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Tag Archives: algorithms
Brighten pixels in an image in C#
Sometimes when I take a picture, the poor lighting makes some pixels come out less brightly than I would like. For example, in the picture on the right the red raspberries aren’t very red. This example lets you brighten pixels. … Continue reading
Posted in algorithms, graphics, image processing
Tagged algorithms, brighten pixels, C#, C# programming, example, example program, graphics, image processing, Windows Forms programming
1 Comment
Perform binary contrast enhancement more quickly in C#
The example Perform binary contrast enhancement interactively in C# lets you convert an image into completely black and white pixels depending on their brightness. Pixels that are brighter than a given cutoff value are converted into white. Those that are … Continue reading
Make a blended composite image in C#
The other day I wanted to do something that all of us do from time to time: make a composite image with the Eye of Sauron on top of another picture. This turned out to be a bit more complicated … Continue reading
Pingback: Code Project post “Clipping Plane in WPF 3D”
The Code Project post Clipping Plane in WPF 3D by charles922 references a couple of my WPF 3D posts. His post explains several WPF 3D concepts including; Manger sponges (refers to my post Use a dictionary to draw a 3D … Continue reading
Posted in 3D, 3D graphics, algorithms, books, drawing, graphics, mathematics, wpf, XAML
Tagged 3D, 3D graphics, algorithms, books, C#, C# programming, drawing, example, example program, graphics, mathematics, three-dimensional graphics, Windows Forms programming, WPF, XAML
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Sprialize an image in C#
This example shows how to spiralize an image. By spiralize I mean shade pieces of the picture with different colors so the colored areas for a spiral as shown in the picture. This could be a difficult problem. Fortunately I’ve … Continue reading
Fill a target area found by trilateration in C#
The post Perform trilateration in C# explains how a C# program can use trilateration to find an area where a target point lies. This post explains how you can draw that area. The Target Area The target area found by … Continue reading
Posted in algorithms, geometry, mathematics
Tagged algorithms, C#, C# programming, example, example program, geometry, mathematics, trilateration, Windows Forms programming
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Perform trilateration in C#
This post explains how a C# program can use trilateration to locate a point that is known distances from three other points. Trilateration is somewhat similar to triangulation, so following two sections begin by explaining what triangulation and trilateration are. … Continue reading
Posted in algorithms, geometry, mathematics
Tagged algorithms, C#, C# programming, example, example program, geometry, mathematics, trilateration, Windows Forms programming
1 Comment
Draw many circles that intersect two points in C#
As I mentioned in my earlier post Connect two points with elliptical arcs in C#, an infinite number of circles (or ellipses) can pass through two points. This example draws some of them to produce an interesting pattern. This example … Continue reading
Posted in algorithms, drawing, graphics, mathematics
Tagged algorithms, C#, C# programming, circles, drawing, example, example program, graphics, mathematics, points, Windows Forms programming
1 Comment
Create a Contain FillMode for filling polygons in C#
The example Understand fill modes in C# showed how the Alternate and Winding FillMode values affect the result when you fill a self-intersecting polygon. In many cases, the Alternate FillMode leaves holes in a self-intersecting polygon while the Winding FillMode … Continue reading
Posted in algorithms, drawing, graphics
Tagged algorithms, C#, C# programming, drawing, example, example program, FillMode, graphics, polygon, polygon fill, self-overlapping polygon, Windows Forms programming
2 Comments