/*
* Copyright 1998-2015 University Corporation for Atmospheric Research/Unidata
*
* Portions of this software were developed by the Unidata Program at the
* University Corporation for Atmospheric Research.
*
* Access and use of this software shall impose the following obligations
* and understandings on the user. The user is granted the right, without
* any fee or cost, to use, copy, modify, alter, enhance and distribute
* this software, and any derivative works thereof, and its supporting
* documentation for any purpose whatsoever, provided that this entire
* notice appears in all copies of the software, derivative works and
* supporting documentation. Further, UCAR requests that the user credit
* UCAR/Unidata in any publications that result from the use of this
* software or in any product that includes this software. The names UCAR
* and/or Unidata, however, may not be used in any advertising or publicity
* to endorse or promote any products or commercial entity unless specific
* written permission is obtained from UCAR/Unidata. The user also
* understands that UCAR/Unidata is not obligated to provide the user with
* any support, consulting, training or assistance of any kind with regard
* to the use, operation and performance of this software nor to provide
* the user with any updates, revisions, new versions or "bug fixes."
*
* THIS SOFTWARE IS PROVIDED BY UCAR/UNIDATA "AS IS" AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL UCAR/UNIDATA BE LIABLE FOR ANY SPECIAL,
* INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING
* FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
* WITH THE ACCESS, USE OR PERFORMANCE OF THIS SOFTWARE.
*/
package ucar.nc2.iosp.gempak;
import edu.wisc.ssec.mcidas.McIDASUtil;
import ucar.nc2.iosp.grid.*;
import ucar.unidata.util.StringUtil2;
import java.util.Calendar;
import java.util.Date;
import java.util.Formatter;
/**
* A class to hold grid record information
*
* @author IDV Development Team
*/
public class GempakGridRecord implements GridRecord {
/** Time 1 */
public String time1;
/** Time 2 */
public String time2;
/** Level 1 */
public int level1 = GempakConstants.IMISSD;
/** Level 2 */
public int level2 = GempakConstants.IMISSD;
/** coordinate type */
public int ivcord;
/** parameter */
public String param;
/** grid number */
public int gridNumber; // column
/** packing type */
public int packingType;
/** packing type */
public NavigationBlock navBlock;
/** reference time as a Date */
private Date refTime;
/** valid time offset in ninutes */
private int validOffset;
/** decimal scale */
private int decimalScale = 0;
/** actual valid time */
private Date validTime;
/**
* Create a grid header from the integer bits
* @param number grid number
* @param header integer bits
*/
public GempakGridRecord(int number, int[] header) {
gridNumber = number;
int[] times1 = GempakUtil.TG_FTOI(header, 0);
time1 = GempakUtil.TG_ITOC(times1);
int[] times2 = GempakUtil.TG_FTOI(header, 2);
time2 = GempakUtil.TG_ITOC(times2);
level1 = header[4];
level2 = header[5];
ivcord = header[6];
param = GempakUtil.ST_ITOC(new int[] { header[7], header[8],
header[9] });
param = param.trim();
int ymd = times1[0];
if (ymd / 10000 < 50) {
ymd += 20000000;
} else if (ymd / 10000 < 100) {
ymd += 19000000;
}
int hms = times1[1] * 100; // need to add seconds
refTime = new Date(McIDASUtil.mcDateHmsToSecs(ymd, hms) * 1000l);
int offset = times1[2] % 100000;
if ((offset == 0) || (offset % 100 == 0)) { // 0 or no minutes
validOffset = (offset / 100) * 60;
} else { // have minutes
validOffset = (offset / 100) * 60 + offset % 100;
}
Calendar calendar = Calendar.getInstance();
calendar.setTimeZone(java.util.TimeZone.getTimeZone("GMT"));
calendar.setTime(refTime);
calendar.add(Calendar.MINUTE, validOffset);
validTime = calendar.getTime();
GempakParameter ggp = GempakGridParameterTable.getParameter(param);
if (ggp != null) {
decimalScale = ggp.getDecimalScale();
}
}
/**
* Get the first level of this GridRecord
*
* @return the first level value
*/
public double getLevel1() {
return level1;
}
/**
* Get the second level of this GridRecord
*
* @return the second level value
*/
public double getLevel2() {
return level2;
}
/**
* Get the type for the first level of this GridRecord
*
* @return level type
*/
public int getLevelType1() {
return ivcord;
}
/**
* Get the type for the second level of this GridRecord
*
* @return level type
*/
public int getLevelType2() {
return ivcord;
}
/**
* Get the first reference time of this GridRecord
*
* @return reference time
*/
public Date getReferenceTime() {
return refTime;
}
/**
* Get the valid time for this grid.
*
* @return valid time
*/
public Date getValidTime() {
return validTime;
}
/**
* Get valid time offset (minutes) of this GridRecord
*
* @return time offset
*/
public int getValidTimeOffset() {
return validOffset;
}
/**
* Get the parameter name
*
* @return parameter name
*/
public String getParameterName() {
return param;
}
/**
* Get the parameter description
*
* @return parameter description
*/
public String getParameterDescription() {
return param;
}
/**
* Get the grid def record id
*
* @return parameter name
*/
public String getGridDefRecordId() {
return navBlock.toString();
}
/**
* Get the grid number
*
* @return grid number
*/
public int getGridNumber() {
return gridNumber;
}
/**
* Get the decimal scale
*
* @return decimal scale
*/
public int getDecimalScale() {
return decimalScale;
}
@Override
public int getTimeUnit() {
return 0;
}
@Override
public String getTimeUdunitName() {
return "minutes";
}
@Override
// this determines how records get grouped into a cdm variable
// unique parameter name and level type.
public int cdmVariableHash() {
return param.hashCode() + 37 * getLevelType1();
}
@Override
public String cdmVariableName(GridTableLookup lookup, boolean useLevel, boolean useStat) {
Formatter f = new Formatter();
f.format("%s", getParameterName());
// always use level
//if (useLevel) {
String levelName = lookup.getLevelName(this);
if (levelName.length() != 0) {
if (lookup.isLayer(this))
f.format("_%s_layer", lookup.getLevelName(this));
else
f.format("_%s", lookup.getLevelName(this));
}
//}
return f.toString();
}
/**
* Get a String representation of this object
* @return a String representation of this object
*/
public String toString() {
StringBuilder buf = new StringBuilder();
buf.append(StringUtil2.padLeft(String.valueOf(gridNumber), 5));
buf.append(StringUtil2.padLeft(time1, 20));
buf.append(" ");
buf.append(StringUtil2.padLeft(time2, 20));
buf.append(" ");
buf.append(StringUtil2.padLeft(String.valueOf(level1), 5));
if (level2 != -1) {
buf.append(StringUtil2.padLeft(String.valueOf(level2), 5));
} else {
buf.append(" ");
}
buf.append(" ");
buf.append(StringUtil2.padLeft(GempakUtil.LV_CCRD(ivcord), 6));
buf.append(" ");
buf.append(param);
buf.append(" ");
buf.append(GempakUtil.getGridPackingName(packingType));
return buf.toString();
}
}