very detailed map coverage for the state in Germany with the highest population. To achieve this, I integrated a great package named proj.4 which is simply a framework to transform coordinate systems from one to another. In this case TrailRunner requires the WGS84 Spatial Reference System EPSG:4326 but the WMS Server of NRW only understands the Gauß-Krüger Reference System EPSG:31466, which is very common in Europe. But even though I can transform points from one coordinate system to another, I still have to rotate each map tile I get back from the server. Mostly by 1.06 degrees. And additionally I have to stretch and bulge the tiles horizontally and vertically to get a perfect overlay with the tiles in the neighborhood. Somehow I have the impression that the WMS server does something weird internally and this is the reason why they are unable to provide the EPSG:4326 projection by default. If someone of my honored readers has any deeper knowledge about what could be going on here, please drop me a line. I would be very thankful to discuss this topic and to find an appropriate solution. The quality, the server can deliver, is really worth the effort.
> PROJ.4 - Cartographic Projections Library

Mapa topografic de Catalunya


One recent WMS discovery will extend the TrailRunner maps download by maps from Catalunya (Spain). The Institut Cartografic de Catalunya (ICC) provides maps in various resolutions, down to 1:5000. This is by far (yet) the best map source I know of.
If you know other open WMS Servers with good material, please drop me a line.