rCall = "result = filter(dataset, time.low=" + beginInt + ", time.up=" + endInt + ")";
parameters.put("begin", begin);
parameters.put("end", end);
filter = new JavaFilterByTime();
} else if (jRBBySolarLongitude.isSelected()) {
String low = jTextFieldSolLongLow.getText();
String up = jTextFieldSolLongUp.getText();