private Matrix4X4 GetCenteringTransformVisualCenter(IEnumerable <IObject3D> items, double goalRadius)
{
IEnumerable <(Vector2, Vector2, Vector2)> GetPolygons()
{
foreach (var item in items)
{
foreach (var meshItem in item.VisibleMeshes())
{
var worldMatrix = meshItem.WorldMatrix(this);
var faces = meshItem.Mesh.Faces;
var vertices = meshItem.Mesh.Vertices;
foreach (var face in faces)
{
if (face.normal.TransformNormal(worldMatrix).Z > 0)
{
yield return(
new Vector2(vertices[face.v0].Transform(worldMatrix)),
new Vector2(vertices[face.v1].Transform(worldMatrix)),
new Vector2(vertices[face.v2].Transform(worldMatrix))
);
}
}
}
}
}
var outsidePolygons = new List <List <IntPoint> >();
var projection = new Polygons();
// remove all holes from the polygons so we only center the major outlines
var polygons = OrthographicZProjection.GetClipperPolygons(GetPolygons());
foreach (var polygon in polygons)
{
if (polygon.GetWindingDirection() == 1)
{
outsidePolygons.Add(polygon);
}
}
IVertexSource outsideSource = outsidePolygons.CreateVertexStorage();
Vector2 center = outsideSource.GetWeightedCenter();
outsideSource = new VertexSourceApplyTransform(outsideSource, Affine.NewTranslation(-center));
double radius = MaxXyDistFromCenter(outsideSource);
double scale = goalRadius / radius;
var scalling = Matrix4X4.CreateScale(scale, scale, 1);
var centering = Matrix4X4.CreateTranslation(-center.X, -center.Y, 0);
return(centering * scalling);
}
private void LoadStl_Click(object sender, EventArgs e)
{
OpenFileDialogParams opeParams = new OpenFileDialogParams("STL Files|*.stl");
FileDialog.OpenFileDialog(opeParams, (openParams) =>
{
var streamToLoadFrom = File.Open(openParams.FileName, FileMode.Open);
if (streamToLoadFrom != null)
{
var loadedFileName = openParams.FileName;
meshToRender = StlProcessing.Load(streamToLoadFrom);
ImageBuffer plateInventory = new ImageBuffer((int)(300 * 8.5), 300 * 11, 32, new BlenderBGRA());
Graphics2D plateGraphics = plateInventory.NewGraphics2D();
plateGraphics.Clear(RGBA_Bytes.White);
double inchesPerMm = 0.0393701;
double pixelsPerInch = 300;
double pixelsPerMm = inchesPerMm * pixelsPerInch;
AxisAlignedBoundingBox aabb = meshToRender.GetAxisAlignedBoundingBox();
Vector2 lowerLeftInMM = new Vector2(-aabb.minXYZ.x, -aabb.minXYZ.y);
Vector3 centerInMM = (aabb.maxXYZ - aabb.minXYZ) / 2;
Vector2 offsetInMM = new Vector2(20, 30);
{
RectangleDouble bounds = new RectangleDouble(offsetInMM.x * pixelsPerMm,
offsetInMM.y * pixelsPerMm,
(offsetInMM.x + aabb.maxXYZ.x - aabb.minXYZ.x) * pixelsPerMm,
(offsetInMM.y + aabb.maxXYZ.y - aabb.minXYZ.y) * pixelsPerMm);
bounds.Inflate(3 * pixelsPerMm);
RoundedRect rect = new RoundedRect(bounds, 3 * pixelsPerMm);
plateGraphics.Render(rect, RGBA_Bytes.LightGray);
Stroke rectOutline = new Stroke(rect, .5 * pixelsPerMm);
plateGraphics.Render(rectOutline, RGBA_Bytes.DarkGray);
}
OrthographicZProjection.DrawTo(plateGraphics, meshToRender, lowerLeftInMM + offsetInMM, pixelsPerMm);
plateGraphics.DrawString(Path.GetFileName(openParams.FileName), (offsetInMM.x + centerInMM.x) * pixelsPerMm, (offsetInMM.y - 10) * pixelsPerMm, 50, Agg.Font.Justification.Center);
//ImageBuffer logoImage = new ImageBuffer();
//ImageIO.LoadImageData("Logo.png", logoImage);
//plateGraphics.Render(logoImage, (plateInventory.Width - logoImage.Width) / 2, plateInventory.Height - logoImage.Height - 10 * pixelsPerMm);
//ImageIO.SaveImageData("plate Inventory.jpeg", plateInventory);
}
});
}
