Package noaa.coastwatch.render.feature

Class GriddedPointGenerator

java.lang.Object

noaa.coastwatch.render.feature.AbstractFeatureSource

noaa.coastwatch.render.feature.PointFeatureSource

noaa.coastwatch.render.feature.GriddedPointGenerator

All Implemented Interfaces:

Iterable<Feature>, FeatureSource

public class GriddedPointGenerator
extends PointFeatureSource

A GriddedPointGenerator creates point features from a set of co-located Grid objects. The user selects an area of interest, and the generator converts all data values in that area into point features whose earth locations are derived from the grids' earth transform and whose attributes are the data values at the grid point.

Since:

3.2.0

Author:

Peter Hollemans

Field Summary

Fields inherited from class noaa.coastwatch.render.feature.AbstractFeatureSource

area, featureList

Constructor Summary

Constructors

Constructor	Description
GriddedPointGenerator(Grid[] gridArray, EarthTransform2D trans)	Creates a new generator.

Method Summary

Modifier and Type	Method	Description
protected void	select()	Selects a set of features from the data source based on the current area.

Methods inherited from class noaa.coastwatch.render.feature.PointFeatureSource

render, render

Methods inherited from class noaa.coastwatch.render.feature.AbstractFeatureSource

getArea, getAttributeCount, getAttributeNameMap, getAttributes, getFilter, iterator, select, setAttributes, setFilter

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Constructor Details

GriddedPointGenerator

public GriddedPointGenerator(Grid[] gridArray,
 EarthTransform2D trans)

Creates a new generator.

Parameters:

gridArray - the array of grids to use for data, each of the same dimensions and earth transform.

trans - the earth transform for the grids.

Method Details

select

protected void select()
               throws IOException

Description copied from class: AbstractFeatureSource

Selects a set of features from the data source based on the current area.

Specified by:

select in class AbstractFeatureSource

Throws:

IOException - if an error occurred accessing the data source.