Hi Brittney,
My understanding is that you want to draw a line with a 60-degree slope starting from the bottom left corner of your image. Further, you want to crop 100 rectangles, each measuring 0.1 times the image dimensions along this line, ensuring that the bottom left corner of each square aligns with the 60-degree line.
Assuming the size of the image to be 500px x 500px, refer to the following code snippet for achieving the above objective -
img = zeros(500, 500, 3);
img(:,:,3) = 1;
% Display the image
imshow(img);
hold on; % Hold the image to draw rectangles on it
% Original image dimensions
original_height = size(img, 1); % Image height
original_width = size(img, 2); % Image width
% Generate points along the 60° line starting from the bottom-left corner
x0 = linspace(0, original_width, 100); % Generate 100 points along the x-axis
% Equation of the 60° line y = tan(60°) * x
tan_60_deg = tan(deg2rad(60)); % Convert angle to radians
y_line = tan_60_deg * x0;
plot(x0,original_height-y_line,color='g')
% Crop size (assuming 0.1 times the original dimensions)
crop_size = [0.1 * original_height, 0.1 * original_width]; % Square size
for i = 1:100
x_coord = round(x0(i));
y_coord = round(y_line(i));
% Adjust y_coord to start from the bottom-left corner
y_coord = original_height - y_coord;
% Check if the square region is out of bounds
if x_coord + crop_size(2) > original_width || y_coord - crop_size(1) < 1
continue; % Skip if out of bounds
end
% Draw the rectangle
rectangle('Position', [x_coord, y_coord - crop_size(1), crop_size(2), crop_size(1)], 'EdgeColor', 'r');
%Crop rectangle and save
cropped_img=imcrop(img, [x_coord, y_coord - crop_size(1), crop_size(2), crop_size(1)])
imwrite(cropped_img, sprintf('cropped_image_%d.bmp', i));
end
hold off; % Release the hold on the image
Hope this helps,
Thanks
