### 46.1 Understanding how DITA2Map works

If you have a DITA topic file, either .dita or one of its specializations, or a collection with <dita> as root, you can use command-line program DITA2Map to generate a .ditamap.

Working from an optional configuration file, a DTD, and your DITA topic file, DITA2Map generates a .ditamap by making a topicref from each topic ID, title, and shortdesc (if any) in the topic file. DITA2Map nests the topicrefs as the topics are nested, and optionally adds a reltable with one row and a column for each topic type found.

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Next Topic: 46.2 Setting up a DITA2Map project

Parent Topic: 46. Creating a map with DITA2Map

Sibling Topics:

46.2 Setting up a DITA2Map project

46.3 Specifying DITA2Map configuration options

46.4 Running DITA2Map

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