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Drawing lines on the map?

Drawing lines on the map?

avatar
(anonymous user) 
Product: PowerShell Universal
Version: 4.2.17


I am trying to use New-UDMapVectorLayer to draw a line on the map, but I can’t seem to see the proper way to mark the positions. Here is what I have so far (fake lat/long)

New-UDMapVectorLayer -Polyline -Positions @{
               [PSCustomObject]@{Latitude = "37" ; Longitude = "-75" }
               [PSCustomObject]@{Latitude = "38" ; Longitude = "-76" }
        }


Nothing pops up on the map though I tried doing geojson as well with no luck

$geojson = @'
 {
    "type": "Feature",
    "geometry": {
      "type": "linestring",
      "coordinates": [[37, -75], [38, -76]]
    },
  "properties": {
    "name": "testline"
  }
  }
'@ | ConvertTo-Json
    New-UDMapVectorLayer -GeoJSON $geojson


It did give me an error though

Error rendering component (map-vector-layer)

Error: Minified React error #152; visit https://reactjs.org/docs/error-decoder.html?invariant=152&args[]=Component for the full message or use the non-minified dev environment for full errors and additional helpful warnings.


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All Comments (3)

avatar

@Adam Driscoll Do you have any examples or documentation for drawing a polyline on a map? I couldn’t find anything for either Powershell Universal, or the old Universal Dashboard versions.

avatar

Tried a few more things here after looking at the current map documentation for an interactive map and seeing the heatmap was an array of arrays. Neither of these gives me the polylines though.

New-UDMapVectorLayer -Polyline -Positions {
            @(
               @("37", "-75"),
               @("38", "-76")
            )
        }


New-UDMapVectorLayer -Polyline -Positions {
               @("37", "-75")
               @("38", "-76")
        }


Noticed that some examples have the components in a overlay, so I tried that, as well as setting fill color, opacity, and weight. Still no dice.

New-UDMapOverlay -name "polyline" -content {
            New-UDMapVectorLayer -FillColor "black" -FillOpacity 100 -opacity 100 -weight 50 -Polyline -Positions {
                @("37", "-75")
               @("38", "-76")
            }
        }


avatar

Ok. Got it working.

New-UDMapVectorLayer -FillColor "black" -FillOpacity 100 -opacity 100 -weight 50 -Polyline -Positions @(
                @("37", "-75");
                @("38", "-76")
            )


@Adam Driscoll, can this be added to the documentation for future people?

EDIT:
Found a fork of old UD documentation that specifically shows it should be an array of arrays.

github.com
The current help/documentation just says it’s an object

github.com