private boolean calculateVolumes() {
int x, y;
double z, z2;
double dVolumePos = 0;
double dVolumeNeg = 0;
double dVolume = 0;
double dDif;
final double dArea = m_LowerGrid.getWindowCellSize() * m_LowerGrid.getWindowCellSize();
for (y = 0; (y < m_iNY) && setProgress(y, m_iNY); y++) {
for (x = 0; x < m_iNX; x++) {
z = m_LowerGrid.getCellValueAsDouble(x, y);
z2 = m_UpperGrid.getCellValueAsDouble(x, y);
if (!m_LowerGrid.isNoDataValue(z) && !m_UpperGrid.isNoDataValue(z2)) {
dDif = (z2 - z);
dVolume += Math.abs(dDif);
if (dDif > 0) {
dVolumePos += dDif;
} else {
dVolumeNeg += -dDif;
}
}
}
}
if (m_Task.isCanceled()) {
return false;
} else {
dVolume *= dArea;
dVolumePos *= dArea;
dVolumeNeg *= dArea;
final DecimalFormat df = new DecimalFormat("##.##");
final HTMLDoc doc = new HTMLDoc();
doc.open(Sextante.getText("Volumes"));
doc.addHeader(Sextante.getText("Volumes"), 2);
doc.startUnorderedList();
doc.addListElement(Sextante.getText("Volume_+") + df.format(dVolumePos));
doc.addListElement(Sextante.getText("Volume_-") + df.format(dVolumeNeg));
doc.addListElement(Sextante.getText("Total_volume") + df.format(dVolume));
doc.close();
addOutputText(VOL, Sextante.getText("Volume"), doc.getHTMLCode());
return true;
}
}
