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• AngularSize.scala

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lucuma.catalog.AngularSize.scala Maven / Gradle / Ivy

// Copyright (c) 2016-2023 Association of Universities for Research in Astronomy, Inc. (AURA)
// For license information see LICENSE or https://opensource.org/licenses/BSD-3-Clause

package lucuma.catalog

import cats.Eq
import cats.derived.*
import lucuma.core.math.Angle
import monocle.Focus
import monocle.Lens

/**
 * Angular size of an object in the sky. The major axis is the longest one, but we don't enforce
 * this.
 */
case class AngularSize(majorAxis: Angle, minorAxis: Angle) derives Eq

object AngularSize:
  val majorAxis: Lens[AngularSize, Angle] = Focus[AngularSize](_.majorAxis)
  val minorAxis: Lens[AngularSize, Angle] = Focus[AngularSize](_.minorAxis)