public H2D() {
offset = new MultiIndex(xAxis.getNBins(), yAxis.getNBins());
hBuffer = new double[offset.getArraySize()];
this.attr.getProperties().setProperty("title", "");
this.attr.getProperties().setProperty("xtitle", "");
this.attr.getProperties().setProperty("ytitle", "");
}
/**
* Sets the bins to the x and y axes and creates the buffer of the histogram
*
* @param bx number of bins on the x axis
* @param xmin the minimum value on the x axis
* @param xmax the maximum value on the x axis
* @param by number of bins on the y axis
* @param ymin the minimum value on the y axis
* @param ymax the maximum value on the y axis
*/
public final void set(int bx, double xmin, double xmax, int by, double ymin, double ymax) {
xAxis.set(bx, xmin, xmax);
yAxis.set(by, ymin, ymax);
offset = new MultiIndex(bx, by);
int buff = offset.getArraySize();
hBuffer = new double[buff];
}
/**
* Finds which bin has that value.
*
* @param x The x value to search for
* @param y The y value to search for
* @return The bin, in array indexing format, which holds that x-y value
*/
public int findBin(double x, double y) {
int bx = xAxis.getBin(x);
int by = yAxis.getBin(y);
if (this.isValidBins(bx, by)) {
return (offset.getArrayIndex(bx, by));
}
return -1;
}
/**
* Creates a 2D Histogram with the specified parameters.
*
* @param name the name of the histogram
* @param bx the number of x axis bins
* @param xmin the minimum x axis value
* @param xmax the maximum x axis value
* @param by the number of y axis bins
* @param ymin the minimum y axis value
* @param ymax the maximum y axis value
*/
public H2D(String name, int bx, double xmin, double xmax, int by, double ymin, double ymax) {
hName = name;
this.set(bx, xmin, xmax, by, ymin, ymax);
offset = new MultiIndex(bx, by);
hBuffer = new double[offset.getArraySize()];
this.attr.getProperties().setProperty("title", "");
this.attr.getProperties().setProperty("xtitle", "");
this.attr.getProperties().setProperty("ytitle", "");
}
/**
* Finds the bin content at that bin
*
* @param bx The x coordinate of the bin
* @param by The y coordinate of the bin
* @return The content at that bin
*/
public double getBinContent(int bx, int by) {
if (this.isValidBins(bx, by)) {
int buff = offset.getArrayIndex(bx, by);
if (buff >= 0 && buff < hBuffer.length) {
return hBuffer[buff];
} else {
System.out.println("[Index] error for binx = " + bx + " biny = " + by);
}
}
return 0.0;
}
/*
* Test MultiIndex.
*/
@SuppressWarnings("unchecked")
@Test
public void test_MultiIndex() throws Exception {
ApplicationSetup.setProperty("termpipelines", "");
ApplicationSetup.setProperty("indexer.meta.forward.keys", "filename");
ApplicationSetup.setProperty("indexer.meta.forward.keylens", "100");
ApplicationSetup.setProperty("indexer.meta.reverse.keys", "filename");
Index i1 = IndexTestUtils.makeIndex(new String[] {"0"}, new String[] {"one two three"});
Index i2 = IndexTestUtils.makeIndex(new String[] {"1"}, new String[] {"two three four"});
Index i3 = IndexTestUtils.makeIndex(new String[] {"2"}, new String[] {"three four five"});
MultiIndex mindex = new MultiIndex(new Index[] {i1, i2, i3});
assertNotNull(mindex);
Lexicon<String> lexicon = (Lexicon<String>) mindex.getIndexStructure("lexicon");
assertNotNull(lexicon);
PostingIndex<?> inverted = (PostingIndex<?>) mindex.getIndexStructure("inverted");
assertNotNull(inverted);
MetaIndex metaindex = (MetaIndex) mindex.getIndexStructure("meta");
assertNotNull(metaindex);
DocumentIndex docindex = (DocumentIndex) mindex.getIndexStructure("document");
assertNotNull(docindex);
CollectionStatistics stats =
(CollectionStatistics) mindex.getIndexStructure("collectionstatistics");
assertNotNull(stats);
}
/**
* Sets the bin to that value
*
* @param bx The x coordinate of the bin
* @param by The y coordinate of the bin
* @param w The desired value to set the bin to
*/
public void setBinContent(int bx, int by, double w) {
if (this.isValidBins(bx, by)) {
int buff = offset.getArrayIndex(bx, by);
hBuffer[buff] = w;
}
}
