X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~yarrgweb/git?a=blobdiff_plain;f=yarrg%2Fweb%2Fdocs;h=8c48814f59faddfb74be9b4b1e6cec516b1f756c;hb=f04037c4c0e6680c6b54aa7b367d0a53c70f64f1;hp=6f754bff46e258472de8c5d413723ab7fa8eb117;hpb=4c6a28f4cbed2ed351697f63f30fb4827259f6a9;p=ypp-sc-tools.main.git diff --git a/yarrg/web/docs b/yarrg/web/docs index 6f754bf..8c48814 100755 --- a/yarrg/web/docs +++ b/yarrg/web/docs @@ -33,18 +33,7 @@ %doc> -
+ +If this page is all too complicated for you, you may prefer to read +the introduction instead. +
-(An exception to this is if you select the `Update' option from the -`Trades for route' lookup; the list of (de)selected stalls is too long +(An exception to this is if you select the "Update" option from the +"Trades for route" lookup; the list of (de)selected stalls is too long to fit in a URL.)
+
If you specify only one island or one archipelago, the site shows only arbitrage trades. If you want single-hop trades within an @@ -98,7 +92,7 @@ archipelago, you must enter the archipelago name twice.
After getting the results, you can untick various trades individually, -and select `Update' to get a new plan. The unticked trades will be +and select "Update" to get a new plan. The unticked trades will be excluded from the voyage plan (if any) and also from the totals.
-Formally, the capacity is a list of terms, all but the first preceded -by one of -, minus, +, -plus. Each term may specify a mass and/or a volume -(separated by a space), as a number followed (without an intervening -space) by a unit (t, kg, kl or -l). Alternatively each term except the first may specify a -percentage, which is applied as a percentage change to the answer from -all the preceding terms. The first term may be a ship name or -abbrevation instead. If the first term specifies only one of mass or -volume, all the subsequent terms may only adjust that same value. +More formally: +
+ capacity-string := [ first-term term* ] + term := ('+' | '-' | 'plus' | 'minus') (value+ | number'%') + value := mass | volume + | integer commodity-name-or-abbreviation + mass := number ('t' | 'kg') + volume := number ('kl' | 'l') + first-term := mass | volume | mass volume | volume mass + | ship-name-or-abbreviation ++ +If the first term specifies only one of mass or volume, all the +subsequent terms may only adjust that same value.
-As a guide: you may expect to lose between 0.1% and 1% per league. -0.1% would correspond, for example, to losing one fight to brigands -every ten 10-league voyages. +As a guide: you may expect to lose between 0.01% and 1% per league. +For example 0.1% would correspond to losing one fight to brigands (who +take 10% if they win) for every 100 leagues sailed.
You can enter the value in the box either as a percentage, or as a -fraction 1/divisor, eg 1/200 is the same as 0.5%; in each +fraction 1/divisor, eg 1/2000 is the same as 0.05%; in each case it is taken as the loss for each league of the voyage. +
+ +The trading plan does not take into account accumulated profits from +each leg of the journey when applying the available capital +constraint. For example, if you specify a journey from A to B to C +and a capital limit of 10000 PoE, the trading plan will not tell you +to buy 1000 peas at A for 10 PoE each, sail them to B and sell all of +them for 20 PoE each, and then buy 2000 beans at B for 10 PoE each and +sail them to C to sell for 20 PoE each even if such a trade would in +fact be possible. In practice this is unlikely to be a problem! + + <& footer &>