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java.lang.Objectucar.grib.GribNumbers
public final class GribNumbers
A class that contains several static methods for converting multiple bytes into one float or integer.
Field Summary | |
---|---|
static int |
BIT_1
Bit mask for bit 1 in an octet |
static int |
BIT_2
Bit mask for bit 1 in an octet |
static int |
BIT_3
Bit mask for bit 1 in an octet |
static int |
BIT_4
Bit mask for bit 1 in an octet |
static int |
BIT_5
Bit mask for bit 1 in an octet |
static int |
BIT_6
Bit mask for bit 1 in an octet |
static int |
BIT_7
Bit mask for bit 1 in an octet |
static int |
BIT_8
Bit mask for bit 1 in an octet |
static int |
MISSING
Grib uses this internal to mean missing |
static int |
UNDEFINED
if missing value is not defined use this value. |
Constructor Summary | |
---|---|
GribNumbers()
|
Method Summary | |
---|---|
static boolean |
closeEnough(double v1,
double v2)
|
static float |
float4(int a,
int b,
int c,
int d)
Convert 4 bytes to a float. |
static float |
float4(ucar.unidata.io.RandomAccessFile raf)
Convert 4 bytes into a float value. |
static int |
int2(int a,
int b)
convert 2 bytes to a signed integer. |
static int |
int2(ucar.unidata.io.RandomAccessFile raf)
Convert 2 bytes into a signed integer. |
static int |
int3(int a,
int b,
int c)
Convert 3 bytes to signed integer. |
static int |
int3(ucar.unidata.io.RandomAccessFile raf)
Convert 3 bytes into a signed integer. |
static int |
int4(int a,
int b,
int c,
int d)
Convert 4 bytes into a signed integer. |
static int |
int4(ucar.unidata.io.RandomAccessFile raf)
Convert 4 bytes into a signed integer. |
static long |
int8(ucar.unidata.io.RandomAccessFile raf)
Convert 8 bytes into a signed long. |
static boolean |
isBitSet(int value,
int bitMask)
Is the bit set in this octet |
static int |
uint2(int a,
int b)
convert 2 bytes to an unsigned integer. |
static int |
uint2(ucar.unidata.io.RandomAccessFile raf)
Convert 2 bytes into an unsigned integer. |
static int |
uint3(int a,
int b,
int c)
Convert 3 bytes into an unsigned int. |
static int |
uint3(ucar.unidata.io.RandomAccessFile raf)
Convert 3 bytes into an unsigned integer. |
Methods inherited from class java.lang.Object |
---|
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
---|
public static final int UNDEFINED
public static final int MISSING
public static final int BIT_1
public static final int BIT_2
public static final int BIT_3
public static final int BIT_4
public static final int BIT_5
public static final int BIT_6
public static final int BIT_7
public static final int BIT_8
Constructor Detail |
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public GribNumbers()
Method Detail |
---|
public static int int2(ucar.unidata.io.RandomAccessFile raf) throws java.io.IOException
raf
-
java.io.IOException
public static int int2(int a, int b)
a
- b
-
public static int int3(ucar.unidata.io.RandomAccessFile raf) throws java.io.IOException
raf
-
java.io.IOException
public static int int3(int a, int b, int c)
a
- b
- c
-
public static int int4(ucar.unidata.io.RandomAccessFile raf) throws java.io.IOException
raf
-
java.io.IOException
public static int int4(int a, int b, int c, int d)
a
- b
- c
- d
-
public static int uint2(ucar.unidata.io.RandomAccessFile raf) throws java.io.IOException
raf
-
java.io.IOException
public static int uint2(int a, int b)
a
- b
-
public static int uint3(ucar.unidata.io.RandomAccessFile raf) throws java.io.IOException
raf
-
java.io.IOException
public static int uint3(int a, int b, int c)
a
- b
- c
-
public static float float4(ucar.unidata.io.RandomAccessFile raf) throws java.io.IOException
raf
-
java.io.IOException
public static float float4(int a, int b, int c, int d)
a
- b
- c
- d
-
public static long int8(ucar.unidata.io.RandomAccessFile raf) throws java.io.IOException
raf
- RandomAccessFile
java.io.IOException
public static boolean isBitSet(int value, int bitMask)
value
- octet as an integerbitMask
- bit mask
public static boolean closeEnough(double v1, double v2)
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