Пример #1
0
        /// <summary>
        /// superimposes a matrix of scores on top of a sonogram.
        /// Only draws lines on every second row so that the underling sonogram can be discerned.
        /// </summary>
        public void OverlayMatrix(IImageProcessingContext g)
        {
            //int paletteSize = 256;
            var pens = ImageTools.GetRedGradientPalette(); //size = 256

            int rows    = this.SuperimposedMatrix.GetLength(0);
            int cols    = this.SuperimposedMatrix.GetLength(1);
            int imageHt = this.SonogramImage.Height - 1; //subtract 1 because indices start at zero

            //ImageTools.DrawMatrix(DataTools.MatrixRotate90Anticlockwise(this.SuperimposedMatrix), @"C:\SensorNetworks\WavFiles\SpeciesRichness\Dev1\superimposed1.png", false);

            // traverse columns - skip DC column
            for (int c = 1; c < cols; c++)
            {
                for (int r = 0; r < rows; r++)
                {
                    if (this.SuperimposedMatrix[r, c] == 0.0)
                    {
                        continue;
                    }

                    double normScore = this.SuperimposedMatrix[r, c] / this.superImposedMaxScore;

                    //int penID = (int)(paletteSize * normScore);
                    //if (penID >= paletteSize) penID = paletteSize - 1;
                    var brush = new SolidBrush(Color.Red);
                    g.FillRectangle(brush, r, imageHt - c, 1, 1); //THIS DRAWS A PIXEL !!!!
                }

                //c++; //only draw on every second row.
            }
        }