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[amibroker] WRONG SUBJECT Re: AmiBroker 4.75.2 BETA released



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Thank-you, sir.:)  Just curious, but is there a reason why would 
anyone go back to an old version?


S.

--- In amibroker@xxxxxxxxxxxxxxx, "Tomasz Janeczko" <amibroker@xxxx> 
wrote:
>
> Hello,
> 
> Two things:
> 
> 1. This text is leftover from some old beta (pre 4.7x) and does not 
apply (appologies for not removing it)
> 
> 2. You have MISREAD this. This is the other way round.
> 
> It says " OLD versions will not automatically see indicators 
created with new versions"
> 
> So if you install NEW version, create some NEW indicators and then
> MOVE BACK to OLD version then you will need to add them manually 
(from afl files).
> 
> But NEW version AUTOMATICALLY reads all previous indicators.
> 
> 
> Best regards,
> Tomasz Janeczko
> amibroker.com
> ----- Original Message ----- 
> From: "sebastiandanconia" <sebastiandanconia@xxxx>
> To: <amibroker@xxxxxxxxxxxxxxx>
> Sent: Tuesday, January 03, 2006 6:06 PM
> Subject: [amibroker] Re: AmiBroker 4.75.2 BETA released
> 
> 
> > Hey, Tomasz.:)
> > 
> > "IMPORTANT NOTE: This version uses new system to store indicators 
(in 
> > separate files), so old versions will not automatically "see" 
> > indicators created with new version."
> > 
> > I'm sorry, I don't understand what you mean by this.  Is it the 
other 
> > way around, and the new version won't "see" the indicators 
created in 
> > the old version?  Does this mean I should save the indicators 
some 
> > way (like in a text file isolated from AB), then re-create them 
in 
> > the new version?
> > 
> > TIA.
> > 
> > 
> > Luck,
> > 
> > Sebastian
> > 
> > 
> > 
> > 
> > --- In amibroker@xxxxxxxxxxxxxxx, "Tomasz Janeczko" 
<amibroker@xxxx> 
> > wrote:
> >>
> >> Hello,
> >> 
> >> A new beta version (4.75.2) of AmiBroker has just been released.
> >> 
> >> It is available for registered users only from the members area 
at:
> >> http://www.amibroker.com/members/bin/ab4752beta.exe
> >> 
> >> (File size: 1 087 592 bytes, 1 MB)
> >> 
> >> If you forgot your user name / password to the members area
> >> you can use automatic reminder service at: 
> > http://www.amibroker.com/login.html
> >> 
> >> The instructions are available below and in the "ReadMe" file
> >> ( Help->Read Me menu from AmiBroker )
> >> 
> >> Highlight of this release:
> >>   a.. 24-bit (Truecolor) support for indicators and exploration 
> > output (see picture below) 
> >>   b.. new "cloud" chart style (see picture below) 
> >>   c.. speed improvements 
> >>     a.. (AFL arithmetical / logical array operators hand 
optimized 
> > on assembly level providing upto +400% speed up) 
> >>     b.. startup time increased 10 times
> >>   d.. other fixes and improvements (check READ ME below for 
details)
> >> 
> >>  
> >> IMPORTANT NOTES:
> >> 
> >> 
> >> 
> >>   1.. If you are using Firewall you may need to check if it did 
not 
> > block Broker.EXE file after upgrade. (It happened to some users 
that 
> > firewall blocked AmiBroker after upgrade and they could not 
connect 
> > to RT data sources due to that)
> >>   2.. If you installed 4.75.1 BETA before, after installation of 
> > this version you may see "Invalid key file. Please visit 
> > http://www.amibroker.com/lostkey.html";  in the Help->About 
window. 
> >>   If this happens, please either replace your key file with 
> > original one (if you have a backup) or go to 
> > http://www.amibroker.com/lostkey.html 
> >>   to have the key sent to you.
> >> Best regards,
> >> Tomasz Janeczko
> >> amibroker.com
> >> 
> >> AmiBroker 4.75.2 Beta Read Me
> >> January 3, 2006 17:13 
> >> 
> >> THIS IS A BETA VERSION OF THE SOFTWARE. EXPECT BUGS !!!
> >> 
> >> Backup your data files and entire AmiBroker folder first! 
> >> IMPORTANT NOTE: This version uses new system to store indicators 
> > (in separate files), so old versions will not automatically "see" 
> > indicators created with new version.
> >> 
> >> INSTALLATION INSTRUCTIONS
> >> 
> >> IMPORTANT: This archive is update-only. You have to install full 
> > version 4.70 first. 
> >> 
> >> Just run the installer and follow the instructions. 
> >> 
> >> Then run AmiBroker. You should see "AmiBroker 4.75.2 beta" 
written 
> > in the About box.
> >> 
> >> UPGRADE ALERT
> >> 
> >> Version 4.75.x beta requires license for v4.30 or higher. Users 
who 
> > registered before March 5th, 2003 (version 4.20 or older) need to 
> > purchase upgrade - in such case you will see "LICENSE EXPIRED" 
> > message in the About box.
> >> 
> >> 
> >> See CHANGE LOG below for detailed list of changes.
> >> 
> >> 
> >> CHANGE LOG
> >> 
> >> CHANGES FOR VERSION 4.75.2 (as compared to 4.75.1)
> >> 
> >>   a.. when no data we available chart background is correct now 
(it 
> > was black instead of one choosen in prefs in 4.75.x) 
> >> 
> >> 
> >>   b.. Added ability to disable fixed ruin stop
> >>   When you add 
> >> 
> >>   SetOption("DisableRuinStop", True);
> >> 
> >>   to your formula the backtester will not use built in 99.96% 
loss 
> > stop (ruin) Note: it is recommended NOT to use it unless you 
really 
> > have to.
> >> 
> >> 
> >>   c.. added new option to SetOption: 
> >> 
> >>   SetOption("EveryBarNullCheck", True)
> >> 
> >>   SetOption("EveryBarNullCheck", True)- allows to turn on 
checking 
> > for Nulls in arithmetic operations on every bar in the array(by 
> > default it is OFF - i.e. AmiBroker checks for nulls that appear 
in 
> > the beginning of the arrayand in the end of the array and once 
non-
> > null value is detected it assumes no further holes (nulls) in the 
> > middle). Turning "EveryBarNullCheck" to True allows to extend 
these 
> > checks to each and every barwhich is the way 4.74.x and earlier 
> > versions worked.
> >> 
> >>   Note however that turning it on gives huge performance penalty 
> > (arithmetic operations are performed even 4x slower when this 
option 
> > is ON, so don't use it unless you really have to).
> >> 
> >> 
> >>   d.. Added small result summary after backtest in the status 
line
> >> 
> >> 
> >>   e.. Fixed problem with plotting xshifted charts occuring when 
> > formula referenced future bars
> >> 
> >> 
> >>   f.. logical (boolean) operators check for nulls on every bar 
and 
> > treat null as "false" to maintain backward compatibility with 
> > formulas written for previous versions
> >> 
> >> 
> >>   g.. Modified file dialog buffer size from 262144 (0x40000) 
bytes 
> > to 262143 (0x3FFFF) to workaround 16 bit (64KB) buffer limit of 
> > Windows 95/98/NT4 (yes surprisingly NT4 is limited to 64K buffer 
in 
> > file dialogs)
> >> 
> >>   16-bit windows (95/98) and NT4 were treating 0x40000 as 0 
(zero) 
> > because only lower 16 bits were interpreted. Thanks to move to 
> > 0x3FFFF it is now interpreted as 0xFFFF on 16 bit windows.
> >> 
> >> 
> >>   h.. Potential crash fixed when formula using AddToComposite 
> > atcEnableInBacktest is verified in the AFL editor
> >> 
> >> 
> >>   i.. Added XShift parameter to PlotOHLC and PlotForeign 
functions
> >> 
> >> 
> >>   j.. fixed re-mapping of built-in and custom colors in grid 
color 
> > picker 
> >> 
> >> 
> >> CHANGES FOR VERSION 4.75.1 (as compared to 4.75.0) 
> >> 
> >>   a.. ParamColor now accepts 24 bit colors without crashing 
> >> 
> >> 
> >>   b.. Null values appearing at the end of data series (array) 
are 
> > handled appropriately (propagate through arithmetic operators)
> >>   This fixes problem that 4.75.0 had with "trendline" formulas 
that 
> > used Null values put into the array at the end of the data 
series. 
> >> 
> >> 
> >>   c.. Most recently picked drawing tool color is preserved 
between 
> > runs
> >> 
> >> 
> >>   d.. EncodeColor was not handling all 24 bit color combinations 
> > correctly. Fixed now.
> >> 
> >> 
> >>   e.. Chart tree fix: Moving or renaming formula in charts tree 
now 
> > updates all paths in indicators that use this formula
> >> 
> >> 
> >> CHANGES FOR VERSION 4.75.0 (as compared to 4.74.6) 
> >> 
> >>   a.. New chart style (styleCloud) to be used to create "cloud" 
> > chart as in Ichimoku charts. Also useful for indicator charts 
like 
> > MACD.
> >> 
> >>   This style fills non-rectangular (free shaped) area between 
HIGH 
> > and LOW arrays provided
> >>   by PlotOHLC function. Open and Close arrays are not relevant 
for 
> > plotting however Close
> >>   is used as usual to display value label and title. So 
recommended 
> > use is to use "upper" bounding value
> >>   in Open and High arrays and "lower" bounding value in "Low" 
> > and "Close" arrays 
> >>   Sample Ichimoku cloud:
> >> 
> >>   SL = ( HHV( H, 26 ) + LLV( L, 26) )/2; 
> >>   TL = ( HHV( H, 9 ) + LLV( L, 9 ) )/2; 
> >>   DL = Ref( C, 25 ); 
> >>   Span1 = Ref( ( SL + TL )/2, -25 ); 
> >>   Span2 = Ref( (HHV( H, 52) + LLV(L, 52))/2, -25); 
> >> 
> >> 
> >>   Plot( C, "Price", colorBlack, styleCandle ); 
> >>   Plot( SL, "SL", colorRed, styleThick ); 
> >>   Plot( TL, "TL", colorGreen, styleThick ); 
> >>   PlotOHLC( 0, span1, span2, span2, "Cloud", colorLightOrange, 
> > styleCloud );
> >> 
> >>   Simple MACD cloud:
> >> 
> >>   m = MACD(); 
> >>   Plot( Signal(), "Signal", colorBlue, styleThick ); 
> >>   PlotOHLC( m,m,0,m, "MACD", IIf( m > 0, colorGreen, colorRed ), 
> > styleCloud );
> >> 
> >>   Another MACD cloud (difference):
> >> 
> >>   m = MACD(); 
> >>   s = Signal(); 
> >>   Plot( s, "Signal", colorBlue); 
> >>   Plot( m, "MACD", colorRed ); 
> >>   PlotOHLC( m,m,s,m, "MACD", IIf( m > s, colorLime, 
> > colorLightOrange), styleCloud );
> >> 
> >> 
> >>   b.. when File->Open database or MRU list is choosen then old 
> > database is saved first
> >> 
> >> 
> >>   c.. When default database is deleted, AB now asks for new 
default 
> > database folder, instead of re-creating it
> >> 
> >> 
> >>   d.. when database is deleted from the outside and user picks 
it 
> > via MRU list -then gets removed from MRU list and is not 
recreated 
> > anymore
> >> 
> >> 
> >>   e.. When AmiBroker is launched with incorrect "Start in" 
(working 
> > directory) then it automatically switches to "last good" path
> >> 
> >>   " Last good" path is saved in the registry 
> > HKEY_CURRENT_USER\TJP\Broker\Defaults\LastGoodPath, during 
successful 
> > launch in correct directory (whenever working directory is 
correct or 
> > not it is determined by checking for presence of Broker.chm file 
> > (help file))
> >> 
> >>   Using correct working directory is important because AmiBroker 
> > uses relative paths to most components.
> >> 
> >> 
> >>   f.. AFL: new function: StaticVarRemove()
> >> 
> >>   StaticVarRemove("varname")
> >>   removes static variable and releases associated memory
> >> 
> >> 
> >>   g.. Start-up time decreased significantly by implementation of 
on-
> > demand loading of formulas
> >> 
> >>   (on slow, low-end machines loading time decreases from 10 
seconds 
> > to just 0.5 second)
> >> 
> >> 
> >>   h.. printf/StrFormat/SelectedValue functions no longer affect 
> > number of extra future bars calculated by QuickAFL
> >> 
> >> 
> >>   i.. Minor plugin status change (as in IB backfill) does not 
cause 
> > sound (only tooltip is displayed)
> >> 
> >> 
> >>   j.. Increased the limit of files that can be selected using 
> > Windows file dialog
> >>   Now import wizard and ascii importer file dialogs use 256KB 
> > buffer for file names that on average should allow 20000 files to 
be 
> > selected at once.
> >> 
> >> 
> >>   k.. Further speed improvements by rewriting chart ID lookup 
> > routine (GetChartInfoByID)
> >> 
> >> 
> >>   l.. Chart title string is clipped so Y axis is never obscured
> >> 
> >> 
> >>   m.. Chart title can be automatically wrapped now
> >>   Use 'Parameters' window,
> >>   " Axes & Grid" tab,
> >>   Miscellaneous->Wrap title: YES
> >> 
> >>   If you want to set it programmatically from the formula use
> >>   SetChartOptions( 2, chartWrapTitle );
> >> 
> >> 
> >>   n.. Auto-hide panes slide slightly faster
> >> 
> >> 
> >>   o.. All basic array arithmetic and logical operators inlined 
and 
> > hand optimized on assembly level for speed, gives upto 450% speed 
> > increase in basic array calculations
> >> 
> >>   Example speed increases:
> >> 
> >>   a) purely "theoretical" example
> >>   million iterations of array addition
> >>   for( i = 0; i < 1000; i++ ) 
> >>    for( k = 0; k < 1000; k++ ) 
> >>      Sumh = H + L;
> >> 
> >>   runs 4.8 times (+480%) faster (5 seconds in 4.75 compared to 
24 
> > seconds in 4.74 and older, Athlon64@xxxx)
> >>   2000 data bars.
> >> 
> >>   This gives ( 2000 * 1000000 additions ) / 5 sec = 400 
MEGAFLOPS 
> > (millions of floating point operations per second) AFL array-
based 
> > AFL execution speed.
> >> 
> >>   b) "real-world" examples:
> >>   " Projection Oscillator" 
> >>   http://www.amibroker.com/library/detail.php?id=344
> >>   single security optimization runs 85% faster
> >>   (13 seconds (4.75) compared to 24 seconds (4.74 or older) )
> >> 
> >>   " RSIS"
> >>   http://www.amibroker.com/library/detail.php?id=153
> >>   single-security optimization 5000 iterations runs 21% faster
> >>   (28 seconds (4.75) compared to 34 seconds (4.74 or older))
> >> 
> >>   NOTE: Performance increase depends on complexity of the 
formula. 
> > Biggest gains can be observed for formula doing LOTS of 
mathematical 
> > calculations on arrays (using lots of +, -, *, /, ^, %, 
comparisions 
> > <, >, ==, !=, <=, >=, etc).
> >> 
> >> 
> >>   p.. AFL: new function: SetChartBkColor( color )
> >>   sets chart background to user-specified color
> >> 
> >> 
> >>   q.. Added View->Time & Sales menu back
> >> 
> >> 
> >>   r.. Added chart timing display (you can turn it on via Tools-
> >>Preferences->Display chart timing)
> >> 
> >>   when turned on, in the bottom of each chart the following 
> > information is displayed:
> >>   Total time X sec, AFL exec time Y sec (Z %), # extra bars back 
Q, 
> > fwd R
> >> 
> >>   where 
> >>   X - is total time in second spent during chart refresh ( this 
> > includes AFL execution and actual screen painting/drawing, grid / 
> > scale calculations, etc)
> >>   Y - is time spent in chart AFL execution only (without any 
actual 
> > screen painting, grid / scale calcs)
> >>   Z - is percentage of time that AFL execution takes compared to 
> > total time required for refresh
> >>   Q - is a number of previous bars (before first visible bar) 
that 
> > are needed to calculate the indicator (QuickAFL estimation)
> >>   R - is the number of future bars (after last visible bar) that 
> > are needed to calculate the indicator (QuickAFL estimation)
> >> 
> >> 
> >>   s.. Added asin/acos to the AFL function reference
> >> 
> >> 
> >>   t.. AFL: 24-bit (16 million) truecolor support for indicators 
and 
> > exploration output.
> >> 
> >> 
> >>   u.. new ColorRGB() and ColorHSB functions to access full 24 
bit 
> > palette
> >> 
> >>   ColorRGB( red, green, blue )
> >> 
> >>   returns color value to be used in 
> > Plot/PlotOHLC/AddColumn/AddTextColumn
> >>   red, green, blue - represent color component values in range 
> > 0..255 each
> >> 
> >>   For more information about RGB color model please read:
> >>   http://en.wikipedia.org/wiki/RGB_color_model
> >> 
> >>   ColorHSB( hue, saturation, brightness )
> >> 
> >>   returns color value to be used in 
> > Plot/PlotOHLC/AddColumn/AddTextColumn
> >> 
> >>   hue - represents gradation of color within the optical 
spectrum 
> > (as in rainbow)
> >>   saturation represents "vibrancy" of the color
> >>   brightness represents brightness.
> >> 
> >>   Each parameter ranges from 0 to 255, where 0 represents 0% 
> > saturation/brightness 
> >>   or 0 degree hue in HSV color wheel,
> >>   and 255 represents 100% saturation/brightness or 360degrees 
hue 
> > in HSV color wheel
> >> 
> >>   When you modify hue from 0 to 255 you will see consecutive
> >>   rainbow colors starting from red, through yellow and green to 
> > blue and violet.
> >> 
> >>   For more information about HSB color space please read:
> >>   http://en.wikipedia.org/wiki/HSB_color_space
> >> 
> >> 
> >>   Example MA rainbow chart (bring up parameters dialog and play 
> > with it):
> >> 
> >>   side = 1; 
> >>   increment = Param("Increment",2, 1, 10, 1 ); 
> >>   for( i = 10; i < 80; i = i + increment ) 
> >>   { 
> >>       up = MA( C, i ); 
> >>       down = MA( C, i + increment ); 
> >> 
> >>      if( ParamToggle("3D effect?", "No|Yes" ) ) 
> >>       side = IIf(up<=down AND Ref( up<=down, 1 ), 1, 0.6 ); 
> >> 
> >>      PlotOHLC( up,up,down,down, "MA"+i, ColorHSB( 3*(i - 10), 
> >>      Param("Saturation", 128, 0, 255 ), 
> >>       side * Param("Brightness", 255, 0, 255 ) ), styleCloud | 
> > styleNoLabel ); 
> >>   }
> >> 
> >>   ///////
> >>   Color-parade exploration
> >> 
> >>   Filter=1; 
> >>   for( i = 0; i < 256; i = i + 16 ) 
> >>     AddColumn( C, "C", 1.2, colorDefault, ColorHSB( ( BarIndex() 
+ 
> > i ) % 256, 255-i, 255 ) ); 
> >> 
> >> 
> >> 
> >> 
> >> CHANGES FOR VERSION 4.74.6 (as compared to 4.74.5) 
> >> 
> >>   a.. Fixed problem with RTQuote failing to load symbol list 
during 
> > first show
> >> 
> >> 
> >>   b.. Fixed problem in AA-Apply To-Date that was introduced 
because 
> > of tab order change
> >> 
> >> CHANGES FOR VERSION 4.74.5 (as compared to 4.74.4)
> >> 
> >>   a.. Toolbar theme was reset when entering Formula Editor, now 
it 
> > is fixed
> >> 
> >> 
> >>   b.. Quote Editor list now remembers columns size and order 
> > between runs
> >> 
> >> 
> >>   c.. Keyboard shortcut editor now allows using punctation 
> > characters like Ctrl+[, Ctrl+], - =, etc
> >> 
> >> 
> >>   d.. Automatic Analysis: Pick button now has shortcut on Alt+I 
to 
> > avoid conflict with Alt+P (Parameters), also fixed tab order
> >> 
> >> 
> >>   e.. Fixed ParamDate to return DateNum instead of YYYYMMDD (4 
> > digit year)
> >> 
> >> CHANGES FOR VERSION 4.74.4 (as compared to 4.74.3)
> >> 
> >>   a.. New "Appearance" tab in Tools->Customize, allowing to 
select 
> > menu/toolbar/docking pane themes and tab location
> >> 
> >> 
> >>   b.. Layout and Symbol trees are marked for refresh when 
database 
> > is changed and refreshed when user brings them up
> >> 
> >> 
> >>   c.. Fixed exception that occurred after customization when 
ticker 
> > bar was removed from all toolbars
> >> 
> >> 
> >>   d.. Fixed ticker bar losing focus when 
> > Shift/Insert/CapsLock/NumLock pressed
> >> 
> >> 
> >>   e.. Real-time Quote column order/size is remembered correctly 
> > again
> >> 
> >> CHANGES FOR VERSION 4.74.3 (as compared to 4.74.2)
> >> 
> >>   a.. Fixed losing focus by ticker combobox when Shift, 
CapsLock, 
> > NumLock, Insert keys were pressed 
> >> CHANGES FOR VERSION 4.74.2 (as compared to 4.74.1)
> >> 
> >>   a.. Ticker combo is now correctly refreshed on database change 
> > even if moved to other toolbar than default
> >> 
> >> 
> >>   b.. Previously when Reset was used on Ticker toolbar it became 
> > blank - now it is fixed, ticker combo is refilled after closing 
> > customization mode
> >> 
> >> 
> >>   c.. Edit field in Ticker combobox does not scroll horizontally 
> > now when edited text is too long
> >> 
> >> 
> >>   d.. Numeric keypad keys now work with File MRU menu (most 
> > recently used files)
> >> 
> >> 
> >>   e.. Global shortcuts continue to work when focus is inside 
ticker 
> > combo
> >> 
> >> 
> >>   f.. "Profile" button in View toolbar works correctly now
> >> 
> >> 
> >> CHANGES FOR VERSION 4.74.1 (as compared to 4.74.0)
> >> 
> >>   a.. Fixed incorrect message displayed in the progress window 
> > during some longer explorations 
> >> CHANGES FOR VERSION 4.74.0 (as compared to 4.73.0)
> >> 
> >>   a.. New user interface: fully user-customizable advanced 
docking 
> > panes/toolbars/menus.
> >> 
> >>   New UI features: 
> >>     a.. Tear-Off Tabs 
> >>     b.. Nested docking pane grouping 
> >>     c.. WYSIWYG docking 
> >>     d.. sliding auto-hide pinnable windows 
> >>     e.. modern "Whidbey" look 
> >>     f.. Tear-Off menus and toolbars 
> >>     g.. Add/copy/Delete/Modify/drag-drop commands 
> >>     h.. User-defined toolbars
> >> 
> >> 
> >>   For a little video presentation see: 
> > http://www.amibroker.com/video/uicustomize.htmlNote: toolbar and 
> > keyboard customizations made in old versions need to be re-done 
> > because they can not be imported by new system due to fundamental 
> > differences (I am sorry about that)]
> >> 
> >> 
> >>   b.. GroupID(), IndustryID(), SectorID, MarketID(), InWatchList
(), 
> > IsIndex() and IsContinuous() functions are now affected by 
SetForeign
> >> 
> >> 
> >>   c.. Removed debug messages cluttering DebugView output (that 
> > appeared in 4.73)
> >> 
> >> 
> >>   d.. Changed the way drawing color picker is working: now it 
works 
> > like in Word (or other text editor) - keeps selected color even 
if 
> > drawing with different color is clicke
> >> 
> >> 
> >>   e.. Fixed false message "The note has been modified outside 
the 
> > notepad editor." occuring when file did not exist
> >> 
> >> 
> >>   f.. OLE: Changed Window.LoadTemplate to return FALSE when file 
> > can not be found
> >> 
> >> 
> >>   g.. OLE: Window.LoadTemplate now refreshes display so it is 
not 
> > necessary to use SelectedTab = 0
> >> 
> >> 
> >>   h.. Removed constant RT refreshes in interpretation window 
when 
> > text does not change
> >> 
> >> 
> >>   i.. ZoomToRange: last selected bar in range is visible after 
> > zooming now 
> >> CHANGES FOR VERSION 4.73.0 (as compared to 4.72.1)
> >> 
> >>   a.. OLE: Window object, new method ZoomToRange( From, To ) 
> >>   ZoomToRange( From, To )
> >>   From and To parameters are of any type that can be converted 
to 
> > date(you can use string or OLE date for example).
> >> 
> >>   Example code (JScript):
> >> 
> >>   AB=new ActiveXObject("Broker.Application");
> >>   AW = AB.ActiveWindow;
> >>   if( AW.ZoomToRange( "2005-04-01", "2005-08-01" ) )
> >>   { 
> >>      WScript.Echo("Zoom successfull" );
> >>   }
> >> 
> >> 
> >>   b.. Fixed: Chart got shrinked a bit with each overlaid plot, 
now 
> > the Y scale does not change (unless really needed) 
> >> 
> >> 
> >>   c.. Fixed: XShift now works correctly with styleOwnScale and 
> > styleLeftScale
> >> 
> >> 
> >>   d.. Fixed: Volume chart overlaid on price chart in log scale 
> > (overlay) was compressed to flat line, now it is fixed (volume 
chart 
> > overlay uses linear scale always)
> >>   [#22262]
> >> 
> >> 
> >>   e.. AFL: Added AlmostEqual function (completed: 2005-09-16)
> >> 
> >>   AlmostEqual( x, y, ulps = 5 )
> >> 
> >>   this is a helper function for comparing floating point 
numbers.It 
> > returns True if x and y are equal or almost equal upto defined 
> > accurracy (ulps).It is recommended to use this function instead 
of 
> > equality check (==) as itleads to more reliable comparisons and 
less 
> > headache caused by IEEE floating pointacurracy issues.
> >> 
> >>   Parameters:x, y - the numbers or arrays to be compared,Ulps 
> > stands for "units in last place" and represents maximum relative 
> > error of the comparison. Since 32 bit IEEE floating point numbers 
> > have accurracy of 7 significant digits, 1 unit in last place(ulp) 
> > represents relative error of 0.00001 %. The default value of ulps 
> > parameter is 5 which gives roughtly 0.00005% "comparison 
sensitivity".
> >> 
> >> 
> >>   Example code:
> >> 
> >>   if( 1/3 == 0.3333333 ) 
> >>   { 
> >>     printf("32-bit Floating point IEEE exact equality\n");
> >>   }
> >> 
> >>   if( AlmostEqual( 1/3, 0.3333333 ) ) 
> >>   { 
> >>     printf("Numbers are almost equal\n");
> >>   }
> >> 
> >>   Thanks to Bruce Dawson for his fast routine.
> >> 
> >> 
> >>   f.. Optimize() function now checks if min < max, step > 0 and 
> > checks if parameter name is not empty 
> >> 
> >> 
> >>   g.. Made Time&Sales case insensitive (when "case sensitive 
> > tickers" option is turned off") 
> >> 
> >> 
> >>   h.. OBV/AccDist/Chaikin functions adjusted to be SetForeign-
aware
> >> 
> >> 
> >>   i.. OLE: Application object new methods
> >>   BOOL LoadLayout( filename )
> >>   BOOL SaveLayout( filename )
> >> 
> >>   AB = new ActiveXObject("Broker.Application");
> >>   AB.LoadLayout("C:\\Program 
> > Files\\AmiBroker\\Data\\Layouts\\Default.awl");
> >> 
> >> 
> >>   j.. OLE: Window object new property: SelectedTab 
> >> 
> >>   AB = new ActiveXObject("Broker.Application");
> >>   AW = AB.ActiveWindow;
> >>   tabindex = AW.SelectedTab; // read selected tab
> >>   AW.SelectedTab = 3; //switch to tab 3
> >>   AW.SelectedTab = tabindex; // restore originally selected tab
> >> 
> >> 
> >>   k.. Fixed: Exception was generated when GetRTDataForeign was 
> > called with non-existing ticker
> >> 
> >> 
> >>   l.. OLE: Window object new methods: LoadTemplate, SaveTemplate
> >> 
> >>   AB = new ActiveXObject("Broker.Application");
> >>   AW = AB.ActiveWindow;
> >>   AW.SaveTemplate("Test.abt");
> >>   AW.LoadTemplate("Test.abt");
> >> 
> >> CHANGES FOR VERSION 4.72.1 (as compared to 4.72.0)
> >> 
> >>   a.. fixed out-of-memory problem sometimes occuring during scan 
of 
> > large (>512MB) databases 
> >> CHANGES FOR VERSION 4.72.0 (as compared to 4.71.1)
> >> 
> >> 
> >>   a.. " Currency" field support in ASCII importer 
> >>   added command: 
> >>   $CURRENCY USD
> >> 
> >>   and field:
> >> 
> >>   $FORMAT Name,Currency$OVERWRITE 1$AUTOADD 1]
> >> 
> >> 
> >>   b.. Added "Additional commands" field in the Import wizard for 
> > typing any extra $- commands that are not available via 
checkboxes 
> >> 
> >> 
> >>   c.. Added parameter to AddColumn/AddTextColumn to control 
column 
> > width 
> >> 
> >>   AddColumn( ARRAY, "Caption", format = 1.2, color = 
colorDefault, 
> > bgcolor = colorDefault, width = -1); 
> >>   AddTextColumn( "Text", "Caption", format = 1.2, color = 
> > colorDefault, bgcolor = colorDefault, width = -1 );
> >> 
> >> 
> >>   d.. AddToComposte new flag to work when Status("action")== 
> > actionPortfolio (completed: 2005-09-09)
> >>   new flag is called atcEnableInPortfolio
> >> 
> >>   Example:
> >> 
> >>   if( Status("action" ) == actionPortfolio )
> >> 
> >>   {
> >>   ... Custom backtest mode here ....
> >>   AddToComposite( some_array, "~COMPOSITE", "X", 
> > atcFlagEnableInPortfolio | atcFlagDefaults );
> >> 
> >>   }
> >> 
> >> 
> >>   e.. AFL added: tanh(), sinh(), cosh() functions 
> >>   Hyperbolic tangent, sine and cosine function
> >> 
> >> 
> >>   f.. AFL functions: StrToUpper and StrToLower 
> >> 
> >> 
> >>   g.. Fixed: Tick ASCII import: last tick of previous import was 
> > deleted on subsequent import, now it is corrected 
> >> 
> >> 
> >>   h.. Function to detect mouse button state 
> >> 
> >>   GetCursorMouseButtons() returns mouse button state at the time 
> > when chart formula is executed
> >> 
> >>   0 - if no mouse button is pressed
> >>   1 - if left mouse button is pressed
> >>   2 - if right mouse button is pressed
> >>   4 - if middle mouse button is pressed
> >> 
> >>   plus combinations:3 - left + right5 - left + middle6 - right + 
> > middle 7 - left + right + middle]
> >> 
> >> 
> >>   i.. GetRTDataForeign (retrieving values for other symbols) 
> >>   GetRTDataForeign( "field", "symbol")
> >> 
> >> 
> >>   j.. Pane is not deleted if shrinked down to zero (prevents 
from 
> > accidential deletion of panes) 
> >> 
> >> 
> >>   k.. Plot function now has xshift parameter that allows to 
> > visually shift the chart past the last bar 
> >>   Example 20-bar Moving average shifted 10 bars into the future 
> > past the last bar:
> >> 
> >>   Plot(Close,"Close",colorBlack,styleCandle);Plot(MA
> > (Close,20), "Shifted MA", colorRed, styleLine, Null, Null, 10 );
> >> 
> >>   Note that shift occurs during plotting and does not affect 
source 
> > array
> >> 
> >> 
> >>   l.. Removed data source selection from preferences because it 
> > caused user confusion way too often 
> >> 
> >> 
> >>   m.. Stock.Currency available via OLE
> >> 
> >> 
> >>   n.. Title variable now supports new special token {{OHLCX}} 
which 
> > is replaced at runtime by string "Open ..., Hi .... Lo ... Close 
> > (...%)" showing current price
> >> 
> >>   This way it is possible to implement formula that will show 
OHLC 
> > prices with number of decimal places set in the preferences.
> >> 
> >>   Example:
> >> 
> >>   SetChartOptions(0,chartShowArrows|chartShowDates);
> >>   _N(Title = "{{NAME}} - {{INTERVAL}} {{DATE}} {{OHLCX}} 
> > {{VALUES}}" );
> >>   Plot( C, "Close", ParamColor("Color", colorBlack ), 
styleNoTitle 
> > | ParamStyle("Style") | GetPriceStyle() );
> >> 
> >> 
> >>   o.. user-definable number of decimal places in chart titles 
> > (completed: 2005-09-09)
> >>   Number of decimal places displayed in default chart title is 
now 
> > user-definable inTools->Preferences->Miscellaneous"Decimal places 
in 
> > chart titles".
> >> 
> >>   Allowable values:
> >>   -1 - dynamic mode (number of decimal places automatically 
> > adjusted)
> >>   0..6 - fixed number of decimal places 
> >> 
> >> 
> >>   p.. QuoteArray resizing now uses heuristic algorithm to 
minimize 
> > memory fragmentation and increase performance 
> >> 
> >> 
> >>   q.. atcFlagDeleteValues now highlighted properly in the AFL 
editor
> >> 
> >> CHANGES FOR VERSION 4.71.1 (as compared to 4.71.0)
> >> 
> >>   a.. fixed compatibility problem with AmiQuote (due to changed 
> > order of OLE properties/method while AmiQuote was using old ones) 
> >>   b.. now ASCII importer in $TICKMODE does not delete quotes 
older 
> > than oldest (first) record in the imported file, so you can 
safely 
> > import tick data from subsequent files (older first, newest 
later) 
> >> CHANGES FOR VERSION 4.71.0 (as compared to 4.70.5)
> >> 
> >>   a.. AFL: added GetCursorXPosition() and GetCursorYPosition() 
> > functions
> >> 
> >>   Functions return current mouse cursor position. 
> >>   Values returned are equal to those visible in the status bar, 
and 
> > these functions require status bar to be visible. Returned values 
> > represent cursor position at the formula execution time (or few 
> > milliseconds before it) and accurracy is subject to pixel 
resolution 
> > of the screen (first cursor position is read in screen pixels 
> > (integer) and then converted to actual value therefore for 
example 
> > when screen resolution is 1024x768 maximum obtainable resolution 
in X 
> > direction is 0.1% and in Y direction 0.13%), also X values are 
snap 
> > to datetime of nearest data bar.
> >> 
> >>   It only makes sense to use these functions in 
> > indicator/interpretation code. 
> >> 
> >>   Using them in AA window may yield random 
values.GetCursorXPosition
> > () function returns X position in DateTime format (the same as 
used 
> > by DateTime() function).You can convert it to string using 
> > DateTimeToStr() function.GetCursorYPosition() returns Y position 
(as 
> > displayed in Y axis of the chart). 
> >> 
> >>   Example:
> >> 
> >> 
> >>   ToolTip="X="+DateTimeToStr(GetCursorXPosition()) 
> > +"\nY="+GetCursorYPosition();
> >> 
> >>    
> >> 
> >>   b.. AFL: added DateTimeToStr() and StrToDateTime() functions 
> >> 
> >>   These functions allow to convert string to datetime format and 
> > vice versa.
> >> 
> >> 
> >>   Example:
> >> 
> >>   ToolTip="X="+DateTimeToStr(GetCursorXPosition()) 
> > +"\nY="+GetCursorYPosition();] 
> >> 
> >>   c.. Added ability to store charts as .GIF (in addition to PNG)
> >> 
> >>    
> >> 
> >>   d.. ASCII importer maximum supported line length is increased 
to 
> > 2048 characters 
> >> 
> >>    
> >> 
> >>   e.. Fixed: .aflsafe files didn't get deleted automatically
> >> 
> >>    
> >> 
> >>   f.. Added N-volume bars charts and timeframe support.
> >> 
> >>   Custom N-volume bar intervals are definable (as usual) in 
Tools-
> >>Preferences->Intraday.
> >> 
> >>   TimeFrame functions were also extended to support N-volume 
bars 
> > using new TimeFrameMode() function calling
> >> 
> >>   TimeFrameMode( 0 ); 
> >> 
> >>   - switches time frame functions to time-based operation (the 
> > default)
> >> 
> >>   TimeFrameMode( 1 ); 
> >> 
> >>   - switches time frame functions to N-tick operation (positive 
> > values passed to TimeFrameSet are treated now as N-tick)
> >> 
> >>   TimeFrameMode( 2 ); 
> >> 
> >>   - switches time frame functions to N-volume bar operation 
> > (positive values passed to TimeFrameSet are treated nowas N-volme 
> > bars) 
> >> 
> >>   Example:
> >> 
> >>   TimeFrameMode( 2 );
> >>   TimeFrameSet( 50000 ); // 50'000 share bars.. 
> >>   ...do something ...
> >>   TimeFrameRestore();
> >> 
> >> 
> >>   Note: N-volume bars are somewhat weird (compression of data to 
N-
> > volume bar may actually deliver MORE output bars - for example if 
one 
> > tick is 1000 shares and you have specified 100V bars then single 
tick 
> > will be expanded to TEN 100V bars - ten times original size)
> >>   TimeFrame functions are protected against array overrun and 
will 
> > not decompress beyond original array size (you will get an "Error 
47. 
> > N-volume bar compressed data longer than base time frame").
> >>   Also switching main time frame to some weird N-volume bar 
value 
> > will result in limiting the output to maximum twice original data 
size
> > (without error message). 
> >>   You should keep that in mind and avoid using too small N-
volume 
> > bar intervals that could lead to such condition.
> >>   Also due to the nature of N-volume bars the only TimeFrameSet
() 
> > function will yield correct N-volume bar values, TimeFrameGetPrice
() 
> > may give slightly distorted results.
> >>   It is also possible to use n-volume bars in TimeFrame 
functions 
> > without calling TimeFrameMode() - it is then necessary to specify 
n-
> > volume bars as negative number offset by -1000000 (minus one 
million):
> >> 
> >>   TimeFrameSet( -1000000 - 2000 ); 
> >> 
> >>   // gives 2000V barsSimilarly formatted negative numbers will 
be 
> > reported by Interval() function when n-volume bars are selected.
> >> 
> >> 
> >> 
> >> 
> >>   g.. OLE: Save As PNG / GIF callable from automation 
> >> 
> >>   Example script:
> >> 
> >>   AB = new ActiveXObject("Broker.Application");
> >>   AB.ActiveWindow.ExportImage("Test.png");
> >> 
> >>   h.. Plugin is not called when GetExtraData is used for symbol 
> > that has "use only local database" flag turned on, and NULL is 
> > returned instead of an error 
> >> 
> >>    
> >> 
> >>   i.. Protected against changing application's current working 
> > directory by printing to file
> >> 
> >>    
> >> 
> >>   j.. Toolbar does not get wrapped when main frame window is 
> > resized 
> >> 
> >>    
> >> 
> >>   k.. OLE: Analysis object has new method MoveWindow( x, y, 
width, 
> > height) that allows to control position and size of automatic 
> > analysis window
> >> 
> >>   AB = new ActiveXObject("Broker.Application");
> >>   AB.Analysis.MoveWindow( 10, 10, 200, 200 );
> >> 
> >> 
> >>   It has some restrictions on size: specified size can not 
> > besmaller than 10x10 pixels and can not be bigger than entire 
screen 
> > dimensions.
> >>   Also when "No minimum size for resizing dialogs" box in 
UNCHECKED 
> > in Tools->Prefs->Misc it won't shink AA window below default size 
> > necessary to fully display all controls.
> >> 
> >>    
> >> 
> >>   l.. ASCII importer: added ability to import tick data from 
text 
> > files 
> >> 
> >>   ASCII importer now allows tick data files to be imported.
> >> 
> >>   Tick data files consist of several records having the same 
> > timestamp.This makes it impossible to use normal import mode 
which 
> > assumes different (unique) timestampsfor each data row (when same 
> > timestamp is found then new data overwrites old).
> >> 
> >> 
> >>   To turn on TICK mode you need to add manually
> >> 
> >>   $TICKMODE 1
> >> 
> >>   line to ASCII importer definition file.
> >> 
> >> 
> >>   $TICKMODE is a special mode of importer that allows to import 
> > quotes that haveduplicate time stamps. 
> >> 
> >>   It makes two assumptions:
> >>   a) input data should come in the ascending time order (i.e. 
OLDER 
> > records first, LATEST records last)
> >>   b) input data should consist of entire tick history because 
> > importer will DELETE any existing quotes (to avoid creating 
multiple 
> > copies of the same ticks).
> >> 
> >>   Once again: Turning on 
> >>   $TICKMODE 1
> >>   will DELETE ANY QUOTES that already exist in the database and 
> > then will import all ticks from input data file.
> >>   You have been warned.
> >> 
> >> 
> >>   For example data files like this:
> >> 
> >>   
> > 
MOL,0,20050606,162959,16400.0000,16400.0000,16400.0000,16400.0000,2MOL
> 
> ,0,20050606,162959,16400.0000,16400.0000,16400.0000,16400.0000,11MOL
,0
> > ,20050606,162959,16400.0000,16400.0000,16400.0000,16400.0000,40
> >> 
> >> 
> >>   Can be imported using the following definition file:
> >> 
> >> 
> >>   $FORMAT Ticker, Skip, Date_YMD, Time, Open, High, Low, Close, 
> > Volume
> >>   $SKIPLINES 1
> >>   $SEPARATOR ,
> >>   $CONT 1
> >>   $GROUP 255
> >>   $AUTOADD 1
> >>   $DEBUG 1
> >>   $TICKMODE 1
> >> 
> >> 
> >>   Sometimes it happens that input files have invalid timestamps 
> > (seconds > 59).
> >> 
> >>   For example:
> >> 
> >>   
> > 
MOL,0,20050606,162970,16400.0000,16400.0000,16400.0000,16400.0000,2
> >> 
> >>   Please take a closer look at first line shown in this example 
it 
> > has time:16:29:70 (you see 70 seconds !)
> >> 
> >>   So I had to add a special flag to the importer that works 
around 
> > such data errors.
> >> 
> >>   It is called $ALLOW99SECONDS 1 and will convert all records 
with 
> > invalid seconds (i.e greater than 59)to 59s. 
> >>   So record stamped 16:29:70 will be treated as 16:29:59
> >> 
> >>   Now for tick mode to work with such incorrect records you 
would 
> > need to add two lines to ASCII importer definition:
> >> 
> >>   $TICKMODE 1
> >>   $ALLOW99SECONDS 1
> >> 
> >> 
> >> 
> >> 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 at amibroker.com
> >>
> > 
> > 
> > 
> > 
> > 
> > 
> > 
> > Please note that this group is for discussion between users only.
> > 
> > To get support from AmiBroker please send an e-mail directly to 
> > SUPPORT {at} amibroker.com
> > 
> > For other support material please check also:
> > http://www.amibroker.com/support.html
> > 
> > 
> > Yahoo! Groups Links
> > 
> > 
> > 
> > 
> > 
> > 
> >
>






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