Template:MOS degrees/doc: Difference between revisions

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The default extend value is the number of large steps ''per period''. This means for multi-period mosses, there is an ascending and descending chain for each period.
The default extend value is the number of large steps ''per period''. This means for multi-period mosses, there is an ascending and descending chain for each period.


As an example using 5L 2s, a value of 5 effectively shows the two possible note names for all of the black keys on a standard piano.
<pre>{{MOS degrees|Scale Signature=5L 2s|Genchain Extend=5}}</pre>
{{MOS degrees|Scale Signature=5L 2s|Genchain Extend=5}}
Changing this value to 0 means only the naturals are shown.
Changing this value to 0 means only the naturals are shown.
<pre>{{MOS degrees|Scale Signature=5L 2s|Genchain Extend=0}}</pre>
<pre>{{MOS degrees|Scale Signature=5L 2s|Genchain Extend=0}}</pre>
{{MOS degrees|Scale Signature=5L 2s|Genchain Extend=0}}
{{MOS degrees|Scale Signature=5L 2s|Genchain Extend=0}}
As another example, changing this value to 5 effectively shows the two possible note names for all of the black keys on a standard piano.
To show only the minor intervals, consider that the UDP here is 5<nowiki>|</nowiki>1, meaning that the ascending chain starts with 5 generators and the descending chain starts with 1 generator. Going up one more generator produces the augmented 4th, so it's not necessary to extend the ascending chain. Going down 4 more generators produces all of the minor intervals and one more after that produces the diminished 5th, so the descending chain should be extended further by 4.
<pre>{{MOS degrees|Scale Signature=5L 2s|Genchain Extend=5}}</pre>
{{MOS degrees|Scale Signature=5L 2s|Genchain Extend=5}}
To show only the minor intervals in this example, consider that the UDP here is 5<nowiki>|</nowiki>1, meaning that the ascending chain starts with 5 generators and the descending chain starts with 1 generator. Going up one more generator produces the augmented 4th, so it's not necessary to extend the ascending chain. Going down 4 more generators produces all of the minor intervals and one more after that produces the diminished 5th, so the descending chain should be extended further by 4.


This template supports entering separate values for the ascending and descending extend values; the first will be for the ascending chain and the second for the descending chain, as shown below.
This template supports entering separate values for the ascending and descending extend values; the first will be for the ascending chain and the second for the descending chain, as shown below.
<pre>{{MOS degrees|Scale Signature=5L 2s|Genchain Extend=0,4}}</pre>
<pre>{{MOS degrees|Scale Signature=5L 2s|Genchain Extend=0,4}}</pre>
{{MOS degrees|Scale Signature=5L 2s|Genchain Extend=0,4}}
{{MOS degrees|Scale Signature=5L 2s|Genchain Extend=0,4}}
=== Changing the degree notation ===
=== Changing the degree notation ===
There are currently two ways of naming scale degrees supported by this template: using TAMNAMS numbering (which starts at 0 for the unison) and ordinal numbering (which starts at the 1st for the unison). The default is TAMNAMS degree notation, but in cases where diatonic ordinal categories make sense for non-diatonic mosses, this can be changed to ordinal notation as shown below.
There are currently two ways of naming scale degrees supported by this template: using TAMNAMS numbering (which starts at 0 for the unison) and ordinal numbering (which starts at the 1st for the unison). The default is TAMNAMS degree notation, but in cases where diatonic ordinal categories make sense for non-diatonic mosses, this can be changed to ordinal notation as shown below.