5.4. Crossing of lines
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## 5.4. Crossing of lines #

Another binary relationship is crossing. pgSphere supports only crossing of lines. The correlative operator is named `#`.

Example 5.8. Are the lines crossed?

    sql> SELECT sline '(0d,0d,0d),10d' # sline '(90d,5d,5d,XYZ),10d' AS test ;
     test
    ------
     t
    (1 row)

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5.3. Contain and overlap | Home | 5.5. Distance