partmode

partmode chooses whether the index lists of the parts that follow hold node indices or element counts.

Syntax

partmode s | i

s: standard mode. Each index list entry is a node index, and each coordinate list has as many values as its index list.
i: interval mode. Each index list entry is the number of elements in one region, so an index list has one entry fewer than its coordinate list.

What it does

In interval mode James converts each list of element counts to node indices when it reads the block or cylinder command, and the IR shows the node indices. The default is s.

When James applies it

When it is read, before the next block or cylinder. It sets a session mode and applies to every later part until the next partmode. It is legal in the Control and Merge phases, not inside a part.

Rules James adds

partmode persists. It is not used up by the next part. A script that wants interval mode for three parts writes it once.

Diagnostics

E0415: the mode is missing or is not s or i.

Example

The script tests/corpus/164-partmode-i-element-counts/input.tg, which make test runs:

c partmode i reads element counts, which the IR shows as node indices.
partmode i
block 3 2;4;1 1;0 1 2;0 2;0 1 2;
endpart

The i list 3 2 is two regions of 3 and 2 elements, so the IR shows the node indices [1 4 6] with the coordinates [0 1 2]. The j list 4 becomes [1 5] and the k list 1 1 becomes [1 2 3].