Excuse me for being slow, but where do I find this update? I haven't
figured all this out.
Dave
On 7/30/2011 2:47 AM, Alexander Klenin wrote:
On Fri, Jul 29, 2011 at 18:34, Alexander Kleninkle...@gmail.com wrote:
On Fri, Jul 29, 2011 at 16:45, David M. Lawrenced...@fuzzo.com wrote:
On Mon, Aug 1, 2011 at 04:52, David M. Lawrence d...@fuzzo.com wrote:
Excuse me for being slow, but where do I find this update? I haven't
figured all this out.
http://wiki.lazarus.freepascal.org/Getting_Lazarus
--
Alexander S. Klenin
--
___
On Fri, Jul 29, 2011 at 18:34, Alexander Klenin kle...@gmail.com wrote:
On Fri, Jul 29, 2011 at 16:45, David M. Lawrence d...@fuzzo.com wrote:
Out-of-bounds data points would be clipped. In my case, I determined my
max/min limits empirically by scanning global temperature and precipitation
On Fri, Jul 29, 2011 at 16:45, David M. Lawrence d...@fuzzo.com wrote:
Out-of-bounds data points would be clipped. In my case, I determined my
max/min limits empirically by scanning global temperature and precipitation
records. There should be no out-of-bounds points -- on Earth, anyway. If
The linear transform worked -- I finally figured out how to implement
it. The chart is almost where it should be, except for the X-axis
labels. I need to dynamically define which of two options to use:
J F M A M J J A S O N D (MnthNHLabels) for northern hemisphere sites, and
J A S O N D J F M
On Fri, Jul 29, 2011 at 18:42, David M. Lawrence d...@fuzzo.com wrote:
The linear transform worked -- I finally figured out how to implement it.
The chart is almost where it should be, except for the X-axis labels. I
need to dynamically define which of two options to use:
J F M A M J J A S O
On Thu, Jul 28, 2011 at 14:32, David M. Lawrence d...@fuzzo.com wrote:
Was the 2nd-Y axis patch (No. 13832;
http://bugs.freepascal.org/view.php?id=13832) ever incorporated into the
Lazarus/TAChart release? I'm new to Lazarus and don't quite know how to
interpret the bugtracker page. I do
into the
Lazarus/TAChart release? I'm new to Lazarus and don't quite know how to
interpret the bugtracker page. I do know that I cannot find some of the
changes mentioned in the patches -- such as for TAGraph -- in the latest
version of TAGraph.
The changes were not taken literally. Instead, I have
On Fri, Jul 29, 2011 at 01:04, David M. Lawrence d...@fuzzo.com wrote:
I have tried to deconstruct the code in the demo, but cannot understand it
works, and my efforts to copy the code end in unspecified access violations.
What do you mean by unspecified? Did they happen inside TAChart code?
If
No, they happened when I tried to plot the chart. I couldn't figure out
how to implement the auto-scaling transformation from the demo. For
example, I see catTAuto listed as a transformation in the object
inspector and listed as a property in the axisdemo main.pas, but cannot
find any code
Please, do not top-post. It makes it very hard to read and reply to
your messages.
On Fri, Jul 29, 2011 at 15:56, David M. Lawrence d...@fuzzo.com wrote:
No, they happened when I tried to plot the chart. I couldn't figure out how
to implement the auto-scaling transformation from the demo. For
On 7/29/2011 1:21 AM, Alexander Klenin wrote:
Please, do not top-post. It makes it very hard to read and reply to
your messages.
On Fri, Jul 29, 2011 at 15:56, David M. Lawrenced...@fuzzo.com wrote:
No, they happened when I tried to plot the chart. I couldn't figure out how
to implement the
Was the 2nd-Y axis patch (No. 13832;
http://bugs.freepascal.org/view.php?id=13832) ever incorporated into the
Lazarus/TAChart release? I'm new to Lazarus and don't quite know how to
interpret the bugtracker page. I do know that I cannot find some of the
changes mentioned in the patches
2011/4/19 Miguel A. Risco mris...@gmail.com:
Hi All, I found a possible Bug in TAChart component. Lazarus v0.9.30.1
SVN:3056 on Windows 7 x64
Create a Project with a TChart and TButton controls, add a TLineseries and
TUserDefinedChartSource with some points, select the last one as source for
) then exit; in the
TASeries.pas unit then the series is drawing properly.
Best regards
Miguel.
-Mensaje original-
De: Alexander Klenin [mailto:kle...@gmail.com]
Enviado el: martes, 19 de abril de 2011 01:14 a.m.
Para: Lazarus mailing list
Asunto: Re: [Lazarus] TAChart possible Bug: Series
Calling ds.Reset make the fix. I also think that Reset could be called by
EndUpdate.
Thank you
Miguel
-Mensaje original-
De: Alexander Klenin [mailto:kle...@gmail.com]
Enviado el: martes, 19 de abril de 2011 02:04 a.m.
Para: Lazarus mailing list
Asunto: Re: [Lazarus] TAChart possible
On Tue, Apr 19, 2011 at 18:15, Miguel A. Risco mris...@gmail.com wrote:
Calling ds.Reset make the fix. I also think that Reset could be called by
EndUpdate.
Done in r30379
--
Alexander S. Klenin
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Hi All, I found a possible Bug in TAChart component. Lazarus v0.9.30.1
SVN:3056 on Windows 7 x64
Create a Project with a TChart and TButton controls, add a TLineseries and
TUserDefinedChartSource with some points, select the last one as source for
the serie. Define a Var array of real and
Hello,
I'm looking for a tutorial for TAChart. I started looking at the examples,
but there are many things that are made in the OI that I do not understand
them, and I can not find any documentation on them, so a tutorial can really
help.
Thanks,
Ido
LINESIP - Opening the source for
2011/3/28 ik ido...@gmail.com:
I'm looking for a tutorial for TAChart. I started looking at the examples,
but there are many things that are made in the OI that I do not understand
them, and I can not find any documentation on them, so a tutorial can really
help.
Unfortunately, there is no
On Mon, 28 Mar 2011, Alexander Klenin wrote:
2011/3/28 ik ido...@gmail.com:
I'm looking for a tutorial for TAChart. I started looking at the examples,
but there are many things that are made in the OI that I do not understand
them, and I can not find any documentation on them, so a tutorial
On Mon, Mar 28, 2011 at 22:33, michael.vancann...@wisa.be wrote:
[Rant: It is currently stalled since fpdoc is broken, and FPC team
rejected my patch to fix it]
Well, fpdoc is not broken. It simply doesn't support generics. It would be
broken if it claimed to support generics and did not.
On Mon, Mar 28, 2011 at 23:05, Alexander Klenin kle...@gmail.com wrote:
On Mon, Mar 28, 2011 at 22:33, michael.vancann...@wisa.be wrote:
[Rant: It is currently stalled since fpdoc is broken, and FPC team
rejected my patch to fix it]
Well, fpdoc is not broken. It simply doesn't support
On Mon, 28 Mar 2011, Alexander Klenin wrote:
On Mon, Mar 28, 2011 at 23:05, Alexander Klenin kle...@gmail.com wrote:
On Mon, Mar 28, 2011 at 22:33, michael.vancann...@wisa.be wrote:
[Rant: It is currently stalled since fpdoc is broken, and FPC team
rejected my patch to fix it]
Well,
Alexander Klenin schrieb:
The user reports an axis drawing bug in TAChart:
http://www.lazarus.freepascal.org/index.php/topic,11893.0.html
However, I can not reproduce in neither on Win32 nor on Gtk2/Win.
So can somebody with Gtk/Linux try to reproduce?
I compiled your attached project
The user reports an axis drawing bug in TAChart:
http://www.lazarus.freepascal.org/index.php/topic,11893.0.html
However, I can not reproduce in neither on Win32 nor on Gtk2/Win.
So can somebody with Gtk/Linux try to reproduce?
--
Alexander S. Klenin
--
TAChart component has undergone substantial changes in Lazarus 0.9.30:
http://wiki.freepascal.org/Lazarus_0.9.30_release_notes#TAChart
I would like to ask TAChart users, especially those who
requested features, to test that their features still work in release
version ;-)
There are currently
Hello Alexander,
Sunday, October 3, 2010, 6:07:54 AM, you wrote:
DataPoints.Strings = (
'January|18000|?|January'
'June|22000|?|June'
AK As a separate note, I'd like to point out that using DataPoints property
AK in not an efficient way to fill the ListChartSource at run-time.
AK Use
Hello Lazarus-List,
Saturday, October 2, 2010, 5:34:56 AM, you wrote:
How can I create this with TAChart ? It only allows me numerical
values in both coordinates, or I was unable to find how to indicate
that X axis is autoincrement.
AK You should set BottomAxis.Marks.Source property to an
Hello Lazarus-List,
I need to create a chart like:
5*
4
3 *
2 *
1 *
ONE TWO THREE FOUR
My source data is a database with 2 fields:
X = string
Y = integer
How can I create this with TAChart ? It only allows me numerical
values in both coordinates, or I
On Sat, Oct 2, 2010 at 10:33, José Mejuto joshy...@gmail.com wrote:
Hello Lazarus-List,
I need to create a chart like:
5 *
4
3 *
2 *
1 *
ONE TWO THREE FOUR
My source data is a database with 2 fields:
X = string
Y = integer
How can I create this
On Sun, Jun 6, 2010 at 09:46, Rick r...@sloservers.com wrote:
Alexander Klenin wrote:
This is yet another long-standing todo item.
That was actually on the list? And here I thought I was the only one using
TAChart in such perverse ways...
This is the last time it was brought up:
On 6/4/2010 19:05, Rick wrote:
Thanks for the feedback
np :)
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http://lists.lazarus.freepascal.org/mailman/listinfo/lazarus
2010/6/5 Rick r...@sloservers.com:
Well of course I don't look at the entire graph at once. I zoom in to maybe
10 or 20 points at
a time and use a scroll bar the pan the chart. It's a run of data that I
captured from a
logic analyzer. So when I'm zoomed-in, there's an appreciable
Alexander Klenin wrote:
This is yet another long-standing todo item.
That was actually on the list? And here I thought I was the only one
using TAChart
in such perverse ways...
[I should publish my todo list somewhere... maybe as feature requests
on issue tracker?]
That's as good a
Alexander Klenin wrote:
BTW, did you test events for TDataPointDragTool?
I have implemented a different set of events than
you suggested -- are they enough for your use case?
The mailing list seems to be running really slow lately, almost as if
it's only processing mail in nightly batches.
On Thu, Jun 3, 2010 at 18:02, Rick r...@sloservers.com wrote:
The mailing list seems to be running really slow lately, almost as if
it's only processing mail in nightly batches.
Are you sure it is not a problem on your side?
I do not seem to notice a large delays for mails in other threads.
Alexander Klenin wrote:
Are you sure it is not a problem on your side?
I do not seem to notice a large delays for mails in other threads.
I just sifted through the mail headers of a message I received from the
list.
It looks like the message queues on the list server in Austria at the
On Sat, Jun 5, 2010 at 00:02, Rick r...@sloservers.com wrote:
I'm having a little bit of trouble with my axis labels. TAChart seems to
only want to display even numbers on the horizontal axis, for example.
Even when I use a custom source and set it to X values, it only shows
the even numbers.
Alexander Klenin wrote:
With linedemo:
1) Add TListChartSource component
2) Edit its DataPoints property, enter 1,2,...,10 on a separate lines
3) Set Marks.Source for bottom axis to that source
4) Set Marks.Style to smsXValue
Of course, you can use UserDefinedSource instead for better
On 6/4/2010 06:26, Alexander Klenin wrote:
On Thu, Jun 3, 2010 at 18:02, Rickr...@sloservers.com wrote:
The mailing list seems to be running really slow lately, almost as if
it's only processing mail in nightly batches.
Are you sure it is not a problem on your side?
I do not seem to notice
I had the problem for about the last three days, but it seems cleared up
today.
So we seem to have established that other people have been receiving
mail fine,
which rules out a problem with the list server itself. Meanwhile, my
server is
receiving mail from elsewhere but no connection
I was able to use axis transformations/linear offset to stack several
series vertically as we discussed.
I discovered an issue with area series and linear transformation, however.
I expected area series to shade the area between the horizontal axis and
graph. Instead, it appears to
fill the
On Sun, May 30, 2010 at 15:57, Rick r...@sloservers.com wrote:
Alexander Klenin wrote:
My current thinking is that it should be a simple comma-separated list
of series indexes, but that seems somewhat un-Pascalish,
so maybe you have a better idea?
I'm too new to Pascal and Lazarus to be of
Alexander Klenin wrote:
Yes, I wanted to ask you the very same question ;-)
The reason I did not implement it immediately is that I am not quite
sure about the
format of said property and how should it refer to the series.
My current thinking is that it should be a simple comma-separated list
of
[oops, this went out from the wrong email address the first time I tried
to send. Let me try this again, with the address I'm subscribed under]
I'm using a snapshot version of Lazarus, so I have the latest updates to
TAchart including tatools.
I only mention it since it may affect the answers
On Sat, May 29, 2010 at 17:00, Rick r...@sloservers.com wrote:
There are several things I'd like to do with tachart that I have not yet
been able to figure out how to do.
Easy one: how can I change the thickness and color of the reticule?
Not so easy, unfortunately.
Currently, you can hack in
Alexander Klenin wrote:
So let's take you as a representative sample ;-)
Do you feel it is justified to remove these
properties to get multiple reticules and TReticule.Pen property instead?
As I was browsing through the code last night, I was actually surprised
that the reticule pen property
Alexander Klenin wrote:
so I implemented it now -- see TConstantLineDragTool
and toolsdemo at r25751
I just checked it out and played with the demo.
WOW! I like :) The tools add-on was a brilliant idea, if these recent
tools are any indication.
I tried vertical and horizontal lines,
On Sun, May 30, 2010 at 14:02, Rick r...@sloservers.com wrote:
I am concerned about one thing, though: It looks like the tool will move
ANY TConstantLine series
on the chart. I would suggest a property in the drag tool that is a list of
movable lines. Perhaps
if empty, the default could
On Sun, May 30, 2010 at 12:13, Rick r...@sloservers.com wrote:
Alexander Klenin wrote:
As I was browsing through the code last night, I was actually surprised that
the reticule pen property
was not already made public in TAChart. I'll have the check out the
LineDragTool--it sounds like it
I had problems with values returned by OnDrawReticule event. Always returns
values from last series defined on my object.
I explore this component and I found this:
procedure TReticuleTool.MouseMove(APoint: TPoint);
.
.
.
for i := 0 to FChart.SeriesCount - 1 do
if
2010/5/20 Jorge López loval.jlo...@gmail.com:
I had problems with values returned by OnDrawReticule event. Always returns
values from last series defined on my object.
I explore this component and I found this:
[fix skipped]
Is that correct?
Yes, thanks for noticing. You are probably the
On Sat, Apr 24, 2010 at 05:46, Andrea Mauri andrea.mauri...@gmail.com wrote:
dear all, dear alexander,
it seems that the onmousemove event is no more fired on tachart.
Lazarus 0.9.29 r24858 FPC 2.4.0 i386-win32-win32/win64
I tested using dragdrop demo and it works for me.
Can you post a test
On Tue, Apr 27, 2010 at 23:41, Andrea Mauri andrea.mauri...@gmail.com wrote:
Anyway simply put a tchart on a form and two label (label1 and label2) then
put this code in the mousemove event:
procedure TForm1.Chart1MouseMove(Sender: TObject; Shift: TShiftState; X,
Y: Integer);
begin
Il 27/04/2010 15.51, Alexander Klenin ha scritto:
Indeed. This is related to the new toolset code.
Please try r25005.
ok, it works. thanks.
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On Wed, Jan 13, 2010 at 00:07, Andrea Mauri andrea.mauri...@gmail.com wrote:
1) Store original index in Label field.
Dear Alexander I used this workaround to solve my problem. Actually I am so
late in my job that I cannot explore the other options.
Ok, thanks for the feedback.
On Thu, Dec
Dear all, dear Alexander,
I saw in tachart source code that adding points to a serie they are kept
ordered by X coordinate.
There is any reason for that?
Taken from source:
// We keep data points ordered by X coordinate.
// Note that this leads to O(N^2) time except
// for the case of
I want to start documenting TAChart components.
How should I proceed? Where should I put it?
In the light of recent help discussion, what tool/format should I use --
lazde, lhelp, that new tool Greame is writing?
--
Alexander S. Klenin
--
___
Lazarus
Alexander Klenin schreef:
I want to start documenting TAChart components.
How should I proceed? Where should I put it?
In the light of recent help discussion, what tool/format should I use --
lazde, lhelp, that new tool Greame is writing?
You should use fpdoc format. You can edit that lazde
On Fri, Oct 9, 2009 at 03:47, Vincent Snijders
vsnijd...@vodafonevast.nl wrote:
Alexander Klenin schreef:
I want to start documenting TAChart components.
How should I proceed? Where should I put it?
In the light of recent help discussion, what tool/format should I use --
lazde, lhelp, that
Alexander Klenin schreef:
On Fri, Oct 9, 2009 at 03:47, Vincent Snijders
vsnijd...@vodafonevast.nl wrote:
Alexander Klenin schreef:
I want to start documenting TAChart components.
How should I proceed? Where should I put it?
In the light of recent help discussion, what tool/format should I use
Vincent Snijders schreef:
In a subdirectory under lazarus/components/tachart, for example doc or
fpdoc. I don't know if we already have fpdoc xml files for packages in
or tree. Don't forget to enter the directory in Package Editor -
Options - IDE integration - FPDoc files path.
On Sat, Oct 3, 2009 at 09:33, Pierre dpli...@free.fr wrote:
I made the test with the line. It works :-)
Do you know why it's not implemented in area type?
No particular reason -- just nobody requested it.
Implemented in r22011-22012
I was also thinking to create my own type based on the area
Hi all,
I'm trying to use the TAChart under 0.9.28.1 (I downloaded
Lazarus-0.9.28.1-21932-fpc-2.2.4-20091001-win32.exe).
I have a problem the OnDrawReticule event. It's never called :(
I take a look at the source and I find that in the UpdateReticule procedure
(line 914 of TAGraph) the
Hi Alexander,
I made the test with the line. It works :-)
Do you know why it's not implemented in area type?
I was also thinking to create my own type based on the area type but without
the vertical line from the point to YMin (to draw the polygon without the
border) but without this event
Currently, they are drawn below points with negative Y and above others.
This is intended to reduce clutter, and is absolutely required for
bar series -- but maybe it was not a good idea for line series, I am not sure.
I was misunderstood. With below I intend that marks are drawn back the
I see. This is a borderline case, probably too exotic to be included
in the general component.
Still, if you have inclination to work on a patch, I would suggest to change
TLineSeries.ShowLines property from boolean to enumeration
(slNone, slFromPrevious, slFromOrigin).
I created a patch
2009/9/24 Andrea Mauri andrea.mauri...@gmail.com:
Still, if you have inclination to work on a patch, I would suggest to change
TLineSeries.ShowLines property from boolean to enumeration
(slNone, slFromPrevious, slFromOrigin).
I created a patch (attached) introducing the property TLineType
2009/9/24 Andrea Mauri andrea.mauri...@gmail.com:
I was misunderstood. With below I intend that marks are drawn back the
points, and points over marks.
I try again to attach two images, one from TAChart and one from Steema
TChart. You can see that in TAChart points are visible and marks are
wow. fast!
Alexander Klenin ha scritto:
On Tue, Sep 22, 2009 at 23:11, Andrea Mauri andrea.mauri...@gmail.com wrote:
dear all,
I have a question about BorderSpacing in TAChart.
At design time I can anchor the chart and set the Border (Around) using the
anchors editor. I can see the effect
On Wed, Sep 23, 2009 at 20:58, Andrea Mauri andrea.mauri...@gmail.com wrote:
Do you have some concrete proposal to reduce overlapping?
Looking at TeeChart from Steema (an old version, Delphi 6 ;) ) I noticed two
things.
1. Marks are drawn over the points (the serie) and not below.
Currently,
I tested the dragdrop demo. It works well anyway I have some
questions/doubts about how marks are showed.
1. If the point is on the border of the chart the mark is not fully
visible.
2. I have charts with a lot of points, the marks are shown below the
points, so often the marks are not fully
dear all,
I have a question about BorderSpacing in TAChart.
At design time I can anchor the chart and set the Border (Around) using
the anchors editor. I can see the effect on the form at design time but
if I run the project the effect of the around border disappears (like if
Around border is
On Tue, Sep 22, 2009 at 21:36, Andrea Mauri andrea.mauri...@gmail.com wrote:
1. If the point is on the border of the chart the mark is not fully visible.
You can increase Margins.Left and Margins.Right properties to avoid that.
2. I have charts with a lot of points, the marks are shown below
Dear all,
I am using TAChart and I would like to see the mark of a point when the
point is clicked or the mouse is over it.
Actually I do it using tchart.hint, TChartMouseMove event and
GetNearestPoint function. In this way I show an hint any time the mouse
pass over a point. Is it possible to
On Mon, Sep 21, 2009 at 23:39, Andrea Mauri andrea.mauri...@gmail.com wrote:
Dear all,
I am using TAChart and I would like to see the mark of a point when the
point is clicked or the mouse is over it.
Actually I do it using tchart.hint, TChartMouseMove event and
GetNearestPoint function. In
I use trunk version of lazarus so I will check it.
thanks,
andrea
Alexander Klenin ha scritto:
On Mon, Sep 21, 2009 at 23:39, Andrea Mauri andrea.mauri...@gmail.com wrote:
Dear all,
I am using TAChart and I would like to see the mark of a point when the
point is clicked or the mouse is over
Hello,
What kind is license of TAChart ? I'm asking because LGPL force using
shared library which is still impossible with LCL to put it into dll/so.
Also would be nice to integrate chart with lazreport as additional object.
Do I properly assume that any Lazarus program using tachart package
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