Drawing circles in mm on an image
1 回表示 (過去 30 日間)
古いコメントを表示
Hello community,
I want to draw circles with specific sizes in mm on an image.
So that if I would print out the image, the radius of the circles would appear in the same mm I used for drawing the circles. The picture is 480x720 in size and has 300dpi.
Can someone give me an advise?
Thanks in advance!
0 件のコメント
採用された回答
Arie Lerner
2018 年 8 月 22 日
Picture size is irrelevant here. only resolution, if I get your question right. DPI is dots per inches, one inch is 25.4mm, meaning you have density of 300/25.4 = 11.8 dots (or pixels) per mm. So if you want to draw a circle of X mm radius, it should have radius of X*11.8 dots.
その他の回答 (0 件)
参考
カテゴリ
Help Center および File Exchange で Image Segmentation and Analysis についてさらに検索
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!