Glad you diligently check things before you open your mouth. Tasks have been taken down since the initial email on this topic(1st email).
On Thu., Mar. 21, 2019, 2:30 p.m. Nate Wessel, <bike...@gmail.com> wrote: > I've specifically and repeatedly requested that the tasking manager be > taken down while this project is reworked... though that doesn't pertain > directly to the email I just sent. > Nate Wessel > Jack of all trades, Master of Geography, PhD candidate in Urban Planning > NateWessel.com <http://natewessel.com> > > On 3/21/19 2:02 PM, John Whelan wrote: > > Nate are you requesting something specific on the Canadian task manager > for Toronto at this time or would you prefer to look through Daniel's work > first? > > Thanks > > Cheerio John > > Nate Wessel wrote on 2019-03-21 1:49 PM: > > Daniel, > > This is exciting news! After much talk on this list, it seems we may have > some actual progress toward fixing the various data quality issues. Would > you mind sharing some of your code, or a description of your workflow here > or on GitHub or the like so we can take a look? > > One thing you didn't mention which I think will be really critical, > especially in central Toronto: We need to remove buildings from the import > dataset that may already be mapped in OSM. That is, buildings that overlap > with existing buildings. For this import to make any sense in Central > Toronto, we need conflation to move slowly, and in smaller, more manageable > steps. Buildings that are already mapped should be checked manually at a > later time in batches that a skilled human can manage in less than an hour. > The tasking manager as it's currently set up would have all of downtown > conflated by hand in one task by a single mapper - a recipe for disaster > I'm sure, given how detailed the map is in that area. > > Cheers, > Nate Wessel > Jack of all trades, Master of Geography, PhD candidate in Urban Planning > NateWessel.com <http://natewessel.com> > > On 3/19/19 12:58 PM, Begin Daniel wrote: > > Hi all, > > As mentioned a few weeks ago, I have almost completed the development of a > clean-up tool for the data to be imported. > > So far, it removes nonessential vertices, orthogonalizes building corners > when reasonable and ensures walls’ alignment within given tolerances. > Building footprints that can’t be processed completely are flagged > accordingly, so they could be examined thoroughly at import time. > > Eventually, It should be easy to remove overlapping buildings (potentially > generated from a 3d mapping), but I doubt that splitting terrace into > individual buildings can be done automatically. > > The tool uses some parameters that need to be adjusted. I would like that > those who are interested in this aspect of the import send me benchmark > data that could be problematic. I will process them to adjust parameters > and/or the tool, and I will send back the results to the sender for a > thorough examination. > > I should soon document the process in the “Canada Building Import” wiki > page (in a pre-processing section). > > > > Thought? Comments? > > > > Daniel > > > > _______________________________________________ > Talk-ca mailing > listTalk-ca@openstreetmap.orghttps://lists.openstreetmap.org/listinfo/talk-ca > > _______________________________________________ > Talk-ca mailing > listTalk-ca@openstreetmap.orghttps://lists.openstreetmap.org/listinfo/talk-ca > > > -- > Sent from Postbox > <https://www.postbox-inc.com/?utm_source=email&utm_medium=siglink&utm_campaign=reach> > > _______________________________________________ > Talk-ca mailing list > Talk-ca@openstreetmap.org > https://lists.openstreetmap.org/listinfo/talk-ca >
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