[add] added missing block parsing

- added mergeMaps function to library
 - added block function to Cell class

docs/wiki/config/config_preview.yml

@@ -39,11 +39,10 @@ sensors:
 # all cells are declared to output the gt
 # of baseline for each into the console
   - group: baseline
-    cells:
-      - [0, 0, 0]
-      - [1, 1, 0]
-      - [2, 2, 0]
-      - [3, 3, 0]
+    blocks:
+      - start: [0, 0]
+        end: [6, 6]
+        count: 0
 
 groundtruths:
   - group: baseline

src/main/scala/scim/components/Parser.scala

@@ -89,7 +89,9 @@ class SimulationConfigParser(input: Map[String, Any], simulationBehaviours: Simu
   private def parseSensor(sensor: Map[String, Any]): Unit = {
     val groupString = sensor("group").asInstanceOf[String]
     val parentString: Option[String] = if(sensor.contains("parent")) Some(sensor("parent").asInstanceOf[String]) else None
-    val cells: Map[Cell, SensorCount] = parseCells(sensor("cells").asInstanceOf[Vector[Any]])
+    val cellsParsed: Map[Cell, SensorCount] = if(sensor.contains("cells")) parseCells(sensor("cells").asInstanceOf[Vector[Any]]) else Map()
+    val blocksParsed: Map[Cell, SensorCount] = if(sensor.contains("blocks")) parseBlocks(sensor("blocks").asInstanceOf[Vector[Any]]) else Map()
+    val cells = mergeMaps[Cell, SensorCount](blocksParsed, cellsParsed, (a: SensorCount, b: SensorCount) => a.add(b), SensorCount(0))
     val group = Group(groupString, parentString)
     if(!groups.contains(groupString)) {
       groups(groupString) = group
@@ -113,18 +115,41 @@ class SimulationConfigParser(input: Map[String, Any], simulationBehaviours: Simu
   }
 
   private def parseCells(cells: Vector[Any]): Map[Cell, SensorCount] = {
-    val parseCell: Any => (Cell, SensorCount) = (cell: Any) => cell match {
+    val parseCell: Any => (Cell, SensorCount) = (inCell: Any) => inCell match {
       case cell: Vector[_] => val cellVector = cell.asInstanceOf[Vector[Int]]
         (Cell(cellVector(0), cellVector(1)), SensorCount(cellVector(2)))
       case cell: Map[_, _] => val cellMap = cell.asInstanceOf[Map[String, Int]]
         (Cell(cellMap("x"), cellMap("y")), SensorCount(cellMap("count")))
-      case _ => throw new Exception("Invalid Cell: " + cell.toString)
+      case _ => throw new Exception("Invalid Cell: " + inCell.toString)
     }
     // traversableToMap iterates over the vector while parseCell returns a key value
     // pair for each element which than gets added to the returned map
     traversableToMap[Cell, SensorCount](cells, parseCell)
   }
 
+  private def parseBlocks(blocks: Vector[Any]): Map[Cell, SensorCount] = {
+    val parseBlock: Any => Map[Cell, SensorCount] = (inBlock: Any) => inBlock match {
+      case block: Map[_, _] => {
+        val blockMap = block.asInstanceOf[Map[String, Any]]
+        val start = blockMap("start").asInstanceOf[Vector[Int]]
+        val end = blockMap("end").asInstanceOf[Vector[Int]]
+        val count = blockMap("count").asInstanceOf[Int]
+        val blockCells = Cell(start(0), start(1)).block(Cell(end(0), end(1)))
+        val countPerCell: Int = count / blockCells.length
+        var countRest: Int = count % blockCells.length
+
+        val result: Vector[(Cell, SensorCount)] = blockCells.map(cell => {
+          val sensorCount = SensorCount(countPerCell + (if(countRest > 0) 1 else 0))
+          if(countRest > 0) countRest -= 1
+          cell -> sensorCount
+        })
+        result.toMap
+      }
+      case _ => throw new Exception("Invalid Block: " + inBlock.toString)
+    }
+    mergeMaps[Cell, SensorCount](blocks.map(parseBlock), (a: SensorCount, b: SensorCount) => a.add(b), SensorCount(0))
+  }
+
   // don't add tickfacor here, this is done in parseTruth with config.time()
   private def parseTimeLineElement(timeLineElement: Any): (Int, Option[Int]) = {
     timeLineElement match {

src/main/scala/scim/datastruct/Configuration.scala

@@ -126,6 +126,18 @@ case class Cell(x: Int, y: Int) {
   def distance(otherCell: Cell): Double = {
     Math.sqrt(Math.pow(x - otherCell.x, 2) + Math.pow(y - otherCell.y, 2))
   }
+  def block(otherCell: Cell): Vector[Cell] = {
+    val bottomLeft = Cell(math.min(x, otherCell.x), math.min(y, otherCell.y))
+    val topRight  = Cell(math.max(x, otherCell.x), math.max(y, otherCell.y))
+    // add + 1 as topright is included in the block
+    val xCount = topRight.x - bottomLeft.x + 1
+    val yCount = topRight.y - bottomLeft.y + 1
+    Vector.tabulate(yCount)(yCoord => {
+      Vector.tabulate(xCount)(xCoord => {
+        Cell(xCoord + bottomLeft.x, yCoord + bottomLeft.y)
+      })
+    }).flatten
+  }
 }
 case class Group(name: String, sensorParent: Option[String] = None){
   // the sensorParent serves as indicator for the parser that a ground truth is not required

src/main/scala/scim/lib/Library.scala

@@ -152,6 +152,18 @@ package object mapUtil {
     }
   }
 
+  def mergeMaps[A, B](mapA: Map[A, B], mapB: Map[A, B], add: (B, B) => B, default: B): Map[A, B] = {
+    mapA ++ mapB.map(e => e._1 -> add(e._2, mapA.getOrElse(e._1, default)))
+  }
+
+  def mergeMaps[A, B](vector: Vector[Map[A, B]], add: (B, B) => B, default: B): Map[A, B] = {
+    if(vector.length > 1) {
+      mergeMaps(vector.head, mergeMaps(vector.tail, add, default), add, default)
+    } else {
+      vector.head
+    }
+  }
+
   def traversableToMap[A, B](traversable: Traversable[Any], getTuple: (Any) => (A, B) = (e: Any) => e.asInstanceOf[(A, B)]._1 -> e.asInstanceOf[(A, B)]._2): Map[A, B] = {
     // Traversable[Tuple[A, B]] can be converted via .map
     // .foldLeft used in favor of .map().toMap as the latter needs two traversals