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Issue #2532 Fix grid displays of grids larger than the world.

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This commit is contained in:
Ben Steffensmeier 2013-11-19 14:08:26 -06:00
parent 7882f4c770
commit f3fb127460
1 changed files with 26 additions and 6 deletions
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32
cave/com.raytheon.viz.grid/src/com/raytheon/viz/grid/rsc/general/D2DGridResource.java
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@ -47,7 +47,9 @@ import com.raytheon.uf.common.geospatial.interpolation.BilinearInterpolation;
import com.raytheon.uf.common.geospatial.interpolation.Interpolation;
import com.raytheon.uf.common.geospatial.interpolation.NearestNeighborInterpolation;
import com.raytheon.uf.common.geospatial.util.EnvelopeIntersection;
import com.raytheon.uf.common.geospatial.util.GridGeometryWrapChecker;
import com.raytheon.uf.common.gridcoverage.GridCoverage;
import com.raytheon.uf.common.gridcoverage.LatLonGridCoverage;
import com.raytheon.uf.common.status.IUFStatusHandler;
import com.raytheon.uf.common.status.UFStatus;
import com.raytheon.uf.common.status.UFStatus.Priority;
@ -86,10 +88,12 @@ import com.vividsolutions.jts.geom.Geometry;
* constructor to avoid duplicate data
* requests.
* Jul 15, 2013 2107 bsteffen Fix sampling of grid vector arrows.
* Aug 27, 2013 2287 randerso Removed 180 degree adjustment required by error
* in Maputil.rotation
* Aug 27, 2013 2287 randerso Removed 180 degree adjustment required by
* error in Maputil.rotation
* Sep 12, 2013 2309 bsteffen Request subgrids whenever possible.
* Sep 24, 2013 DR 15972 D. Friedman Make reprojection of grids configurable.
* Sep 24, 2013 15972 D. Friedman Make reprojection of grids configurable.
* Nov 19, 2013 2532 bsteffen Special handling of grids larger than the
* world.
*
* </pre>
*
@ -156,14 +160,27 @@ public class D2DGridResource extends GridResource<GridResourceData> implements
throws VizException {
Unit<?> dataUnit = gridRecord.getParameter().getUnit();
GridCoverage location = gridRecord.getLocation();
/*
* Detect a special case. Several of the D2D specific "enhancements" do
* not handle grids larger than the world. Since this is a rare edge
* case, and fixing it would be very complicated just don't apply the
* "enhancements".
*/
boolean gridLargerThanWorld = location instanceof LatLonGridCoverage
&& location.getNx() * location.getDx() > 360;
GridGeometry2D gridGeometry = location.getGridGeometry();
/* Request data for tilts if this is Std Env sampling. */
IDataRecord[] dataRecs = GridResourceData.getDataRecordsForTilt(
gridRecord, descriptor);
if (dataRecs == null) {
GridGeometry2D subGridGeometry = calculateSubgrid(gridGeometry);
if (subGridGeometry.equals(gridGeometry)) {
GridGeometry2D subGridGeometry = gridGeometry;
if (!gridLargerThanWorld) {
subGridGeometry = calculateSubgrid(gridGeometry);
}
if (subGridGeometry == null) {
return null;
} else if (subGridGeometry.equals(gridGeometry)) {
dataRecs = DataCubeContainer.getDataRecord(gridRecord);
} else if (subGridGeometry != null) {
/* transform subgrid envelope into a slab request. */
@ -195,7 +212,10 @@ public class D2DGridResource extends GridResource<GridResourceData> implements
// more evenly spaced near the pole.
if (ReprojectionUtil.shouldReproject(gridRecord, gridGeometry,
getDisplayType(), descriptor.getGridGeometry())) {
data = reprojectData(data);
if (!gridLargerThanWorld
|| GridGeometryWrapChecker.checkForWrapping(gridGeometry) != -1) {
data = reprojectData(data);
}
}
/*
* Wind Direction(and possibly others) can be set so that we rotate the