-
Recent Books:
![[Essential Algorithms, Second Edition]](http://www.csharphelper.com/essential_algs_2e_158_200.jpg)
![[WPF 3d, Three-Dimensional Graphics with WPF and C#]](http://www.csharphelper.com/wpf3d_160_200.png)
![[The C# Helper Top 100]](http://www.csharphelper.com/top100_161_200.png)
![[Interview Puzzles Dissected]](http://www.csharphelper.com/interview_puzzles_161_200.jpg)
-
Recent Posts
-
Recent Comments
Archives
- April 2020
- March 2020
- February 2020
- January 2020
- December 2019
- November 2019
- October 2019
- September 2019
- August 2019
- July 2019
- June 2019
- May 2019
- April 2019
- March 2019
- February 2019
- January 2019
- December 2018
- November 2018
- October 2018
- September 2018
- August 2018
- July 2018
- June 2018
- May 2018
- April 2018
- March 2018
- February 2018
- January 2018
- December 2017
- November 2017
- October 2017
- September 2017
- August 2017
- July 2017
- June 2017
- May 2017
- April 2017
- March 2017
- February 2017
- January 2017
- December 2016
- November 2016
- October 2016
- September 2016
- August 2016
- July 2016
- June 2016
- May 2016
- April 2016
- March 2016
- February 2016
- January 2016
- December 2015
- November 2015
- October 2015
- September 2015
- August 2015
- July 2015
- June 2015
- May 2015
- April 2015
- March 2015
- February 2015
- January 2015
- December 2014
- November 2014
- October 2014
- September 2014
- August 2014
- July 2014
- June 2014
- May 2014
- February 2014
- January 2014
- December 2013
- October 2013
- August 2013
- June 2013
- December 2012
- September 2012
- July 2012
- June 2012
- November 2011
- May 2011
- April 2011
- February 2011
- December 2010
Categories
- .NET
- 3D
- 3D graphics
- ADO.NET
- algorithms
- animation
- API
- arrays
- attributes
- audio
- books
- C#
- C# programming
- calculations
- challenges
- classes
- clipboard
- coding
- combinatorics
- console
- controls
- cryptography
- curve fitting
- database
- debugging
- dialogs
- directories
- Drag and Drop
- drawing
- drawings
- enums
- Event
- events
- example program
- Excel
- extension methods
- extensions
- files
- finance
- fonts
- formatting
- forms
- fractals
- ftp
- games
- GDI+
- generic
- geometry
- globalization
- graphics
- html
- IDE
- image processing
- inheritance
- interfaces
- internationalization
- internet
- interoperability
- LINQ
- lists
- localization
- mathematics
- memory
- menus
- MessageBox
- methods
- miscellany
- multimedia
- network
- Office
- OOP
- operators
- parsing
- performance
- phone
- PowerPoint
- printers
- printing
- productivity
- programs
- puzzles
- recursion
- reflection
- registry
- regular expressions
- serialization
- settings
- SQL
- stories
- strings
- syntax
- system
- threading
- three-dimensional graphics
- tips
- tools
- transformations
- Uncategorized
- user interface
- variables
- VBA
- web
- Windows Forms programming
- WMI
- Word
- wpf
- XAML
- XML
Meta
Category Archives: geometry
Find hexes a certain distance from a target hex in C#
My post Draw a hexagonal grid in C# shows how you can draw a grid made up of hexagons. This post shows how you can find the hexes that are a given distance N from a target hex. Basic Idea … Continue reading
Posted in algorithms, drawing, geometry, graphics, mathematics
Tagged algorithms, C#, C# programming, drawing, example, example program, geometry, graphics, hex, hex grid, hexes, mathemtics, Windows Forms programming
Leave a comment
Make a pie slice drawing extension in WPF and C#
This example shows how to make an extension method to draw a pie slice easily in WPF and C#. My post Make an intuitive extension method to draw an elliptical arc in WPF and C# shows how to make an … Continue reading
Posted in drawing, geometry, graphics, mathematics, wpf, XAML
Tagged arc, C#, C# programming, drawing, elliptical arc, example, example program, geometry, graphics, mathematics, pie slice, Windows Forms programming, WPF, XAML
Leave a comment
Make an intuitive extension method to draw an elliptical arc in WPF and C#
In my previous post Draw an elliptical arc in WPF and XAML, I explained how WPF makes you define an elliptical arc. Their method almost makes sense if you want draw an arc as part of a path. however, if … Continue reading
Posted in drawing, geometry, graphics, mathematics, wpf, XAML
Tagged arc, C#, C# programming, drawing, elliptical arc, example, example program, geometry, graphics, mathematics, Windows Forms programming, WPF, XAML
2 Comments
Draw an elliptical arc in WPF and XAML
This example shows how to use XAML code to draw an elliptical arc in a WPF. The following sections explain how to specify an elliptical arc and how to draw one in XAML. Specifying an Elliptical Arc WPF provides several … Continue reading
Posted in drawing, geometry, graphics, mathematics, wpf, XAML
Tagged arc, C#, C# programming, drawing, elliptical arc, example, example program, geometry, graphics, mathematics, Windows Forms programming, WPF, XAML
Leave a comment
Solve Geometric Problems with C#
[This is a promo piece by Packt, the publisher of my book The Modern C# Challenge. It includes two of the 100 example problems and solutions in the book.] Solve Geometric Problems with C# Learn how to solve C# geometric … Continue reading
Posted in books, geometry, mathematics
Tagged books, C#, C# programming, example, example program, geometry, mathematics, Newton, Pi, The Modern C# Challenge, Windows Forms programming
Leave a comment
Review posted: “The Modern C# Challenge”
The Modern C# Challenge: Become an expert C# programmer by solving interesting programming problems Clock End Gooner has posted a review of my latest book, The Modern C# Challenge: Become an expert C# programmer by solving interesting programming problems. Please … Continue reading
Posted in books, combinatorics, cryptography, geometry, mathematics
Leave a comment
Graph points in WPF and C#
This example extends the previous example Draw a graph in WPF and C# to draw ellipses marking the data sets’ points. See that example for an explanation of how most of the program works. The following code shows how the … Continue reading
Posted in algorithms, drawing, geometry, graphics, mathematics, wpf
Tagged algorithms, C#, C# programming, draw graph, draw graph in WPF, drawing, example, example program, geometry, GeometryGroup, graph, graph points, graphics, LineGeometry, mathematics, Polyline, Windows Forms programming, WPF, XAML
2 Comments
Use a custom dash pattern with WPF and XAML in C#
My post Render dashed lines in a WPF program using C# explains how a WPF program can use C# code to render lines with a custom dash pattern onto a bitmap. This post shows how to use a custom dash … Continue reading
Posted in drawing, geometry, graphics, wpf, XAML
Tagged C#, C# programming, custom dash pattern, dash, DashDot, dashed lines, dotted lines, draw strings, draw text, drawing, example, example program, geometry, graphics, OnRender, render, rendering, strings, text, Windows Forms programming, WPF, XAML
Leave a comment
Draw text on a circle in C#
This example uses some of the techniques described in the post Measure character positions when drawing long strings in C# to draw text on a circle. The previous post explains how to determine where the characters in a string will … Continue reading
Posted in algorithms, fonts, geometry, graphics, strings
Tagged algorithms, C#, C# programming, characters, circle, circular text, draw string, draw text, draw text on circle, example, example program, fonts, geometry, graphics, measure characters, MeasureCharacterRanges, strings, text on a circle, text on circle, Windows Forms programming
1 Comment
Calculate where a line segment and an ellipse intersect in C#
Finding the intersection between a line segment and an ellipse requires a lot of mathematics. It’s not particularly hard mathematics, but if you’d rather skip it, you can use the following links to jump to the other parts of this … Continue reading
Posted in algorithms, drawing, geometry, graphics, mathematics
Tagged algorithms, C#, C# programming, drawing, ellipse, ellipse line intersection, ellipse/line intersection, example, example program, geometry, graphics, intersection, line, line ellipse intersection, line segment, line/ellipse intersection, mathematics, Windows Forms programming
7 Comments