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1 | 1 | # pgr_bdAstar |
2 | 2 |
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3 | | -- Uses BBOX of the QGIS canvas to limit the resulting path(s) |
4 | | - |
5 | | -- Buttons: |
6 | | - - : Draws in the canvas the resulting path |
7 | | - - : Removes from the canvas objects generated with Preview |
8 | | - - : Creates a one row per edge line geometry layer |
9 | | - - Layer name: |
10 | | - ``` |
11 | | - (< U|D >) pgr_bdAstar: < source_id > to < target_id> BBOX(< bbox >) |
12 | | - ``` |
13 | | - - : Creates a one row per path multiline geometry layer. As many rows as needed. |
14 | | - - Layer name: |
15 | | - ``` |
16 | | - (M < U|D >) pgr_bdAstar: < source_id > to < target_id> BBOX(< bbox >) |
17 | | - ``` |
18 | | - |
19 | | -## TODO fix image |
20 | | - |
| 3 | +- # pgr_bdAstar |
| 4 | + |
| 5 | + |
| 6 | +|Button|Action| |
| 7 | +| ----------- | --------- | |
| 8 | +||Opens the web page of the documentation of pgr_bdAstar| |
| 9 | +|| Choose pgr_bdAstar on the drop down box| |
| 10 | + |
| 11 | +## Edges SQL tab |
| 12 | + |
| 13 | + |
| 14 | +|Field|Action| |
| 15 | +| ----------- | --------- | |
| 16 | +|| Write the table name of the edges| |
| 17 | +||Write the schema of the edge table| |
| 18 | +||Write the geometry column name| |
| 19 | +||Tick to use the Bounding Box of the QGIS canvas to limit the rows of edge table | |
| 20 | + |
| 21 | +### Columns |
| 22 | + |
| 23 | +|Field|Action| |
| 24 | +| ----------- | --------- | |
| 25 | +|| Write the column that has the edge identifier| |
| 26 | +||Write the column that has the edge source| |
| 27 | +||Write the column that has the edge target| |
| 28 | +||Write the column that has the cost of the edge source -> target| |
| 29 | +||Write the column that has the cost of the edge target -> source, the column will be used when the box is ticked | |
| 30 | +||Write the geometry column name| |
| 31 | +||Write the geometry column name| |
| 32 | + |
| 33 | +## Arguments tab |
| 34 | + |
| 35 | + |
| 36 | +|Field|Action| |
| 37 | +| ----------- | --------- | |
| 38 | +|| Choose with  or write the comma separated identifiers of the start vertices| |
| 39 | +||Choose with  or write the comma separated identifiers of the destination vertices| |
| 40 | +|| Heuristic number. Current valid values `0~5` . Default ``5``| |
| 41 | +|| For units manipulation. `factor > 0`. Default ``1``. See `astar_factor`.| |
| 42 | +|| For less restricted results. `epsilon >= 1`. Default ``1``.| |
| 43 | +|| Tick if the graph is directed | |
| 44 | + |
| 45 | +## Execute tab |
| 46 | + |
| 47 | + |
| 48 | +|Button|Action| |
| 49 | +| ----------- | --------- | |
| 50 | +|| Draws in the canvas the resulting path | |
| 51 | +|| Removes from the canvas objects generated with Preview| |
| 52 | +|| Creates a one row per edge line geometry layer| |
| 53 | +|| Creates a one row per path multiline geometry layer. As many rows as needed| |
| 54 | + |
| 55 | + |
| 56 | +Depending on the pressed button the layer name will be |
| 57 | +``` |
| 58 | +(<U|D>) pgr_bdAstar: <source_id> to <target_id> BBOX(<bbox>) |
| 59 | +(M <U|D>) pgr_bdAstar: <source_id> to <target_id> BBOX(<bbox>) |
| 60 | +``` |
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