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Scales

foundations.png
Summary: Time Machines feature a Time Scale, a Rate Scale, and a Time Frame Scale. Timeline charts may implement the last two.
Time Scale
Foundations->Node->Time Scale->Definition
time-scale.png
The time scale controls the scale of the horizontal axis, that is, the timeline of the corresponding time machine, and of all of the timeline charts within it.
Foundations->Node->Time Scale->Content
Scale Minimum and Maximum Values
A time scale has a minimum and a maximum value. The minimum value is the value at the left border of the chart. The maximum, is the value at the right border of the chart.
In technical terms, the minimum and maximum scale values are constantly changing as, whenever you pan across the charts, you are directly affecting the minimum and maximum scale values. That said, the actual scale doesn't change when panning across a chart.
Automatic Scale
The system features an automatic adjustment of the scale, which is turned on by default in some of the Native Workspaces. The scale may be automatic in its minimum value, in its maximum value, in both, or none (manual mode).
  • When the scale is automatic in the minimum value, the scale is adjusted so that the chart shows all data from the beginning of the market. Panning the charts under such setting has the effect of compressing and decompressing the data against the left border of the chart.
  • When the scale is automatic in the maximum value, the scale is adjusted so that the chart shows all data until the end of the market. In such case, panning the charts has the effect of compressing and decompressing the data against the right border of the chart.
  • When the scale is automatic in both the minimum and maximum value, the scale is adjusted so that the chart shows the whole market. In such case, when you click and drag to pan the charts, the settings turns back to manual on both ends of the chart.
Manual Scale
The scale features a manual mode. When in manual mode the scale does not change, even if the minimum and maximum values change while panning through a chart. This is the natural state of the time scale.
Foundations->Node->Time Scale->Charts
Time Scale at the Charts
Automatic Scale
To change the automatic scale settings, place the mouse pointer over the corresponding time box, press the Shift key and slowly scroll the wheel of the mouse.
If you run into issues using the mouse wheel (certain OS + browser + mouse combinations may not work as expected), you may also point the mouse at the scale box and use to toggle through the different automatic modes.
  • A triangle pointing right means that the maximum value of the scale is automatic.
  • A triangle pointing left means that the minimum value of the scale is automatic.
  • Both triangles present at the same time means that both minimum and maximum values are automatic.
  • No triangle means that both minimum and maximum values are in manual mode.
Manual Scale
To adjust the scale, make sure either or both minimum and maximum values are in manual mode. Place the mouse pointer over the time box and scroll the wheel of the mouse. The scale will increase or decrease accordingly, depending on which values are set to manual.
Notice that, while changing the scale, a number is displayed replacing the actual datetime. This is a reference value of the scale, that may serve for comparison purposes, with scales in other charts.
Rate Scale
Foundations->Node->Rate Scale->Definition
rate-scale.png
The rate scale controls the scale of the vertical axis, that is, the scale of the quoted asset, either of the time machine or of the timeline chart, depending on where the node is located.
Foundations->Node->Rate Scale->Content
Rate scales may exist both at the level of a time machine and at the level of a timeline chart, each affecting the corresponding concept.
When set at the level of the time machine, the scale settings affect all charts within the time machine. When set at the level of the timeline chart, the settings override the rate scale at the time machine level.
Scale Minimum and Maximum Values
A rate scale has a minimum and a maximum value. The minimum value is the value at bottom of the chart. The maximum, is the value at the top of the chart.
In technical terms, the minimum and maximum scale values are constantly changing as, whenever you pan the charts vertically, you are directly affecting the minimum and maximum scale values. That said, the actual scale may change dynamically or not, depending on the scale-automation settings.
Automatic Scale
The system features an automatic adjustment of the scale, which is turned on by default in some of the Native Workspaces. The scale may be automatic in its minimum value, in its maximum value, on both, or on none (manual mode).
  • When the scale is automatic in the minimum value, the scale is adjusted so that no piece of information in the span of the chart ever remains below the bottom of the chart. As a result, the lowest data point aligns with the bottom of the chart.
  • When the scale is automatic in the maximum value, the scale is adjusted so that no piece of information in the span of the chart ever remains above the top of the chart. As a result, the highest data point aligns with the top of the chart.
  • The scale may be automated on either, or both minimum and maximum values at the same time. In the later case, no data point in the span of the chart ever remains out of the visible area of the chart, as the lowest data point aligns with the bottom of the chart and the highest aligns with the top.
Manual Scale
The system also features a manual mode. When in manual mode the scale does not change, even if the minimum and maximum values change while panning across a chart. This design feature allows comparing different periods using the same scale, which may be valuable in many cases.
Scale Offset
The offset is a feature of the rate scale by which the scale may be shifted upwards or downwards. As a result, charts aligned on the vertical axis—synchronized in datetime by a shared time machine—may be put one above the other. In technical terms, what happens is that the scale is shifted upwards or downwards.
Foundations->Node->Rate Scale->Charts
Rate Scale at the Charts
Automatic Scale
To change the automatic scale settings, place the mouse pointer over the corresponding time machine or timeline chart rate box, press the Shift key and slowly scroll the wheel of the mouse. The action cycles through different possible scale automation settings.
You may also place the mouse pointer on the scale box and use the side arrows to toggle through the different automation settings.
  • A triangle pointing up means that the maximum value of the scale is automatic.
  • A triangle pointing down means that the minimum value of the scale is automatic.
  • Both triangles present at the same time means that both minimum and maximum values are automatic.
  • No triangle means that both minimum and maximum values are in manual mode.
Manual Scale
To adjust the scale, make sure either or both minimum and maximum values are in manual mode. Place the mouse pointer over the corresponding time machine or timeline chart rate box and scroll the wheel of the mouse. The scale will increase or decrease accordingly, depending on which values are set to manual.
Alternatively, you may also place the mouse pointer on the scale box and use the vertical arrows to affect the scale.
Notice that, while changing the scale, a number is displayed replacing the actual rate. This is a reference value of the scale, that may serve for comparison purposes, with scales in other charts.
Scale Offset
To shift or offset a timeline chart on the vertical axis, place the mouse pointer on the rate box, left-click and drag upwards or downwards, as desired. The timeline chart will shift in the specified direction while the remaining charts stay in the same position.
Time Frame Scale
Foundations->Node->Time Frame Scale->Definition
time-frame-scale.png
The time frame scale controls the time frame setting, that is, the period represented by each candle, either of the time machine or of the timeline chart, depending on where the node is located.
Foundations->Node->Time Frame Scale->Content
When the time frame scale is set at the level of the time machine, the scale setting affects all charts within the time machine. When set at the level of the timeline chart, the setting overrides the time frame scale at the time machine level.
Foundations->Node->Time Frame Scale->Charts
Time Frame Scale at the Charts
To set a time frame value, place the mouse pointer over the corresponding time machine or timeline chart time frame box and scroll the mouse wheel.
Alternatively, you may place the mouse pointer and use the up and down arrows to toggle through the available time frames.
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