band偏移量java_JavaBand.setScalingOffset方法代码示例

import org.esa.snap.core.datamodel.Band; //导入方法依赖的package包/类

&＃64;Override

protected void addBands(Product product, SpotDimapMetadata componentMetadata, int componentIndex) {

String[] bandNames &＃61; componentMetadata.getBandNames();

String[] bandUnits &＃61; componentMetadata.getBandUnits();

int width, height, currentW, currentH;

width &＃61; product.getSceneRasterWidth();

height &＃61; product.getSceneRasterHeight();

currentW &＃61; componentMetadata.getRasterWidth();

currentH &＃61; componentMetadata.getRasterHeight();

if (width &＃61;&＃61; currentW && height &＃61;&＃61; currentH) {

try {

if (SpotConstants.DIMAP.equals(componentMetadata.getFormatName())) {

String[] fileNames &＃61; componentMetadata.getRasterFileNames();

if (fileNames &＃61;&＃61; null || fileNames.length &＃61;&＃61; 0) {

throw new InvalidMetadataException("No raster file found in metadata");

}

String rasterFileName &＃61; componentMetadata.getPath().toLowerCase().replace(componentMetadata.getFileName().toLowerCase(), fileNames[0].toLowerCase());

File rasterFile &＃61; productDirectory.getFile(rasterFileName);

GeoTiffProductReader tiffReader &＃61; new GeoTiffReaderEx(getReaderPlugIn());

logger.info("Read product nodes");

Product tiffProduct &＃61; tiffReader.readProductNodes(rasterFile, null);

if (tiffProduct !&＃61; null) {

if (product &＃61;&＃61; null) {

product &＃61; createProduct(tiffProduct.getSceneRasterWidth(), tiffProduct.getSceneRasterHeight(), wrappingMetadata.getComponentMetadata(0));

}

MetadataElement tiffMetadata &＃61; tiffProduct.getMetadataRoot();

if (tiffMetadata !&＃61; null) {

XmlMetadata.CopyChildElements(tiffMetadata, product.getMetadataRoot());

}

tiffProduct.transferGeoCodingTo(product, null);

product.setPreferredTileSize(tiffProduct.getPreferredTileSize());

int numBands &＃61; tiffProduct.getNumBands();

String bandPrefix &＃61; "";

logger.info("Read bands");

if (wrappingMetadata.hasMultipleComponents()) {

bandPrefix &＃61; "scene_" &＃43; String.valueOf(componentIndex) &＃43; "_";

String groupPattern &＃61; "";

for (int idx &＃61; 0; idx

groupPattern &＃43;&＃61; "scene_" &＃43; String.valueOf(idx) &＃43; ":";

}

groupPattern &＃61; groupPattern.substring(0, groupPattern.length() - 1);

product.setAutoGrouping(groupPattern);

}

for (int idx &＃61; 0; idx

Band srcBand &＃61; tiffProduct.getBandAt(idx);

String bandName &＃61; bandPrefix &＃43; (idx

Band targetBand &＃61; new ColorPaletteBand(bandName, srcBand.getDataType(), product.getSceneRasterWidth(), product.getSceneRasterHeight(), this.colorPaletteFilePath);

targetBand.setNoDataValue(componentMetadata.getNoDataValue() > -1 ? componentMetadata.getNoDataValue() : srcBand.getNoDataValue());

targetBand.setNoDataValueUsed((componentMetadata.getNoDataValue() > -1));

targetBand.setSpectralWavelength(componentMetadata.getWavelength(idx) > 0 ? componentMetadata.getWavelength(idx) : srcBand.getSpectralWavelength());

targetBand.setSpectralBandwidth(componentMetadata.getBandwidth(idx) > 0 ? componentMetadata.getBandwidth(idx) : srcBand.getSpectralBandwidth());

targetBand.setScalingFactor(srcBand.getScalingFactor());

targetBand.setScalingOffset(srcBand.getScalingOffset());

targetBand.setSolarFlux(srcBand.getSolarFlux());

targetBand.setUnit(srcBand.getUnit() !&＃61; null ? srcBand.getUnit() : bandUnits[idx]);

targetBand.setSampleCoding(srcBand.getSampleCoding());

targetBand.setImageInfo(srcBand.getImageInfo());

targetBand.setSpectralBandIndex(srcBand.getSpectralBandIndex());

targetBand.setDescription(bandName);

product.addBand(targetBand);

readBandStatistics(targetBand, idx, componentMetadata);

bandMap.put(targetBand, srcBand);

}

}

} else {

logger.warning(String.format("Component product %s is not in DIMAP format!", componentMetadata.getProductName()));

}

} catch (IOException ioEx) {

logger.severe("Error while reading component: " &＃43; ioEx.getMessage());

}

} else {

logger.warning(String.format("Cannot add component product %s due to raster size [Found: %d x %d pixels, Expected: %d x %d pixels]",

componentMetadata.getProductName(), currentW, currentH, width, height));

}

}