function rotate2(filename, theta, scale)

res = fopen(filename, 'r'); if res < 0 error('file not found') end

sizeData = [2 Inf];

Data = fscanf(res, '%f %f', sizeData);

Data = Data'; fclose(res); plot(Data(:,1), Data(:,2)) hold on; Scaled = Data * scale;

RotationMatrix = [cos(theta) -sin(theta); sin(theta) cos(theta)];

Rotated = Scaled * RotationMatrix;

plot(Rotated(:,1), Rotated(:,2))

Rotated = Rotated';

answer = questdlg('Save coordinates to file?','Save to file',... 'Yes','No','Yes');

if(strcmp(answer, 'Yes'))

Result = fopen('D:\Codes\MATLAB\results.txt', 'w');

fprintf(Result, 'X: %.3f Y: %.3f\r\n', Rotated);

fclose(Result); end end