public static void UpdateBin(string fileIn, string fileOut, string units, PointData.Coloring coloring, List <MetadataPair> metadata, IntCategory[] categories)
{
using (var br = new BinaryReader(File.Open(fileIn, FileMode.Open, FileAccess.Read, FileShare.ReadWrite)))
{
using (var bw = new BinaryWriter(File.Open(fileOut, FileMode.Create)))
{
// Read original
ParseBinHeader(br, fileIn, tempPointData);
ParseBinProperties(br, fileIn, tempPointData);
int readSize = (int)(br.BaseStream.Length - br.BaseStream.Position);
var bytes = new byte[readSize];
int read = 0;
if ((read = br.Read(bytes, 0, readSize)) != readSize)
{
Debug.LogError("Couldn't read all values. Expected (" + readSize + "), Read(" + read + ")");
return;
}
// Update properties
tempPointData.units = units;
tempPointData.coloring = coloring;
tempPointData.metadata = metadata;
tempPointData.categories = categories;
// Write
WriteBinHeader(bw, tempPointData);
WriteBinProperties(bw, tempPointData);
bw.Write(bytes);
}
}
}
public static void AssignCategoryColors <T>(T[] categories, Color color, PointData.Coloring coloring) where T : Category
{
if (coloring == PointData.Coloring.Custom)
{
return;
}
int categoriesCount = categories.Length;
if (categoriesCount <= 1)
{
if (categoriesCount == 1)
{
categories[0].color = color;
categories[0].color.a = 1f;
}
return;
}
if (coloring == PointData.Coloring.Single ||
coloring == PointData.Coloring.ReverseSingle)
{
// Single hue progression
Color.RGBToHSV(color, out float h, out float s, out float v);
float start = 0.25f; // Start at 1/4
float k = (1f - start) / (categoriesCount - 1);
if (coloring == PointData.Coloring.ReverseSingle)
{
start = 1;
k = -k;
}
for (int i = 0; i < categoriesCount; ++i)
{
categories[i].color = Color.HSVToRGB(h, s, Mathf.Clamp01(start + i * k));
categories[i].color.a = 1f;
}
}
else if (coloring == PointData.Coloring.Multi ||
coloring == PointData.Coloring.ReverseMulti)
{
// Spectral color progression
Color.RGBToHSV(color, out float h, out float s, out float v);
float hueRange = Mathf.Min(categoriesCount * 0.005f + 0.01f, 0.06f);
float invCount = categoriesCount > 1 ? 1f / (categoriesCount - 1) : 0;
for (int i = 0; i < categoriesCount; ++i)
{
var cat = categories[i];
float k = i * invCount;
float h2 = h + hueRange * (2f * k - 1f);
if (h2 < 0)
{
h2 += 1f;
}
else if (h2 > 1f)
{
h2 -= 1f;
}
float v2 = Math.Abs(categoriesCount < 3 || i % 2 == 0 ? v : v - 0.15f);
cat.color = Color.HSVToRGB(h2, s, v2);
cat.color.a = 1f;
}
}
}
