#194 Created HSysProjectionEarth.

Tiling/src/egrid/EGridSys.scala

@@ -1,9 +1,12 @@
 /* Copyright 2018-22 Richard Oliver. Licensed under Apache Licence version 2.0. */
 package ostrat; package egrid
-import geom._, pglobe._, prid._, phex._, pEarth._
+import geom._, pgui._, pglobe._, prid._, phex._, pEarth._
 
 trait EGridSys extends HGridSys
-{ /** The length of one column coordinate delta */
+{
+  override def projection: Panel => HSysProjection = HSysProjectionEarth(this, _)
+
+  /** The length of one column coordinate delta */
   def cScale: Length
 
   /** hex coordinate to latiutde and longitude. */

Tiling/src/egrid/HSysProjectionEarth.scala

@@ -0,0 +1,14 @@
+/* Copyright 2018-22 Richard Oliver. Licensed under Apache Licence version 2.0. */
+package ostrat; package egrid
+import geom._, prid._, phex._, pgui._
+
+case class HSysProjectionEarth(gridSys: EGridSys, panel: Panel) extends HSysProjection
+{
+  override type GridT = EGridSys
+
+  override def sides: LineSegArr = ???
+
+  override def innerSides: LineSegArr = ???
+
+  override def outerSides: LineSegArr = ???
+}

Tiling/src/prid/phex/HGridSys.scala

@@ -5,7 +5,7 @@ import geom._, reflect.ClassTag, pgui._, Colour.Black
 /** System of hex tile grids. Can be a single [[HGrid]] or a system of multiple hex tile grids. */
 trait HGridSys extends Any with TGridSys
 {
-  def projection: Panel => HSysProjection = HProjectionFlat(this, _)
+  def projection: Panel => HSysProjection = HSysProjectionFlat(this, _)
 
   final override lazy val numTiles: Int =
   { var i = 0

Tiling/src/prid/phex/HProjectionFlat.scala → Tiling/src/prid/phex/HSysProjectionFlat.scala

@@ -2,7 +2,7 @@
 package ostrat; package prid; package phex
 import geom._, pgui._
 
-final case class HProjectionFlat(gridSys: HGridSys, panel: Panel) extends HSysProjection
+final case class HSysProjectionFlat(gridSys: HGridSys, panel: Panel) extends HSysProjection
 { type GridT = HGridSys
 
   var cPScale: Double = 10