Exception error Concatenate several macros into one single file

fiji
analyze-particles
plugin
batch-processing
macro
segmentation
roi

#1

Hello everybody,

I recently produced three different codes as part of a methodology of image analysis of grayscale images containing each multiple objects.The output of the first code is the input of the second code, and the output of the second is the input of the third code.

The single codes run perfectly on their own, but the once together I get an exception error, listed below, and I don’t know why.

As my experience in coding is still limited, I am wondering if there is a specific syntax to concatenate and run several macro codes as a single file. So far I wasn’t able to find anything specific online.

Although I would, I cannot include the code here, as is part of a yet unpublished research project.

I am aware that this might stronglly limit the help, but I was hoping someone could point me on the right direction.

Thanks a lot

 
java.lang.NullPointerException

	at trainableSegmentation.Weka_Segmentation.run(Weka_Segmentation.java:1270)

	at ij.IJ.runUserPlugIn(IJ.java:228)

	at ij.IJ.runPlugIn(IJ.java:192)

	at ij.Executer.runCommand(Executer.java:137)

	at ij.Executer.run(Executer.java:66)

	at ij.IJ.run(IJ.java:308)

	at ij.IJ.run(IJ.java:283)

	at ij.macro.Functions.doRun(Functions.java:626)

	at ij.macro.Functions.doFunction(Functions.java:97)

	at ij.macro.Interpreter.doStatement(Interpreter.java:250)

	at ij.macro.Interpreter.doStatements(Interpreter.java:236)

	at ij.macro.Interpreter.run(Interpreter.java:119)

	at ij.macro.Interpreter.run(Interpreter.java:90)

	at ij.macro.Interpreter.run(Interpreter.java:101)

	at ij.plugin.Macro_Runner.runMacro(Macro_Runner.java:161)

	at ij.IJ.runMacro(IJ.java:147)

	at ij.IJ.runMacro(IJ.java:136)

	at net.imagej.legacy.IJ1Helper$3.call(IJ1Helper.java:1098)

	at net.imagej.legacy.IJ1Helper$3.call(IJ1Helper.java:1094)

	at net.imagej.legacy.IJ1Helper.runMacroFriendly(IJ1Helper.java:1045)

	at net.imagej.legacy.IJ1Helper.runMacro(IJ1Helper.java:1094)

	at net.imagej.legacy.plugin.IJ1MacroEngine.eval(IJ1MacroEngine.java:137)

	at org.scijava.script.ScriptModule.run(ScriptModule.java:160)

	at org.scijava.module.ModuleRunner.run(ModuleRunner.java:168)

	at org.scijava.module.ModuleRunner.call(ModuleRunner.java:127)

	at org.scijava.module.ModuleRunner.call(ModuleRunner.java:66)

	at org.scijava.thread.DefaultThreadService$3.call(DefaultThreadService.java:238)

	at java.util.concurrent.FutureTask.run(FutureTask.java:266)

	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)

	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)

	at java.lang.Thread.run(Thread.java:748)