Пример #1
0
        public override byte[] ResampleImage(RlViewer.Files.LocatorFile file, System.Drawing.Rectangle area)
        {
            float[] image = new float[area.Width * area.Height];

            float[] imageArea = file.GetArea(area).ToArea<float>(file.Header.BytesPerSample);

            int toInclusiveX = area.Location.X + area.Width;
            toInclusiveX = toInclusiveX > file.Width ? file.Width : toInclusiveX;

            int toInclusiveY = area.Location.Y + area.Height;
            toInclusiveY = toInclusiveY > file.Height ? file.Height : toInclusiveY;
            int counter = 0;

         
            //Parallel.For(area.Location.X, toInclusiveX, (i, loopState) =>
            //{
            for (int i = area.Location.X; i < toInclusiveX; i++)
            {
                for (int j = area.Location.Y; j < toInclusiveY; j++)
                {
                    var oldAmplVal = imageArea[(j - area.Location.Y) * area.Width + (i - area.Location.X)];
                    var newAmplVal = GetPlaneValue(i / Selector.RangeCompressionCoef, j / Selector.AzimuthCompressionCoef,
                        PointToPlane(new System.Drawing.Point(i / Selector.RangeCompressionCoef, j / Selector.AzimuthCompressionCoef),
                        AmplitudeSolution));
                    var newRcsVal = GetPlaneValue(i / Selector.RangeCompressionCoef, j / Selector.AzimuthCompressionCoef,
                        PointToPlane(new System.Drawing.Point(i / Selector.RangeCompressionCoef,
                            j / Selector.AzimuthCompressionCoef), RcsSolution));

                    var diff = oldAmplVal / newAmplVal * newRcsVal;

                    diff = diff < 0 ? 0 : diff;

                    image[(j - area.Location.Y) * area.Width + (i - area.Location.X)] = diff;
                }

                System.Threading.Interlocked.Increment(ref counter);
                OnProgressReport((int)(counter / Math.Ceiling((double)(toInclusiveX - area.Location.X)) * 100));

                if (OnCancelWorker())
                {
                    break;
                    // loopState.Break();
                }

            }
            //});

            if (Cancelled)
            {
                return null;
            }

            byte[] imageB = new byte[image.Length * 4];

            Buffer.BlockCopy(image, 0, imageB, 0, imageB.Length);

            return imageB;
        }
Пример #2
0
        public override byte[] ResampleImage(RlViewer.Files.LocatorFile file, System.Drawing.Rectangle area)
        {
            float[] image = new float[area.Width * area.Height];
           
            int toInclusiveX = area.Location.X + area.Width;
            toInclusiveX = toInclusiveX > file.Width ? file.Width : toInclusiveX;

            int toInclusiveY = area.Location.Y + area.Height;
            toInclusiveY = toInclusiveY > file.Height ? file.Height : toInclusiveY;
            int counter = 0;


            float[] imageArea = file.GetArea(area).ToArea<float>(file.Header.BytesPerSample);

            Parallel.For(area.Location.X, toInclusiveX, (i, loopState) =>
            {
                var zValues = _zCoefficients.Select(x => Extrapolate(i, x)).ToArray();
                var yValues = _yCoefficients.Select(x => Extrapolate(i, x)).ToArray();
                var _zCoefs = LinearEquation.SolveEquation(yValues, zValues);

                for (int j = area.Location.Y; j < toInclusiveY; j++)
                {
                    var oldVal = imageArea[(j - area.Location.Y)
                        * area.Width + (i - area.Location.X)];
                    var newAmplVal = Extrapolate(j, _zCoefs);
                    var rcsVal = RcsProvider.GetValueAt(oldVal);

                    var diff = oldVal / newAmplVal * rcsVal;
                    diff = diff < 0 ? 0 : diff;

                    image[(j - area.Location.Y) * area.Width + (i - area.Location.X)] = diff;
                }

                System.Threading.Interlocked.Increment(ref counter);
                OnProgressReport((int)(counter / Math.Ceiling((double)(toInclusiveX - area.Location.X)) * 100));
                if (OnCancelWorker())
                {
                    loopState.Break();
                }

            });

            if (Cancelled)
            {
                return null;
            }

            byte[] imageB = new byte[image.Length * 4];

            Buffer.BlockCopy(image, 0, imageB, 0, imageB.Length);

            return imageB;
        }