Grab/Issues
< Grab(Redirected from Grab/Errors)
Jump to navigation
Jump to search
This entry samples errors by the Grab mapping team, categorized under headings. The purpose is to create categories of mapping errors that can be systematically rectified. If the error is fixed please do not remove entry but use Strikethrough.
The format of the entries are temporary until something more suitable is established.
When describing the issues please use the form "Should ..." to describe what a corrected edit looks like in order to avoid ambiguity. For example "links to the way x" could mean that this link is an error, or there is a link to x otherwise it is assumed that the Description is a description of the issue.
It seems to be useful to use the graphview plugin in JOSM to visualize data quality issues.
Geometry errors
| Changeset | Way ID | Location | Description |
|---|---|---|---|
| 63079582 | -- | 13.746881,100.546036 | |
| 630137482, 630137481, 630155931 | 13.735101,100.5370541 | These service roads should not link to the RBSC road to the north of it. | |
| 628737803, 628737810 | 13.7438876,100.532651 | This doesn't seem to resemble anything on the ground. | |
| 637021353 | 13.7828701,100.3923308 | Service way in the middle of a basketball court, also sloppy geometry | |
| 629399960 | 13.6452883,100.49995515 | Should not link to residential road to the south. | |
| 62334593 | 623367619 | Segment crossing the railtrack should not exist, the rest is unknown | |
| 62268233 | 622603722, 622603715 | 13.8668856, 100.4582286 | Line unnecessarily split into two parts, unnecessary snaking where a straight line would suffice and goes through trees. |
| 62266775 | 622578777 | 13.8678211, 100.4589328 | Way going through trees, unnecessary curves. |
| 62367648 | 623774603 | 13.8720829, 100.4519151 | Way most likely going througha wall |
| 62366507 | 623766003, 623766005 | Unnecessarily complex geometry, a blob when a rectangle would suffice. | |
| 62367648 | 291772192 | Way clearly going through a house | |
| 62367648 | 623774621 | Russ had done the right thing with Way ID 159631225 but the way ID 623774621 was added unnecessarily. |
Tagging errors
| Changeset | Way ID | Location | Description |
|---|---|---|---|
| 31973318, 31973447 | 13.73417085,100.5341925 | secondary_link retagged to service | |
| 637021354 | 13.7833507,100.3922 | residential road tagged in park | |
| 246208560 | secondary_link retagged to secondary |