cdm/src/main/java/ucar/nc2/iosp/grads/GradsUtil.java
public static double[] getGaussianLatitudes(String type, int start,
            int num)
            throws IllegalArgumentException {
        double[] baseArray = null;
        start--;  // it's one based
        if (type.equalsIgnoreCase(GAUST62)) {
            baseArray = gltst62;
        } else if (type.equalsIgnoreCase(GAUSR15)) {
            baseArray = glts15;
        } else if (type.equalsIgnoreCase(GAUSR20)) {
            baseArray = glts20;
        } else if (type.equalsIgnoreCase(GAUSR30)) {
            baseArray = glts30;
        } else if (type.equalsIgnoreCase(GAUSR40)) {
            baseArray = glats;
        } else {
            throw new IllegalArgumentException("Unsupported type: " + type);
        }
        if (start + num > baseArray.length) {
            throw new IllegalArgumentException("Maximum " + baseArray.length
                    + " latitudes exceeded");
        }
        double[] retVals = new double[num];
        for (int i = 0; i < num; i++) {
            retVals[i] = baseArray[start + i];
        }
        return retVals;
    }
public static double[] getGaussianLatitudes(String type, int start,
            int num)
            throws IllegalArgumentException {
        double[] baseArray = null;
        start--;  // it's one based
        if (type.equalsIgnoreCase(GAUST62)) {
            baseArray = gltst62;
        } else if (type.equalsIgnoreCase(GAUSR15)) {
            baseArray = glts15;
        } else if (type.equalsIgnoreCase(GAUSR20)) {
            baseArray = glts20;
        } else if (type.equalsIgnoreCase(GAUSR30)) {
            baseArray = glts30;
        } else if (type.equalsIgnoreCase(GAUSR40)) {
            baseArray = glats;
        } else {
            throw new IllegalArgumentException("Unsupported type: " + type);
        }
        if (start + num > baseArray.length) {
            throw new IllegalArgumentException("Maximum " + baseArray.length
                    + " latitudes exceeded");
        }
        double[] retVals = new double[num];
        for (int i = 0; i < num; i++) {
            retVals[i] = baseArray[start + i];
        }
        return retVals;
    }
Get the latitude values for the given type.

@param type gaussian type
@param start  starting index (1 based)
@param num  number of values

@return the values

@throws IllegalArgumentException  invalid or unsupported type