image-rotation

来源： https://stackoverflow.com/questions/64692126/rotating-image-with-trigonometric-functions-and-image-padding

来源： https://stackoverflow.com/questions/32729055/rotating-image-in-increments-on-click

来源： https://stackoverflow.com/questions/32729055/rotating-image-in-increments-on-click

来源： https://stackoverflow.com/questions/32729055/rotating-image-in-increments-on-click

问题 I have a chessboard in two images with some angle of rotation. Lets find the rotation angle of second image with reference of first image. For that I found the Rotation Matrix (3x3) and translation matrix (3x1) of those objects. How can I find the Rotation Angle and Rotation Axis of object using those matrices? 回答1: For every type of conversion between rotation representations you have this website euclidean space. You will find theory and code samples of: Rotation matrix to quaternion: link

问题 I have a question. I need to crop a rotated image but the crop rectangle must feet in the image. I'm using Microsoft toolkit for cropping the image but it does not support cropping rotated image, so I added rotation to image and now my problem is to fit the cropping rectangle into the rotated image and not let it get outside of the image. In the images below I'm showing cases. If there is something you need to know to answer this question write it I will add. Not rotated image Rotated image..

问题 I am stuck with a strange problem that, I have a image view which has to shown at some angle approx 5 degree.For that I rotate my UIImageView to 5 degree but the image in UIImageView not coming proper as it was before transformation. For more understanding see images You can see the second image is looking like clipped from corners and looks some blur also. My code for rotation:- myimageView.transform = CGAffineTransformMakeRotation(radians(5)); Please suggest me how to solve this problem.

问题 I am trying to rotate an animated gif stored in an ImageIcon using an AffineTransform. The result is that the image does not get drawn. Here's my code: AffineTransform trans = AffineTransform.getRotateInstance(imgYaw, img.getImage().getWidth(null) / 2, img.getImage().getHeight(null) / 2); AffineTransformOp transo = new AffineTransformOp(trans, AffineTransformOp.TYPE_BILINEAR); BufferedImage bufferedimg = new BufferedImage(img.getImage().getWidth(null), img.getImage().getHeight(null),

问题 I'm beginning a large project which requires VBA functionality for several forms of image manipulation with Access and Excel. The first was simple rotation of jpeg images. Existing answers involve workarounds or third-party plugins. How can I programmatically crop, rescale, flip, or rotate images? Workarounds or third-party apps won't suffice for this project. 回答1: The Windows Image Acquisition API (WIA) is an ideal solution in this case. It provides all of the functionality used by Microsoft

问题 I have a BufferedImage and I want to rotate the image (Picture) around the Y axis in Java with theta angle not affine transform. The rotation will be like the image below (the rectangle will be an image). I can do this by rotating each pixel of the image and drawing the image. Because I have to rotate a lot of images, I don't think this is the best idea. How I will do this transformation? Thanks for your help. 回答1: Generally, you'll want to find the inverse transform from your output pixel