Author: [log in to unmask]
Date: Fri Mar 27 11:20:02 2015
New Revision: 3580
Log:
Add class for writing out plotter graphics to a PDF.
Added:
projects/lcsim/trunk/aida/src/main/java/org/lcsim/util/aida/PDFWriter.java
Modified:
projects/lcsim/trunk/aida/pom.xml
Modified: projects/lcsim/trunk/aida/pom.xml
=============================================================================
--- projects/lcsim/trunk/aida/pom.xml (original)
+++ projects/lcsim/trunk/aida/pom.xml Fri Mar 27 11:20:02 2015
@@ -38,6 +38,11 @@
<groupId>org.freehep</groupId>
<artifactId>freehep-record</artifactId>
</dependency>
+ <dependency>
+ <groupId>org.apache.pdfbox</groupId>
+ <artifactId>pdfbox</artifactId>
+ <version>1.8.8</version>
+ </dependency>
</dependencies>
<build>
<plugins>
Added: projects/lcsim/trunk/aida/src/main/java/org/lcsim/util/aida/PDFWriter.java
=============================================================================
--- projects/lcsim/trunk/aida/src/main/java/org/lcsim/util/aida/PDFWriter.java (added)
+++ projects/lcsim/trunk/aida/src/main/java/org/lcsim/util/aida/PDFWriter.java Fri Mar 27 11:20:02 2015
@@ -0,0 +1,89 @@
+package org.lcsim.util.aida;
+
+import hep.aida.IAnalysisFactory;
+import hep.aida.IHistogram1D;
+import hep.aida.IHistogramFactory;
+import hep.aida.IPlotter;
+import hep.aida.IPlotterFactory;
+import hep.aida.ref.AnalysisFactory;
+
+import java.io.File;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.List;
+import java.util.Random;
+
+import org.apache.pdfbox.exceptions.COSVisitorException;
+import org.apache.pdfbox.util.PDFMergerUtility;
+
+/**
+ * Write out plotter graphics to a PDF file.
+ *
+ * @author Jeremy McCormick <[log in to unmask]>
+ */
+public class PDFWriter {
+
+ /**
+ * Create PDF files from plotters and merge them into a single file with one plot per page.
+ * @param plotters The list of plotters.
+ * @param fileName The name of the output file.
+ * @throws IOException If there is a problem merging the PDFs together.
+ */
+ public static void write(Collection<IPlotter> plotters, String fileName) throws IOException {
+
+ PDFMergerUtility merge = new PDFMergerUtility();
+ merge.setDestinationFileName(fileName);
+
+ List<File> files = new ArrayList<File>();
+ for (IPlotter plotter : plotters) {
+ File tempFile = File.createTempFile("plots", ".pdf");
+ files.add(tempFile);
+ plotter.writeToFile(tempFile.getPath(), "pdf");
+ merge.addSource(tempFile);
+ }
+
+ try {
+ merge.mergeDocuments();
+ } catch (COSVisitorException e) {
+ throw new IOException("Error merging documents", e);
+ }
+ }
+
+ /**
+ * This is just a simple test that writes a few plots.
+ * @param args
+ */
+ public static void main(String[] args) {
+
+ IAnalysisFactory af = AnalysisFactory.create();
+ IPlotterFactory pf = af.createPlotterFactory();
+ IHistogramFactory hf = af.createHistogramFactory(null);
+
+ IHistogram1D histogram1 = hf.createHistogram1D("Histogram 1", 100, 0., 10.);
+ IHistogram1D histogram2 = hf.createHistogram1D("Histogram 2", 100, 0., 10.);
+ Random random = new Random();
+ for (int i = 0; i < 10000; i++) {
+ histogram1.fill(random.nextDouble() * 10);
+ histogram2.fill(random.nextDouble() * 10);
+ }
+
+ IPlotter plotter1 = pf.create();
+ plotter1.createRegion();
+ plotter1.region(0).plot(histogram1);
+
+ IPlotter plotter2 = pf.create();
+ plotter2.createRegion();
+ plotter2.region(0).plot(histogram2);
+
+ List<IPlotter> plotters = new ArrayList<IPlotter>();
+ plotters.add(plotter1);
+ plotters.add(plotter2);
+
+ try {
+ PDFWriter.write(plotters, "PDFWriterTest.pdf");
+ } catch (IOException e) {
+ throw new RuntimeException(e);
+ }
+ }
+}
########################################################################
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