Revision: 6527
http://sourceforge.net/p/jump-pilot/code/6527
Author: ma15569
Date: 2020-09-23 16:47:27 +0000 (Wed, 23 Sep 2020)
Log Message:
-----------
Back to Apache commons imaging only to read no data: JAI fails with one of the
sample raster
Modified Paths:
--------------
core/trunk/src/org/openjump/core/rasterimage/TiffUtilsV2.java
Modified: core/trunk/src/org/openjump/core/rasterimage/TiffUtilsV2.java
===================================================================
--- core/trunk/src/org/openjump/core/rasterimage/TiffUtilsV2.java
2020-09-23 16:22:46 UTC (rev 6526)
+++ core/trunk/src/org/openjump/core/rasterimage/TiffUtilsV2.java
2020-09-23 16:47:27 UTC (rev 6527)
@@ -27,11 +27,9 @@
import org.apache.commons.imaging.formats.tiff.TiffField;
import org.apache.commons.imaging.formats.tiff.TiffImageMetadata;
import org.apache.commons.imaging.formats.tiff.TiffImageParser;
+import org.apache.commons.imaging.formats.tiff.fieldtypes.FieldType;
import org.xml.sax.SAXException;
-import com.sun.media.jai.codec.FileSeekableStream;
-import com.sun.media.jai.codec.TIFFDirectory;
-import com.sun.media.jai.codec.TIFFField;
import com.vividsolutions.jts.geom.Coordinate;
import com.vividsolutions.jts.geom.Envelope;
import com.vividsolutions.jump.workbench.Logger;
@@ -247,7 +245,7 @@
// @ TODO This part should be ported to
//
com.vividsolutions.jump.workbench.imagery.geoimg.GeoReferencedRaster
// as only NoData tag is used = 42113
- final FileSeekableStream fileSeekableStream = new
FileSeekableStream(
+ /* final FileSeekableStream fileSeekableStream = new
FileSeekableStream(
tiffFile.getAbsoluteFile());
final TIFFDirectory tiffDirectory = new TIFFDirectory(
fileSeekableStream, 0);
@@ -276,7 +274,41 @@
//Thus the raster is not well displayed in the view
//This code sets a standard (Saga gis) noData value readable for
OpenJUMP
noData=-99999.0D;
- }
+ }*/
+
+
+
+
+ //[Giuseppe Aruta 020-sept-23]
+ //Reverted Apache Commons Imaging to read only no data
+ //as JAI still throws NumberFormatException in
+ // one of the 24 test files.
+ TiffImageParser parser = new TiffImageParser();
+ TiffImageMetadata tmetadata = (TiffImageMetadata)
parser.getMetadata(tiffFile);
+ List<TiffField> tiffFields = tmetadata.getAllFields();
+ Double noData=Double.NaN;
+ for(TiffField tiffField : tiffFields) {
+ if(tiffField.getTag() == TiffTags.TIFFTAG_GDAL_NODATA) {
+ try {
+ String noDataString = "";
+ if(tiffField.getFieldType() == FieldType.ASCII) {
+ noDataString = tiffField.getStringValue();
+ if(noDataString.equalsIgnoreCase("NaN")) {
+ noDataString = "NaN";
+ }
+ } else if(tiffField.getFieldType() == FieldType.BYTE)
{
+ noDataString = new
String(tiffField.getByteArrayValue());
+ }
+ noData = Double.parseDouble(noDataString);
+ }
+ catch(NumberFormatException e){
+ Logger.error("Failed to read no data. Using
standard -99999.0D", e);
+ noData=-99999.0D;
+ }
+ }
+ }
+
+
/////End of NoData reading
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