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fix image creation for automatic y-range

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Andreas Huber
2019-11-10 14:22:22 +01:00
parent 4367323fcd
commit 0fb7a0aaf6
1 changed files with 6 additions and 1 deletions
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7
pdb-plotting/src/main/java/org/lucares/recommind/logs/GnuplotFileGenerator.java
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@@ -36,7 +36,12 @@ public class GnuplotFileGenerator {
final int min = Math.max(settings.getYRangeMin(), graphOffset);
final int max = settings.getYRangeMax();
appendfln(result, String.format("set yrange [\"%d\":\"%d\"]", min, max));
} else {
} else if(dataSeries.isEmpty()) {
// If there is no data, then Gnuplot won't generate an image.
// Workaround is to explicitly specify the y-axis range.
// We choose a range for which no ticks are defined. This creates an empty y-axis.
appendfln(result, "set yrange [\"%d\":\"%d\"]", 0, -1);
}else {
appendfln(result, "set yrange [\"" + graphOffset + "\":]");
}