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ObjectGridCoverageRenderer
public final class GridCoverageRenderer
A helper class for rendering GridCoverage
objects.
Constructor Summary | |
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GridCoverageRenderer(CoordinateReferenceSystem destinationCRS,
Envelope envelope,
Rectangle screenSize,
AffineTransform worldToScreen)
Creates a new GridCoverageRenderer object. |
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GridCoverageRenderer(CoordinateReferenceSystem destinationCRS,
Envelope envelope,
Rectangle screenSize,
AffineTransform worldToScreen,
RenderingHints hints)
Creates a new GridCoverageRenderer object. |
Method Summary | |
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void |
paint(Graphics2D graphics,
GridCoverage2D gridCoverage,
RasterSymbolizer symbolizer)
Paint this grid coverage. |
RenderedImage |
renderImage(GridCoverage2D gridCoverage,
RasterSymbolizer symbolizer,
Interpolation interpolation,
Color background,
int tileSizeX,
int tileSizeY)
Turns the coverage into a rendered image applying the necessary transformations and the symbolizer |
Methods inherited from class Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public GridCoverageRenderer(CoordinateReferenceSystem destinationCRS, Envelope envelope, Rectangle screenSize, AffineTransform worldToScreen) throws TransformException, NoninvertibleTransformException
GridCoverageRenderer
object.
destinationCRS
- the CRS of the GridCoverage2D
to render.envelope
- delineating the area to be rendered.screenSize
- at which we want to rendere the source
GridCoverage2D
.worldToScreen
- if not null
and if it contains a rotation,
this Affine Tranform is used directly to convert from world coordinates
to screen coordinates. Otherwise, a standard GridToEnvelopeMapper
is used to calculate the affine transform.
TransformException
NoninvertibleTransformException
public GridCoverageRenderer(CoordinateReferenceSystem destinationCRS, Envelope envelope, Rectangle screenSize, AffineTransform worldToScreen, RenderingHints hints) throws TransformException, NoninvertibleTransformException
GridCoverageRenderer
object.
destinationCRS
- the CRS of the GridCoverage2D
to render.envelope
- delineating the area to be rendered.screenSize
- at which we want to rendere the source
GridCoverage2D
.worldToScreen
- if not null
and if it contains a rotation,
this Affine Tranform is used directly to convert from world coordinates
to screen coordinates. Otherwise, a standard GridToEnvelopeMapper
is used to calculate the affine transform.hints
- RenderingHints
to control this rendering process.
TransformException
NoninvertibleTransformException
Method Detail |
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public RenderedImage renderImage(GridCoverage2D gridCoverage, RasterSymbolizer symbolizer, Interpolation interpolation, Color background, int tileSizeX, int tileSizeY) throws FactoryException, TransformException, NoninvertibleTransformException
gridCoverage
- symbolizer
-
FactoryException
TransformException
NoninvertibleTransformException
public void paint(Graphics2D graphics, GridCoverage2D gridCoverage, RasterSymbolizer symbolizer) throws FactoryException, TransformException, NoninvertibleTransformException
graphics
has an affine transform mapping "real world"
coordinates in the coordinate system given by #getCoordinateSystem
.
graphics
- the Graphics2D
context in which to paint.metaBufferedEnvelope
-
FactoryException
TransformException
NoninvertibleTransformException
Exception
UnsupportedOperationException
- if the transformation from grid to coordinate system in
the GridCoverage is not an AffineTransform
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