R-tree – Another Example (1/2)

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Presentation transcript:

R-tree – Another Example (1/2) Antonin Guttman. 1984. R-trees: a dynamic index structure for spatial searching. In Proceedings of the 1984 ACM SIGMOD international conference on Management of data (SIGMOD '84)

R-tree – Another Example (2/2) Antonin Guttman. 1984. R-trees: a dynamic index structure for spatial searching. In Proceedings of the 1984 ACM SIGMOD international conference on Management of data (SIGMOD '84)

Insert the new data point Nw into the R-tree shown R-tree – Insertion Another Example Insert the new data point Nw into the R-tree shown Nw Antonin Guttman. 1984. R-trees: a dynamic index structure for spatial searching. In Proceedings of the 1984 ACM SIGMOD international conference on Management of data (SIGMOD '84)

Nw goes here creating an overflow R-tree – Insertion Another Example Nw Nw goes here creating an overflow Antonin Guttman. 1984. R-trees: a dynamic index structure for spatial searching. In Proceedings of the 1984 ACM SIGMOD international conference on Management of data (SIGMOD '84)

Nw goes here creating an overflow R-tree – Insertion Another Example Nw Nw goes here creating an overflow

R-tree – Another Example Splitting R3 Nw

R-tree – Another Example Splitting R3: Step 1 Nw

R-tree – Another Example Splitting R3: Step 2 Nw

R-tree – Another Example Splitting R3: Step 3 Nw

R-tree – Another Example Splitting R3

R-tree – Another Example Adjusting the tree M =3 m =2 R3 R4 R5 Nw R8 R9 R10

R-tree – Another Example Adjusting the tree M =3 m =2 R3 R4 R5 R3’’ should go into this Nw R8 R9 R10

Overflow: This should be split R-tree – Another Example Adjusting the tree M =3 m =2 Overflow: This should be split R3 R3’’ R4 R5 Nw R8 R9 R10

R-tree – Another Example Splitting R3 R3’’ R4 and R5

R-tree – Another Example Splitting R3 R3’’ R4 and R5

R-tree – Another Example Splitting R3 R3’’ R4 and R5

R-tree – Another Example Splitting R3 R3’’ R4 and R5

R-tree – Another Example Splitting R3 R3’’ R4 and R5

Overflow: This was split R-tree – Another Example Adjusting the tree M =3 m =2 R1 R2 R3 R3’’ R4 R5 Overflow: This was split Nw R8 R9 R10

R-tree – Another Example Adjusting the tree M =3 m =2 R1 R1’ R2 R3 R3’’ R4 R5