io.pdal.PointLayout.scala Maven / Gradle / Ivy
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package io.pdal
import java.util
import scala.collection.JavaConversions._
class PointLayout extends Native {
def dimSize(dimType: DimType): Long = dimSize(dimType.id)
def dimPackedOffset(dimType: DimType): Long = dimPackedOffset(dimType.id)
def sizedDimTypes(): util.Map[String, SizedDimType] = toSizedDimTypes(dimTypes())
def toSizedDimTypes(dimTypes: Array[DimType]): util.Map[String, SizedDimType] = {
var (i, offset, length) = (0, 0l, dimTypes.length)
val result = new util.HashMap[String, SizedDimType]()
while(i < length) {
val dt = dimTypes(i)
val size = dimSize(dt)
result += dt.id -> SizedDimType(dt, size, offset)
offset += size
i += 1
}
result
}
@native def dimTypes(): Array[DimType]
@native def findDimType(name: String): DimType
@native def dimSize(id: String): Long
/**
* Offset of a dim in a packed points byte array calculated as a sum of previous dim sizes.
* Valid for a point with all dims.
*/
@native def dimPackedOffset(id: String): Long
@native def pointSize(): Long
@native def dispose(): Unit
}