public IesData Parse()
{
this.ies = new IesData();
using (var fs = new FileStream(this.path, FileMode.Open, FileAccess.Read)) {
using (var reader = new StreamReader(fs)) {
ParseIdentifier(reader);
ParseKeywords(reader);
ParseTilt(reader);
ParseLampData(reader);
ParseBallastData(reader);
ParseAngles(reader, Direction.Vertical);
ParseAngles(reader, Direction.Horizontal);
ParseCandelas(reader);
}
}
return(this.ies);
}
static void DisplayIesData(IesData ies)
{
System.Console.WriteLine("");
System.Console.WriteLine("Identifier: " + ies.identifier);
System.Console.WriteLine("Keywords: ");
System.Console.WriteLine();
foreach (var keyword in ies.keywords)
{
System.Console.WriteLine(string.Format(" {0,-12} {1}", keyword.Key, keyword.Value));
}
System.Console.WriteLine();
System.Console.WriteLine("Lamp Count: " + ies.lampCount);
System.Console.WriteLine("Lumens: " + ies.lumensPerLamp);
System.Console.WriteLine("Multiplier: " + ies.candelaMultiplier);
System.Console.WriteLine("Vertical Angles: " + ies.verticalAnglesCount);
System.Console.WriteLine("Horizontal Angles: " + ies.horizontalAnglesCount);
System.Console.WriteLine("Photometry Type: " + ies.photometryType);
System.Console.WriteLine("Units: " + ies.units);
System.Console.WriteLine("Size: " + ies.sizeX + ", " + ies.sizeY + ", " + ies.sizeZ);
System.Console.WriteLine("BallastFactor: " + ies.ballastFactor);
System.Console.WriteLine("InputWatts: " + ies.inputWatts);
System.Console.WriteLine();
System.Console.WriteLine("Candela Values:");
System.Console.WriteLine();
for (int i = 0; i < ies.horizontalAnglesCount; i++)
{
for (int j = 0; j < ies.verticalAnglesCount; j++)
{
System.Console.Write(string.Format("{0,5} | ", ies.angleCandelas [i, j].candela));
}
System.Console.WriteLine();
}
System.Console.WriteLine();
}
public IesCubemap RenderCubemap(int resolution, IesData iesData)
{
IesCubemap cubemap = new IesCubemap(resolution);
foreach (var kvp in cubemap.textures)
{
CubeFace face = kvp.Key;
IesTexture texture = kvp.Value;
double offset = (1 / cubemap.resolution) / 2;
for (int y = 0; y < cubemap.resolution; y++)
{
double yNorm = (y / cubemap.resolution) + offset;
for (int x = 0; x < cubemap.resolution; x++)
{
double xNorm = (x / cubemap.resolution) + offset;
Vec3 spherePoint = IesCubemap.CubeToSpherePoint(face, xNorm, yNorm);
LatLon latLongPoint = LatLon.FromSpherePoint(spherePoint);
double candela = InterpolatedCandelaFromData(latLongPoint, iesData.angleCandelas);
texture.WritePixelIntensity(x, y, candela);
}
}
}
return(cubemap);
}
