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Questions tagged [teechart]

TeeChart is a commercial set of powerful charting components originally written for Delphi. A basic component called TChart is included in every Delphi IDE supporting VCL and FireMonkey frameworks. TeeChart is also available for major languages: .NET Framework, Xamarin (including Android, iOS and Forms) Java (including Swing, SWT and Android), ActiveX, Javascript/HTML5 and PHP.

With TeeChart it is possible to draw, manipulate, print and export various kinds of charts. This includes Bar, Line, Pie, financial charts of different kinds and a lot of more sophisticated graphs in 2D and 3D. Rendering is possible on a Canvas and also with OpenGL.

TeeChart is developed by Steema Software: http://www.steema.com/

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repaint canvas onclick event using Teechart

I have a sample code here to draw randomly generated signal on a canvas using Teechart. I have defined 2 canvas sections. One is generating the signal for 10000 samples. Whereas second canvas bar is depicting the preview of the main canvas. However,…
bhapri
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Steema TeeBI with C++Builder

I'm trying to use Steema TeeBI Business Intelligence framework with Embarcadero C++Builder in RADStudio 10.2.2. Converting the Delphi example in this page: http://teechart.net/docs/teebi/tutorials/Using-the-API/ when I try to translate this…
Nemo
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Set static space between custom axes

I have to have static space (lets say 20 px) between axes. If I have more axes on the left, it is possible to set their StartPosition and EndPosition in pixels or in percents. For pixels setting - is there some way, how I can get the height of the…
Artholl
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Can this handle 100.000 values?

I have a problem with Teechart for javascript. I want to use Teechart in our homepage to show a line graph with ~500.000 values. My code works up to 100.000 values and after this a get an error "Maximum call stack size exceeded" teechart.js:72…
Michael Fischer
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Get TChartSeries at XY Point in TChart

I'm using the TChart control that comes with Delphi 7 and wish to get the Series and Value # of the line/bar under the mouse pointer. I'm aware of the OnClickSeries event which provides great info but I really want this info when I hover over a…
CodeAndCats
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Optimizing TCHart drawing in Delphi 7

My previous question had some great input, but it didn't work for me because my problem seems to be Delphi 7 related. I have a chart with a single series (TFastLineSeries) and 3,600 datapoints which is taking up to 45 seconds to draw. Others have…
Mawg says reinstate Monica
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Set TeeChart colorLine Visibility

Is there a way to programmatically hide a colorLine tool in TeeChart .NET? There is no Visible property and setting Active to false still leaves it visible.
KLogan
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Cursor position not aligned with mouse click event

we are working on getting the cursor pointer aligned with the mouse click on a canvas where we are implementing Teechart libraries to implement waveform. Recently I have made changes to apply bootstrap framework in order to make canvas responsive.…
prbnk
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Can TChart create a cylinder/pipe/tube with surface coloring similar to the TColorGridSeries

Environment RAD Studio 10.1 Berlin using Delphi TeeChart Pro v2017.22 170619 IntraWeb 14.1.14 I am creating a Web Page using IntraWeb to display various images. One of these, recently requested, is a 3D pipe/tube image with a surface color…
Bob
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TDBChart Incorrect/Omitted X-Axis values

I'm displaying the the amount of people attending movie shows on the TDBChart the date of the show is the X-axis and the amount of people are the Y-axis. The split between different movies are represented by the stacked column. I achieve this by…
epep
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Delphi + TeeChart : how can I get checkbox in legend for pie serie values?

I want to allow the user to choose what values are shown in a chart with a pie serie values by displaying a check box in front of each serie's value. There is an option to display a checkbox near each legend item but it's only working for series,…
Jean-Louis Senegas
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Delphi TChart - How to get a series index from x,y mouse coordinates without clicking on it

I´m writing a new method fired at "OnEndDrag" Event of a TChart standard on Delphi XE7. I need to know which series the object was dragged to, to perform some actions on a dataset linked to it. I´m getting the correct xy positions with the event…
Leo Bruno
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PHP TeeChart memory consumption

I've been testing creating charts in teechart for PHP using a while loop to create multiple charts via a function: while () { create_my_chart(); } After 14 iterations of this I'm getting the following error: "Fatal error: Allowed memory size of…
KDavies
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TeeChart C# Points series custom width

The TeeChart Points series has the GetPointerStyle event can be used to change the color and the style of each point of the series, but there is a way to change the width property of each point of the series?
Filodo
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TeeChart for .NET 2016 and TeeChart for .NET 2006

Our customer has purchased the TeeChart for .NET 2016 this Nov. And now they got the questions below: They found out that the chart is more unclear than the TeeChart 2006. 2016 2006 Is it possible to let the code is the same as TeeChart 2006…
Linksoft-Tania
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