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Issue #626 Changed GridDownscaler to include full resolution grid in levels so level 0 is full grid to make more standard with how downscaling is done now

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Change-Id: I8f87118b3e283acc5c19dc97497730b9cabec0f1

Former-commit-id: dcdffe345d [formerly 91148d4bfe159c346baaf33a4fb5bac0c174bd37]
Former-commit-id: a9360b7078
This commit is contained in:
Max Schenkelberg 2012-07-16 10:00:28 -05:00
parent a56cc7060b
commit 39e199147e
1 changed files with 30 additions and 6 deletions
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36
edexOsgi/com.raytheon.uf.common.geospatial/src/com/raytheon/uf/common/geospatial/interpolation/GridDownscaler.java
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@ -64,10 +64,9 @@ public class GridDownscaler {
/**
* Get the {@link GeneralGridGeometry} [] of downscale levels that the
* GridDownscaler will use for downscaling it's source geometry. This array
* will NOT include the original source geometry in it but instead will
* contain only the downscaled geomerties. An empty array will be returned
* if no downscaling is recommended
* GridDownscaler will use for downscaling it's source geometry. The
* returned array will be at least of size one with the first item in the
* array being the rectangle for the source gridGeometry
*
* @param gridGeometry
* @return
@ -87,9 +86,13 @@ public class GridDownscaler {
}
List<Rectangle> downscaleSizes = new ArrayList<Rectangle>();
GridEnvelope ge = gridGeometry.getGridRange();
Envelope e = gridGeometry.getEnvelope();
Rectangle currSize = new Rectangle(ge.getSpan(0), ge.getSpan(1));
downscaleSizes.add(currSize);
while (currSize.width > minGridSize
&& currSize.height > minGridSize
&& (!checkSpacing || ((e.getSpan(0) / currSize.width) < MAX_GRID_SPACING_METERS && (e
@ -137,16 +140,37 @@ public class GridDownscaler {
this.interpolation = interpolation;
}
/**
* Sets the {@link Interpolation} algorithm to be used when downscaling
*
* @param interpolation
*/
public void setInterpolation(Interpolation interpolation) {
this.interpolation = interpolation;
}
/**
* Returns the total number of levels, this includes the full resolution
* grid
*
* @return
*/
public int getNumberOfDownscaleLevels() {
return downscaleGeometries.length;
}
/**
* Returns the size of the downscale level passed in.
*
* @param downscaleLevel
* @return
*/
public Rectangle getDownscaleSize(int downscaleLevel) {
return downscaleGeometries[downscaleLevel];
return new Rectangle(downscaleGeometries[downscaleLevel]);
}
/**
* Downscales the specified level into the destination object
* Downscales the specified level into the destination object.
*
* @param downscaleLevel
* @param destination