Sailonline manual

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Title	Sailonline manual	Sailonline manual
Date	2009-03-29 09:39:21	2010-03-18 13:02:54
Editor	Jeroen	Jeroen
Tags

	2009-03-29 09:39:21 by Jeroen			2010-03-18 13:02:54 by Jeroen
	25			25
	26	Please note that you can also use a delayed comman		26	Please note that you can also use a delayed comman
	>	d to be executed during the prestart phase - it ha		>	d to be executed during the prestart phase - it ha
	>	s the same effect.		>	s the same effect.
	27			27
	28	All boats start with a default preformance loss.		28	All boats start with a default preformance loss.
	29			29
n	30	The course, rounding buoys and the finish	n	30	The course, passing marks and the finish
	31	-----------------------------------------		31	-----------------------------------------
n	32	The course is defined by a starting point, a numbe	n	32	The course is defined by a starting point, a numbe
	>	r of rounding marks (buoys) and a finish line. Al		>	r of marks (floating buoys or land marks) to be p
	>	l boats start at the starting point. The sequence		>	assed and a finish line to cross . All boats start
	>	of the buoys are shown in the leaderboard which yo		>	at the starting point and are then to pass the bu
	>	u can reach e.g. using the link in your client. Th		>	oys in the correct order and finally to cross the
	>	en, simply sail around the buoys in the correct or		>	red finish-line as soon as possible. The next wayp
	>	der and cross the red finish-line as soon as possi		>	oint to pass is indicated by the text e.g. "pass n
	>	ble. Rounding of the buoys are registered automati		>	orth", "pass south" etc. Passing of the marks are
	>	cally by the server and immediately announced in t		>	registered automatically by the server and immedia
	>	he leaderboard. The rounding is registered when y		>	tely announced by changing the color of the previo
	>	our boat is "in-the-middle" of last leg and the co		>	us leg and signaling next mark to pass.
	>	ming next (a leg is the travel between two buoys).
	>	at the end just cross the finish line anywhere yo
	>	u like. When you do that your boat will be "glued"
	>	to the position where you crossed the line. Your
	>	finish time will also be announced in the leaderbo
	>	ard.
				33
				34	The passing of the mark is registered as your boat
				>	is "in-the-middle" of last leg and the coming nex
				>	t (a leg is the travel between two marks). Passing
				>	may be done in any direction. A registered pass i
				>	s never reclaimed which means that you may immedia
				>	tely turn back after a pass is registered if you l
				>	ike.
				35
				36	We now have the new waypoint server rules ready fo
				>	r release. These new rules enforces rounding of wa
				>	ypoints according to the arrows shown in the clien
				>	t. The new rules will be effective from approx. 21
				>	.00 UTC tonight (18th March 2010).
				37
				38	At the end just cross the finish line anywhere you
				>	like. When you do that your boat will be "glued"
				>	to the position where you crossed the line. Your f
				>	inish time will also be announced in the leaderboa
				>	rd.
	33			39
	34	Steering		40	Steering
	35	----------		41	----------
	36	The basic way of steering is to either set at cons		42	The basic way of steering is to either set at cons
	>	tant compass course (CC) which simply means that t		>	tant compass course (CC) which simply means that t
	>	he boat will go in a "straight line". The other st		>	he boat will go in a "straight line". The other st
	>	eering mode is to set up the boat to keep a consta		>	eering mode is to set up the boat to keep a consta
	>	nt angle to the wind, to keep the true-wind-angle		>	nt angle to the wind, to keep the true-wind-angle
	>	(TWA) constant. This means that if the wind change		>	(TWA) constant. This means that if the wind change
	>	s in direction, the boat will change its heading t		>	s in direction, the boat will change its heading t
	>	o maintain the wanted TWA. You can set any TWA in		>	o maintain the wanted TWA. You can set any TWA in
	>	the range from 0 to 180 degrees where TWA=0 means		>	the range from 0 to 180 degrees where TWA=0 means
	>	that the wind comes from straight ahead, TWA=180 m		>	that the wind comes from straight ahead, TWA=180 m
	>	eans that the wind comes from behind and TWA=90 me		>	eans that the wind comes from behind and TWA=90 me
	>	ans the wind in from starboard side. Negative TWA		>	ans the wind in from starboard side. Negative TWA
	>	means wind in from port side (port=left). You can		>	means wind in from port side (port=left). You can
	>	choose to steer directly or to delay the effects o		>	choose to steer directly or to delay the effects o
	>	f a command by the use of delayed commands. You si		>	f a command by the use of delayed commands. You si
	>	mply set up the steering as described above and th		>	mply set up the steering as described above and th
	>	en state how many hours the command should be dela		>	en state how many hours the command should be dela
	>	yed. Delayed commands is a neat feature that lets		>	yed. Delayed commands is a neat feature that lets
	>	you attend business meetings and wedding dinners w		>	you attend business meetings and wedding dinners w
	>	hile helming a 60-foot single handed catamaran in		>	hile helming a 60-foot single handed catamaran in
	>	a full gale!		>	a full gale!
	37			43
	38	The chart and the race bounds		44	The chart and the race bounds
	39	-------------------------------		45	-------------------------------
n	40	The shorelines are supplied by the US National Geo	n	46	The shorelines are supplied by the US National Geo
	>	physical Data Center (NGDC). Resolution may vary d		>	physical Data Center (NGDC). Resolution may vary d
	>	epedending on the race type. Important to notice i		>	epedending on the race type. Important to notice i
	>	s that what you see is what there is. Be aware of		>	s that what you see is what there is. Be aware of
	>	small islands but all water is deep and sailable.		>	small islands but all water is deep and sailable.
	>	Your boat can naturally only sail on water. If you		>	Your boat can naturally only sail on water. If you
	>	collide with land the boat will stop, be pulled o		>	collide with land the boat will stop, be pulled o
	>	ut from the coastline some distance and be somewha		>	ut from the coastline some distance and be somewha
	>	t damaged. The damage is expressed as a certain dr		>	t damaged. The damage is expressed as a certain dr
	>	op in boat speed (performance). This loss in perfo		>	op in boat speed (performance). This loss in perfo
	>	rmance is temporary and will vanish in a number of		>	rmance is temporary and will vanish in a number of
	>	hours. Since the boat has stopped you need to sen		>	hours. Since the boat has stopped you need to sen
	>	d a new command to set the boat on a new course. D		>	d a new command to set the boat on a new course.
	>	ue to the implementation on the server, a boat may
	>	actually cut a little land corner at special occa
	>	sions. It can happen to all boats but is nothing t
	>	o calculate on.
				47
				48	Cutting corners
				49	-------------
				50	Due to the implementation on the server, (that boa
				>	ts are moved in steps) a boat may actually cut a l
				>	ittle land corner that was smaller than the step.
				>	It can happen to all boats but is nothing to rely
				>	on. Since small islands in SOL are called Sneaky L
				>	ittle Islands (SLI) this phenomena is called SLI-j
				>	umping. SLI-jumping is allowed.
	41			51
	42	The boat performance		52	The boat performance
	43	----------------------------		53	----------------------------
	44	The boat performance is expressed in the so called		54	The boat performance is expressed in the so called
	>	polar curve, which is visible to you. The polar c		>	polar curve, which is visible to you. The polar c
	>	urve state the boat speed as a function of wind sp		>	urve state the boat speed as a function of wind sp
	>	eed and TWA. Take time and study the plot to learn		>	eed and TWA. Take time and study the plot to learn
	>	how to sail the boat efficiently. Different wind		>	how to sail the boat efficiently. Different wind
	>	speeds are shown with different colored curves. Fo		>	speeds are shown with different colored curves. Fo
	>	r a certain wind speed follow the corresponding co		>	r a certain wind speed follow the corresponding co
	>	lored curve for all various TWA:s around the boat.		>	lored curve for all various TWA:s around the boat.
	>	For a certain wind speed and TWA you can read the		>	For a certain wind speed and TWA you can read the
	>	corresponding boat speed as represented by the di		>	corresponding boat speed as represented by the di
	>	stance from the origin to the colored curve. The p		>	stance from the origin to the colored curve. The p
	>	lot does not differ negative from positive TWAs si		>	lot does not differ negative from positive TWAs si
	>	nce our boats are symmetric. Your boat generally p		>	nce our boats are symmetric. Your boat generally p
	>	erforms at the polar curve boat speed (=100% perfo		>	erforms at the polar curve boat speed (=100% perfo
	>	rmance in the polar window) but there are two ways		>	rmance in the polar window) but there are two ways
	>	of loosing performnce. If you hit land you loose		>	of loosing performnce. If you hit land you loose
	>	quite a lot of performance. After changing TWA you		>	quite a lot of performance. After changing TWA you
	>	also loose some percent of performance. Performan		>	also loose some percent of performance. Performan
	>	ce loss is always temporarely. Depending on condit		>	ce loss is always temporarely. Depending on condit
	>	ions you will regain 100% after a while.		>	ions you will regain 100% after a while.
	45			55
	47	------------		57	------------
	48	There are basically two kinds of races, fleet-race		58	There are basically two kinds of races, fleet-race
	>	s and timed-races.		>	s and timed-races.
	49			59
	50	Fleet race: In a fleet race you typically reg		60	Fleet race: In a fleet race you typically reg
	>	ister a boat during the registration phase in whic		>	ister a boat during the registration phase in whic
	>	h practice sailing is allowed. One hour before the		>	h practice sailing is allowed. One hour before the
	>	start all boats are suddenly automaticaly towed b		>	start all boats are suddenly automaticaly towed b
	>	ack to the starting point, stopped and moored ther		>	ack to the starting point, stopped and moored ther
	>	e during this last hour before the start which we		>	e during this last hour before the start which we
	>	call the prestart phase. During the prestart phase		>	call the prestart phase. During the prestart phase
	>	you can send commands and chats but the boat will		>	you can send commands and chats but the boat will
	>	not move. At the time of the race start all boats		>	not move. At the time of the race start all boats
	>	are let go simultaneously. The last command will		>	are let go simultaneously. The last command will
	>	be the one controlling the boat. First boat compl		>	be the one controlling the boat. First boat compl
	>	eting the course is the winner!		>	eting the course is the winner!
	51			61
n	52	Timed race: In a timed race you may (within li	n	62	Timed race: In a timed race you may (within li
	>	mits) start at any time you like. The time of your		>	mits) start at any time you like. The time of exec
	>	first command is your start time. A start using a		>	usion of your first command will be your start tim
	>	delayed command is possiblecomplete the course an		>	e. This means that a start using a delayed command
	>	d your total sailed time will be compared to other		>	is possible and the start time will be the time w
	>	s in the leaderboard. Once you have finished the c		>	hen your boat starts moving. Complete the course a
	>	ourse you may register a new boat and go for anoth		>	nd your total sailed time will be compared to othe
	>	er try.		>	rs in the leaderboard. Once you have finished the
				>	course you may register a new boat and go for anot
				>	her try.
	53			63
	54	Weather		64	Weather
	55	--------		65	--------
	56	State of the art high resolution forecasts by [We		66	State of the art high resolution forecasts by [We
	>	athertech](http://www.weathertech.se) is used as t		>	athertech](http://www.weathertech.se) is used as t
	>	he sailing environment. The resolution in both tim		>	he sailing environment. The resolution in both tim
	>	e and space varies depending on the race. The fore		>	e and space varies depending on the race. The fore
	>	casts are true in the sense that we are in the sim		>	casts are true in the sense that we are in the sim
	>	ulator sailing in authentic weather. All boats sai		>	ulator sailing in authentic weather. All boats sai
	>	l in the wind forecasts at the 10 meter level. Usu		>	l in the wind forecasts at the 10 meter level. Usu
	>	ally, the client give you access to seal level atm		>	ally, the client give you access to seal level atm
	>	ospheric pressures also. The forecasts are typical		>	ospheric pressures also. The forecasts are typical
	>	ly updated once or twice per 24 hour period. Updat		>	ly updated once or twice per 24 hour period. Updat
	>	es are fairly immediately and normally phased in d		>	es are fairly immediately and normally phased in d
	>	uring an hour or so. Note that in some races new f		>	uring an hour or so. Note that in some races new f
	>	orecasts show up in the middle of the night...		>	orecasts show up in the middle of the night...
	57			67
	59	------------------		69	------------------
	60	The boats actual sailing is done in the central se		70	The boats actual sailing is done in the central se
	>	rver at sailiport and NOT in the users computer. T		>	rver at sailiport and NOT in the users computer. T
	>	he client is only used for viewing and manipulatio		>	he client is only used for viewing and manipulatio
	>	n of your boat. Hence, you can disconnect and shut		>	n of your boat. Hence, you can disconnect and shut
	>	your computer down and your boat will still sail.		>	your computer down and your boat will still sail.
	>	The boats are moved forward (integrated) stepwise		>	The boats are moved forward (integrated) stepwise
	>	. The length in time between the steps varies dep		>	. The length in time between the steps varies dep
	>	endent on the server workload etc but is usually k		>	endent on the server workload etc but is usually k
	>	ept under 30 seconds.		>	ept under 30 seconds.
	61			71
	62	The chat		72	The chat
	63	---------		73	---------
n	64	The chat is there to be used! Go ahead and use it	n	74	The chat is there to be used! Choose your preferre
	>	along with your judgement.		>	d language and go ahead and use it along with your
				>	judgement.
	65			75
n	66	Disqualification	n	76	Last Minute Changes
	67	-----------------		77	-----------------
n	68	A boat can be disqualified and a user can be banne	n	78	For various reasons adjustments and changes in the
	>	d if improper use is detected or if too offensive		>	race setup, course route or other rules might be
	>	comments are made in the chat.		>	needed from time to time. Such adjustments are kep
				>	t at a minimum but Sailonline here states that the
				>	y might be necessary even during a race and should
				>	be regarded as "a part of the game".
				79
				80
				81	Race closure
				82	------------
				83	For several reasons Sailonline cannot keep races o
				>	pen for eternity. Races are closed (and all boats
				>	still on course will stop) when the administrators
				>	regard the race as "finished". This means that e.
				>	g. boats starting late cannot count on finishing t
				>	he race.
				84
				85	The Rules
				86	---------
				87	The idea is that most of the rules should be enfor
				>	ced automatically by the server. This means that e
				>	.g. when the server registers a passing of a waypo
				>	int that passing is ok. A boat can be disqualified
				>	and a user can be banned if improper use is detec
				>	ted or if too offensive comments are made in the c
				>	hat.
	69			88
	70	Dictionary		89	Dictionary
	71	----------		90	----------
	72	Port: Left side of the boat.		91	Port: Left side of the boat.
	73			92
	88	Distance: is in this nautical game measured in		107	Distance: is in this nautical game measured in
	>	nautical miles. One nautical mile equals 1852 m.		>	nautical miles. One nautical mile equals 1852 m.
	89			108
	90	BS: Boat Speed is measured in knots. One knot		109	BS: Boat Speed is measured in knots. One knot
	>	equals one nautical mile per hour.		>	equals one nautical mile per hour.
	91			110
	92	VMG: Velocity Made Good is the velocity compon		111	VMG: Velocity Made Good is the velocity compon
	>	ent parallel to the TWD. By convention, positive V		>	ent parallel to the TWD. By convention, positive V
	>	MG means that you are sailing towards the wind.		>	MG means that you are sailing towards the wind.
n			n	112
				113	VMC: Velocity Made good relative the Course is
				>	not really unambiguously defined but usually mean
				>	s the boat velocity component parallel to the loxo
				>	drome from boat to the next waypoint.
	93			114
	94	Time: Is throughout the game measured with ref		115	Time: Is throughout the game measured with ref
	>	erence to Universal Time Coordinated UTC.		>	erence to Universal Time Coordinated UTC.
	95			116
	96	Performance: The percentage of boat speed you		117	Performance: The percentage of boat speed you
	>	have in relation to the performance polar. You wil		>	have in relation to the performance polar. You wil
	>	l have 100% if you haven’t hit land or just made a		>	l have 100% if you haven’t hit land or just made a
	>	course change, your performance will go down for		>	course change, your performance will go down for
	>	some time if you have hit land.		>	some time if you have hit land.
	97			118
	147	-----		168	-----
	148			169
	149	A few related links that you may find usefull.		170	A few related links that you may find usefull.
	150			171
	151	mobile client (SYC members only) [here] (http://ww		172	mobile client (SYC members only) [here] (http://ww
	>	w.sailonline.org/m)		>	w.sailonline.org/m)
t	152		t
	153	unofficial rankings, by wiz [here] (http://www.ste
	>	num.se/sailonline/)

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