By Jack Xu
Creating second and 3D charts is likely one of the most typical makes use of of special effects. Such charts may have vast functions in representing mathematical, actual, and financial features on your lifestyle. no matter if you're an engineer, a quantitative analyst, a instructor, or a scholar, you'll prove facing charting functions to a couple degree.
Windows Presentation starting place (WPF) is a next-generation snap shots platform that permits you to construct complicated person interfaces incorporating files, media, 2nd and 3D photos, and animations. it's an excellent improvement software which will not just generate info, but additionally simply characterize facts graphically.
Practical WPF Charts and Graphics presents the entire instruments it is very important enhance expert chart and pix purposes in WPF and C#. This booklet can be precious for WPF and C# programmers of all ability degrees, supplying an entire and entire rationalization of WPF's pictures strength and the construction of assorted charts, and paying particular realization to the main points of code implementation.
Read or Download Practical WPF Charts and Graphics: Advanced Chart and Graphics Programming with the Windows Presentation Foundation PDF
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Extra info for Practical WPF Charts and Graphics: Advanced Chart and Graphics Programming with the Windows Presentation Foundation
Cos(theta); tm = new Matrix(1, 0, 0, 1, dx, dy); sm = new Matrix(sx, 0, 0, sy, 0, 0); rm = new Matrix(cos, sin, -sin, cos, 0, 0); 21 CHAPTER 2 ■ 2D TRANSFORMATIONS The matrix tm is a translation matrix that moves an object by 3 units in the X direction and by 2 units in the Y direction. 5 in the Y direction. The final matrix rm is a rotation matrix that rotates an object 45 degrees about the origin. In addition to the properties of these six matrix elements, there are four other public properties associated with matrices: • Determinant – Gets the determinant of the Matrix structure.
A perpendicular line in WPF. Object Transformations in WPF In the previous sections, we discussed the Vector and Matrix structures as well as their operations in WPF. The Matrix structure can be applied to a Point or a Vector object. However, if you want to apply 2D transforms to objects or coordinate systems, you need to use the Transform classes. In WPF, there are five derived classes that can be used to perform specific transforms on objects: 36 • ScaleTransform – Scales an object in both the X and Y directions.
As shown in Figure 2-7, for a given line segment (the solid line) specified by two end points, (x1, y1) and (x2, y2), we want to find a perpendicular line segment (the dashed line) at one end (for example, at Point(x2, y2)) of the original line segment. 31 CHAPTER 2 ■ 2D TRANSFORMATIONS Figure 2-7. Creating a perpendicular line for a given line segment. Open the project Transformation2D and add a new WPF Window to the project. Name this new Window PerpendicularLine. Top="55">Point4 This XAML code creates a user interface that allows you to specify the end points of the line and the length of the perpendicular line segment.