PINE LIBRARY
CandlesGroup_Types
Обновлено
Library "CandlesGroup_Types"
CandlesGroup Type allows you to efficiently store and access properties of all the candles in your chart.
You can easily manipulate large datasets, work with multiple timeframes, or analyze multiple symbols simultaneously. By encapsulating the properties of each candle within a CandlesGroup object, you gain a convenient and organized way to handle complex candlestick patterns and data.
For usage instructions and detailed examples, please refer to the comments and examples provided in the source code.
method init(_self)
Namespace types: CandlesGroup
Parameters:
_self (CandlesGroup)
method init(_self, propertyNames)
Namespace types: CandlesGroup
Parameters:
_self (CandlesGroup)
propertyNames (string[])
method get(_self, key)
get values array from a given property name
Namespace types: CandlesGroup
Parameters:
_self (CandlesGroup): : CandlesGroup object
key (string): : key name of selected property. Default is "index"
Returns: values array
method size(_self)
get size of values array. By default it equals to current bar_index
Namespace types: CandlesGroup
Parameters:
_self (CandlesGroup): : CandlesGroup object
Returns: size of values array
method push(_self, key, value)
push single value to specific property
Namespace types: CandlesGroup
Parameters:
_self (CandlesGroup): : CandlesGroup object
key (string): : key name of selected property
value (float): : property value
Returns: CandlesGroup object
method push(_self, arr)
Namespace types: CandlesGroup
Parameters:
_self (CandlesGroup)
arr (float[])
method populate(_self, ohlc)
populate ohlc to CandlesGroup
Namespace types: CandlesGroup
Parameters:
_self (CandlesGroup): : CandlesGroup object
ohlc (float[]): : array of ohlc
Returns: CandlesGroup object
method populate(_self, values, propertiesNames)
populate values base on given properties Names
Namespace types: CandlesGroup
Parameters:
_self (CandlesGroup): : CandlesGroup object
values (float[]): : array of property values
propertiesNames (string[]): : an array stores property names. Use as keys to get values
Returns: CandlesGroup object
method populate(_self)
populate values (default setup)
Namespace types: CandlesGroup
Parameters:
_self (CandlesGroup): : CandlesGroup object
Returns: CandlesGroup object
method lookback(arr, bars_lookback)
get property value on previous candles. For current candle, use *.lookback()
Namespace types: float[]
Parameters:
arr (float[]): : array of selected property values
bars_lookback (int): : number of candles lookback. 0 = current candle. Default is 0
Returns: single property value
method highest_within_bars(_self, hiSource, start, end, useIndex)
get the highest property value between specific candles
Namespace types: CandlesGroup
Parameters:
_self (CandlesGroup): : CandlesGroup object
hiSource (string): : key name of selected property
start (int): : start bar for calculation. Default is candles lookback value from current candle. 'index' value is used if 'useIndex' = true
end (int): : end bar for calculation. Default is candles lookback value from current candle. 'index' value is used if 'useIndex' = true. Default is 0
useIndex (bool): : use index instead of lookback value. Default = false
Returns: the highest value within candles
method highest_within_bars(_self, returnWithIndex, hiSource, start, end, useIndex)
get the highest property value and bar index between specific candles
Namespace types: CandlesGroup
Parameters:
_self (CandlesGroup): : CandlesGroup object
returnWithIndex (bool): : the function only applicable when it is true
hiSource (string): : key name of selected property
start (int): : start bar for calculation. Default is candles lookback value from current candle. 'index' value is used if 'useIndex' = true
end (int): : end bar for calculation. Default is candles lookback value from current candle. 'index' value is used if 'useIndex' = true. Default is 0
useIndex (bool): : use index instead of lookback value. Default = false
Returns: [the highest value within candles, bar index of that candle]
method highest_point_within_bars(_self, hiSource, start, end, useIndex)
get a Point object which contains highest property value between specific candles
Namespace types: CandlesGroup
Parameters:
_self (CandlesGroup): : CandlesGroup object
hiSource (string): : key name of selected property
start (int): : start bar for calculation. Default is candles lookback value from current candle. 'index' value is used if 'useIndex' = true
end (int): : end bar for calculation. Default is candles lookback value from current candle. 'index' value is used if 'useIndex' = true. Default is 0
useIndex (bool): : use index instead of lookback value. Default = false
Returns: Point object contains highest property value
method lowest_within_bars(_self, loSource, start, end, useIndex)
get the lowest property value between specific candles
Namespace types: CandlesGroup
Parameters:
_self (CandlesGroup): : CandlesGroup object
loSource (string): : key name of selected property
start (int): : start bar for calculation. Default is candles lookback value from current candle. 'index' value is used if 'useIndex' = true
end (int): : end bar for calculation. Default is candles lookback value from current candle. 'index' value is used if 'useIndex' = true. Default is 0
useIndex (bool): : use index instead of lookback value. Default = false
Returns: the lowest value within candles
method lowest_within_bars(_self, returnWithIndex, loSource, start, end, useIndex)
get the lowest property value and bar index between specific candles
Namespace types: CandlesGroup
Parameters:
_self (CandlesGroup): : CandlesGroup object
returnWithIndex (bool): : the function only applicable when it is true
loSource (string): : key name of selected property
start (int): : start bar for calculation. Default is candles lookback value from current candle. 'index' value is used if 'useIndex' = true
end (int): : end bar for calculation. Default is candles lookback value from current candle. 'index' value is used if 'useIndex' = true. Default is 0
useIndex (bool): : use index instead of lookback value. Default = false
Returns: [the lowest value within candles, bar index of that candle]
method lowest_point_within_bars(_self, loSource, start, end, useIndex)
get a Point object which contains lowest property value between specific candles
Namespace types: CandlesGroup
Parameters:
_self (CandlesGroup): : CandlesGroup object
loSource (string): : key name of selected property
start (int): : start bar for calculation. Default is candles lookback value from current candle. 'index' value is used if 'useIndex' = true
end (int): : end bar for calculation. Default is candles lookback value from current candle. 'index' value is used if 'useIndex' = true. Default is 0
useIndex (bool): : use index instead of lookback value. Default = false
Returns: Point object contains lowest property value
method time2bar(_self, t)
Convert UNIX time to bar index of active chart
Namespace types: CandlesGroup
Parameters:
_self (CandlesGroup): : CandlesGroup object
t (int): : UNIX time
Returns: bar index
method time2bar(_self, timezone, YYYY, MMM, DD, hh, mm, ss)
Convert timestamp to bar index of active chart. User defined timezone required
Namespace types: CandlesGroup
Parameters:
_self (CandlesGroup): : CandlesGroup object
timezone (string): : User defined timezone
YYYY (int): : Year
MMM (int): : Month
DD (int): : Day
hh (int): : Hour. Default is 0
mm (int): : Minute. Default is 0
ss (int): : Second. Default is 0
Returns: bar index
method time2bar(_self, YYYY, MMM, DD, hh, mm, ss)
Convert timestamp to bar index of active chart
Namespace types: CandlesGroup
Parameters:
_self (CandlesGroup): : CandlesGroup object
YYYY (int): : Year
MMM (int): : Month
DD (int): : Day
hh (int): : Hour. Default is 0
mm (int): : Minute. Default is 0
ss (int): : Second. Default is 0
Returns: bar index
method get_prop_from_time(_self, key, t)
get single property value from UNIX time
Namespace types: CandlesGroup
Parameters:
_self (CandlesGroup): : CandlesGroup object
key (string): : key name of selected property
t (int): : UNIX time
Returns: single property value
method get_prop_from_time(_self, key, timezone, YYYY, MMM, DD, hh, mm, ss)
get single property value from timestamp. User defined timezone required
Namespace types: CandlesGroup
Parameters:
_self (CandlesGroup): : CandlesGroup object
key (string): : key name of selected property
timezone (string): : User defined timezone
YYYY (int): : Year
MMM (int): : Month
DD (int): : Day
hh (int): : Hour. Default is 0
mm (int): : Minute. Default is 0
ss (int): : Second. Default is 0
Returns: single property value
method get_prop_from_time(_self, key, YYYY, MMM, DD, hh, mm, ss)
get single property value from timestamp
Namespace types: CandlesGroup
Parameters:
_self (CandlesGroup): : CandlesGroup object
key (string): : key name of selected property
YYYY (int): : Year
MMM (int): : Month
DD (int): : Day
hh (int): : Hour. Default is 0
mm (int): : Minute. Default is 0
ss (int): : Second. Default is 0
Returns: single property value
method bar2time(_self, index)
Convert bar index of active chart to UNIX time
Namespace types: CandlesGroup
Parameters:
_self (CandlesGroup): : CandlesGroup object
index (int): : bar index
Returns: UNIX time
Point
A point on chart
Fields:
price (series float): : price value
bar (series int): : bar index
bartime (series int): : time in UNIX format of bar
Property
Property object which contains values of all candles
Fields:
name (series string): : name of property
values (float[]): : an array stores values of all candles. Size of array = bar_index
CandlesGroup
Candles Group object which contains properties of all candles
Fields:
propertyNames (string[]): : an array stores property names. Use as keys to get values
properties (Property[]): : array of Property objects
CandlesGroup Type allows you to efficiently store and access properties of all the candles in your chart.
You can easily manipulate large datasets, work with multiple timeframes, or analyze multiple symbols simultaneously. By encapsulating the properties of each candle within a CandlesGroup object, you gain a convenient and organized way to handle complex candlestick patterns and data.
For usage instructions and detailed examples, please refer to the comments and examples provided in the source code.
method init(_self)
Namespace types: CandlesGroup
Parameters:
_self (CandlesGroup)
method init(_self, propertyNames)
Namespace types: CandlesGroup
Parameters:
_self (CandlesGroup)
propertyNames (string[])
method get(_self, key)
get values array from a given property name
Namespace types: CandlesGroup
Parameters:
_self (CandlesGroup): : CandlesGroup object
key (string): : key name of selected property. Default is "index"
Returns: values array
method size(_self)
get size of values array. By default it equals to current bar_index
Namespace types: CandlesGroup
Parameters:
_self (CandlesGroup): : CandlesGroup object
Returns: size of values array
method push(_self, key, value)
push single value to specific property
Namespace types: CandlesGroup
Parameters:
_self (CandlesGroup): : CandlesGroup object
key (string): : key name of selected property
value (float): : property value
Returns: CandlesGroup object
method push(_self, arr)
Namespace types: CandlesGroup
Parameters:
_self (CandlesGroup)
arr (float[])
method populate(_self, ohlc)
populate ohlc to CandlesGroup
Namespace types: CandlesGroup
Parameters:
_self (CandlesGroup): : CandlesGroup object
ohlc (float[]): : array of ohlc
Returns: CandlesGroup object
method populate(_self, values, propertiesNames)
populate values base on given properties Names
Namespace types: CandlesGroup
Parameters:
_self (CandlesGroup): : CandlesGroup object
values (float[]): : array of property values
propertiesNames (string[]): : an array stores property names. Use as keys to get values
Returns: CandlesGroup object
method populate(_self)
populate values (default setup)
Namespace types: CandlesGroup
Parameters:
_self (CandlesGroup): : CandlesGroup object
Returns: CandlesGroup object
method lookback(arr, bars_lookback)
get property value on previous candles. For current candle, use *.lookback()
Namespace types: float[]
Parameters:
arr (float[]): : array of selected property values
bars_lookback (int): : number of candles lookback. 0 = current candle. Default is 0
Returns: single property value
method highest_within_bars(_self, hiSource, start, end, useIndex)
get the highest property value between specific candles
Namespace types: CandlesGroup
Parameters:
_self (CandlesGroup): : CandlesGroup object
hiSource (string): : key name of selected property
start (int): : start bar for calculation. Default is candles lookback value from current candle. 'index' value is used if 'useIndex' = true
end (int): : end bar for calculation. Default is candles lookback value from current candle. 'index' value is used if 'useIndex' = true. Default is 0
useIndex (bool): : use index instead of lookback value. Default = false
Returns: the highest value within candles
method highest_within_bars(_self, returnWithIndex, hiSource, start, end, useIndex)
get the highest property value and bar index between specific candles
Namespace types: CandlesGroup
Parameters:
_self (CandlesGroup): : CandlesGroup object
returnWithIndex (bool): : the function only applicable when it is true
hiSource (string): : key name of selected property
start (int): : start bar for calculation. Default is candles lookback value from current candle. 'index' value is used if 'useIndex' = true
end (int): : end bar for calculation. Default is candles lookback value from current candle. 'index' value is used if 'useIndex' = true. Default is 0
useIndex (bool): : use index instead of lookback value. Default = false
Returns: [the highest value within candles, bar index of that candle]
method highest_point_within_bars(_self, hiSource, start, end, useIndex)
get a Point object which contains highest property value between specific candles
Namespace types: CandlesGroup
Parameters:
_self (CandlesGroup): : CandlesGroup object
hiSource (string): : key name of selected property
start (int): : start bar for calculation. Default is candles lookback value from current candle. 'index' value is used if 'useIndex' = true
end (int): : end bar for calculation. Default is candles lookback value from current candle. 'index' value is used if 'useIndex' = true. Default is 0
useIndex (bool): : use index instead of lookback value. Default = false
Returns: Point object contains highest property value
method lowest_within_bars(_self, loSource, start, end, useIndex)
get the lowest property value between specific candles
Namespace types: CandlesGroup
Parameters:
_self (CandlesGroup): : CandlesGroup object
loSource (string): : key name of selected property
start (int): : start bar for calculation. Default is candles lookback value from current candle. 'index' value is used if 'useIndex' = true
end (int): : end bar for calculation. Default is candles lookback value from current candle. 'index' value is used if 'useIndex' = true. Default is 0
useIndex (bool): : use index instead of lookback value. Default = false
Returns: the lowest value within candles
method lowest_within_bars(_self, returnWithIndex, loSource, start, end, useIndex)
get the lowest property value and bar index between specific candles
Namespace types: CandlesGroup
Parameters:
_self (CandlesGroup): : CandlesGroup object
returnWithIndex (bool): : the function only applicable when it is true
loSource (string): : key name of selected property
start (int): : start bar for calculation. Default is candles lookback value from current candle. 'index' value is used if 'useIndex' = true
end (int): : end bar for calculation. Default is candles lookback value from current candle. 'index' value is used if 'useIndex' = true. Default is 0
useIndex (bool): : use index instead of lookback value. Default = false
Returns: [the lowest value within candles, bar index of that candle]
method lowest_point_within_bars(_self, loSource, start, end, useIndex)
get a Point object which contains lowest property value between specific candles
Namespace types: CandlesGroup
Parameters:
_self (CandlesGroup): : CandlesGroup object
loSource (string): : key name of selected property
start (int): : start bar for calculation. Default is candles lookback value from current candle. 'index' value is used if 'useIndex' = true
end (int): : end bar for calculation. Default is candles lookback value from current candle. 'index' value is used if 'useIndex' = true. Default is 0
useIndex (bool): : use index instead of lookback value. Default = false
Returns: Point object contains lowest property value
method time2bar(_self, t)
Convert UNIX time to bar index of active chart
Namespace types: CandlesGroup
Parameters:
_self (CandlesGroup): : CandlesGroup object
t (int): : UNIX time
Returns: bar index
method time2bar(_self, timezone, YYYY, MMM, DD, hh, mm, ss)
Convert timestamp to bar index of active chart. User defined timezone required
Namespace types: CandlesGroup
Parameters:
_self (CandlesGroup): : CandlesGroup object
timezone (string): : User defined timezone
YYYY (int): : Year
MMM (int): : Month
DD (int): : Day
hh (int): : Hour. Default is 0
mm (int): : Minute. Default is 0
ss (int): : Second. Default is 0
Returns: bar index
method time2bar(_self, YYYY, MMM, DD, hh, mm, ss)
Convert timestamp to bar index of active chart
Namespace types: CandlesGroup
Parameters:
_self (CandlesGroup): : CandlesGroup object
YYYY (int): : Year
MMM (int): : Month
DD (int): : Day
hh (int): : Hour. Default is 0
mm (int): : Minute. Default is 0
ss (int): : Second. Default is 0
Returns: bar index
method get_prop_from_time(_self, key, t)
get single property value from UNIX time
Namespace types: CandlesGroup
Parameters:
_self (CandlesGroup): : CandlesGroup object
key (string): : key name of selected property
t (int): : UNIX time
Returns: single property value
method get_prop_from_time(_self, key, timezone, YYYY, MMM, DD, hh, mm, ss)
get single property value from timestamp. User defined timezone required
Namespace types: CandlesGroup
Parameters:
_self (CandlesGroup): : CandlesGroup object
key (string): : key name of selected property
timezone (string): : User defined timezone
YYYY (int): : Year
MMM (int): : Month
DD (int): : Day
hh (int): : Hour. Default is 0
mm (int): : Minute. Default is 0
ss (int): : Second. Default is 0
Returns: single property value
method get_prop_from_time(_self, key, YYYY, MMM, DD, hh, mm, ss)
get single property value from timestamp
Namespace types: CandlesGroup
Parameters:
_self (CandlesGroup): : CandlesGroup object
key (string): : key name of selected property
YYYY (int): : Year
MMM (int): : Month
DD (int): : Day
hh (int): : Hour. Default is 0
mm (int): : Minute. Default is 0
ss (int): : Second. Default is 0
Returns: single property value
method bar2time(_self, index)
Convert bar index of active chart to UNIX time
Namespace types: CandlesGroup
Parameters:
_self (CandlesGroup): : CandlesGroup object
index (int): : bar index
Returns: UNIX time
Point
A point on chart
Fields:
price (series float): : price value
bar (series int): : bar index
bartime (series int): : time in UNIX format of bar
Property
Property object which contains values of all candles
Fields:
name (series string): : name of property
values (float[]): : an array stores values of all candles. Size of array = bar_index
CandlesGroup
Candles Group object which contains properties of all candles
Fields:
propertyNames (string[]): : an array stores property names. Use as keys to get values
properties (Property[]): : array of Property objects
Информация о релизе
v2typo fixed
Информация о релизе
v3Example of CandlesGroup with other timeframe data fixed
Информация о релизе
v4Added:
method bar2arrID(_self, index)
Get array index of CandlesGroup from bar index
Namespace types: CandlesGroup
Parameters:
_self (CandlesGroup): : CandlesGroup object
index (int): : bar index
Returns: array index
method time2arrID(_self, t)
Get array index of CandlesGroup from UNIX time
Namespace types: CandlesGroup
Parameters:
_self (CandlesGroup): : CandlesGroup object
t (int): : UNIX time
Returns: array index
Информация о релизе
v5Added:
method sma(_self, key, length)
The sma function returns the moving average
Namespace types: CandlesGroup
Parameters:
_self (CandlesGroup): : CandlesGroup object
key (string): : key name of selected property
length (int): : number of bars
Returns: float value
method ema(_self, key, length)
The ema function returns the exponentially weighted moving average.
Namespace types: CandlesGroup
Parameters:
_self (CandlesGroup): : CandlesGroup object
key (string): : key name of selected property
length (int): : number of bars
Returns: float value
method rma(_self, key, length)
Relative Moving Average. Rounds to 4 s.f.
Namespace types: CandlesGroup
Parameters:
_self (CandlesGroup): : CandlesGroup object
key (string): : key name of selected property
length (int): : number of bars
Returns: float value
method tr(_self, offset)
True range
Namespace types: CandlesGroup
Parameters:
_self (CandlesGroup): : CandlesGroup object
offset (int): : history bar offset. Default is 0
Returns: float value
method atr(_self, length)
Average true range returns the RMA of true range. Rounds to 4 s.f.
Namespace types: CandlesGroup
Parameters:
_self (CandlesGroup): : CandlesGroup object
length (int): : number of bars
Returns: float value
Информация о релизе
v61. bar calculation on other timeframe fixed
2. examples for handling other timeframe data added
Added:
method lastIndex(_self)
get last index of values array
Namespace types: CandlesGroup
Parameters:
_self (CandlesGroup): : CandlesGroup object
Returns: last index of values array
Updated:
method highest_within_bars(_self, returnWithIndex, hiSource, start, end, useIndex)
get the highest property value and array index between specific candles
Namespace types: CandlesGroup
Parameters:
_self (CandlesGroup): : CandlesGroup object
returnWithIndex (bool): : the function only applicable when it is true
hiSource (string): : key name of selected property
start (int): : start bar for calculation. Default is candles lookback value from current candle. 'index' value is used if 'useIndex' = true
end (int): : end bar for calculation. Default is candles lookback value from current candle. 'index' value is used if 'useIndex' = true. Default is 0
useIndex (bool): : use index instead of lookback value. Default = false
Returns: [the highest value within candles, Array index of that candle]
method lowest_within_bars(_self, returnWithIndex, loSource, start, end, useIndex)
get the lowest property value and array index between specific candles
Namespace types: CandlesGroup
Parameters:
_self (CandlesGroup): : CandlesGroup object
returnWithIndex (bool): : the function only applicable when it is true
loSource (string): : key name of selected property
start (int): : start bar for calculation. Default is candles lookback value from current candle. 'index' value is used if 'useIndex' = true
end (int): : end bar for calculation. Default is candles lookback value from current candle. 'index' value is used if 'useIndex' = true. Default is 0
useIndex (bool): : use index instead of lookback value. Default = false
Returns: [the highest value within candles, Array index of that candle]
Информация о релизе
v7Usage and Examples updated
Информация о релизе
v8method get_prop_from_time() bug fixed. Now it accepts higher timeframe Candles Group.
Информация о релизе
v9Updated:
CandlesGroup
Candles Group object which contains properties of all candles
Fields:
increment (series bool): : if true, size of value array increased at that candle. Default is false
propertyNames (string[]): : an array stores property names. Use as keys to get values
properties (Property[]): : array of Property objects
Информация о релизе
v10Updated:
CandlesGroup
Candles Group object which contains properties of all candles
Fields:
tf (series string): : timeframe
is_size_increased (series bool): : if true, size of value array increased at that candle. Default is false
propertyNames (string[]): : an array stores property names. Use as keys to get values
properties (Property[]): : array of Property objects
Информация о релизе
v111. A new field `detail` is added to CandlesGroup Type. Possible values: "full", "normal", "lite", "custom".
2. populate() function is based on the new `detail` field to populate the number of properties.
3. time2bar() function is updated. Now it will return future bar_index based on bar duration of chart timeframe. Or return NaN if it is earlier than the 1st bar of the chart.
4. A new debug table is added to the comment section as an example.
Updated:
CandlesGroup
Candles Group object which contains properties of all candles
Fields:
tf (series string): : timeframe
detail (series string): : variety of candle properties. Possible value: "full", "normal", "lite", "custom"
is_size_increased (series bool): : if true, size of value array increased at that candle. Default is false
propertyNames (string[]): : an array stores property names. Use as keys to get values
properties (Property[]): : array of Property objects
Информация о релизе
v121. Updated all UDT Point Type to bulit-in chart.point type.
2. Refactored those usage examples to built-in chart.point type.
3. UDT Point Type is removed from this library.
Updated:
method highest_point_within_bars(_self, hiSource, start, end, useIndex)
get a chart.point object which contains highest property value between specific candles
Namespace types: CandlesGroup
Parameters:
_self (CandlesGroup): : CandlesGroup object
hiSource (string): : key name of selected property
start (int): : start bar for calculation. Default is candles lookback value from current candle. 'index' value is used if 'useIndex' = true
end (int): : end bar for calculation. Default is candles lookback value from current candle. 'index' value is used if 'useIndex' = true. Default is 0
useIndex (bool): : use index instead of lookback value. Default = false
Returns: chart.point object contains highest property value
method lowest_point_within_bars(_self, loSource, start, end, useIndex)
get a chart.point object which contains lowest property value between specific candles
Namespace types: CandlesGroup
Parameters:
_self (CandlesGroup): : CandlesGroup object
loSource (string): : key name of selected property
start (int): : start bar for calculation. Default is candles lookback value from current candle. 'index' value is used if 'useIndex' = true
end (int): : end bar for calculation. Default is candles lookback value from current candle. 'index' value is used if 'useIndex' = true. Default is 0
useIndex (bool): : use index instead of lookback value. Default = false
Returns: chart.point object contains lowest property value
Removed:
Point
A point on chart
Информация о релизе
v13methods refactored
- methods time2bar(), bar2arrID(), time2arrID() refactored. Now they can returns nearest bar/arrID even though parameters are inside bar.
- usages and examples for the above methods updated.
- Debug Tables refactored.
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