操作方法

操作方法:在权重过滤器中使用 bitgate 权重

Last Published: October 20, 2023

摘要

Note:
This article pertains to ArcGIS versions 8.x and 9.x only. Later versions of ArcGIS may contain different functionality, as well as different names and locations for menus, commands and geoprocessing tools.

This article explains how to set up filter ranges when using bitgate weights in weight filters.

过程

This example works with a geometric network that models electric phases. The geometric network contains a 3-bit bitgate weight to model the three electric phases (A, B, and C). Each phase is represented by one of the three bits:

  • Phase A = 4 (third bit)
  • Phase B = 2 (second bit)
  • Phase C = 1 (first bit)

Each permissible numerical value must be entered in the weight filter range. For example:

  • For tracing on Phase AB (either state of the C phase is acceptable), the weight filter range will be '6, 7, 0.' Six represents the state of 'A AND B AND Not C,' while 7 represents the state of 'A AND B AND C.' Zero indicates that tracing is allowed on features that don't have an associated feature attribute for this bitgate weight; for example, detached junctions. See related links for more information about the zero weight value.
  • For tracing on Phase A (either state of the B and C phases is acceptable), the weight filter range will be '4, 5, 6, 7, 0.'

文章 ID:000004513

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