Exemple #1
0
    public static MapData ReadMapData(string path, ASCIIGridMetadata metadata)
    {
        if (metadata.nrows < 1 || metadata.ncols < 1)
        {
            return(null);
        }
        float[,] mapData = new float[metadata.ncols, metadata.nrows];
        float minHeight = float.MaxValue, maxHeight = float.MinValue;

        using (StreamReader input = new StreamReader(StreamUtil.GetFileStream(path))) {
            string line;
            int    x = 0, y = 0;
            while ((line = input.ReadLine()) != null)
            {
                if (line[0] == ' ')   // Data lines start with a space
                {
                    string[] values = line.Split(new char[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
                    x = 0;
                    foreach (string value in values)
                    {
                        try {
                            float height = float.Parse(value);
                            if (height != metadata.nodatavalue)
                            {
                                if (height < minHeight)
                                {
                                    minHeight = height;
                                }
                                if (height > maxHeight)
                                {
                                    maxHeight = height;
                                }
                            }
                            mapData[x, y] = height;
                        } catch (Exception e) {
                            Debug.Log(x + ", " + y);
                            Debug.Log(e.ToString());
                        }
                        x++;
                    }
                    y++;
                }
            }
        }

        metadata.Set(ASCIIGridMetadata.minheightKey, minHeight.ToString());
        metadata.Set(ASCIIGridMetadata.maxheightKey, maxHeight.ToString());

        ReplaceNoDataValuesWithMinHeight(metadata, mapData);

        return(new MapData(mapData, metadata));
    }
Exemple #2
0
 private static void ReplaceNoDataValuesWithMinHeight(ASCIIGridMetadata metadata, float[,] mapData)
 {
     for (int x = 0; x < metadata.ncols; x++)
     {
         for (int y = 0; y < metadata.nrows; y++)
         {
             if (mapData[x, y] == metadata.nodatavalue)
             {
                 mapData[x, y] = metadata.minheight;
             }
         }
     }
 }
Exemple #3
0
    public static ASCIIGridMetadata ReadMetadata(string path)
    {
        ASCIIGridMetadata metadata = new ASCIIGridMetadata();

        using (StreamReader input = new StreamReader(StreamUtil.GetFileStream(path))) {
            string line;
            bool   keepGoing = true;
            while (keepGoing && (line = input.ReadLine()) != null)
            {
                switch (line[0])
                {
                case ' ':
                    keepGoing = false;     // We hit the actual data, stop reading
                    break;

                default:
                    string[] keyValue = line.Split(new char[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
                    metadata.Set(keyValue[0], keyValue[1]);
                    break;
                }
            }
        }
        return(metadata);
    }
Exemple #4
0
 public void Setup()
 {
     metadata = new ASCIIGridMetadata();
 }
Exemple #5
0
 public void Setup() {
     metadata = (ASCIIGridMetadata)MapDataImporter.ReadMetadata("Assets/Resources/testData.txt");
     mapdata = MapDataImporter.ReadMapData("Assets/Resources/testData.txt", metadata);
 }