Birdasaur

    public static Affine lookAt(Node node, Point3D from, Point3D to, boolean applyTranslate) {
        //zVec is "forward"
        Point3D zVec = to.subtract(from).normalize();
        //ydir is "up"
        Point3D ydir = Rotate.Y_AXIS;
        Point3D tangent0 = zVec.crossProduct(ydir);
        //handle edge case where to location is precisely the "up" direction
        if(tangent0.magnitude() < 0.001){
            //pick a different axis to use
            ydir = Rotate.X_AXIS;

Birdasaur

Birdasaur

Birdasaur

Birdasaur

Birdasaur

Birdasaur

{
  "$schema": "https://vega.github.io/schema/vega/v5.json",
    "title": {"text": {"signal":"'Perception of ' + Color_Variable + ' by Region'" }},
  "width": 675,
  "height": 500,
  "config": {"style": {"cell": {"stroke": "transparent"}}},
  
  "data": [
    {
      "name": "symbols",

Birdasaur

Birdasaur

Birdasaur

public void updatePaintMesh() {
    //in case the data grid dimensions have changed 
    //make the painting image the same dimension as the data grid for easy math
    diffusePaintImage = new WritableImage(
        Double.valueOf(xWidth*surfScale).intValue(), 
        Double.valueOf(zWidth*surfScale).intValue()
    );
    //if this is the first time ....
    if(null == paintTriangleMesh) {
            paintTriangleMesh = new TriangleMesh();