Intersection

The intersection.csv file contains a list of the blocks that each segment intersects using a spatial intersection test. See Table 24, “Intersection file format description” for a detailed description of the segment file format.

Table 24. Intersection file format description

Field nameData typeDescription
SEGMENTStringAn alphanumeric label that is used to identify the segment. The label must match to a value in the segments.csv file (see segments.
BLOCKStringAn alphanumeric label that is used to identify the block being intersected by the segment. The label must match to a value in the block.csv file (see the section called “Blocks”.

This file provides spatial intersection information to the Patchworks program that can be used by the intersection function.

Below is an example of several intersection.csv records:

 SEGMENT, BLOCK
 1321, 3526
 1322, 3526
 1322, 3542
 1323, 3994
 1323, 3526
 ...