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Tomasz,
In the formula i have posted a few minutes ago there is also the
gauss2ord moving includet.
The crash appears also by me when i delete this lines.
Thomas
On Fri, 26 Jul 2002 18:39:32 +0200, Thomas Z. wrote:
>Hello Tomasz,
>
>Should this update fixe the crash or is it only for other bugs, etc.
>If it is for the crash, i receive the crash again.
>
>But now i can reproduce it again and again.
>It appears only on the attached formula when i zoom in and out or
>also when i have selected any other ticker with only 5 years history
>and go than to the ^dji for which i have history back to 1929.
>
>Thomas
>
>
>On Fri, 26 Jul 2002 15:34:58 +0200, Tomasz Janeczko wrote:
>>Hello,
>>
>>A new beta version of AmiBroker has just been released.
>>
>>You can download it from the following locations:
>>http://www.amibroker.com/bin/ab4072beta.exe
>>http://www.amibroker.net/bin/ab4072beta.exe
>>ftp://ftp.amibroker.com/pub/ab4072beta.exe
>>ftp://ftp.amibroker.net/pub/ab4072beta.exe
>>
>>(390KB self-extracting archive)
>>
>>Please read the following read-me document for the list of new
>>features and changes.
>>
>>Best regards,
>>Tomasz Janeczko
>>amibroker.com
>>
>>AmiBroker 4.07.2 Beta
>>
>>July 26, 2002 15:22
>>
>>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 4.00 first.
>>
>>Just run the installer and follow the instructions.
>>
>>Then run AmiBroker. You should see "AmiBroker 4.07 beta" written in
>>the About box.
>>
>>IMPORTANT NOTE for users who modifed built-in indicators or
>>interpretations: please backup broker.bcharts file BEFORE
installing
>>this update and restore this file in order to save your
>>modifications from being overwritten by the file that comes with
>>this package.
>>
>>COMMENTS and USAGE HINTS:
>>
>>
>>Charting engine improvements
>>
>>Now built-in charts are drawn using even more optimized routines
>>that results in significant speed up of chart drawing when you
>>display charts for symbols with more than 30000 quotes. Also
>>QuickAFL is enabled again (and hopefully bug-free) that gives
>>similar speed up for custom indicators. In addition to that
>>selection bar updates caption in all chart panes (displaying
current
>>values of all indicators). You can move selection-bar with <- and
-
>>>cursor arrows on keyboard as before but now when you reach left
>>>most or right most bar - the chart starts to scroll
automatically.
>>>Quote selection and caption display works different now:
>>
>>- if selection-bar is NOT visible then the last VISIBLE bar data
are
>>displayed (not the LAST available)
>>- if selection-bar visible then selected bar data are displayed
>>
>>
>>Drawing date/time axis works also better now.
>>
>>New constants and bitwise operators
>>
>>AmiBroker now includes many pre-defined constants that can make
your
>>AFL code easier to read. For example you can use the following
>>statements using constants instead of just numbers:
>>
>>Plot( MACD()-Signal(), "Histogram", colorRed, styleThick |
>>styleHistogram );
>>
>>ApplyStop( stopTypeTrailing, stopModePercent, 10, True );
>>
>>
>>Using for example colorRed constant will give red color always
>>(regardless of what palette settings are). Also note that now you
>>can combine chart styles with a bitwise-or operator |. Although
you
>>can also combine styles with just + (addition) it is better to use
>>| operator because when you combine the same style twice by
mistake
>>(styleHistogram | styleHistogram) it still works correctly showing
>>histogram chart ( 2 | 2 = 2 ). Using + in that case will give 2 +
2
>>= 4 and this is the code for thick style. Complete list of
constants
>>is included later in this document.
>>
>>In addition to bitwise-or operator | AmiBroker has now also
bitwise-
>>and operator: &. These operators work on binary representation of
>>numbers. Note that floating point number are converted (truncated)
>>to integers before applying bitwise operators. Each bit is and-ed
>>or or-ed accordingly. For example 9 is represented by 1001 binary
>>code and 5 is represented by 0101. Bitwise-or is 1101 (13 in
>>decimal) and bitwise-and is 0001 (1 in decimal). Here come a few
>>samples showing how it works:
>>
>>255 & 64 gives 64
>>255 | 64 gives 255
>>1 | 2 | 4 | 8 gives 15
>>15 | 7 gives 15
>>
>>
>>New P&F-like graph style
>>
>>AmiBroker now features new graph style - 8192 (stylePointAndFigure)
>>that enables to write formulas that "emulate" point and figure
>>charts. A sample code is included later in this document. Now just
>>a few comments. New style uses all open, high, low and close
>>arrays. (OHL indirectly). High array should be set to bar's
highest
>>point, Low array should be set to bar's lowest point. The Close-
>>Open distance defines box size. If Close > Open then X symbols are
>>drawn, otherwise O symbols are drawn. Both Close and Open arrays
>>should be inside H-L range but only the difference between Open
and
>>Close really matters for drawing P&F bars. Please note also that
>>for proper looking P&F charts the H-L distance should be divisible
>>by box size (C-O distance) without remainder.
>>
>>AFL new functions and improvements
>>
>>Status() function features new fields:
>>"rangefromdate", "rangetodate" - return current auto-analysis
From-
>>To range as DateNums
>>"rangefromtime", "rangetotime" - return current auto-analysis
From-
>>To range as DateNums
>>"barinrange" - returns 1 when current bar is within current auto-
>>analysis From-To range
>>"barvisible" - (custom indicators only) returns 1 when current bar
>>is visible in current view
>>note: this should be used only if you really have to, indicator
>>should be written without need to know how it is displayed
>>
>>
>>For example the system that buys today and sells tommorrow can now
>>be universally coded as follows:
>>
>>buy = Status("barinrange");
>>sell = Ref( buy, -1 );
>>
>>(previously one needed to modify such formula depending on range
>>settings)
>>
>>LastValue( array, forcelastbar = 0 ) function has one additional
>>(optional) parameter: forcelastbar - changes the behaviour of
>>LastValue when used in Commentary or Interpretation windows. By
>>default it uses selected value, but if you use LastValue( array,
>>True ) then it always use last bar instead of selected one. A new
>>function called SelectedValue( array ) gives selected bar value in
>>Commentary, Interpretation and custom Indicators.
>>
>>A new RMI( periods = 20, momentum = 5 ) function implements
Altman's
>>Relative Momentum Index (S&C Feb 1993)
>>
>>A new Interval() function returns bar interval in seconds
>>tick bars = 0
>>5 sec bars = 5
>>1 min bars = 60
>>hourly bars = 3600
>>daily bars = 86400
>>weekly bars = 430000 (43e4)
>>monthly bars = 2160000 (216e4)
>>
>>
>>
>>Alerts enhanced
>>
>>Now "E-mail" page in Tools->Preferences has been renamed to
"Alerts"
>>and allows to define e-mail account settings, test sound output
and
>>define which parts of AmiBroker can generate alerts via AlertIF
>>function.
>>
>>E-mail setting page now allows to choose among most popular
>>authorization schemes like: AUTH LOGIN (most popular),
POP3-before-
>>SMPT (popular), CRAM-MD5, LOGIN PLAIN.
>>
>>"Enable alerts from" checkboxes allow you to selectively
>>enable/disable alerts generated by Automatic analysis,
>>Commentary/Interpretation and custom indicators.
>>
>>Alert output window now has an additional column that shows the
>>source of alert - if this is Automatic Analysis, Commentary or one
>>of your custom indicators. This makes it easier to find out which
>>part of AmiBroker generates alerts.
>>
>>
>>AlertIF function
>>
>>AlertIF function is similar to WriteIF. But instead of just writing
>>the text to the output window (commentary/interpretation) it
allows
>>to:
>>direct the customized text to "alert output" window,
>>make a sound (just by computer beeper or from .WAV file)
>>send an e-mail
>>launch any external application
>>
>>The syntax is as follows:
>>
>>AlertIf( BOOLEAN_EXPRESSION, command, text, type = 0, flags =
>>1+2+4+8, lookback = 1 );
>>
>>1. BOOLEAN_EXPRESSION is the expression that if evaluates to True
>>(non zero value) triggers the alert. If it evaluates to False
(zero
>>value) no alert is triggered. Please note that only lookback most
>>recent bars are considered.
>>
>>2. The command string defines the action taken when alert is
>>triggered. If it is empty the alert text is simply displayed in the
>>Alert output window (View->Alert Output). Other supported values
of
>>command string are:
>>
>>SOUND the-path-to-the-WAV-file
>>EMAIL
>>EXEC the-path-to-the-file-or-URL <optional args>
>>
>>SOUND command plays the WAV file once.
>>
>>EMAIL command sends the e-mail to the account defined in the
>>settings (Tools->Preferences->E-mail). The format of the e-mail is
>>as follows:
>>
>>Subject: Alert type_name (type) Ticker on Date/Time
>>Body: text
>>
>>EXEC command launches external application or file or URL specified
>>after EXEC command. <optional args> are attached after file name
>>and text is attached at the end
>>
>>3. Text defines the text that will be printed in the output window
>>or sent via e-mail or added as argument to the application
>>specified by EXEC command
>>
>>4. Type defines type of the alert. Pre-defined types are 0 -
>>default, 1 - buy, 2 - sell, 3 - short, 4- cover. YOu may specify
>>higher values and they will get name "other"
>>
>>5. Flags control behaviour of AlertIF function. This field is a
>>combination (sum) of the following values:
>>( 1 - display text in the output window, 2 - make a beep (via
>>computer speaker), 4 - don't display repeated alerts having the
>>same type, 8 - don't display repeated alerts having the same
>>date/time) By default all these options are turned ON.
>>
>>6. lookback parameter controls how many recent bars are checked
>>
>>Examples:
>>
>>Buy = Cross( MACD(), Signal() );
>>Sell = Cross( Signal(), MACD() );
>>Short = Sell;
>>Cover = Buy;
>>
>>AlertIF( Buy, "EMAIL", "A sample alert on "+FullName(), 1 );
>>
>>AlertIF( Sell, "SOUND C:\\Windows\\Media\\Ding.wav", "Audio alert",
>>2 );
>>
>>AlertIF( Short, "EXEC Calc.exe", "Launching external application",
3
>>);
>>
>>AlertIF( Cover, "", "Simple text alert", 4 );
>>
>>Note EXEC command uses ShellExecute function and allows not only
EXE
>>files but URLs too.
>>
>>Interpretation window
>>
>>Interpretation window (View->Interpretation) shows chart-sensitive
>>commentaries. To add a interpretation just use Indicator builder
and
>>add commentary code after the code for the indicator. Please note
>>that to get the best performance you should use the following
>>optimization hint: after your indicator code and before commentary
>>code you should add the following line://--Indicator-End--
>>
>>( two slashes (comment start), two dashes, Indicator-End and two
>>dashes ). When the parser is evaluating the formula in the
>>"indicator" mode it stops there, so commentary code is not
executed
>>and it saves time. When parser is in other modes - entire formula
>>is parsed/executed.
>>
>>Example:Plot( Close, "Price", -1, 64 );
>>Plot( SAR( Prefs( 50 ), Prefs( 51 ) ), "SAR",-17, 8+16 );
>>//--Indicator-End--
>>"The Parabolic SAR provides excellent exit points. "; "You should
>>Close long positions when the price falls below the SAR AND Close
>>Short positions when the price rises above the SAR."; WriteIF(
>>graph1 > Close, "SAR is above close", "SAR is below close" );
>>
>>Data tips
>>
>>Data tips now show the values of indicators. Just hover your mouse
>>over the chart wait a while and data tip will show indicator
values
>>at point beneath the mouse.
>>
>>QuickAFL
>>
>>The QuickAFL technology can give 10x or more speed up when plotting
>>custom indicators for symbols with more than 1000 bars of data.
The
>>exact speed-up depends on various factors. When evaluating the
>>formula AmiBroker performs a heuristic guess how many bars of past
>>and future data are required to evaluate the formula. Then only
>>this required amount is used so when you have a lot of data (say
>>>50000 data bars) and view only recent 500 bars AFL (if it is
>>>possible) evaluates your formula only for the last few hundreds of
>>>bars which is much faster. Please note that if you are using the
>>>following functions: Cum(), AccDist(), OBV(), Chaikin(), NVI(),
>>>Highest(), Lowest(), PVI(), ADLine(), AddToComposite(), Equity()
>>>AmiBroker can not use this optimization technique because these
>>>function perform calculations that require all previous bars.
>>>Please note that AFL can not currently guess the number of bars
>>>required by JScript/VBScript parts of your code nor code included
>>>in plugin DLLs. If you are using any you should take a look at
>>>SetBarsRequired function that allows to instruct AmiBroker how
>>>many bars are really needed. Use SetBarsRequired( 1000000,
1000000
>>>) - if you want all previous and all future bars (old behaviour).
>>
>>Please also note that this techniques is currently enabled ONLY for
>>custom indicators and new Interpretation window. All other AFL
>>tools (Automatic Analysis, Commentary) are NOT affected.
>>
>>"Check" feature in Automatic Analysis
>>
>>As a side effect of the technique of finding out the number of bars
>>required to calculate given formula, I have added a "Check"
feature
>>that parses the formula in AA window and displays the message
>>telling you what is AmiBroker guess. It warns you if your formula
>>references future quotes. Note that for performance reasons the
>>number of past/future quotes required to calculate given formula
is
>>very approximate. The algorithm is actually quite simple. Every
>>built-in function in AmiBroker "knows" how many past and/or future
>>bars it requires to calculate properly.
>>
>>For example Ref( Close, -4 ) "knows" that it requires 4 past bars,
>>and MA( Close, 15 ) "knows" that it requires 15 past bars. When
>>checking the formula AmiBroker sums up this individual numbers, so
>>for the following formula:Ref( Cross( MA( Close, 15 ), MA( Close,
25
>>) ), -4 );
>>
>>AmiBroker will tell that you need 44 past quotes (15+25+4). This is
>>more than it is really needed, but this is a "safe" guess.
>>
>>Other features
>>
>>See the changes list
>>
>>Sample P&F code showing how to use new graph styles
>>
>>//// P&F sample code
>>// Originally written by Mirat Dave
>>// Modified and adopted for AmiBroker 4.07 by Tomasz Janeczko
>>// Disclaimer:
>>// This code is not supposed to be fully working P&F chart
>>// and it may (and probably will) give inaccurate output.
>>// The ONLY purpose of this code is to show how to use new graph
>>style 8128 (stylePointAndFigure)
>>// available in AmiBroker 4.07 that plots P&F-style O and X
>symbols.
>>// True P&F charting will be available in later versions of
>>AmiBroker.
>>
>>SetBarsRequired(100000,100000);
>>AvgTR = LastValue(ATR(50));
>>EnableScript("jscript");
>><%
>>High = VBArray( AFL( "High" ) ).toArray();
>>Low = VBArray( AFL( "Low" ) ).toArray();
>>ATR = AFL("AvgTR");
>>
>>
>>PFO = new Array();
>>PFC = new Array();
>>
>>Box = 0.7*ATR; // rma
>>
>>// initialize first element
>>j = 0;
>>PFO[j] = Box*Math.ceil(High[0]/Box);
>>PFC[j] = Box*Math.floor(Low[0]/Box);
>>down = 1; // By default the first bar is a down bar.
>>up = 0;
>>swap = 0;
>>
>>
>>// perform the loop that produces PF Chart
>>for( i = 1; i < High.length; i++ )
>>{
>>Reverse = Box * 3; // reversal requirement
>>
>>if( Low[i] < PFC[j] - Box && down)
>>{
>>PFC[j] = Box*Math.floor(Low[i]/Box);
>>}
>>else
>>{
>>if( High[i] >= PFC[j] + Reverse && down)
>>{
>>j++;
>>swap = 1;
>>PFO[j] = Box*Math.floor(Low[i]/Box);
>>PFC[j] = Box*Math.ceil(High[i]/Box);
>>}
>>}
>>
>>if( High[i] > PFC[j] + Box && up)
>>{
>>PFC[j] = Box*Math.ceil(High[i]/Box);
>>}
>>else
>>{
>>if( Low[i] <= PFC[j] - Reverse && up)
>>{
>>j++;
>>PFC[j] = Box*Math.floor(Low[i]/Box);
>>PFO[j] = Box*Math.ceil(High[i]/Box);
>>swap = 1;
>>}
>>}
>>
>>if( swap )
>>{
>>swap = 0;
>>if( up )
>>{
>>up = 0;
>>down = 1;
>>}
>>else
>>{
>>up = 1;
>>down = 0;
>>}
>>}
>>}
>>
>>delta = High.length - j;
>>
>>AFL.Var("PFO") = PFO;
>>AFL.Var("PFC") = PFC;
>>AFL.Var("Box") = Box;
>>AFL.Var("delta") = delta;
>>
>>%>
>>
>>PFO = Ref( PFO, -delta );
>>PFC = Ref( PFC, -delta ) ;
>>/* High-Low range sets the height of the P&F bar */
>>H = Max(PFO,PFC);
>>L = Min(PFO,PFC);
>>O = PFO;
>>/* the difference between Open and Close should be set to box size
>*
>>/
>>/* the sign decides if X or O are plotted */
>>C = O + Box * IIf( PFC > PFO, 1, -1 );
>>
>>Graph0Style = 64+8192; // new style is used here
>>Graph0BarColor = IIf( PFC > PFO, 5, 4 );
>>Graph0 = C;
>>
>>
>>List of AFL constants
>>
>>True = 1
>>False = 0
>>
>>stopTypeLoss = 0
>>stopTypeProfit = 1
>>stopTypeTrailing = 2
>>
>>stopModeDisable = 0
>>stopModePercent = 1
>>stopModePoint = 2
>>stopModeRisk = 3
>>
>>colorCustom1 = 0
>>colorCustom2 = 1
>>colorCustom3 = 2
>>colorCustom4 = 3
>>colorCustom5 = 4
>>colorCustom6 = 5
>>colorCustom7 = 6
>>colorCustom8 = 7
>>colorCustom9 = 8
>>colorCustom10 = 9
>>colorCustom11 = 10
>>colorCustom12 = 11
>>colorCustom13 = 12
>>colorCustom14 = 13
>>colorCustom15 = 14
>>colorCustom16 = 15
>>
>>colorBlack = 16
>>colorBrown = 17
>>colorDarkOliveGreen = 18
>>colorDarkGreen = 19
>>colorDarkTeal = 20
>>colorDarkBlue = 21
>>colorIndigo = 22
>>colorDarkGrey = 23
>>
>>colorDarkRed = 24
>>colorOrange = 25
>>colorDarkYellow = 26
>>colorGreen = 27
>>colorTeal = 28
>>colorBlue = 29
>>colorBlueGrey = 30
>>colorGrey40 = 31
>>
>>colorRed = 32
>>colorLightOrange = 33
>>colorLime = 34
>>colorSeaGreen = 35
>>colorAqua = 35
>>colorLightBlue = 37
>>colorViolet = 38
>>colorGrey50 = 39
>>
>>colorPink = 40
>>colorGold = 41
>>colorYellow = 42
>>colorBrightGreen = 43
>>colorTurquoise = 44
>>colorSkyblue = 45
>>colorPlum = 46
>>colorLightGrey = 47
>>
>>colorRose = 48
>>colorTan = 49
>>colorLightYellow = 50
>>colorPaleGreen = 51
>>colorPaleTurquoise = 52
>>colorPaleBlue = 53
>>colorLavender = 54
>>colorWhite = 55
>>
>>styleLine = 1
>>styleHistogram = 2
>>styleThick = 4
>>styleDots = 8
>>styleNoLine = 16
>>styleLog = 32
>>styleCandle = 64
>>styleBar = 128
>>styleNoDraw = 256
>>styleStaircase = 512
>>styleSwingDots = 1024
>>styleNoRescale = 2048
>>styleNoLabel = 4096
>>stylePointAndFigure = 8192
>>
>>CHANGES FOR VERSION 4.07.2 (as compared to 4.07.1)
>>fixed bug causing crash when using formula with Equity() function
>>and QuickAFL enabled
>>fixed bug causing crash when using variable-period HHV,LLV
functions
>>and QuickAFL enabled
>>fixed invisible short/cover arrows problem (arrows are shifted into
>>visible area now if there is not enough space)
>>overlaid indicators re-evaluate number of bars required to
calculate
>>formula so for example longer averages added to main chart via
>>custom AFL formula are plotted correctly for all bars
>>new Status() fields "range...." now work also in Scan and
>>Exploration modes
>>text columns in Explorations are sorted correctly by click on the
>>header
>>
>>
>>CHANGES FOR VERSION 4.07.1 (as compared to 4.07.0)
>>Equity plot does not generate alerts anymore
>>SOUND command works now (previously only PLAY was working).
>>Additionally an error message is displayed in the status bar
when
>>something goes wrong with playing the audio alert. Please note
>>that you should use \\ (double slashes) in the paths in AlertIF
>>function
>>small bug fix in displaying Data tooltips and QuickAFL enabled
>>
>>
>>CHANGES FOR VERSION 4.07.0 (as compared to 4.06.1)
>>help window is detached from application window
>>arrows generated by commentary window are refreshed properly when
>>new rt bars arrive (arrows are shown for active symbol only)
>>e-mail alerts: support for servers requiring SMTP authentication.
>>Supported methods:
>>AUTH LOGIN (most popular), POP3-before-SMPT (popular), CRAM-MD5,
>>LOGIN PLAIN
>>sound alerts: ability to test sound output
in Tools->Preferences-
>>>Alerts
>>AFL error box popping up in AA when RT data are flowing does not
>>cause a crash
>>custom minute bar compression improved - now you can have >60
minute
>>bars and also bars not evenly dividing the hour. So you can have 39
>>or 73 minute bars for example
>>drawing date/time axis improved
>>drawing built-in charts optimized for very long histories
>>new AFL functions:
>>+ Interval() returns bar interval in seconds
>>+ RMI( periods = 20, momentum = 5 ) - Altman's Relative Momentum
>>Index (S&C Feb 1993)
>>+ Status() function features new fields:
>>"rangefromdate", "rangetodate" - return current auto-analysis
>>From-To range as DateNums
>>"rangefromtime", "rangetotime" - return current auto-analysis From-
>>To range as DateNums
>>"barinrange" - returns 1 when current bar is within current
auto-
>>analysis From-To range
>>"barvisible" - (custom indicators only) returns 1 when current
>>bar is visible in current view
>>note: this should be used only if you really have to, indicator
>>should be
>>written without need to know how it is displayed
>>
>>+ LastValue has new optional parameter
>>LastValue( array, forcelastbar = 0 );
>>forcelastbar - changes the behaviour of LastValue when used in
>>Commentary
>>or Interpretation windows. By default it uses selected value,
but
>>if you
>>use LastValue( array, True ) then it always use last bar instead
>>of selected one.
>>
>>+ SelectedValue( array )
>>
>>
>>selection bar updates caption in all chart panes (displaying
current
>>values of all indicators). you can move selection-bar with <- and
->
>>cursor arrows on keyboard as before but now when you reach left
most
>>or right most bar- the chart starts to scroll automatically
>>quote selection and caption display works different now: if
>>selection-bar is NOT visible
>>then the last VISIBLE bar data are displayed (not the LAST
>>available), if selection-bar visible then selected bar data are
>>displayed
>>new graph style = 8192
>>- plots point-and-figure-style O and X symbols instead of
>>candlesticks
>>High and Low table are used to determine the height of bar,
>>Close-Open distance determines box size. If Close > Open - X's
>>are drawn
>>if Close < Open - O's are drawn.
>>added bitwise-and '&' and bitwise-or '|' operators to AFL language
>>(note that floating point number are converted (truncated) to
>>integers before applying bitwise operators)
>>new pre-defined constants for more descriptive code
>>
>>
>>
>>CHANGES FOR VERSION 4.06.1 (as compared to 4.06.0)
>>fixed tab order in Analysis window (Range radio buttons) (appeared
>>in 4.06beta)
>>fixed problem with using AFL.Var with uppercase letters (appeared
in
>>4.06beta)
>>fixed problem with using gSite.SetVariable / gSite.GetVariable with
>>uppercase letters (appeared in 4.06beta)
>>fixed problem with exploration (appeared in 4.06beta)
>>fixed small display issue in the data tooltips (-1e10 displayed
>>instead of {EMPTY})
>>disabled QuickAFL until all issues are resolved
>>
>>
>>
>>CHANGES FOR VERSION 4.06.0 (as compared to 4.02.1)
>>New Interpretation window (View->Interpretation) displays chart-
>>sensitive commentaries
>>new AlertIF function allows to generate visual, sound, e-mail
>>alerts. It also allows to launch any external program on signal
>>generated by AFL formula.
>>Automatic Analysis window now allows periodical scans (Scan every n
>>minutes)
>>new Check feature in Automatic Analysis window allowing you to find
>>out if your formula references future quotes or not.
>>Data tips show indicator values now and can show also
>>interpretations of indicators
>>n QuickAFL technology implemented
(Tools->Preferences->Miscellaneous
>>-> Enable QuickAFL for indicators) - provides >10x speed-up in
>>custom indicator charting with long histories (>1000 bars)
>>ability to modify / overlay additional graphs over built-in charts
>>(Indicator Builder->Built-in tab)
>>ability to create your own interpretation commentaries in Indicator
>>Builder
>>new AFL functions:
>>AlertIf( BOOLEAN_EXPRESSION, command, text, type = 0, flags =
>>1+2+4+8, lookback = 1 );
>>SetBarsRequired( backward, forward= -1) - overwrites heuristic
>>guessing algotithm used by QuickAFL technology. Allows to
>>specify the number of previous (backward), and future
(forward)
>>quotes required by the formula to properly calculate - for
>>advanced users only
>>GetBaseIndex() - retrieves symbol of base index as defined in
>>Symbol->Categories. To plot base security chart just use graph0 =
>>Foreign( GetBaseIndex(), "C" );
>>EnableTextOutput( flag ) - enables output of strings into
commentary
>>/ interpretation window. When flag = 0 no string is printed
>>into commentary window, 1 - strings are printed
>>_N( text ) - the function that prohibits writing the values of
>>assignment of string variables: _N( text = "this is a text" ); this
>>does not print out the text being assigned into commentary
>>window.
>>
>>
>>filtering weekends (File->Database Settings->Intraday settings-
>>>Filter weekends)
>>Commentary and Interpretation window are automatically refreshed
>>when charts are refreshed
>>OLE automation Quotation.Date (GetDate) includes time also
>>AFL engine symbol lookup optimized so AFL engine initializes 2x
>>faster and symbol lookup is also faster
>>when scrolling zoomed-out chart (that displays more than 2048 data
>>bars) the refresh is delayed a little. This makes scroll bar
more
>>responsive and it takes much less to scroll to desired position
>>when working with >100000 bars.
>>
>>CHANGES FOR VERSION 4.02.1 (as compared to 4.02.0)
>>added automatic ruin stop that closes all trades loosing more than
>>99.96%
>>
>>CHANGES FOR VERSION 4.02.0 (as compared to 4.01.0)
>>added ability to filter after-hours trading (File->Database
>>Settings->Intraday settings : Filter after-hours box plus definable
>>session start/end (per-workspace settings)
>>added ability to shift time displayed on charts/dialogs File-
>>>Database Settings->Intraday settings : Time Shift (AmiBroker
>>>uses computer local time, so it displays realtime quotes using
>>>the time of the timezone you are in. For example if you live in
>>>Warsaw - NYSE-quotes stocks will start 15:30 local (Warsaw)
>>>time. If you want however to display time as it is in New York
>(-
>>>6 hours -> 9:30) you have to set Time Shift to -6.
>>fixed problem with importing very long intraday histories > 300000
>>bars (if you want to import that long histories you have to go
to
>>File->Database Settings and change "Default number of bars" to
at
>>least 3000)
>>fixed a bug in intraday -> daily time compression
>>fixed "no trade list" display of Exposure and RAR
>>when writing the formula to HTML report < and > characters are
>>encoded to < and > to ensure that formula is not truncated.
>>"Apply" button in Indicator Builder inserts/modifies the custom
>>indicator only if the formula is correct. This avoids
>>continuously displayed error messages when working with real
time
>>streaming data.
>>fixed bug in list view sorting of numeric columns containing small
>>values
>>fixed crash occuring when Equity() function was called from
>>Commentary window
>>fixed display of huge numbers in the chart grid
>>added option to color up/down (traditional) bars : Preferences ->
>>Main chart
>>other minor fixes
>>
>>
>>CHANGES FOR VERSION 4.01.0 (as compared to 4.00.0)
>>Customisable N-tick charts in Real Time version (see Preferences
>-
>>>Intraday tab) and new View->Intraday menu
>>Ability to backtest custom N-tick bars
>>Backtester now makes better decisions on desired order of execution
>>of signals that occur the same day. (if both buy and sell (or
>>short and cover) signals occur on the very same bar and there is
>>already open trade from the any of the previous bars this open
>>trade is closed first, and a new trade is opened next. Otherwise
>>the usual order (buy first then sell) is used.
>>
>>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@xxxx
>>
>>
>>
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