Description: Objects format .ows Version: 4.9.0 Updated: 10.03.09

Objects format .ows

The .ows format follows the common WindSim syntax, where particular keywords terminated with a colon in column 20 are interpreted.

Extract from .ows file:

WindSim version    : 480
object_point       :  type name       coord   x-pos    y-pos    z-pos  rotor  visualisation   visible   .pws/.wws/.tws   tws  sectors  bins
                      4    Turbine1   3       324000   7186000  80     60     turbine_80      1         dummy_750        0    0        0
                      5    Clim1      3       321000   7186191  50     0      climatology_50  1         demo             0    0        0
                      8    Trans1     3       327362   7186191  50     0      climatology_50  1         demo             0    0        0
 

type

Identification of the object type; Turbine=4, Climatology=5 and Transferred climatology=8.

name

Gives the name of the object.

coord

Identification of the co-ordinate system; local=1 and global=3.

x-pos

Gives the west-east position. For a Climatology object the x-pos will not be used, as it is read from the .tws or .wws file. For a Transferred climatology object the x-pos will give the position where the climatology is transferred to.

y-pos

Gives the south-north position. For a Climatology object the y-pos will not be used, as it is read from the .tws or .wws file. For a Transferred climatology object the y-pos will give the position where the climatology is transferred to.

z-pos

The interpretation of the z-position will depend on the object type. For a Turbine object it will be the hub height. For a Climatology object this field will be disregarded, as the measurement height is read from the .tws or .wws file. For a Transferred climatology object the z-pos will give the height above ground level where the climatology is transferred to.

rotor

Gives the rotor diameter for a turbine. For other objects this field will be disregarded.

visualisation

Gives the name of the visualisation file. We recommend following the standard syntax, as described in the description page under Properties visualisation file.

visible

Gives visible or invisible objects; visible=1 or invisible=0.

.pws/.wws/.tws

Gives input file with characteristics, for a Turbine object it will be a power curve file .pws, for a Climatology or a Transferred climatology object it will be climatology file .tws or .wws. If a .tws or .wws file is given it must be available in the climatology folder of the current project.

tws

Identification of time history (tws) or frequency distribution (wws) input; tws=1 reads .tws file, tws=0 reads .wws file.

sectors

If timehistory input then sectors gives the number of sectors used in the corresponding frequency distribution.

bins

If timehistory input then bins gives the number of bins used in the corresponding frequency distribution.