robbatt

2023年7月8日早上6點15分

lib_pivot

British Pound vs Japanese YenPepperstone

描述

⋅ 2023年7月8日早上6點15分

Library "lib_pivot"
Object oriented implementation of Pivot methods.

method tostring(this)
Converts HLData to a json string representation
Namespace types: HLData
Parameters:
this (HLData): HLData
Returns: string representation of Pivot

method tostring(this, date_format)
Namespace types: Pivot
Parameters:
this (Pivot)
date_format (simple string)

method tostring(this, date_format)
Namespace types: Pivot[]
Parameters:
this (Pivot[])
date_format (simple string)

method get_color(this, mode)
Namespace types: PivotColors
Parameters:
this (PivotColors)
mode (int)

method get_label_text(this)
Namespace types: Pivot
Parameters:
this (Pivot)

method direction(this)
Namespace types: Pivot
Parameters:
this (Pivot)

method same_direction_as(this, other)
Namespace types: Pivot
Parameters:
this (Pivot)
other (Pivot)

method exceeds(this, price)
Namespace types: Pivot
Parameters:
this (Pivot)
price (float)

method exceeds(this, other)
Namespace types: Pivot
Parameters:
this (Pivot)
other (Pivot)

method exceeded_by(this, price)
Namespace types: Pivot
Parameters:
this (Pivot)
price (float)

method exceeded_by(this, other)
Namespace types: Pivot
Parameters:
this (Pivot)
other (Pivot)

method retracement_ratio(this, lastPivot, sec_lastPivot)
Namespace types: Pivot
Parameters:
this (Pivot)
lastPivot (Pivot)
sec_lastPivot (Pivot)

ratio_target(sec_lastPivot, lastPivot, target_ratio)
Parameters:
sec_lastPivot (Pivot)
lastPivot (Pivot)
target_ratio (float)

method update(this, ref_highest, ref_lowest)
Namespace types: HLData
Parameters:
this (HLData)
ref_highest (float)
ref_lowest (float)

method update(this, bar_time, bar_idx, price, prev)
Namespace types: Pivot
Parameters:
this (Pivot)
bar_time (int)
bar_idx (int)
price (float)
prev (Pivot)

method create_next(this, bar_time, bar_idx, price)
Namespace types: Pivot
Parameters:
this (Pivot)
bar_time (int)
bar_idx (int)
price (float)

HLData
HLData wraps the data received from ta.highest, ta.highestbars, ta.lowest, ta.lowestbars, as well as the reference sources
Fields:
length (series int): lookback length for pivot points
highest_offset (series int): offset to highest value bar
lowest_offset (series int): offset to lowest value bar
highest (series float): highest value within lookback bars
lowest (series float): lowest value within lookback bars
new_highest (series bool): update() will set this true if the current candle forms a new highest high at the last (current) bar of set period (length)
new_lowest (series bool): update() will set this true if the current candle forms a new lowest low at the last (current) bar of set period (length)
new_highest_fractal (series bool): update() will set this true if the current candle forms a new fractal high at the center of set period (length)
new_lowest_fractal (series bool): update() will set this true if the current candle forms a new fractal low at the center of set period (length)

PivotColors
Pivot colors for different modes
Fields:
hh (series color): Color for Pivot mode 2 (HH)
lh (series color): Color for Pivot mode 1 (LH)
hl (series color): Color for Pivot mode -1 (HL)
ll (series color): Color for Pivot mode -2 (LL)

Pivot
Pivot additional pivot data around basic Point
Fields:
point (Point type from robbatt/lib_plot_objects/5)
mode (series int): can be -2/-1/1/2 for LL/HL/LH/HH
price_movement (series float): The price difference between this and the previous pivot point in the opposite direction
retracement_ratio (series float): The ratio between this price_movement and the previous
prev (Pivot)

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⋅ 2023年7月8日早上6點57分

v2 added methods to generate LineArgs and LabelArgs depending on Pivot mode

Added:
method get_line_args(this, mode, base_line_args)
Namespace types: PivotColors
Parameters:
this (PivotColors)
mode (int)
base_line_args (LineArgs type from robbatt/lib_plot_objects/5)

method get_label_args(this, mode, base_label_args, bg_colors)
Namespace types: PivotColors
Parameters:
this (PivotColors)
mode (int)
base_label_args (LabelArgs type from robbatt/lib_plot_objects/5)
bg_colors (PivotColors)

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⋅ 2023年7月8日早上7點52分

v3 added reference series into HLData for use in zigzags, added functions to generate LineArgs and LabelArgs based on Pivot mode

Updated:
method get_line_args(this, mode, base_line_args)
Namespace types: PivotColors
Parameters:
this (PivotColors)
mode (int)
base_line_args (LineArgs type from robbatt/lib_plot_objects/6)

method get_label_args(this, mode, base_label_args, bg_colors)
Namespace types: PivotColors
Parameters:
this (PivotColors)
mode (int)
base_label_args (LabelArgs type from robbatt/lib_plot_objects/6)
bg_colors (PivotColors)

HLData
new Fields:
ref_highest (series float)
ref_lowest (series float)

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⋅ 2023年7月8日早上8點01分

v4 fixed calculation error

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⋅ 2023年7月8日上午10點09分

v5 added shortcuts for extracting and using HLData via Point Object

Updated:
method update(this, update, prev)
Namespace types: Pivot
Parameters:
this (Pivot)
update (Point type from robbatt/lib_plot_objects/6)
prev (Pivot)

method create_next(this, update)
Namespace types: Pivot
Parameters:
this (Pivot)
update (Point type from robbatt/lib_plot_objects/6)

HLData
added Fields:
h (Point type from robbatt/lib_plot_objects/6)
l (Point type from robbatt/lib_plot_objects/6)

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⋅ 2023年7月8日上午10點45分

v6 update lib_plot_objects to v7

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⋅ 2023年7月8日中午11點50分

v7 added default xloc to HLData

Updated:
HLData
added Fields:
xloc (series string)

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⋅ 2023年7月8日下午4點32分

v8 prevent neutral mode for follow up pivots, take opposite of previous direction in case of pivot has same price level as previous

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⋅ 2023年7月8日下午4點52分

v9 added variables to tostring for debugging

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⋅ 2023年7月8日下午4點56分

v10 added variables to tostring

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⋅ 2023年7月8日下午5點48分

v11 auto-position pivot labels depending on mode

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⋅ 2023年7月8日晚上8點28分

v12 update to lib_plot_objects v8

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⋅ 2023年7月8日晚上8點34分

v13 changed default colors for HL/LH

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⋅ 2023年7月9日上午10點36分

v14 added methods
update_relation: to calculate all values relating to another pivot point
add_next: doing that automatically when adding a Pivot to an array of Pivots

Added:
method update_relation(this, prev)
Namespace types: Pivot
Parameters:
this (Pivot)
prev (Pivot)

method add_next(id, point, max)
Namespace types: Pivot[]
Parameters:
id (Pivot[])
point (Point type from robbatt/lib_plot_objects/8)
max (int)

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⋅ 2023年7月9日上午10點57分

v15 added same direction check in update_relation

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⋅ 2023年7月9日中午11點44分

v16 added functions for management of Pivots in arrays, used to create Zigzag lines

Added:
method update_last(id, update)
Namespace types: Pivot[]
Parameters:
id (Pivot[])
update (Point type from robbatt/lib_plot_objects/8)

method update_last_or_add_next(id, point)
Namespace types: Pivot[]
Parameters:
id (Pivot[])
point (Point type from robbatt/lib_plot_objects/8)

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⋅ 2023年7月9日下午1點18分

v17 simplified initialization of pivot array, updated demo

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⋅ 2023年7月9日下午2點26分

v18 improved error messages

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⋅ 2023年7月9日下午5點14分

v19 refactored update mechanism of last Pivot[] item

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⋅ 2023年7月10日下午2點43分

v20 fine tuned zigzag demo algorithm and unit tests

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⋅ 2023年7月12日下午2點24分

v21 updated demo, including dashed lines for unconfirmed last leg

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⋅ 2023年7月12日下午2點35分

v22 add direction cast to integer

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⋅ 2023年7月12日下午2點38分

v23 removed debug outputs

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⋅ 2023年7月12日下午3點49分

v24 update to lib_plot_objects v9

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⋅ 2023年7月14日下午3點08分

v25 added shortcut for lib_zig

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⋅ 2023年7月14日下午3點23分

v26 updated lib_plot_objects to v10

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⋅ 2023年7月15日晚上7點28分

v27 added Candle data to HLData for more precise calculation of Zigzag trend change

Updated:
HLData
HLData wraps the data received from ta.highest, ta.highestbars, ta.lowest, ta.lowestbars, as well as the reference sources
Fields:
lowest_candle (Candle type from robbatt/lib_plot_objects/11)
highest_candle (Candle type from robbatt/lib_plot_objects/11)
h (Point type from robbatt/lib_plot_objects/11)
l (Point type from robbatt/lib_plot_objects/11)

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⋅ 2023年7月15日晚上7點42分

v28 renamed HLData h and l to highest_point and lowest_point, to prevent mixup with highest_candle.h and lowest_candle.l
added candle data to HLData tostring

Updated:
HLData
HLData wraps the data received from ta.highest, ta.highestbars, ta.lowest, ta.lowestbars, as well as the reference sources
Fields:
highest_point (Point type from robbatt/lib_plot_objects/11): data of the highest point within lookback bars
lowest_point (Point type from robbatt/lib_plot_objects/11): data of the lowest point within lookback bars

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⋅ 2023年7月16日早上8點15分

v29 added manual buffer to prevent max_bars_back compiler error, updated to lib_plot_objects using Candle objects

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⋅ 2023年7月16日上午9點11分

v30 optimized HLData init, made HLData candle_buffer accessible, added function to get current_candle

Added:
method current_candle(this)
Namespace types: HLData
Parameters:
this (HLData)

Updated:
HLData
HLData wraps the data received from ta.highest, ta.highestbars, ta.lowest, ta.lowestbars, as well as the reference sources
Fields:
candle_buffer (Candle[] type from robbatt/lib_plot_objects/12)

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⋅ 2023年7月16日下午1點06分

v31 refactored function signature of retracement_ratio from Pivot.retracement_ration(last_pivot, sec_last_pivot) to (sec_last_pivot, last_pivot) to match other functions and more intuitive usage

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⋅ 2023年7月20日早上8點17分

v32 moved runtime error for adding wrong direction Pivot to add_next instead of update_relation

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⋅ 2023年7月20日早上8點23分

v33 removed additional check

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⋅ 2023年7月20日下午4點56分

v34 update to lib_plot_objects v13

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⋅ 2023年7月21日下午3點48分

v35 version bump lib_plot_objects v14

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⋅ 2023年7月22日晚上6點25分

v36 version bump to lib_plot_objects v15

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⋅ 2023年7月23日下午1點36分

v37 added argument to store candle data with pivot

Updated:
method update(this, update, prev, candle)
Namespace types: Pivot
Parameters:
candle (Candle type from robbatt/lib_plot_objects/15)

method create_next(this, update, candle)
Namespace types: Pivot
Parameters:
this (Pivot)
update (Point type from robbatt/lib_plot_objects/15)
candle (Candle type from robbatt/lib_plot_objects/15)

method add_next(id, point, max, candle)
Namespace types: Pivot[]
Parameters:
id (Pivot[])
point (Point type from robbatt/lib_plot_objects/15)
max (int)
candle (Candle type from robbatt/lib_plot_objects/15)

method update_last(id, update, candle)
Namespace types: Pivot[]
Parameters:
id (Pivot[])
update (Point type from robbatt/lib_plot_objects/15)
candle (Candle type from robbatt/lib_plot_objects/15)

method update_last_or_add_next(id, point, max, candle)
Namespace types: Pivot[]
Parameters:
id (Pivot[])
point (Point type from robbatt/lib_plot_objects/15)
max (int)
candle (Candle type from robbatt/lib_plot_objects/15)

Pivot
Pivot additional pivot data around basic Point
Fields:
point (Point type from robbatt/lib_plot_objects/15)
mode (series int): can be -2/-1/1/2 for LL/HL/LH/HH
price_movement (series float): The price difference between this and the previous pivot point in the opposite direction
retracement_ratio (series float): The ratio between this price_movement and the previous
prev (Pivot)
candle (Candle type from robbatt/lib_plot_objects/15)

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⋅ 2023年7月23日下午1點57分

v38 version bump to lib_plot_objects v16

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⋅ 2023年7月25日早上8點35分

v39 version bump lib_plot_objects v17

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⋅ 2023年7月25日上午9點08分

v40 version bump lib_plot_objects v18

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⋅ 2023年7月25日上午9點47分

v41 version bump lib_plot_objects v19

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⋅ 2023年8月23日下午1點31分

v42 Added exceeded_by_any

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⋅ 2023年8月24日上午11點24分

v43 update to lib_plot_objects v23

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⋅ 2023年9月21日上午10點14分

v44 version bump to lib_plot_objects 25

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⋅ 2023年9月24日中午12點05分

v45 update to lib_plot_objects v32 and switch to chart.point objects instead of calculation via x/y coordinates

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⋅ 2023年10月7日晚上8點03分

v46 version bump lib_plot_objects v33

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⋅ 2023年10月7日晚上8點07分

v47 version bump lib_plot_objects v34

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⋅ 2023年12月29日晚上9點40分

v48 version bump lib_plot_objects v35

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⋅ 2023年12月30日下午3點01分

v49 version bump to lib_plot_objects v36

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⋅ 2024年1月15日下午2點56分

v50 added init function to initialize Pivot arrays on creation, added add_next to directly add Pivot objects

Added:
method init(id)
Namespace types: Pivot[]
Parameters:
id (Pivot[])

Updated:
method add_next(id, point, candle, max)
Namespace types: Pivot[]
Parameters:
id (Pivot[])
point (chart.point)
candle (Candle type from robbatt/lib_plot_objects/36)
max (int)

method update_last_or_add_next(id, point, candle, max)
Namespace types: Pivot[]
Parameters:
id (Pivot[])
point (chart.point)
candle (Candle type from robbatt/lib_plot_objects/36)
max (int)

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⋅ 2024年1月17日上午10點53分

v51 added force_update parameter to update_last, to allow for better control on custom zigzags

Updated:
method update_last(id, update, candle, force_update)
Namespace types: Pivot[]
Parameters:
id (Pivot[])
update (chart.point)
candle (Candle type from robbatt/lib_plot_objects/36)
force_update (bool)

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⋅ 2024年3月28日下午12點41分

v52 simplified create_next functions, providing default candle parameter value