HOW TO: Find the nearest pixel of a given color (C#, WinForms)

#1 Posted : Tuesday, October 20, 2015 6:19:55 AM(UTC)

JustinF

Groups: Guests
Posts: 3,022

Was thanked: 2 time(s) in 2 post(s)

The attached project demonstrates how to utilize RasterImage.GetPixelColor() along with a basic Nearest Neighbor Search implementation to find the nearest pixel of a given color to the cursor.

Right click on any pixel to select a color. Then, double click anywhere on the image to snap the cursor to the nearest pixel of the selected color.

NOTE: The search algorithm is greedy. It will snap to the first-found nearest neighbor of the selected color, even if equidistant neighbors of the selected color exist.

File Attachment(s):

NearestPixelWinForms.zip (20kb) downloaded 171 time(s).

Update: Below is an updated solution containing configurations for using LEADTOOLS 19 and LEADTOOLS 20

File Attachment(s):

NearestPixelWinForms19_20.zip (15kb) downloaded 112 time(s).

Edited by moderator Thursday, April 26, 2018 7:35:38 AM(UTC) | Reason: Updated for v20

Try the latest version of LEADTOOLS for free for 60 days by downloading the evaluation: https://www.leadtools.com/downloads

Wanna join the discussion? Login to your LEADTOOLS Support account or Register a new forum account.

Notification

HOW TO: Find the nearest pixel of a given color (C#, WinForms)