/*******************************************************************************
 * Copyright (c) 2011 IRIS/DMC.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the GNU Lesser Public License v2.1
 * which accompanies this distribution, and is available at
 * http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
 * 
 * Contributors:
 *     IRIS/DMC- initial API and implementation
 * 
 * ACKNOWLEDGEMENT
 * This software was developed as part of a project supported by 
 *  Cooperative Agreement Number G10AC00533 from the United States 
 *  Geological Survey.  Its contents are solely the responsibility of 
 * the authors and the USGS is not responsible for the efficacy,
 * safety, or suitability of this software.
 ******************************************************************************/
public interface Schema {
	public static final String CREATED = "Created";
	public static final String MESSAGE = "FDSNStationXML";
	public static final String NETWORK = "Network";
	public static final String STATION = "Station";
	public static final String STATION_EPOCH = "StationEpoch";
	public static final String CHANNEL = "Channel";
	public static final String STAGE = "number";
	public static final String EPOCH = "Channel";
	public static final String START_DATE = "StartDate";
	public static final String END_DATE = "EndDate";

	public static final String NUMBER_OF_CHANNELS = "NumberChannels";
	public static final String EQUIP_TYPE = "Type";

	public static final String CHAN_CODE = "chan_code";
	public static final String LOC_CODE = "loc_code";
	public static final String AZIMUTH = "Azimuth";
	public static final String DEPTH = "Depth";
	public static final String DIP = "Dip";
	public static final String SAMPLE_RATE = "SampleRate";
	public static final String CLOCK_DRIFT = "ClockDrift";
	public static final String FLAGS = "Type";

	public static final String SENSOR = "Sensor";

	public static final String LAT = "Latitude";
	public static final String LON = "Longitude";
	public static final String ELEVATION = "Elevation";
	public static final String SITE = "Site";
	public static final String UNAVAILABLE = "UNAVAILABLE";
	public static final String COUNTRY = "Country";
	public static final String NAME = "Name";
	public static final String CREATION_DATE = "CreationDate";

	public static final String POLES_ZEROS = "PolesZeros";
	public static final String NORMALIZATION_FREQ = "NormalizationFrequency";
	public static final String NORMALIZATION_FACTOR = "NormalizationFactor";

	public static final String COEFFICIENTS = "Coefficients";
	public static final String INPUT_UNITS = "InputUnits";
	public static final String OUTPUT_UNITS = "OutputUnits";
	public static final String NUMERATOR = "Numerator";
	public static final String DENOMINATOR = "Denominator";

	public static final String STAGE_SENSITIVITY = "StageGain";
	public static final String SENSITIVITY_VALUE = "Value";
	public static final String FREQUENCY = "Frequency";

	public final String RESPONSE = "Stage";

	public final String DECIMATION = "Decimation";
	public final String INPUT_SAMPLE_RATE = "InputSampleRate";

	public final String ZERO = "Zero";
	public final String REAL = "Real";
	public final String IMAGINARY = "Imaginary";
	public final String POLE = "Pole";
	public final String NUMBER = "number";

	public final String FACTOR = "Factor";
	public final String OFFSET = "Offset";
	public final String DELAY = "Delay";
	public final String CORRECTION = "Correction";

	public final String SENSITIVITY = "Sensitivity";

	public final String GENERICS = "Generics";
	public final String PASS_TYPE = "PassType";
	public final String CORNER_FREQ = "CornerFreq";
	public final String LOW_PASS = "Lowpass";
	public final String HIGH_PASS = "Lowpass";
	public final String FREE_FREQ = "FreeFreq";
	public final String AMPLITUDE = "Amplitude";
	public final String PHASE = "Phase";
	public final String RESPONSE_LIST = "ResponseList";
	public final String RESPONSE_LIST_ELEMENT = "ResponseListElement";

	public final String POLYNOMIAL = "Polynomial";
	public final String COEFFICIENT = "Coefficient";
	public final String APPROXIMATION_TYPE = "ApproximationType";

	public final String FREQ_LOWER_BOUND = "FrequencyLowerBound";
	public final String FREQ_UPPER_BOUND = "FrequencyUpperBound";
	public final String APPROX_LOWER_BOUND = "ApproximationLowerBound";
	public final String APPROX_UPPER_BOUND = "ApproximationUpperBound";
	public final String MAX_ERROR = "MaximumError";

	public static final String SYMMETRY = "Symmetry";
	public final String NUMERATOR_COEFFICIENT = "NumeratorCoefficient";
	public final String FIR = "FIR";
	
	public static final String SYMMETRY_EVEN = "EVEN";
	public static final String SYMMETRY_ODD = "ODD";
	public static final String SYMMETRY_NONE = "NONE";
	
	public static final String APPROXIMATION_TYPE_DEFAULT = "MACLAURIN";
	public static final String GAIN_UNITS = "GainUnits";

	public static final String[] SPACE = new String[] { "", " ", "  ", "   ",
			"    ", "     ", "      ", "       ", "        ", "         ",
			"          ", "           ", "            ", "             ", "              ", "               " };

}