|
PureBytes Links
Trading Reference Links
|
Ok, now I understand, and this now makes sense to me.
No more confusion with terminology.
Thank you,
Dennis
On Feb 18, 2009, at 5:36 PM, Tomasz Janeczko wrote:
> No, I mean I would call new Plot feature z-order,
> will leave layers terminology as it was and
> graphzorder will become obsolete (although still working).
> New name for this feature will be plotorder and will be switchable
> by setoption something like this:
> SetOption("PlotOrder", 1 );
>
> Best regards,
> Tomasz Janeczko
> amibroker.com
> ----- Original Message -----
> From: "Dennis Brown" <see3d@xxxxxxxxxxx>
> To: <amibroker@xxxxxxxxxxxxxxx>
> Sent: Wednesday, February 18, 2009 10:22 PM
> Subject: Re: [amibroker] Re: Plot() and z-order
>
>
>> Hi Tomasz,
>>
>> I was not suggesting that you should change any previous terminology.
>> That would not be wise.
>>
>> I have Howard's Intro to AB book, but not his first. I will admit
>> that I have not read it from cover to cover, as I got it to use as an
>> indexed reference. However, I have looked in the glossary and index
>> and in the plot commands and in the reserved variables, and I don't
>> see where he explains Z-order. The only mention is of Graphzorder as
>> a reserved variable without explanation. Of course the z-order
>> switched by this variable is a forward or reverse order that is
>> unchanged in definition.
>>
>> Perhaps Howard can point out the page where he explains Z-order?
>> Or perhaps you are talking about his next book?
>>
>> Best regards,
>> Dennis
>>
>> On Feb 18, 2009, at 3:43 PM, Tomasz Janeczko wrote:
>>
>>> I will stick with z-order in all docs. And layers will remain in
>>> original AB sense.
>>> That is mainly because I don't want to change things that are
>>> already
>>> described in Howard's books.
>>>
>>> Best regards,
>>> Tomasz Janeczko
>>> amibroker.com
>>> ----- Original Message -----
>>> From: "Dennis Brown" <see3d@xxxxxxxxxxx>
>>> To: <amibroker@xxxxxxxxxxxxxxx>
>>> Sent: Wednesday, February 18, 2009 9:21 PM
>>> Subject: Re: [amibroker] Re: Plot() and z-order
>>>
>>>
>>>> Of course they resort to: "This is the same as making "layers" of
>>>> objects where the Z-order determines what object is on top of
>>>> another." in order to help the reader visualize it.
>>>>
>>>> Another word that was referenced was Planes. Also Depth Buffers,
>>>> and
>>>> Z-buffers relate to 3D methods. Also it seams that "layers" as a
>>>> term
>>>> is used for just about everything as a concept of hierarchy in
>>>> software, so I am ready to back away from that. Z-order is more
>>>> widely used in windows programming due to what MS called it.
>>>>
>>>> The Z-order of plots has always been there based on the order of
>>>> execution of AFL (forward or reverse). Now we have this new idea
>>>> of Z-
>>>> order that is based on discrete numbered planes or buffers that
>>>> also
>>>> have their own independent Z-order based on the previous sentence.
>>>>
>>>> Ok, this will be my humble suggestion for the plot planes: Z-
>>>> planes.
>>>> I can visualize that. Each Z-plane can have the Z-order of plots
>>>> as
>>>> forward or reversed as before.
>>>>
>>>> I am done commenting on this subject now. I will use whatever is
>>>> decided by Tomasz.
>>>>
>>>> Best regards,
>>>> Dennis
>>>>
>>>> On Feb 18, 2009, at 2:28 PM, Mike wrote:
>>>>
>>>>> z-order is a pretty standard reference in coding languages, and is
>>>>> used as an adjective.
>>>>>
>>>>> http://en.wikipedia.org/wiki/Z-order
>>>>>
>>>>> Mike
>>>>>
>>>>> --- In amibroker@xxxxxxxxxxxxxxx, Dennis Brown <see3d@xxx> wrote:
>>>>>>
>>>>>> Tomasz,
>>>>>>
>>>>>> Thank you for making it possible for customers like me who use
>>>>>> AFL
>>>>> as
>>>>>> a programming language to create trading "platforms". Every time
>>>>> you
>>>>>> add some big or little thing that provides additional AFL
>>>>> flexibility
>>>>>> to control internal functions, I am able to quickly expand my
>>>>> horizons
>>>>>> with how I use AmiBroker.
>>>>>>
>>>>>> Yes, I struggled when writing the previous post when I realized
>>>>>> that
>>>>>> even though I had been thinking and referring to the Z-order as
>>>>>> "layers" for a long time, that term had already been used in
>>>>> AmiBroker
>>>>>> for visibility layers.
>>>>>>
>>>>>> When trying to use only "Z-order", I struggled because, this
>>>>>> implies
>>>>> a
>>>>>> verb, and conceptually I wanted to convey the idea of a noun of
>>>>>> positions. It can be visualized both ways -- as outputting plots
>>>>>> in
>>>>>> groups with the group order defined by Z-order parameter, or as
>>>>>> implemented where each Z-order refers to a different Z-layer with
>>>>> its
>>>>>> own buffer. I find it much easier to visualize it as different
>>>>>> Z-
>>>>>> layers on the chart. I come from a background in CAD and
>>>>>> photoshop
>>>>>> type programs where layers refers to Z-layers.
>>>>>>
>>>>>> I don't have all the answers, all I can do is provide some
>>>>>> feedback
>>>>>> from my experience. I think Z-order is a good term to describe
>>>>>> the
>>>>>> "action" parameter of the command, and Z-layers or perhaps Z-
>>>>>> levels
>>>>> is
>>>>>> the static "result" of executing the commands. Perhaps someone
>>>>>> else
>>>>>> has a better idea about this.
>>>>>>
>>>>>> Best regards,
>>>>>> Dennis
>>>>>>
>>>>>> On Feb 18, 2009, at 3:38 AM, Tomasz Janeczko wrote:
>>>>>>
>>>>>>> Dennis,
>>>>>>>
>>>>>>> Thank you for the feedback. All your findings are correct. It is
>>>>>>> very encouraging seeing new feature being
>>>>>>> fully utilised in such a short time.
>>>>>>> Regarding naming conventions - yes I try to keep the "Z-order"
>>>>> name
>>>>>>> for new z-order feature
>>>>>>> and do not use the word "layer" to avoid mix with old
>>>>> functionality.
>>>>>>> So, I would like to avoid names like z-layer.
>>>>>>>
>>>>>>> In fact the drawing studies (lines/rectangles/elipsses) can use
>>>>> both
>>>>>>> functionalities *independently*.
>>>>>>> The z-order defines the drawing order (above/below), while the
>>>>> layer
>>>>>>> controls visibility (on/off) depending on interval displayed.
>>>>>>> Having two as independent controls was intended and provided for
>>>>>>> maximum flexibility.
>>>>>>>
>>>>>>> If anyone has better ideas on naming conventions, they can be
>>>>> changed.
>>>>>>>
>>>>>>> For me "z-order" name represents actual functionality best. I
>>>>>>> have
>>>>>>> some doubts regarding "layer" word, because
>>>>>>> this old functionality actually is just visibility switch.
>>>>>>>
>>>>>>> Best regards,
>>>>>>> Tomasz Janeczko
>>>>>>> amibroker.com
>>>>>>> ----- Original Message -----
>>>>>>> From: "Dennis Brown" <see3d@xxx>
>>>>>>> To: <amibroker@xxxxxxxxxxxxxxx>
>>>>>>> Sent: Wednesday, February 18, 2009 3:01 AM
>>>>>>> Subject: Re: [amibroker] Plot() and z-order
>>>>>>>
>>>>>>>
>>>>>>>> Tomasz,
>>>>>>>>
>>>>>>>> Thanks for all the layers. I have already added them to my
>>>>> charts
>>>>>>>> (which removed a bunch of spaghetti code) and have generically
>>>>> used
>>>>>>>> up
>>>>>>>> all 11 already!
>>>>>>>>
>>>>>>>> Having plot Z-layers makes my AFL much more modular and the
>>>>> includes
>>>>>>>> are more complete.
>>>>>>>>
>>>>>>>> I just want to confirm that Gfx drawings plot above Z-layer 5
>>>>>>>> and
>>>>>>>> below Z-layer -5. This effectively adds one more Z-layers --
>>>>> since
>>>>>>>> you can't mix Gfx overlay modes in the same chart.
>>>>>>>>
>>>>>>>> It appears that shapes plot to Z-layer 0 of the specified layer
>>>>> (like
>>>>>>>> intraday layer). Plotting text seems to got to Z-layer 0, as
>>>>> well as
>>>>>>>> drawing text studies. Calling two different things "Layers"
>>>>>>>> may
>>>>>>>> cause
>>>>>>>> confusion, so we all should stick with Z-order or Z-layer to
>>>>>>>> make
>>>>> it
>>>>>>>> clear.
>>>>>>>>
>>>>>>>> For those who might wonder what to use all the Z-layers can be
>>>>> used
>>>>>>>> for, here is an example of how I apportioned them on my charts
>>>>> for
>>>>>>>> now
>>>>>>>> --all are used (and I could even use a few more):
>>>>>>>>
>>>>>>>> -6 Gfx mode 1 (I do not use)
>>>>>>>> -5 Bg fill area 1 (used for multiple overlapping bands layer
>>>>> settable
>>>>>>>> in each indicator)
>>>>>>>> -4 Bg fill area 2
>>>>>>>> -3 Bg fill area 3
>>>>>>>> -2 Bg fill area 4
>>>>>>>> -1 Ovals/Rectangles manual chart highlighting (default setting)
>>>>>>>> 0 Study lines (default setting), PlotText(), PlotShapes()
>>>>>>>> +1 Upper chart Volume bars, Middle chart Volume bars, Trade
>>>>> equity
>>>>>>>> histograms & lines
>>>>>>>> +2 Under price bar shadow areas
>>>>>>>> +3 Price bars/lines, -- stops & limits (plot under)
>>>>>>>> +4 Signal Ribbon displays at bottom of chart
>>>>>>>> +5 Lower overlapped Volume bars and Volume indicators, Volume
>>>>>>>> and
>>>>>>>> signal Ribbon grid lines
>>>>>>>> +6 Gfx mode 0 (8 pseudo "Z-layers" of Gfx button arrays)
>>>>>>>>
>>>>>>>> The beauty of Z-layers is that the calculation order is
>>>>>>>> decoupled
>>>>>>>> from
>>>>>>>> the plot order.
>>>>>>>>
>>>>>>>> The Gfx drawings do not have Z-order. It would be nice to have
>>>>> them,
>>>>>>>> but since my Gfx buttons can all be drawn at the end of the
>>>>>>>> AFL,
>>>>> it
>>>>>>>> is
>>>>>>>> inconvenient, but not too difficult to arrange for the fact
>>>>>>>> that
>>>>> the
>>>>>>>> detection order and the drawing order are reversed. It just
>>>>> means
>>>>>>>> that it is not completely modular with includes, and a bit
>>>>>>>> error
>>>>>>>> prone
>>>>>>>> from manual editing. I can live with it though.
>>>>>>>>
>>>>>>>> This is a major milestone for my charts.
>>>>>>>>
>>>>>>>> Best regards,
>>>>>>>> Dennis
>>>>>>>>
>>>>>>>> On Feb 15, 2009, at 4:12 AM, Tomasz Janeczko wrote:
>>>>>>>>
>>>>>>>>> Hello,
>>>>>>>>>
>>>>>>>>> With regard to 5.21.0 BETA new functionality
>>>>>>>>> "Plot, PlotForeign and PlotOHLC now have new parameter zorder
>>>>> which
>>>>>>>>> defines the Z-axis position of given plot. (FC#257)"
>>>>>>>>>
>>>>>>>>> It works correctly for PlotOHLC and PlotForeign.
>>>>>>>>> For Plot() function, the XShift parameter is incorrectly
>>>>>>>>> used as
>>>>> z-
>>>>>>>>> order.
>>>>>>>>> This will be fixed in 5.22.
>>>>>>>>>
>>>>>>>>> So if you need z-ordering for Plot(), please use PlotOHLC
>>>>> instead
>>>>>>>>> until 5.22 comes up.
>>>>>>>>>
>>>>>>>>> Thanks to Dennis for reporting this.
>>>>>>>>>
>>>>>>>>> Best regards,
>>>>>>>>> Tomasz Janeczko
>>>>>>>>> amibroker.com
>>>>
>>>>
>>>> ------------------------------------
>>>>
>>>> **** IMPORTANT PLEASE READ ****
>>>> This group is for the discussion between users only.
>>>> This is *NOT* technical support channel.
>>>>
>>>> TO GET TECHNICAL SUPPORT send an e-mail directly to
>>>> SUPPORT {at} amibroker.com
>>>>
>>>> TO SUBMIT SUGGESTIONS please use FEEDBACK CENTER at
>>>> http://www.amibroker.com/feedback/
>>>> (submissions sent via other channels won't be considered)
>>>>
>>>> For NEW RELEASE ANNOUNCEMENTS and other news always check DEVLOG:
>>>> http://www.amibroker.com/devlog/
>>>>
>>>> Yahoo! Groups Links
>>>>
>>>>
>>>>
>>>
>>>
>>> ------------------------------------
>>>
>>> **** IMPORTANT PLEASE READ ****
>>> This group is for the discussion between users only.
>>> This is *NOT* technical support channel.
>>>
>>> TO GET TECHNICAL SUPPORT send an e-mail directly to
>>> SUPPORT {at} amibroker.com
>>>
>>> TO SUBMIT SUGGESTIONS please use FEEDBACK CENTER at
>>> http://www.amibroker.com/feedback/
>>> (submissions sent via other channels won't be considered)
>>>
>>> For NEW RELEASE ANNOUNCEMENTS and other news always check DEVLOG:
>>> http://www.amibroker.com/devlog/
>>>
>>> Yahoo! Groups Links
>>>
>>>
>>>
>>
>>
>>
>> ------------------------------------
>>
>> **** IMPORTANT PLEASE READ ****
>> This group is for the discussion between users only.
>> This is *NOT* technical support channel.
>>
>> TO GET TECHNICAL SUPPORT send an e-mail directly to
>> SUPPORT {at} amibroker.com
>>
>> TO SUBMIT SUGGESTIONS please use FEEDBACK CENTER at
>> http://www.amibroker.com/feedback/
>> (submissions sent via other channels won't be considered)
>>
>> For NEW RELEASE ANNOUNCEMENTS and other news always check DEVLOG:
>> http://www.amibroker.com/devlog/
>>
>> Yahoo! Groups Links
>>
>>
>>
>
>
> ------------------------------------
>
> **** IMPORTANT PLEASE READ ****
> This group is for the discussion between users only.
> This is *NOT* technical support channel.
>
> TO GET TECHNICAL SUPPORT send an e-mail directly to
> SUPPORT {at} amibroker.com
>
> TO SUBMIT SUGGESTIONS please use FEEDBACK CENTER at
> http://www.amibroker.com/feedback/
> (submissions sent via other channels won't be considered)
>
> For NEW RELEASE ANNOUNCEMENTS and other news always check DEVLOG:
> http://www.amibroker.com/devlog/
>
> Yahoo! Groups Links
>
>
>
------------------------------------
**** IMPORTANT PLEASE READ ****
This group is for the discussion between users only.
This is *NOT* technical support channel.
TO GET TECHNICAL SUPPORT send an e-mail directly to
SUPPORT {at} amibroker.com
TO SUBMIT SUGGESTIONS please use FEEDBACK CENTER at
http://www.amibroker.com/feedback/
(submissions sent via other channels won't be considered)
For NEW RELEASE ANNOUNCEMENTS and other news always check DEVLOG:
http://www.amibroker.com/devlog/
Yahoo! Groups Links
<*> To visit your group on the web, go to:
http://groups.yahoo.com/group/amibroker/
<*> Your email settings:
Individual Email | Traditional
<*> To change settings online go to:
http://groups.yahoo.com/group/amibroker/join
(Yahoo! ID required)
<*> To change settings via email:
mailto:amibroker-digest@xxxxxxxxxxxxxxx
mailto:amibroker-fullfeatured@xxxxxxxxxxxxxxx
<*> To unsubscribe from this group, send an email to:
amibroker-unsubscribe@xxxxxxxxxxxxxxx
<*> Your use of Yahoo! Groups is subject to:
http://docs.yahoo.com/info/terms/
|