236           y: rect2d.y,
241           y: rect2d.y + rect2d.h,
306     const height = Math.abs(rect3d.topLeft.y - rect3d.bottomRight.y);
316       rect3d.topLeft.y = (maxDimension - maxDisplaySize.height / 2) * -1;
317       rect3d.bottomRight.y = maxDimension;
329           return this.matMultiply(rect.transform, rect.bottomRight).y;
342         y: rect3d.topLeft.y,  constant
347         y: rect3d.bottomRight.y,  constant
367         y: labelY,  constant
379             y: lineStart.y,  constant
399       x: mat.dsdx * point.x + mat.dsdy * point.y + mat.tx,
400       y: mat.dtdx * point.x + mat.dtdy * point.y + mat.ty,
411         center: {x: 0, y: 0, z: 0},
426       minY = Math.min(minY, point.y);
427       maxY = Math.max(maxY, point.y);
455       y: (minY + maxY) / 2,