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Usage
flyinggorilla edited this page Jan 6, 2021
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| key | function |
|---|---|
| arrow-up/down | boat speed +/-1kn |
| arrow-left/right | boat heading -/+1° |
| one finger | rotate |
| two fingers | zoom, pan |
| left mouse button + move | rotate |
| right mouse button | pan |
| mid mouse button + move | zoom |
| scrolling wheel | zoom |
The simulator can be configured with URL query string parameters. You get those parameters automatically when clicking the share current view button, but you can also explicitly feed the simulator this way.
https://simulator.atterwind.info/?bh=135&bs=20&ws=15&wh=0.27&ch=2.6&cs=-2.1&cl=3.3&cry=46.0&crz=118.9&crx=-111.7&cth=-0.7&cts=-0.8&ctl=-0.3&csh=1
| parameter | default | unit | description |
|---|---|---|---|
| bh | 0 | ° | angle of boat heading vs. true wind, also called course over ground (COG) |
| bs | 5 | kn | boat speed over ground (SOG) |
| ws | 5 | kn | true wind speed (TWS) at 10m height over water |
| wh | 0.27 | Hellman number | wind condition defined by hellman number, 0.27 is the default for stable wind |
| ch | 10.0 | m | camera position height |
| cs | 8.0 | m | camera position aside |
| cl | 8.0 | m | camera position along |
| crx | -32.0 | ° | camera rotation X |
| cry | 40.3 | ° | camera rotation Y |
| crz | 22.0 | ° | camera rotation Z |
| cth | 5.0 | m | camera target height |
| cts | 0.0 | m | camera target aside |
| ctl | 0.0 | m | camera target along |
| csh | 0 | 0 or 1 | 1 to sync camera with boat heading rotation |
| vd | 0 | 0 or 1 | view details about trim and simulator calculations |
| vf | 0 | 0 or 1 | experimental: view forces |
| saa | 20 | ° | experimental: sail angle of attack vs apparent wind |
| sc | 1 | 0 or 1 | experimental: cunningham 1 soft .. 10 hard |
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