Thanks Michael,
I also was also able to find Thadeus Vincenty method and to test it with
this java lib
http://www.gavaghan.org/blog/free-source-code/geodesy-library-vincentys-formula-java/which
seems not to have a copyright (I will write to the author). I gave a
look at the source: it is an interesting lesson of Math.
Anyhow geotools seems more interesting. Next version will not have depency
and (I hope) would be more accurate.
Version 0.7.1 will be online tomorrow with French translation. I also added
a warning message for the geographic coordinates tool. This must be the
French google translation:
"Calcule la distance dans le système de référence de coordonnées EPSG 4326.
Cet outil est encore en cours de développement. Peut ne pas être précise
dans la mesure\n et donne une erreur entre 5% et 0,5% de la distance
réelle."
thanks again
Peppe
2013/2/4 Michaël Michaud <michael.mich...@free.fr>
> Hi,
>
> If you don't mind, I will aso set French translation as "Distance entre
> deux points en coordonnées géographiques (TEST)", to point out that this
> tool is still under development and measures are not accurate.
>
> OK, I just anticipated, you can add (TEST).
>
> If you don't want to add a dependency, you may just want to include
> one method from geotools (LGPL) : Vincenty method, modified by Rainsford,
> programmed in fortran by Pfeifer and finally ported to java by M.
> Desruisseaux
>
> http://svn.osgeo.org/geotools/trunk/modules/library/referencing/src/main/java/org/geotools/referencing/datum/DefaultEllipsoid.java
> see method :
> public double orthodromicDistance(double x1, double y1, double x2, double
> y2)
>
> Michaël
>
>
>
> Peppe
>
> 2013/2/4 Michaël Michaud <michael.mich...@free.fr>
>
>> Hi,
>>
>> There is also typos in the following key name :
>>
>>
>> MessureApproxDistanceInMeters.Measure-approximate-distance-in-meters-between-two-points-in-geographic-coordinate
>>
>> Messure... -> Measure... (this typo is both in the code and in the
>> properties file)
>> ...geographic-coordinate -> ...geographic-coordinates (this one is just
>> in properties)
>>
>> French translation (that I forgot to do) is :
>> Distance entre deux points (coordonnées géographiques)
>>
>> Thanks,
>>
>> Michaël
>>
>> Thanks Peppe,
>>
>> Nice tool and nice icon set.
>> Here is a file for french localization
>> (PS : there is a few typo in english file : lenght -> length)
>>
>> Michaël
>>
>>
>>
>> Hi Openjumpers,
>> I made a upgrade of MeasureTools plugin available here:
>> https://sourceforge.net/projects/opensit/files/Openjump/PlugIn/MeasureExtension/
>> Measure Tools for OpenJUMP is a collection of Java classes that provide
>> functions to make some geographic measurements on a map using OpenJUMP
>>
>> Last version measuretools-0.7 (31 gen 2013)
>>
>> LIST OF MEASURE TOOLS (version 0.7)
>>
>> - Measure lenght of a segment
>> - Measure lenght of a linestring
>> - Measure area of a polygon
>> - Measure area of a rectangle
>> - Measure area of a circle by radius
>> - Measure area of a circle by 3 points
>> - Measure angle between two segments (23 points click)
>> - Measure angles of a triangle (ver. 0.7)
>> - measure angle by goniometer
>> - Measure azimuth of a segment
>> - Measure azimuth of an angle bisector
>> - Measure lenght of a segment in Geographic Coordinate System (ver. 0.7 -
>> see note below)
>> - Measaure Easting/Northing coordinates
>>
>> Measures are not temporary but saved on related files (Measure-distance,
>> Measure-area, Measure-angle and Measure-azimuth).
>> In this way they can be used for further geographic anaysis. for
>> instance:
>> - to collect azimuths of geological layers from a geological map in order
>> to rebuild structures like fold axes orientation and distribution on an
>> area.
>> - to annote axes orientation of drainage to investigate possible
>> geological or morphological structures.
>> -to annote areas of parcels or buildings from aerial photos for
>> cadastral usage.
>>
>> Currently Measure tools use meters (for lenghts and areas) and degrees
>> (for angles and azimuths) for displaying measurements
>>
>> To use measure tools, decompress measuretool-0.7.zip file and copy
>> measuretools-07.jar and jcoord-1.1-b.jar files to OpenJUMP/LIB/EXT folder
>>
>> NOTE
>> "Measure distance between 2 points in geographic coordinates too" resets
>> on jcoord java library for coordinates conversions (
>> http://www.jstott.me.uk/jcoord/).
>> This tool currently is still under test as it shows an error of measure
>> between 0.5% to 5% . It is not recommended to use it for accurate
>> measurements.
>> jcoord java library is realized under GNU licence ver 2.
>>
>> See read.txt file for further informations
>>
>> Giuseppe Aruta
>>
>>
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