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Jayson,
"Ray" is just a automatically right-extended
trend line.
It is provided just for convenience (a few click less than to
draw a trend line and switch right extension).
Best regards,Tomasz
Janeczkoamibroker.com
<BLOCKQUOTE
>
----- Original Message -----
<DIV
>From:
<A title=jcasavant@xxxx
href="">Jayson
To: <A title=amibroker@xxxxxxxxxx
href="">amibroker@xxxxxxxxxxxxxxx
Sent: Wednesday, October 02, 2002 11:45
PM
Subject: RE: [amibroker] AmiBroker4.17.0
beta released
<SPAN
class=194334121-02102002>Bill,
have
you looked at the new ray drawing tool in the new beta? If "Snap to price" is
turned off then a trend line can be drawn any where (although I use it asyou
describe. The new Ray drawing tool seems to do the same thing. I am sure I am
missing the point, but that in its self is not highly
unusual......
Jayson
<FONT face=Tahoma
size=2>-----Original Message-----From: wavemechanic
[mailto:wd78@xxxx]Sent: Wednesday, October 02, 2002 5:24
PMTo: amibroker@xxxxxxxxxxxxxxxSubject: Re: [amibroker]
AmiBroker 4.17.0 beta released
Jayson:
In my world, a trendline is relative to
price/indicator data (H to H, L to L, H to L, etc.), whereas a ray is free as
a bird and assumes values that you conjure up (e.g., Gann 1x1, etc.) or are
related to some aspect of non-price data constructions (e.g., Gann
box).
Bill
<BLOCKQUOTE
>
----- Original Message -----
<DIV
>From:
<A title=jcasavant@xxxx
href="">Jayson
To: <A title=amibroker@xxxxxxxxxxxx
href="">amibroker@xxxxxxxxxxxxxxx
Sent: Wednesday, October 02, 2002 5:08
PM
Subject: RE: [amibroker] AmiBroker
4.17.0 beta released
<SPAN
class=366055520-02102002>Tomasz,
<SPAN
class=366055520-02102002>
<SPAN
class=366055520-02102002>Love the new drawing tools! It just keeps getting
better and better.
<SPAN
class=366055520-02102002>
<SPAN
class=366055520-02102002>Perhaps a foolish question but what is the
difference between a trend line and a ray? they seem
identical.
<SPAN
class=366055520-02102002>
<SPAN
class=366055520-02102002>TIA and great job on the update
<SPAN
class=366055520-02102002>
<SPAN
class=366055520-02102002>
Jayson
<FONT face=Tahoma
size=2>-----Original Message-----From: Tomasz Janeczko
[mailto:amibroker@xxxx]Sent: Wednesday, October 02, 2002 2:51
PMTo: amibroker@xxxxxxxxxxxxxxxSubject: [amibroker]
AmiBroker 4.17.0 beta released
Hello, A new beta version of
AmiBroker (4.17.0) is available for download nowfrom the following
locations: <A
href=""><FONT face="Arial CE"
size=2>http://www.amibroker.com/bin/ab4170beta.exe<A
href=""><FONT face="Arial CE"
size=2>http://www.amibroker.net/bin/ab4170beta.exe<A
href=""><FONT face="ArialCE"
size=2>ftp://ftp.amibroker.com/pub/ab4170beta.exe<A
href=""><FONT face="ArialCE"
size=2>ftp://ftp.amibroker.net/pub/ab4170beta.exe<FONT
face="Arial CE" size=2> (411KB self-extracting
archive) Please read the "Read Me" file for description of
changes. Best regards,Tomasz
Janeczkoamibroker.com
AmiBroker 4.17.0 Beta Read Me
October 2, 2002 20:45
THIS IS A BETA VERSION OF THE SOFTWARE. EXPECT BUGS.
Backup your data files and entire AmiBrokerfolder
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 4.17.0 beta" written in the
About box.
CHANGES FORVERSION
4.17.0 (as compared to 4.16.0)
added Gann Square and Gann Fan drawing tools with customisation
dialogs (angle of line is displayed in the status bar)
added parallel trend line tool
studies can be dragged without "shrinking" effect beyond upper and
lower chart border and beyond left and right border (but within available
quotation range plus right margin)
New toolbar buttons for ray (right-extend line) and extend (left and
right) lines
Format toolbar controls (color, thick, dotted) change selected drawing
style & color
snap to price was not accurate in v4.15-4.16 now it is accurate again
snap to price now works in "magnet" mode - so it snaps only if cursor
is within 5% distance to high/low price. Snap % threshold is definable in
Preferences/Charting
usability improvement: even when "return to select mode after drawing"
is ON, you can draw mutliple studies one after another quickly if youhold
down CTRL key while releasing the button.
usability improvement: you can now draw objects with OR without
holding left mouse button pressed while drawing.
drawing object is now automatically selected when "return to select
mode after drawing" is ON and "auto-select last drawn object" is alsoON.
This makes it easier to delete/copy/cut or see its properties (Alt+Enter)
immediatelly.
#include can now be written also in upper case
some UI clean-up:
added "Format" menu just to conform with MS recommendations foruser
interface,
moved "snap to price" to Format menu and moved "Erase watch lists"
to "Symbol" menu.
"Snap to price" now available from toolbar. Right and left extend
available from Format menu.
Added "Properties" and "Delete all" to "Edit" for consistency
"Quotations..." has been renamed to "Quote Editor" and toolbar icon
has been changed
certain rarely used toolbar icons from "main toolbar" were removed
to save space (Add/Delete/Split Symbol - regular menu is more
appropriate for that operations)
X-coordinate display pane in status bar enlarged to accommodate time
also
added "Copy Image as Metafile" option to Edit menu. Metafile is a
vector format so you can resize copied picture without distortion. (useful
for creating documents that are printed later)
Quote Editor (QE) improvements:
you can now delete quotes in QE - select one or more quotes from the
list (SHIFT/CTRL to multi-select) and press "Delete" button
QE made several times faster displaying 20'000 bars in "current"
symbol mode takes about 2 seconds now.
now tickers can be case-sensitive. This is useful if you want to
treat. ABC and ABc as different symbols. Tools->Preferences
"Miscellaneous" : "Case sensitive ticker symbols"USE WITH CARE AS
CERTAIN PLUGINS (eSignal plugin for example) DO NOT HANDLE CASE
SENSITIVITY
CHANGES FORVERSION
4.16.0 (as compared to 4.15.1)
completely re-designed Fibonacci retracement tool allowing full
customization and more flexibility. Just draw a Fib retracement and double
click on it (or choose Edit->Properties). Customization dialog is
available on "Fibonacci" tab.
new setting in Tools->Preferences->Charting "Select quote only
by CTRL+LMB" - if marked quote selection is accessible only via double
click or single click WITH CTRL key depressed (v4.15 style).if
unmarked quote selection is possible via single click (old style)
trend line properties dialog moved to property sheet for consistency.
CHANGES FORVERSION
4.15.1 (as compared to 4.15.0)
fixed bug with date axis display that appeared in 4.15.0
fixed problem with moving/sizing objects when multiple windows were
open
removed "Move/Size" toolbar button:now editing/moving/sizing is
enabled by default in regular "Select" mode (arrow cursor) the old
functionality (pick quotation) is available if you hold down CTRL key
while clicking once on the chart or by double click on a chart while not
being over an object. Double click over object - shows properties.
added "Return to select mode after drawing" option in
Tools->Preferences->Charting- when it is switched ON (by
default) - right after drawing any object it is available for
moving/sizing/deletion.
CHANGES FORVERSION
4.15.0 (as compared to 4.14.0)
moving and sizing of drawing objects (see new "Move/Size" button in
draw tool bar)
cut/copy/paste/delete of drawing objects (Edit menu and standard
shortcuts, need to mark object first in Move/Size mode)
blank space in the right-hand side of the chart for drawing future
trend line projections
moved charting related preferences setting to new tab "Charting"
new setting for number of blank bars in right margin (Charting tab)
CHANGES FORVERSION
4.14.0 (as compared to 4.13.1)
fixed problem with creating new databases that occurred on certain
MSVCRT versions
styleOwnScale adjusts Base level for histogram and area style back to
minvalue or zero whichever is less
Plot, PlotOHLC and PlotForeign have 2 additional parameters for
specifying fixed minimum and maximum values for Y-axisNote that new
parameters work only when styleOwnScale is used:Plot( array,
title, color, min = {empty}, max = {empty}
)PlotOHLC( open, high, low, close, title, color,
min= {empty}, max = {empty} )PlotForeign( ticker, title, color, min= {empty}, max = {empty} )New parameters make it
easy to plot ribbons, for example:
Plot( Close, "Price", colorBlue, styleCandle );Plot( 2, /*
defines the height of the ribbon in percent of pane width
*/"Ribbon",IIf( up, colorGreen, IIf( down, colorRed, 0 )), /*
choose color */styleOwnScale|styleArea|styleNoLabel, -0.5, 100
);
It also makes it easy to plot 2 or more "own scale" plots with thesame
scaling:
minimum = LastValue( Lowest( Volume ) );maximum = LastValue(
Highest( Volume ) );
Plot( Close, "Price", colorBlue, styleCandle );
/* two plots below use OwnScale but the scale is common because
we set min and max values of Y axis */Plot( Volume, "Volume",
colorGreen, styleHistogram | styleThick | styleOwnScale, minimum, maximum
);Plot( MA( Volume, 15 ), "MA volume", colorRed, styleLine |
styleOwnScale, minimum, maximum );
fixed date axis display for custom intraday intervals longer than60
minutes
"dirty" flag is set properly now during ASCII import in $OVERWRITE 1
mode (solves import watch list problem)
when switching layouts ticker bar selection is now synchronized with
active window
after AA->Scan Foreign symbol cache is flushed
now styleLeftAxisScale really allows modification of built-in price
chart to feature moving average of volume// Now plot volumeand
its moving average using left-hand axis scalingPlot( Volume ,
"Volume", colorBlue, styleLeftAxisScale | styleHistogram | styleThick|
styleNoLabel );Plot( MA( Volume,15), "MAV", colorLightBlue,
styleLeftAxisScale | styleNoLabel );
ASCII importer and Import Wizard now allows to import negative prices
(useful for spreads). New command is $ALLOWNEG 1 and new check box in
Import Wizard is "allow negative prices". Please note that logarithmic
scale can NOT be used to display negative prices because log() function is
undefined for negative values.
four new AFL functions:
LinRegIntercept( ARRAY, periods )- calculates intercept of linear
regression line the "a" coefficientin a + b*x (LinRegSlope
calculates b)
LinearReg( ARRAY, periods )- calculates linear regression line
ending value according toa + b * x (where a and b are interceptand
slope of linear regression line)
StdErr( ARRAY, periods )- calculates standard error function
(standard error of linear regression estimate) - the same as MS' STE
function
TSF( ARRAY, periods ) - calculates time series forecast indicator
(similar to LinearReg but differs bythe value of lin reg
slope)
CHANGES FORVERSION
4.13.1 (as compared to 4.13.0)
F4 key for Edit | GoToSymbol works again and can be redefined in the
shortcut editor
new style: styleLeftAxisScale = 65536 - allows to plot more than one
graph using common scaling but different from regular (right axis)
scale.Example: price plot plus volume and moving average plot:
// Plot price plot and its moving averagePlot( Close,
"Price", colorWhite, styleCandle );Plot( MA( Close, 20 ), "MAC",
colorRed );
// Now plot volume and its moving average using left-hand axis
scalingPlot( Volume , "Volume", colorBlue, styleLeftAxisScale |
styleHistogram | styleThick );Plot( MA( Volume,15), "MAV",
colorLightBlue, styleLeftAxisScale );
(in one of the future betas you will be able to display ruler for
left-hand axis)
CHANGES FORVERSION
4.13.0 (as compared to 4.12.0)
fixed bug with loading layouts for stocks that have spaces in the
ticker symbol
new pre-defined shortcut keys: Alt+Left = Next symbol, Alt+Right =
Prev symbol,Ctrl+NumPadPLUS = Zoom In, Ctrl+NumPadMINUS = Zoom
Out,Ctrl+PageUp = Prev Sheet, Ctrl+PageDown = Next Sheet
new keyboard shortcut editor in Tools->Preferences->Keyboard
allow user-definable keyboard shortcuts
fixed display bug in Preferences->Intraday that caused rounding to
full hours custom bar intervals of more than 60 minutes
Layouts->Save As does not generate duplicate entries in the tree
when already existing name is typed in (it was harmless but still not
nice)
A confirmation box is displayed when choosing Edit->Delete session
fixed problem with incorrect interval shown in the settings section of
the report when hourly periodicity was selected
new style: styleOwnScale = 32768 allows plotting graphs with
independent scalling (like volume graph on price plot)
implemented PlotForeign("ticker", "title", color,
| styleOwnScale )
implemented PlotOHLC( open, high, low, close, "title", color, | styleOwnScale ) that allows plotting candlesticks/bars from
other arrays without need to overwrite existing OHL arrays.
CHANGES FORVERSION
4.12.0 (as compared to 4.10.3)
color coded and multi-line caption bars in indicatorscolors are
selected automatically when using Plot() function or graphNcolor
variable.If you use Title variable you have to specify colors in the
string.Colors can be specified using \\cXX sequence where XX is 2
digit number specifying color index \\c38 - defines violet, there is a
special sequence \\c-1 that resets to default axis color. For example
Title = "This is written in \\c38violet color \\c27and thisin
green";You can also use new AFL function that makes it easier.
Function is calledEncodeColor( colornumber ).And you can write the
above example like this:Title = "This is written in " +
EncodeColor( colorViolet ) + "violet color " + EncodeColor( colorGreen ) +
"and this in green"; Multi-line caption is possible by simply
embedding line break \n, for example:Title = "This is 1st line\nThis
is second line";
new layout handling code:
you can now have unlimited number of custom, multiple-window
templates that can be switched between with just double click on layout
name in the "Layouts" tab of the Workspace window
you can open/save/delete layout by clicking on the Layout tree with
right mouse button and choosing appropriate function. "Save As" option
saves current layout under new name.
Local layouts are per-database while Global layouts are visiblefrom
all databases.
information saved in layouts include: window sizes and postions,
maximized/minimized state chart panes available on each sheet
(independent for each window), selected bar interval, selected symbol,
selected chart sheet
Most recently used layout can be saved on exit and database switch
automatically (see: Tools->Prefs->Miscellaneous "Save on exit:
Layouts")
CCIa( array, period ) function added - works like CCI but accepts
input array instead of working on (C+H+L)/3
implemented a *very* basic pre-processor with single command #include
that allows to include external AFL files into your formula.
Syntax:#include "path\to my file\name path.afl"Note 1: include
statement need SINGLE backslashes in the path (this is quite the opposite
to normal AFL stingparsing)Note 2: using #include command mayslow
down formula execution evenconsidering the fact that AmiBroker tries
to include only once and cache pre-processed textNote 3: that
currently no error message is given if #include fails and this codeis
experimental.Note 4: nesting #include commands is not supported
balloon tooltips for status bar
color-coded plugin status pane in the status bar, plus pop-up balloon
notifications when connection state changes
ability to link custom menu to the plugin status pane - new QT plugin
(beta) provides Connect/Shutdown options thru such menu.
data plugins receive UNLOAD notification correctly
you can sort columns in Quotation Editor by click on column header
layout of Quick Review window changed to allow smaller window size.
Intraday settings dialog allows wider time shift -23..+23 hours
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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