Tag Archives: scalable map

Drag a map to scroll in C#

This example shows how you can allow a user to drag a map to scroll to hidden parts of it. Scroll bars provide a simple method for allowing the user to view parts of a map that don’t fit on … Continue reading

Posted in drawing, graphics, image processing, mathematics | Tagged , , , , , , , , , , , , , , , | 3 Comments

Define map hotspots in C#

The example Display a scalable map with hotspots in C# uses a list of hotspots defined by the following code. // The hotspots. private List Hotspots = new List(); … // Prepare the map for first viewing. private void Form1_Load(object … Continue reading

Posted in algorithms, graphics, mathematics | Tagged , , , , , , , , , , , , , | Leave a comment

Display a scalable map with hotspots in C#

Making a scalable map with hotspots is surprisingly easy, although getting the details right is a bit tricky. The program displays a map at several different scales. If the map won’t fit on the form at the current scale, it … Continue reading

Posted in algorithms, graphics, mathematics | Tagged , , , , , , , , , , , , , | 5 Comments