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PureBytes Links
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Al,
No. In the formula
the numbers have to be typed like in any programming language
without thousand separators.
Best regards,Tomasz
Janeczkoamibroker.com
<BLOCKQUOTE
>
----- Original Message -----
<DIV
>From:
Al Venosa
To: <A title=amibroker@xxxxxxxxxxxxxxx
href="">amibroker@xxxxxxxxxxxxxxx
Sent: Thursday, February 20, 2003 8:46
PM
Subject: Re: [amibroker] AmiBroker 4.29.5
BETA released
Thanks so much, TJ, for the thousands separator for large numbers.
This will be a big help. Question: when inputting a large number in the AA
window, can you use the thousands separator in formulas? Like
in: PositionSize = 100,000;
Al Venosa<A
href="">avcinci@xxxxxxxxxxx
>From: "Tomasz Janeczko"
>Reply-To: <A
href="">amibroker@xxxxxxxxxxxxxxx
>To:
>Subject: [amibroker] AmiBroker 4.29.5 BETA released
>Date: Thu, 20 Feb 2003 20:07:47 +0100
>
>Hello,
>
>A new beta version of AmiBroker - 4.29.5 is available
>for download from the following locations:
>
>http://www.amibroker.com/bin/ab4295beta.exe
>http://www.amibroker.net/bin/ab4295beta.exe
>ftp://ftp.amibroker.com/pub/ab4295beta.exe
>ftp://ftp.amibroker.net/pub/ab4295beta.exe
>
>(450 KB self-extracting archive)
>
>Please read the README file below for the list of changes.
>
>Best regards,
>Tomasz Janeczko
>amibroker.com
>
>AmiBroker 4.29.5 Beta Read Me
>February 20, 2003 18:06
>
>THIS IS A BETA VERSION OF THE SOFTWARE. EXPECT BUGS.
>
>Backup your data files and entire AmiBroker folder first!
>
>INSTALLATION INSTRUCTIONS
>
>IMPORTANT: This archive is update-only. You have to install
full version 4.20 first.
>
>Just run the installer and follow the instructions.
>
>Then run AmiBroker. You should see "AmiBroker 4.29.5 beta"
written in the About box.
>
>CHANGES FOR VERSION 4.29.5 (as compared to 4.29.1)
>
> a.. fixed crash in AFL editor that occured when selecting all
text and choosing right mouse button -> copy
> b.. auto-scaling changed slightly
> c.. user-definable thousand separator (in
Tools->Preferences->Misc) applied automatically to all list views and
indicators and WriteVal function
> d.. definable number of decimal places in RT quote window
(Tools->Prefs->Misc)
> e.. watch-list related functions: (available from context menu
in tree and Symbol->Watch list menu)
> f.. quick type-in symbols into watch list
> g.. import/export watch list from/to .LST file and from/to
plugin (ext. database only for plugins that support this feature. The first
one will be FT plugin)
> h.. context menu is displayed over selected watch list (click
with right mouse button on the watch list name in the Workspace window)
> i.. 'dirty' flag is set properly after moving/sizing the study
> j.. Amibroker again displays message box asking to save
changes. (this is useful to undo some unwanted changes but it works only for
most recent 'in-memory' symbols (see Tools->Preferernces->Data))
> k.. fixed the case when Preferences has log scale switched OFF
but Indicator Builder has "log scale" turned ON for Price chart.
>CHANGES FOR VERSION 4.29.1 (as compared to 4.29.0)
>
> a.. data tooltips now show study ID and coordinates and
point/percent change from start to end when you hover the mouse pointer over
the trend line or other study
> b.. from-to range selector implemented just double click on
chart to mark begin and then double click in other place to mark end of the
range. > and < markers will appear above date axis. To delete the
markers double click again in the same place where vertical line is
positioned.
> c.. From-to selected range can be referred from the AFL level
via new functions
> BeginValue( ARRAY )
> EndValue( ARRAY )
> - these functions give the single value (number) of the ARRAY
at the beginning and end of the selected range. If no range is marked then
they return the value at the first bar and last bar respectively.
>
> Example:
>
> WriteVal( BeginValue( DateTime() ), formatDateTime );
> WriteVal( EndValue( DateTime() ), formatDateTime );
> "Precentage change of close is " +
> WriteVal( 100 * (EndValue( Close ) - BeginValue( Close
))/BeginValue( Close ) ) + "%";
>
>
> d.. WriteVal function now handles formatDateTime
> WriteVal( DateTime(), formatDateTime );
>
>
> e.. Zoom to range implemented (View->Zoom->Range) or
hold down both SHIFT and CTRL and click on green zoom in toolbar button (zooms
to selected from-to range)
>
>CHANGES FOR VERSION 4.29.0 (as compared to 4.28.1)
>
> a.. context help in AFL editor - just press F1 when cursor is
over AFL reserved function name and it will display full information about
that function
> b.. param info/fun reference available also from context menu
> c.. fixed bug in Study function working improperly for
trendlines with right extend property
> d.. tab order fixed in Study properties box
> e.. usability: "Filter pre/after hours" is available now from
View->Intraday menu
> f.. new AFL function:
> Now( format = 0 ) returns current date / time in numerous of
formats:
> format = 0 - returns string containing current date/time
formatted according to system settings
> format = 1 - returns string containing current date only
formatted according to system settings
> format = 2 - returns string containing current time only
formatted according to system settings
> format = 3 - returns DATENUM number with current date
> format = 4 - returns TIMENUM number with current time
> format = 5 - returns DATETIME number with current date/time
> See: http://www.amibroker.com/guide/afl/afl_view.php?name=NOW
> g.. new drawing tool: Triangle
> h.. new drawing tool: Andrews' Pitchfork
> i.. Gann Square tool does not draw controlling trenline during
move/resize
> j.. added check that prevents freeing memory by Equity(1)
function when this memory is referenced by other variables
> k.. added Layer combo to the Text properties box
> l.. added link to AFL on-line reference to the
Help->AmiBroker on the Web menu.
> m.. switching layers does not cause unnecessary symbol tree
refresh
> n.. added switch to AA Settings->Report tab that allows to
turn off optimization warning (that is displayed if optimization requires more
than 300 steps)
> o.. other minor fixes.
>
>CHANGES FOR VERSION 4.28.1 (as compared to 4.28.0)
>
> a.. fixed problem with missing some short trades when new flag
"Reverse entry signal forces exit" was turned off
> b.. Null is now highlighted and present in the auto-complete
box.
> c.. fixed numeric sorting of colorized columns
>CHANGES FOR VERSION 4.28.0 (as compared to 4.27.1)
>
> a.. ApplyStop has one more parameter
> ApplyStop( Type, Mode, Amount, ExitAtStop, Volatile = False )
>
> new Volatile parameters decides if amount (or distance) (3rd
parameter) is sampled at the trade entry and remains fixed during the trade
(Volatile = FALSE - old behaviour) or if can vary during the trade (Volatile =
TRUE)
>
> Allows single-line implementation of Chandeliers exit:
>
> ApplyStop(stopTypeTrailing, stopModePoint, 3*ATR(14), True,
True );
>
>
> b.. ApplyStop handles new N-Bar stop - exits the trade after N
bars.
> Type = stopTypeNBar; /* = 3 */
> Mode = stopModeBars; /* = 1 */
>
> ApplyStop( stopTypeNBar, stopModeBars, 5 ); // exits trades on
5th bar since entry
>
>
> c.. added new "Reverse entry signal forces exit" check box to
the Backtester settings.
> When it is ON (the default setting) - backtester works as in
previous versions and closes already open positon if new entry signal in
reverse direction is encountered. If this switch is OFF - even if reverse
signal occurs backtester maintains currently open trade and does not close
positon until regular exit (sell or cover) signal is generated.
> In other words when this switch is OFF backtester ignores
Short signals during long trades and ignores Buy signals during short trades.
>
>
> d.. added "Allow same bar exit (single bar trade)" option to
the Settings
> When it is ON (the default settings) - entry and exit at the
very same bar is allowed (as in previous versions)
> if it is OFF - exit can happen starting from next bar only
(this applies to regular signals,there is a separate setting for
ApplyStop-generated exits). Switching it to OFF allows to reproduce the
behaviour of MS backtester that is not able to handle same day exits.
>
>
> e.. long trades now take precedence over short trades so if
signals happen on the same bar in both directions only long trade is taken.
>
>
> f.. new AFL functions:
> DateTime() - returns array of encoded date/time values
suitable for using with
> AddColumn and formatDateTime constant
> to produce date time formated according to your system
settings
>
> AddColumn( DateTime(), "Date / Time", formatDateTime );
>
> new formatChar constant allows outputting single ASCII
character codes:
>
> Example (produces signal file accepted by various other
programs):
>
> Buy=Cross(MACD(),Signal());
> Sell=Cross(Signal(), MACD());
> Filter=Buy OR Sell;
> SetOption("NoDefaultColumns", True );
> AddColumn( DateTime(), "Date", formatDateTime );
> AddColumn( IIf( Buy, 66, 83 ), "Signal", formatChar );
>
>
> g.. new AFL functions continued:
> BarIndex() - returns zero-based bar number -
> the same as Cum(1)-1 but it is much faster than Cum(1) when
used in Indicators
>
> SetOption( "name", value )
> - sets various options in automatic analysis settings
currently available options are
> "NoDefaultColumns" - if set to True - exploration does not
have default Ticker and Date/Time columns
> "InitialEquity"
> "AllowSameBarExit"
> "ActivateStopsImmediately"
> "AllowPositionShrinking"
> "FuturesMode"
> "InterestRate"
>
>
> h.. if you overwrite AA settings via SetTradeDelays/SetOption
> backtest report gives these actual values instead of originaly
set in the settings
>
>
> i.. new Null constant is equal to -1e10 (empty value) so you
can use it instead enigmatic -1e10
>
> obsolete styleLog removed (logarithmic scale setting is not
per-line but per-pane and it is selectable from Indicator Builder)
>
>
> j.. added PlotGrid( level, color = colorDefault ) function
that plots grid line using built-in dotted style.
>
>
> k.. fixed problem with QuoteEditor that was introduced with
adding color support to the list view
> l.. added support for Win XP common controls 6, which results
in enhanced XP-look (on WinXP only of course)
> m.. fixed zero-size problem with floating control bars on
Windows XP
> n.. fixed some compatibility issues with common controls 6.
> o.. added sound when plugin status changes
> p.. fixed problems with Review window sometimes not showing
the results
> q.. value label drawing changed slightly
> r.. status bar adjusted so plugin state is visible on smaller
displays
> s.. improved windows version checking for bug reports
>
>CHANGES FOR VERSION 4.27.1 (as compared to 4.27.0)
>
> a.. fixed problems with auto-complete and param info features
appearing on certain Windows versions
>CHANGES FOR VERSION 4.27.0 (as compared to 4.26.0)
>
> Intellisense-like functionality in AFL editor
>
> a.. auto-completion feature in AFL editor type a few letters
and press Ctrl+SPACE and the number of matching functions / reserved words
will be displayed
> b.. parameters-info tip, type function name and opening brace
( and you will see the tip that shows information about required parameters
> c.. two new checkboxes Preferences->Editor control
Auto-completion / parameter-info features
> d.. fixed exception occuring when optimizing systems that
generate zero trades (very rare case)
> e.. AlertIF called from the custom indicators sometimes
displayed wrong date/time - now it is fixed
> f.. when fixup = 1 Foreign() is able to align array past the
last foreign bar. For example when using intraday data you can refer to
imported EOD data and it will fill intraday data with last value from previous
day.
>
>CHANGES FOR VERSION 4.26.0 (as compared to 4.25.0)
>
> a.. List view sorting speed increased significantly:
> a.. sorting of text columns is 2 times faster (on average)
> b.. sorting of numeric column is 5-10 times faster ( sort
660'000 items within 2-3 seconds on 1GHz machine)
> b.. Explorations now support definable color of cell text and
background
> AddColumn and AddTextColumn functions extended to support this
feature:
>
> AddColumn( Array, "Title", format = 1.2, textColor =
colorDefault, bkgndColor = colorDefault );
> AddTextColumn( "Text", "Title", format = 1.2, textColor =
colorDefault, bkgndColor = colorDefault );
>
> New colorDefault constant (-1) defines default windows color
for grid cell.
> Sample code:
> Filter =1;
>
> AddColumn( Close, "Close", 1.2 );
> AddColumn( MACD(), "MACD", 1.4 , IIf( MACD() > 0,
colorGreen, colorRed ) );
> AddTextColumn( FullName(), "Full name", 77 , colorDefault,
IIf( Close < 10, colorLightBlue, colorDefault ) );
>
> c.. custom indicators - anchors are not offset vertically from
the ends of the trend line when Draw dates is selected
>
> d.. custom indicators with auto-scaling can be now dragged in
Y-direction like regular charts
>
> e.. Foreign and RelStrength algorithm improved to allow more
complex alignment cases
>
> f.. PlotShapes works even without any Plot statement (although
it is intended to use in conjunction with Plot)
> g.. fixed line disappearing bug that occured when using text
tool right after trend line tool
> h.. Dec is displayed again on date axis
>
>CHANGES FOR VERSION 4.25.0 (as compared to 4.24.0)
>
> a.. support user-definable parameters:
> new AFL functions
> Param( "name", default, min, max, step )
> ParamStr( "name", "default" );
> ParamColor( "name", defaultcolor );
>
> new Parameters dialog : right click over chart pane and select
"Parameters" or press Ctrl+R
> allows to change chart parameters - changes are reflected
immediatelly
> Sample code 1:
>
> ticker = ParamStr( "Ticker", "MSFT" );
> sp = Param( "MA Period", 12, 2, 100 );
> PlotForeign( ticker, "Chart of "+ticker, ParamColor( "Price
Color", colorLightYellow ), styleCandle );
> Plot( MA( Foreign( ticker, "C" ), sp ), "MA(" + WriteVal( sp,
1.0 ) + ")", ParamColor( "MA Color", colorRed ) );
>
>
> Sample code 2:
>
> sp = Param( "RSI Period", 12, 2, 100 );
> r = RSI( sp );
> Plot( r, "RSI("+WriteVal(sp,1.0)+")", ParamColor("RSI Color",
colorRed ) );
>
> Buy = Cross( r, 30 );
> Sell = Cross( 70, r );
>
> PlotShapes( shapeUpArrow * Buy + shapeDownArrow * Sell, IIf(
Buy, colorGreen, colorRed ) );
>
> b.. added missing ':' and '"' characters to the forbidden
characters set in file names generated from ticker names. All file-system
reserved characters are converted to underscore.
>
> c.. ticker symbol maximum length increased to 25 characters
(from previous 15).
> (these two fixes above solve problem with using very long
symbols like
> d.. default keyboard accelerators changed Ctrl+R is now for
Parameters dialog F5 is for Refresh
> e.. fixed calculation bug occuring when drawing objects in the
blank chart area ("jumping" effect)
> f.. new method in Quotations collection for faster retrieval
of quotes
> long Retrieve( long Count, Variant *Date, Variant *Open,
Variant *High, Variant *Low, Variant *Close, Variant *Volume, Variant *OpenInt
);
> g.. on Windows Me, 2000 and XP all file dialogs now feature
"Places" bar and allows to select few recent file names from the combo
> h.. date axis display modified slightly (3 letter month
abbrev. used more often
> i.. changed resizing algorithm so if "no min size for resizing
dialog" option is selected the scroll bar of list / edit is always visible.
Also the option is active from the start without need to go to Preferences.
> j.. other minor improvements
>
>CHANGES FOR VERSION 4.24.0 (as compared to 4.23.0)
>
> a.. saving/loading Automatic Analysis settings to/from the
file
> b.. Axis font now can be made bold/italic/underline
> c.. Text drawing tool uses axis font now
> d.. full control over AA window via new OLE/COM interface:
> Analysis object (accessible via Broker.Application.Analysis)
>
> Methods:
> - Backtest(); - runs backtest
> - Explore(); - runs exploration
> - Scan(); - runs scan
> - Optimize(); - runs optimization
> - bool Report( FileName: String ) - saves report to the file
or displays it if FileName = ""
> - bool Export( FileName: String ) - exports result list to CSV
file
> - bool LoadFormula( FileName: String ) - loads AFL formula
> - bool SaveFormula( FileName: String ) - saves AFL formula
> - bool LoadSettings( FileName: String ) - loads backtest
settings
> - bool SaveSettings( FileName: String ) - saves backtest
settings
> - ClearFilters() - removes all filters
>
> Properties:
> - long ApplyTo - defines apply to mode: 0 - all stocks, 1 -
current stock, 2 - use filter
> - long RangeMode - defines range mode: 0 - all quotes, 1 - n
last quotes, 2 - n last days, 3 - from-to date
> - long RangeN - defines N (number of bars/days to backtest)
> - DATE RangeFromDate - defines "From" date
> - DATE RangeToDate - defines "To" date
> - Filter( nType: short, Category : String ) - sets/retrieves
filter setting
> nType argument defines type of filter 0 - include, 1 - exclude
> Category argument defines filter category:
> "index", "favorite", "market", "group", "sector", "index",
"watchlist"
>
> Examples
>
> ClearFilters(); // clear all filters first
> Filter( 0, "index" ) = 1; // include only indices
> Filter( 1, "market" ) = 2; // exclude 2nd market
>
> Full Example for Windows Scripting Host:
> ========================================
> /* create AB object */
> AB = new ActiveXObject("Broker.Application");
>
> /* retrieve automatic analysis object */
> AA = AB.Analysis;
>
> /* load formula from external file */
> AA.LoadFormula("afl\\macd_c.afl");
>
> /* optional: load settings */
> // AA.LoadSettings("the_path_to_the_settings_file.abs");
>
> /* setup filters */
> /* backtest over symbols present in market 0 only (zero-based
number) */
> AA.ClearFilters();
> AA.Filter( 0, "market" ) = 0;
>
> /* set apply to and range */
> AA.ApplyTo = 2; // use filters
> AA.RangeMode = 0; // use all available quotes
>
> /* run backtest and display report */
> AA.Backtest();
> AA.Report(""); // empty file name means display report
>
>
>
>CHANGES FOR VERSION 4.23.0 (as compared to 4.22.1)
>
> a.. chart axis font can be defined by the user. The default is
now Arial, 9pt.
> (Tools->Preferences->Miscellaneous: "Axis font")
> b.. Undo feature added to AFL editor.
> c.. PlotShapes now supports offset (or distance) parameter (by
default -12 ), Offset is expressed in SCREEN pixels.
> Negative offsets shift symbols down, positive offsets shift
symbol up. To place the shape exactly at ypostion, specify 0 as offset.
> PlotShapes( shape, color, layer = 0, yposition = graph0,
offset = -12 );
> d.. yet another bug fixed that caused problems with drawing
lines when multiple windows were showing same symbol but different intervals.
> e.. if Y-value is less than 1000 the status bar displays four
decimal places , also bar number is displayed in the status bar (next to
date/time)
> f.. Insert Indicator window (Ctrl+I) does not show empty
indicator slots anymore.
>
>CHANGES FOR VERSION 4.22.1 (as compared to 4.22.0)
>
> a.. fixed overwrite problem occuring when deleting first
indicator in the list in Indicator Builder
> b.. fixed shortcut conflict &File and &Format. Now
Format menu has Alt+o shortcut
> c.. other minor fixes
> d.. added constants for shapes
> "shapeNone", 0
> "shapeUpArrow", 1
> "shapeDownArrow", 2
> "shapeHollowUpArrow", 3
> "shapeHollowDownArrow", 4
> "shapeSmallUpTriangle", 5
> "shapeSmallDownTriangle", 6
> "shapeHollowSmallUpTriangle", 7
> "shapeHollowSmallDownTriangle", 8
> "shapeUpTriangle", 9
> "shapeDownTriangle", 10
> "shapeHollowUpTriangle", 11
> "shapeHollowDownTriangle", 12
> "shapeSmallSquare", 13
> "shapeHollowSmallSquare", 15
> "shapeSquare", 17
> "shapeHollowSquare", 19
> "shapeSmallCircle", 21
> "shapeHollowSmallCircle", 23
> "shapeCircle", 25
> "shapeHollowCircle", 27
> "shapeStar", 29
> "shapeHollowStar", 31
> "shapeDigit0", 33
> "shapeDigit1", 35
> "shapeDigit2", 37
> "shapeDigit3", 39
> "shapeDigit4", 41
> "shapeDigit5", 43
> "shapeDigit6", 45
> "shapeDigit7", 47
> "shapeDigit8", 49
> "shapeDigit9", 51
> "shapePositionAbove", 1
>
> Example:
> PlotShapes( IIF( buy, shapeDigit9 + shapePositonAbove,
shapeNone ), colorGreen );
>
>CHANGES FOR VERSION 4.22.0 (as compared to 4.21.1)
>
> a.. changes made in Indicator Builder are not lost if formula
is incorrect - instead error message is displayed and formula is saved even if
it has a syntax error
> b.. if currently displayed indicator formula has an error -
the error message does not pop up in a separate window but is displayed in the
indicator pane.
> c.. empty indicators are not displayed in the Indicator
Builder and new buttons "Add", "Delete" are provided to add new indicator and
remove existing
> d.. when drawing or moving drawing objects the auto-refresh of
the chart is temporarily held to solve problems with drawing on RT charts.
> e.. Symbol->Information window is not reset every 3 sec
when working with RT data.
> f.. interval between chart updates is now configurable
(Preferences->Intraday)
> g.. Random( seed = none ); function takes new parameter seed.
> If seed is defined it initializes the seed of random number
generator this allows to produce repetitive series of pseudo-random series. If
seed is not specified - random number generator continues generation.
> To reinitialize the generator, use 1 as the seed argument. Any
other value for seed sets the generator to a random starting point.
>
> Example 1:
> Graph0 = Random(); // generates different sequence with each
refresh
>
> Example 2:
> Graph0 = Random(1); // generates the same sequence with each
refresh
>
>
> h.. new AFL function
> PlotShapes( shape, color, layer = 0, yposition = graph0 );
> that allows to plot arrows and other shapes on any chart.
> Parameters:
> a.. shape defines type of the symbol. when shape is zero
nothing is plotted
> values other than zero cause plotting various pre-defined
shapes.
> Odd values plot shape BELOW indicator, even values plot shape
ABOVE indicator.
> b.. color defines color of shape
> c.. layer defines layer number on which shapes are plotted
> d.. yposition defines Y-position where shapes are plotted (by
default they are plotted 'around' graph0 (first indicator) line)
>
> Currently defined shapes are
> UP ARROW = 1, (below indicator)
> DOWN ARROW = 2, (above indicator)
> HOLLOW UP ARROW = 3, (below)
> HOLLOW DOWN ARROW = 4, (above)
> SMALL UP TRIANGLE = 5, (below)
> SMALL DOWN TRIANGLE = 6, (above)
> HOLLOW SMALL UP TRIANGLE = 7, (below)
> HOLLOW SMALL DOWN TRIANGLE = 8 , (above)
> UP TRIANGLE = 9, (below)
> DOWN TRIANGLE = 10, (above)
> HOLLOW UP TRIANGLE = 11, (below)
> HOLLOW DOWN TRIANGLE = 12, (above)
> SMALL SQUARE = 13, (below)
> SMALL SQUARE = 14, (above)
> HOLLOW SMALL SQUARE = 15, (below)
> HOLLOW SMALL SQUARE = 16,
> SQUARE = 17, (below)
> SQUARE = 18, (above)
> HOLLOW SQUARE = 19, (below)
> HOLLOW SQUARE = 20, (above)
> SMALL CIRCLE = 21, (below)
> SMALL CIRCLE = 22, (above)
> HOLLOW SMALL CIRCLE = 23, (below)
> HOLLOW SMALL CIRCLE = 24,(above)
> CIRCLE = 25, (below)
> CIRCLE = 26, (above)
> HOLLOW CIRCLE = 27, (below)
> HOLLOW CIRCLE = 28, (above)
> STAR = 29, (below)
> STAR = 30, (above)
> HOLLOW STAR = 31, (below)
> HOLLOW STAR = 32, (above)
> NUMBER 0 = 33, (below)
> NUMBER 0 = 34, (above)
> NUMBER 1 = 35, (below)
> NUMBER 1 = 36, (above)
> NUMBER 2 = 37, (below)
> NUMBER 2 = 38, (above)
> NUMBER 3 = 39, (below)
> NUMBER 3 = 40, (above)
> NUMBER 4 = 41, (below)
> NUMBER 4 = 42, (above)
> NUMBER 5 = 43, (below)
> NUMBER 5 = 44, (above)
> NUMBER 6 = 45, (below)
> NUMBER 6 = 46, (above)
> NUMBER 7 = 47, (below)
> NUMBER 7 = 48, (above)
> NUMBER 8 = 49, (below)
> NUMBER 8 = 50, (above)
> NUMBER 9 = 51, (below)
> NUMBER 9 = 52, (above)
>
>
> Demo formula:
>
> Graph0=MACD();
> Graph1=Signal();
> Buy=Cross(Graph0, Graph1);
> Sell=Cross(Graph1, Graph0);
> PlotShapes( ( Buy OR Sell ) * ( 1 + Cum( Buy OR Sell ) % 52 ),
IIf( Buy, colorGreen, colorRed ), 5 );
> GraphXSpace = 5;
>
>CHANGES FOR VERSION 4.21.1 (as compared to 4.21.0)
>
> a.. AddToComposite marks symbol as dirty so timestamp added in
the full name is stored properly.
> b.. "Align custom minute bars to regular market hours" works
OK now even if filtering is OFF
> c.. new methods added to COM interface in 4.21.0 caused
incompatibility with AmiQuote because of changed numbering of methods. Now it
is fixed so AmiQuote auto-import works again with 4.21.1
> d.. fixed display of watch list >32 in the workspace tree
> e.. fixed possible hangup when attempting to draw objects when
currently selected layer is hidden
>
>CHANGES FOR VERSION 4.21.0 (as compared to 4.20.8)
>
> a.. layers implemented (layers is a well-know concept in every
decent painting/drawing/CAD package now it is available to traders for (AFAIK)
the first time in technical analysis program)
> b.. increased number of watch lists (to 64 watch lists) and
sectors (to 64 sectors) (note that broker.workspace file once saved with new
version can not be read back with previous versions)
> c.. max. number of bars in File->Database Settings
increased to 500'000.
> d.. ASCII importer: added $STRICT 1 mode it checks if Open,
High, Low prices are greater than zero
> e.. COM/OLE interface:
> new property Broker.Application.DatabasePath
> new method: Broker.Application.LoadDatabase( Path )
> new method: Broker.Application.SaveDatabase()
> Example VBScript code (Windows Scripting Host):
>
> Set oAB = CreateObject("Broker.Application")
>
> WScript.Echo( "Current path to database is " +
oAB.DatabasePath )
>
> if oAB.LoadDatabase("c:\program files\amibroker\data") = True
then
> WScript.Echo( "succesfully loaded new database" )
> end if
>
> WScript.Echo( "Current path to database is " +
oAB.DatabasePath )
>
> oAB.SaveDatabase()
>
>
>CHANGES FOR VERSION 4.20.8 (as compared to 4.20.7)
>
> a.. fixed #include command (CR/LF pair handling)
> b.. #include now displays error message in the status bar
ifincluded file can not be found
> c.. when calling function defined in script AFL does not
convert the method name to lowercase
> d.. filtering after hours works also for EndTime <
StartTime case (usefull for users from Far East tracking US exchanges)
> e.. fixed bug causing crash on custom indicators using Study()
with QuickAFL enabled
> f.. protection against crash when the user tries to plot
negative values on semi-log scale
> g.. new AFL function: GetDatabaseName - gives the name of the
database - the last part (folder) of the database path
> h.. other minor fixes
> i.. new myTrack plugin
> j.. removed (c) text (4.20.8.3431)
>
>CHANGES FOR VERSION 4.20.7 (as compared to 4.20.6)
>
> a.. fixed crash occuring on exit on Windows XP (CRegistry
class - free() )
> b.. fixed problem with saving keyboard editor settings on
Win2k
> c.. fixed problem with different ordering of tickers when case
sensitivity is turned on (symbol array is re-sorted on change and re-sorted
after loading master file)
> d.. added one more safety check for non-existing directory
when saving layout
>CHANGES FOR VERSION 4.20.6 (as compared to 4.20.5)
>
> a.. possible bug with AFL editor fixed (streamin)
> b.. "space" problem in AFL editor fixed
> c.. fixed bug with switching databases
> d.. fixed crash occuring when user specified non-existing pen
> e.. fixed bug in monthly view display (29.02.2000)
> f.. fixed bug in File->Save database As (into blank
directory)
> g.. fixed title of built-in volume pane
> h.. ROC function accepts additional parameter that defines how
negative
> values are handled. ROC( array, periods = 12, absmode = False
)
> if absmode = False the value returned is array - ref( array,
-periods )/ref( array, -periods )
> if absmode = True the value returned is array - ref( array,
-periods )/abs( ref( array, -periods ) )
> i.. QuoteTracker plugin now accepts also . (dot) as a date
separator
> j.. myTrack plugin startup routine improved
>CHANGES FOR VERSION 4.20.5 (as compared to 4.20.3)
>
> a.. composite symbol is reset properly even if flused out of
in-memory cache
> b.. when $ALLOWNEG is NOT specified in the ASCII importer
definition AmiBroker performs the following range checking and fixup on open,
low and high prices
> if( open == 0 ) open = close;
> if( high < max( open, close ) ) high = max( open, close );
> if( low == 0 ) low = min( open, close )
> c.. Update Nov 1, 2002: added myTrack real-time plugin.
>HOW TO REPORT BUGS
>
>If you experience any problem with this beta version please
send detailed description of the problem (especially the steps needed to
reproduce it) to bugs@xxxxxxxxxxxxx
>
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