OpenStreetMap
Gregory Peony's Comments
| Changeset | When | Comment |
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| 170047215 | [ENG] Hi, I do not believe that construction=building is a valid key tag combination for tagging buildings under construction. Either a pair of tags should be used e.g. building=construction & construction=yes , or a lifecycle prefix should be used e.g. construction:building=yes. construction:building=*
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| 170070199 | See my resolution in https://osmcha.org/changesets/170083000
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| 170070199 | Hi, these footprints are all valid and appropriately squared but oversized. Cross refernece Bing if it makes it easier to see that this is the case. Press f1 while your cursor is over the select mode icon in JOSM for modification shortcuts. I also recommend installing the extrude tool. --- When mapping buildings, please trace the shape accurately. Accurate building footpritns aid population estimates and prevent issues like data overlaps. Zoom in so that you can see the outline of the building and mark the corners carefully. Exclude shadows and yards when tracing the footprint. Keep in mind that you are looking at the roofs of buildings, but mapping their footprints. Generally pitched roofs overhang the walls of a building, so a footprint slightly smaller than the roof is accurate. Take care to make contributions that others can build upon. ---Please keep this feedback in mind when contributing in future. Thank you for your contribution.
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| 169902486 | Keep in mind that you are looking from above at roofs and consider the angle that a scene is captured from and how it is lit. I have improved the accuracy of these footprints here --- https://osmcha.org/changesets/170034787 --- I moved the footpritns to the base of the buildings where the walls meet the ground. Please keep this feedback in mind when contributing in future. Thank you for your contribution. If you want to experience the OSM community or to get timely feedback from other mappers; I recommend that you attend a mapathon. You can find events here https://osmcal.org/
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| 170078656 | Much improved. This is the best group of building footprints you've mapped so far. Generally their size and shape are accurate and they have been appropriately squared. What made the difference? It does not appear that you accounted for off-nadir by dragging the footprint to the base of the buildings: the S & W walls are visible in Bing. I encourage you to use ESRI as a secondary source. Thank you for your contribution. If you want to experience the OSM community or to get timely feedback from other mappers; I recommend that you attend a mapathon. You can find events here https://osmcal.org/
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| 169748893 | Good job spotting this building. though the footprint you mapped to represent it is oversized and has not been appropriately squared (q). Modify exieting data instead of deleting and re mapping where possible/practicable. Right click for some common editing options. See how I mapped this building here https://osmcha.org/changesets/170034387. I used Bing aligned to ESRI to aid my interpretation. Please keep this feedback in mind when contributing in future. Thank you for your contribution. If you want to experience the OSM community or to get timely feedback from other mappers; I recommend that you attend a mapathon. You can find events here https://osmcal.org/
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| 169748865 | Hi, welcome to OSM. Both footprints you added here represent buildings visible in the imagery. Good job identifying them as the scene in ESRI is slightly hazy here and the ground nearby is similar to the roof colour. I think these footprints are generally oversized. Consider how the scene is lit and how shadows are cast by objects in it. Do not incude the shadow when obtaining the size and shape of footprints. You can scale selected features using shift+(-/+). See how I mapped these here https://osmcha.org/changesets/170034267 Thank you for your contribution. If you want to experience the OSM community or to get timely feedback from other mappers; I recommend that you attend a mapathon. You can find events here https://osmcal.org/
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| 169931671 | Hi, all footprints you added here represent buildings visible in the imagery and you correctly distinguished between round and square buildings. Good job improving the accuracy of existing footprints; please modify existing data where possible instead of deleting and re mapping. Use shift+(-/+) to scale selected features in ID, right click for other editing options. Building foorptins are oversized; the square one is only minimally so. It looks like you referenced Bing which is good; do you know how to offset/align imagery sources? --- See how I mapped these buildings in https://osmcha.org/changesets/170033976 Thank you for your contribution. If you want to experience the OSM community or to get timely feedback from other mappers; I recommend that you attend a mapathon. You can find events here https://osmcal.org/
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| 169479176 | Overall I think this is a good contribution. I Provided feedback regarding identification of which buildings should be mapped seperately in https://tasks.hotosm.org/projects/24129/tasks?search=195
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| 168402687 | Generally you have identified buildings in the imagery but have not appropriately squared them. After mapping buildings, please remember to square their corners. Most buildings have square corners because that's easy to build. Unless the building is clearly a different shape then it's best to assume that the corners should be squared. In the iD Editor, use the `Q` key to square the corners. This [video about squaring features](https://youtu.be/Xs5wX592E1o) has more information and a guide. The footprint I flagged envelopes two buildings.
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| 164407294 | When mapping buildings, please trace the shape accurately. Accurate building footpritns aid population estimates and prevent issues like data overlaps. Zoom in so that you can see the outline of the building and mark the corners carefully. Exclude shadows and yards when tracing the footprint. Keep in mind that you are looking at the roofs of buildings, but mapping their footprints. Depending on how the scene is lit, pitched roofs may have light and dark sections that belong to one building. Generally pitched roofs overhang the walls of a building, so a footprint slightly smaller than the roof is accurate. You can scale selected features in ID with shift+(-/+), or JOSM with ctrl.+alt+Lclick & drag. Take care to make contributions that others can build upon. Please keep this feedback in mind when contributing in future. Thank you for your contribution.
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| 164406711 | Hi, you identified buildings in the imagery and distinguished between square and round footpritns, well done. You have however mapped the square buildings with very unique and complex shapes After mapping buildings, please remember to square their corners. Most buildings have square corners because that's easy to build. Unless the building is clearly a different shape then it's best to assume that the corners should be squared. In the iD Editor, use the `Q` key to square the corners. This [video about squaring features](https://youtu.be/Xs5wX592E1o) has more information and a guide.
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| 164176953 | You used Bing to map the buildings in the West here meaning that they were not properly aligned with others. I advocate for using mltiple sources where it helps, but I recommend aligning the sources you use before mapping for the best results. I moved the footprints into alignment.
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| 164177316 | The footpritns I flagged here are oversized becasue the shadow cast by the building has been included in the shape of the footprint. I think the Southern footprint you added here is most accurate. When mapping buildings, please trace the shape accurately. Accurate building footpritns aid population estimates and prevent issues like data overlaps. Zoom in so that you can see the outline of the building and mark the corners carefully. Exclude shadows and yards when tracing the footprint. Keep in mind that you are looking at the roofs of buildings, but mapping their footprints. Depending on how the scene is lit, pitched roofs may have light and dark sections that belong to one building. Generally pitched roofs overhang the walls of a building, so a footprint slightly smaller than the roof is accurate. You can scale selected features in ID with shift+(-/+), or JOSM with ctrl.+alt+Lclick & drag. Take care to make contributions that others can build upon.
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| 164177471 | All but the footprint I flagged here represent buildings and are appropriately squared but could be more accurate.
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| 168402707 | You maped valid and accurate footprints here. The NE footprint would have been more accurate if it were slightly smaller. The SW one is pretty much mapped as well as the imagery allows. Thank you for your contribution. If you want to experience the OSM community or to get timely feedback from other mappers; I recommend that you attend a mapathon. You can find events here https://osmcal.org/
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| 168402706 | Hi you identified buildings in the imagery here but they are square; not round. Round buildings cast a rounded shadow not straight lines. See how I mapped them here https://osmcha.org/changesets/169536083 Please keep this feedback in mind when contributing in future. Thank you for your contribution. If you want to experience the OSM community or to get timely feedback from other mappers; I recommend that you attend a mapathon. You can find events here https://osmcal.org/
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| 168402731 | Hi, you did a good job differentiating between round and square buildings here. Some of the footprints could be smaller. Keep in mind that you are looking at the roofs of buildings, but mapping their footprints. Depending on how the scene is lit, pitched roofs may have light and dark sections that belong to one building. Generally pitched roofs overhang the walls of a building, so a footprint slightly smaller than the roof is accurate. You can scale selected features in ID with shift+(-/+). The square footprints should have been squared with q. I flagged one footprint which likely represents temporal yurts and should not be mapped, because it won't be there for long; I deleted it. Thank you for your contribution. If you want to experience the OSM community or to get timely feedback from other mappers; I recommend that you attend a mapathon. You can find events here https://osmcal.org/
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| 166863615 | Hi Anaé, generally you are identifying buildings in the imagery but the footprints I flagged envelope multiple buildings. Each footprint should represent one builsing. Please keep this feedback in mind when contributing in future. Thank you for your contribution. If you want to experience the OSM community or to get timely feedback from other mappers; I recommend that you attend a mapathon. You can find events here https://osmcal.org/
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| 159432249 | This is not a building but a tower; you can tell because of the long shadow it casts to the NW. I mapped it here https://osmcha.org/changesets/169534487 Please keep this feedback in mind when contributing in future. Thank you for your contribution. If you want to experience the OSM community or to get timely feedback from other mappers; I recommend that you attend a mapathon. You can find events here https://osmcal.org/
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