public static Point GetTexCood(CameraRatio cameraRatio, Point3D transformedPt, double zDistance)
{
if (zDistance < 0.0f)
{
throw new Exception("Error: Incorrect camera orientation encountered. A camera position was found to be not in front of the model. It was either within the model or behind it");
}
var maxXRange = 0.0;
var maxYRange = 0.0;
//If the camera is at infinity then max values along x and y will remain the same
//Confirm if xRangeAtInfinity is the total range or it is the range in either direction
if (cameraRatio.XRangeAtInfinity > 0.0f)
{
maxXRange = cameraRatio.XRangeAtInfinity;
maxYRange = cameraRatio.YRangeAtInfinity;
}
if (cameraRatio.XRatio > 0.0f) //The ranges have to be set for each vertex depending on their distance from the camera location
{
maxXRange = cameraRatio.XRatio * zDistance;
maxYRange = cameraRatio.YRatio * zDistance;
}
return(GetTexCood(transformedPt, maxXRange, maxYRange));
}
public static IEnumerable <TexCoodAndImgIndex> GetTextureCoordinates(ImageSpecifics[] imageParameters, CameraRatio cameraRatio, Vector3DCollection meshNormals, Point3DCollection meshPositions)
{
var imageSelector = new PolyNormalBasedImageSelector(meshPositions, meshNormals, imageParameters, cameraRatio);
var unmergedCoordinates = new List <TexCoodAndImgIndex>();
for (var ctr = 0; ctr < meshPositions.Count; ctr++)
{
var selection = imageSelector.GetBestImageParams(ctr);
//Assign the u,v values
unmergedCoordinates.Add(new TexCoodAndImgIndex {
ImgIndex = selection.IndexOfImageToUse, TexCood = new Point(selection.TexCood.X, selection.TexCood.Y)
});
}
return(unmergedCoordinates);
}