Hello,
I want produce a Mosaic of two files from the command line using gpt.
At first I tried it with the simpelst command using all default values (gpt Mosaic [options] …):
/opt/local/perso/snap/bin/gpt Mosaic /data/benguela/travail_sauve/ohde/MER_RR__2PRBCM20040422_073812_000001492026_00135_11211_0187.N1 /data/benguela/travail_sauve/ohde/MER_RR__2PRBCM20040422_091310_000004732026_00136_11212_0188.N1
but I got the error:
org.esa.snap.core.gpf.OperatorException
at org.esa.snap.core.gpf.common.MosaicOp.createTargetProduct(MosaicOp.java:417)
at org.esa.snap.core.gpf.common.MosaicOp.initialize(MosaicOp.java:142)
at org.esa.snap.core.gpf.internal.OperatorContext.initializeOperator(OperatorContext.java:499)
at org.esa.snap.core.gpf.internal.OperatorContext.getTargetProduct(OperatorContext.java:278)
at org.esa.snap.core.gpf.Operator.getTargetProduct(Operator.java:359)
at org.esa.snap.core.gpf.main.CommandLineTool.runOperator(CommandLineTool.java:268)
at org.esa.snap.core.gpf.main.CommandLineTool.runGraphOrOperator(CommandLineTool.java:246)
at org.esa.snap.core.gpf.main.CommandLineTool.run(CommandLineTool.java:150)
at org.esa.snap.core.gpf.main.CommandLineTool.run(CommandLineTool.java:122)
at org.esa.snap.core.gpf.main.GPT.run(GPT.java:54)
at org.esa.snap.core.gpf.main.GPT.main(GPT.java:34)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:497)
at org.esa.snap.runtime.Launcher.lambda$run$12(Launcher.java:55)
at org.esa.snap.runtime.Engine.runClientCode(Engine.java:186)
at org.esa.snap.runtime.Launcher.run(Launcher.java:51)
at org.esa.snap.runtime.Launcher.main(Launcher.java:31)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:497)
at com.exe4j.runtime.LauncherEngine.launch(LauncherEngine.java:62)
at com.install4j.runtime.launcher.UnixLauncher.main(UnixLauncher.java:57)
Caused by: java.lang.NullPointerException
at org.esa.snap.core.gpf.common.MosaicOp.addTargetBands(MosaicOp.java:422)
at org.esa.snap.core.gpf.common.MosaicOp.createTargetProduct(MosaicOp.java:413)
… 24 more
Error: org.esa.snap.core.gpf.OperatorException
At second I tried it with a xml-file:
<graph id="Namibia"> <version>1.0</version> <node id="MosaicNamibia"> <operator>Mosaic</operator> <sources> <sourceProducts>${sourceProducts}</sourceProducts> </sources> <parameters> <variables> <variable> <name>algal_2</name> </variable> </variables> <combine>OR</combine> <crs>EPSG:4326</crs> <orthorectify>false</orthorectify> <resampling>Nearest</resampling> <westBound>0.0</westBound> <northBound>-10.0</northBound> <eastBound>25.0</eastBound> <southBound>-36.0</southBound> <pixelSizeX>0.011904481</pixelSizeX> <pixelSizeY>0.011904481</pixelSizeY> </parameters> </node> </graph>
on the command line:
/opt/local/perso/snap/bin/gpt /data/benguela/travail_sauve/ohde/OMP_LEGOS/IDL-Programme/idl/snap/gpt-mosaic/mosaic_test.xml -e -t /data/benguela/travail_sauve/ohde/test.N1.dim -f BEAM-DIMAP -SsourceProducts=/data/benguela/travail_sauve/ohde/MER_RR__2PRBCM20040422_073812_000001492026_00135_11211_0187.N1 /data/benguela/travail_sauve/ohde/MER_RR__2PRBCM20040422_091310_000004732026_00136_11212_0188.N1
but I got the error:
java.lang.NullPointerException
at com.bc.ceres.core.Assert.notNull(Assert.java:94)
at org.esa.snap.core.dataop.barithm.BandArithmetic.parseExpression(BandArithmetic.java:112)
at org.esa.snap.core.dataop.barithm.BandArithmetic.getRefRasters(BandArithmetic.java:199)
at org.esa.snap.core.dataop.barithm.BandArithmetic.getValidMaskExpression(BandArithmetic.java:245)
at org.esa.snap.core.dataop.barithm.BandArithmetic.getValidMaskExpression(BandArithmetic.java:237)
at org.esa.snap.core.gpf.common.MosaicOp.createValidMaskExpression(MosaicOp.java:234)
at org.esa.snap.core.gpf.common.MosaicOp.createAlphaImages(MosaicOp.java:207)
at org.esa.snap.core.gpf.common.MosaicOp.initialize(MosaicOp.java:148)
at org.esa.snap.core.gpf.internal.OperatorContext.initializeOperator(OperatorContext.java:499)
at org.esa.snap.core.gpf.internal.OperatorContext.getTargetProduct(OperatorContext.java:278)
at org.esa.snap.core.gpf.Operator.getTargetProduct(Operator.java:359)
at org.esa.snap.core.gpf.graph.NodeContext.initTargetProduct(NodeContext.java:74)
at org.esa.snap.core.gpf.graph.GraphContext.initNodeContext(GraphContext.java:195)
at org.esa.snap.core.gpf.graph.GraphContext.initNodeContext(GraphContext.java:178)
at org.esa.snap.core.gpf.graph.GraphContext.initOutput(GraphContext.java:162)
at org.esa.snap.core.gpf.graph.GraphContext.(GraphContext.java:91)
at org.esa.snap.core.gpf.graph.GraphContext.(GraphContext.java:64)
at org.esa.snap.core.gpf.graph.GraphProcessor.executeGraph(GraphProcessor.java:130)
at org.esa.snap.core.gpf.main.DefaultCommandLineContext.executeGraph(DefaultCommandLineContext.java:84)
at org.esa.snap.core.gpf.main.CommandLineTool.executeGraph(CommandLineTool.java:502)
at org.esa.snap.core.gpf.main.CommandLineTool.runGraph(CommandLineTool.java:350)
at org.esa.snap.core.gpf.main.CommandLineTool.runGraphOrOperator(CommandLineTool.java:249)
at org.esa.snap.core.gpf.main.CommandLineTool.run(CommandLineTool.java:150)
at org.esa.snap.core.gpf.main.CommandLineTool.run(CommandLineTool.java:122)
at org.esa.snap.core.gpf.main.GPT.run(GPT.java:54)
at org.esa.snap.core.gpf.main.GPT.main(GPT.java:34)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:497)
at org.esa.snap.runtime.Launcher.lambda$run$12(Launcher.java:55)
at org.esa.snap.runtime.Engine.runClientCode(Engine.java:186)
at org.esa.snap.runtime.Launcher.run(Launcher.java:51)
at org.esa.snap.runtime.Launcher.main(Launcher.java:31)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:497)
at com.exe4j.runtime.LauncherEngine.launch(LauncherEngine.java:62)
at com.install4j.runtime.launcher.UnixLauncher.main(UnixLauncher.java:57)
Error: java.lang.NullPointerException
At third I tried it with the Mosaicing in SNAP and it works.
What could be the reasons for the errors?