From 31e624118c73901e06239485266260859af3f167 Mon Sep 17 00:00:00 2001 From: Johannes Hofmann Date: Sat, 7 Mar 2009 19:28:33 +0100 Subject: update README and NEWS --- README | 41 ++++++++++++++++++++++++----------------- 1 file changed, 24 insertions(+), 17 deletions(-) (limited to 'README') diff --git a/README b/README index bb6822e..4669ed9 100644 --- a/README +++ b/README @@ -24,11 +24,11 @@ compute the viewing paramteres from the given data points. Requirements ------------ -* fltk-1.1.x -* libtiff -* libjpeg -* exif utility -* GSL - GNU Scientific Library +* [fltk-1.1.x](http://www.fltk.org) +* [libtiff](http://www.remotesensing.org/libtiff/) +* [libjpeg](http://www.ijg.org/) +* [exif utility](http://libexif.sourceforge.net/) +* [GSL - GNU Scientific Library](http://www.gnu.org/software/gsl/) * gipfel works on UNIX-like systems (e.g. Linux, *BSD and probably others) Installation @@ -66,8 +66,8 @@ If you have positioned at least two mountains, you can click on the "comp" button in the control window to compute the parameters of the picture. -You may also want to have a look at the screen video at - +You may also want to have a look at the +(screen video)[http://www.ecademix.com/JohannesHofmann/gipfel.avi] for an example session. Data File @@ -83,18 +83,25 @@ Each line must contain the following values separated by a comma: The following line is a valid example: SMTSBG,Simetsberg,,47.56617,11.25358,1836 -Fortunately, there is a great website , +Fortunately, there is a [great website](http://www.alpin-koordinaten.de), where you can download a suitable file containg quite a lot of data mostly concerning the alps: Click on the "Suchen" button and the click on the diskette symbol below the first table then select "Fugawi 3 TXT" format and click on "Download". Obviously you can easily add your own entries to the data file or add them -to the database at . +to the database at http://www.alpin-koordinaten.de. -Thanks to the kind permission of the creators of -, the standard gipfel tarball includes -a default datafile generated by . +Thanks to the kind permission of +[Jonathan de Ferranti](http://www.viewfinderpanoramas.org/) and the +creators of http://www.alpin-koordinaten.de, the standard gipfel +tarball includes a default datafile generated from these two sources. + +For the USA, you can download a data file +from [USGS](http://geonames.usgs.gov/domestic/download_data.htm) +The file can be transformed for gipfel with + awk 'BEGIN {FS="|"; OFS=","}; + $3 == "Summit" {print "usgs_" $1, $2,"" , $10, $11, $16};' GPS Tracks ---------- @@ -130,8 +137,8 @@ are displayed in blue. Refraction ---------- Refraction caused by temperature and density gardients in the atmosphere is -taken into account according to the approximation described by Tom Chester in: - +taken into account according to the approximation described by +[Tom Chester](http://tchester.org/sgm/analysis/peaks/refraction_calculation.html). under the assumption of a temperature change of 6.5°C per 1000m and a temperature T0 at view point level of 10°C. @@ -213,10 +220,10 @@ Troubleshooting Acknowledgements ---------------- -Thanks to the guys from for their public +Thanks to the guys from http://www.alpin-koordinaten.de for their public GPS database. -Also have look at their other site . -In newer versions I use maxima for +Also have look at their other [site](http://www.alpen-panoramen.de). +In newer versions I use [maxima](http://maxima.sourceforge.net/) for symbolic computation and code generation. I also want to thank my brother Martin for his suggestions and the discussions. -- cgit v1.2.3