private void StartConverting(string assetPath)
{
if (GenerateImage == false && GenerateBinary == false && GenerateGeoJSON == false && GenerateHistogram == false)
{
Debug.Log("Nothing to do");
return;
}
IsProcessing = true;
try
{
using (StreamReader sr = new StreamReader(assetPath))
{
bool isReadingHeader = false;
string headerString = "";
string[] allLines = File.ReadAllLines(assetPath);
int currentLineIndex = 0;
for (int i = 0; i < HeaderMaxLines; i++)
{
string line = allLines[currentLineIndex];
currentLineIndex++;
if (line.Length == 0)
{
continue;
}
if (line[0] == '!')
{
continue;
}
if (line[0] == '@')
{
if (isReadingHeader)
{
break;
}
isReadingHeader = true;
}
if (isReadingHeader)
{
headerString += line;
headerString += ',';
}
}
// 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
// Header DataType ColumnCount ? NoDataValue ? ? ? ColumnCount RowCount RowMin RowMax ColumnMin ColumnMax ? ColumnSize RowSize
string[] splittedHeader = headerString.Split(',');
DataHeader header = new DataHeader();
header.DataType = splittedHeader[1]; //1
header.NoDataValue = float.Parse(splittedHeader[4].Replace('.', ',')); //4
header.ColumnCount = int.Parse(splittedHeader[8]); //8
header.RowCount = int.Parse(splittedHeader[9]); //9
header.RowMin = float.Parse(splittedHeader[10].Replace('.', ',')); //10
header.RowMax = float.Parse(splittedHeader[11].Replace('.', ',')); //11
header.ColumnMin = float.Parse(splittedHeader[12].Replace('.', ',')); //12
header.ColumnMax = float.Parse(splittedHeader[13].Replace('.', ',')); //13
header.ColumnSize = float.Parse(splittedHeader[15].Replace('.', ',')); //15
header.RowSize = float.Parse(splittedHeader[16].Replace('.', ',')); //16
char[] separator = new char[] { ' ' };
float[] floatArray = new float[header.ColumnCount * header.RowCount];
int currentElement = 0;
DateTime startTime = DateTime.UtcNow;
DateTime time = startTime;
float step = 100000;
float minValue = float.MaxValue;
float maxValue = float.MinValue;
while (currentElement < floatArray.Length && IsProcessing)
{
string line = allLines[currentLineIndex];
currentLineIndex++;
string[] lineArray = line.Split(separator, StringSplitOptions.RemoveEmptyEntries);
foreach (string str in lineArray)
{
float value = float.Parse(str.Replace('.', ','));
if (value != header.NoDataValue)
{
if (value < minValue)
{
minValue = value;
}
if (value > maxValue)
{
maxValue = value;
}
}
floatArray[currentElement] = value;
currentElement++;
}
if (currentElement % step == 0)
{
TimeSpan timeDiff = DateTime.UtcNow - time;
time = DateTime.UtcNow;
Debug.Log("Converting progress: " + currentElement + "/" + floatArray.Length);
Debug.Log("Converting speed: " + (step / timeDiff.TotalMinutes).ToString("########") + " entries per minute");
Debug.Log("End in " + (((floatArray.Length - currentElement) / step) * timeDiff.TotalSeconds).ToString("###.##") + " seconds");
}
}
Debug.Log("Converted: " + currentElement + "/" + floatArray.Length + " entries in " + (DateTime.UtcNow - startTime).TotalSeconds.ToString("####.#") + " seconds");
Debug.Log("Min value: " + minValue);
Debug.Log("Max value: " + maxValue);
Debug.Log(" - - - - - - - - - - - - - - - - - - - - - - ");
if (GenerateBinary)
{
Debug.Log("Binary generating started");
DataHeader.Convert(header, assetPath.Split('.')[0] + ".header");
byte[] array = new byte[4 * header.ColumnCount * header.RowCount];
int index = 0;
foreach (float value in floatArray)
{
byte[] bytes = BitConverter.GetBytes(value);
for (int k = 0; k < bytes.Length; k++)
{
array[index] = bytes[k];
index++;
}
}
using (FileStream fs = File.Create(assetPath.Split('.')[0] + ".bin", 2048, FileOptions.None))
using (BinaryWriter bw = new BinaryWriter(fs))
{
bw.Write(array);
}
Debug.Log("Binary generated");
NewAssetAvailable = true;
}
if (this.GenerateHistogram)
{
Debug.Log("Histogram generating started");
int bucketSize = 100;
var histogramResult = HistogrammHelper.Bucketize(floatArray, bucketSize, header.NoDataValue);
switch (this.selectedHistogramLayer)
{
case Layers.Elevation:
layerDataAsset.elevationData = histogramResult;
layerDataAsset.elevationbucketSize = bucketSize;
break;
case Layers.Porosity:
layerDataAsset.porosityData = histogramResult;
layerDataAsset.porositybucketSize = bucketSize;
break;
case Layers.Thickness:
layerDataAsset.thicknessnData = histogramResult;
layerDataAsset.thicknessBucketSize = bucketSize;
break;
case Layers.TOC:
layerDataAsset.tocData = histogramResult;
layerDataAsset.tocBucketSize = bucketSize;
break;
case Layers.VShale:
layerDataAsset.vshaleData = histogramResult;
layerDataAsset.vshaleBucketSize = bucketSize;
break;
}
Debug.Log($"{histogramResult} {bucketSize}");
}
if (GenerateImage)
{
Debug.Log("Image generating started");
ImageWidth = header.ColumnCount;
ImageHeight = header.RowCount;
Pixels = new Color[ImageWidth * ImageHeight];
for (int i = 0; i < floatArray.Length; i++)
{
if (UseCustomRange)
{
Pixels[i] = ConvertFloatToRGB(floatArray[i], CustomBottom, CustomTop, header.NoDataValue);
}
else
{
Pixels[i] = ConvertFloatToRGB(floatArray[i], minValue, maxValue, header.NoDataValue);
}
}
IsNewImageDataAvailable = true;
}
if (GenerateGeoJSON)
{
Debug.Log("GeoJSON generating started");
int current = 0;
int currentColumn = 0;
int currentRow = 0;
GeoJSON gJSON = new GeoJSON();
foreach (float value in floatArray)
{
if (GeoJSONEntryCount != 0 && current >= GeoJSONEntryCount)
{
break;
}
currentColumn = (int)Mathf.Floor(((current / (float)header.ColumnCount) % 1) * header.ColumnCount);
currentRow = (int)Mathf.Floor(current / (float)header.ColumnCount);
current++;
if (value != header.NoDataValue)
{
GeoPoint geogr = tr.TransformUTMToGeographic(new GeoPoint((header.ColumnMin + currentColumn * header.ColumnSize) * Foot, (header.RowMin + currentRow * header.RowSize) * Foot), enumProjection.UTM13N, enumEllipsoid.WGS84);
gJSON.AddPoint(geogr.Y, geogr.X, value);
}
}
string geoJSONString = gJSON.GetJSON();
File.WriteAllText(assetPath.Split('.')[0] + ".geojson", geoJSONString);
Debug.Log("GeoJSON generated");
NewAssetAvailable = true;
}
}
}
catch (IOException e)
{
Debug.Log("The file could not be read: " + e.Message);
}
catch (FormatException e)
{
Debug.Log("Parsing error: " + e.Message);
}
catch (Exception e)
{
Debug.Log("Unknown exception: " + e.Message);
}
finally
{
IsProcessing = false;
}
}