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COVID-19 Status & Maps
Daily status of the COVID-19 pandemic and its relationship to the trails.
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Free online data books for your favorite trail, distances, elevation, climate, way points, terrain & fauna
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Source for trail and site information or just talk about your favorite trail
How close to the trail am I? This tends to be a common question whether you're on the trail or sitting at home binge watching your favorite series while self isolating.
Here are several ways you can answer that question regardless of your tech-saviness.
Postholer Google Trail Maps
This is by far the easiest way to find your proximity to the trail, and you have access to a fully interactive map in the process. This requires a device with location services enabled, like a smartphone (Hint: a desktop PC may not work well). Here's how:
Create a .PNG/.JPG Image
You can create a static image with tons of additional info to suit your taste. This requires a bit of tech-saviness. We'll use Project GIS for this.
So, here's what we have so far:
http://gis.postholer.com/services/reflect? service=WMS &layers=stateLines,trace,mileMarker,findNearest &trail_id=3 &bbox=-126,24,-66,50 &lat=41.752832 &lon=-124.194178 &height=400 &t_srs=EPSG:900913
As a proper URI (no spaces or new lines), it will look like this:
Plug that into your browser (or just click it) and you should see:
Get it as CSV/JSON
Getting the information textually is almost identical to getting an image. Let's build the URI:
http://gis.postholer.com/services/reflect? service=WFS &typename=findNearest &trail_id=3 &srs=EPSG:4269 &lat=41.762278 &lon=-124.251570 &outputformat=text/csv
As you'll notice 'layers' was replaced by 'typename' and it should only have a single value. The full documention for WFS layers can be found in Project GIS.
The complete URI is:
Plug that into your browser (or just click it) and the resulting file should look like:
WKT,fid,type,distmiles,distkm,bearingtotrail,yourlocation "POINT (-84.198417 34.650986)","1",trail,"2150.5","3460.9","100",41.762278 -124.25157 "POINT (-124.25157 41.762278)","2",location,"2150.5","3460.9","100",41.762278 -124.25157
The above is for CSV. To get JSON change outputformat to &outputformat=application/json
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