Zoom and Scroll 2D Charts in Mobile

Some time ago, we wrote a post about using Delphi Gestures with TeeChart. It covered 3D Charts and showed how we can use TGestureManager to modify ZoomFloat, ElevationFloat and RotationFloat properties of the TChart. This technique still works perfectly nowadays and the same concept can be applied to 2D charts. We just need to modify […]

Read More

What’s New in TeeChart VCL/FMX v2015.16

Build 2015.16.150901 Release September 2015 This technical document describes all changes made to TeeChart component library (FireMonkey and VCL versions) since the release of April 2015.   New Supported IDEs Embarcadero RAD Studio 10 Seattle. Full support for Delphi and C++ Builder 10 Seattle for all platform projects.   ‘Detail’ property Series ‘master-detail’ functionality, with […]

Read More

TeeBI teaser

Small teaser of TeeBI. This is the custom web server calculating a query and returning a chart. The only dependencies are TeeChart and Indy http web server component. Data is in column-oriented, memory-based custom format for speed reasons, no database or FireDac, etc are necessary. Data is imported from many sources (excel, text files, firedac […]

Read More

Delphi Gestures with TeeChart

Since Embarcadero introduced touch screen support, the way gestures are being handled has evolved. Now that we are in the RAD Studio XE8 days, it has become pretty straightforward as documented in their “Gesturing Overview” article. That article lays out the foundation on how to work with touch gestures and controls. Applying that to TeeChart, means we’ll need … Continue reading Delphi Gestures with TeeChart

Read More

Clustering visualization

TeeChart Pro includes classes and components to perform “clustering” on your data, and optionally visualize the results using a chart “Tool” component. Clustering is the process of grouping data automatically, according to how well related are the individual items. As an unsupervised algorithm, its widely used in data-mining / machine-learning / B.I. (Business Intelligence) applications. […]

Read More