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Riccardo
Partner - Creator III
Partner - Creator III

polygon minus polygon (polygon with hole)

Hi everyone,

I have to render a polygon minus another polygon like that... 

 

ciambella.JPG

 

How can I do in Qlik Sense with GeoJSON  sintax?

Is it a multi-polygon with particolar syntax? I think it is a multy-poligon with a master polygon and two polygons in minus with the master...

Thank you,

Regards

Riccardo Schillaci
BI Technical Analyst
Datawarehouse & Business Intelligence
Labels (2)
1 Solution

Accepted Solutions
Riccardo
Partner - Creator III
Partner - Creator III
Author

According with GEO-1474, this is a bug and it will fixed on Release February 2020.

For the meantime we will use the Native Map.

 

Thanks

Riccardo

Riccardo Schillaci
BI Technical Analyst
Datawarehouse & Business Intelligence

View solution in original post

6 Replies
Riccardo
Partner - Creator III
Partner - Creator III
Author

I think I found the solution here: https://tools.ietf.org/html/rfc7946#appendix-A.3  but it seems to not work...

 

Here is an example:

1. Go to http://geojson.io and put on the right the polygon attached at the bottom of this post

2. See the same polygon in Qlik Sense GeoAnalytics

 

geojsonqlik.JPG

geojson:

{
"type": "Polygon",
"coordinates": [
[
[
11.260128021240234,
43.76151727392542
],
[
11.28793716430664,
43.7618892071541
],
[
11.287035942077637,
43.77778719037457
],
[
11.259183883666992,
43.77645477314373
],
[
11.260128021240234,
43.76151727392542
]
],
[
[
11.263518333435059,
43.773510955400546
],
[
11.26399040222168,
43.763996785107864
],
[
11.28119945526123,
43.7648026041154
],
[
11.274504661560059,
43.773727873232566
],
[
11.267552375793457,
43.774998376162486
],
[
11.263518333435059,
43.773510955400546
]
]
]
}

Thanks

R.

Riccardo Schillaci
BI Technical Analyst
Datawarehouse & Business Intelligence
Patric_Nordstrom
Employee
Employee

Try in the native mapchart, it has better support for multipolygons with holes.

 

Thanks,

Patric

Riccardo
Partner - Creator III
Partner - Creator III
Author

What differences are there between the GeoAnalytics Extension and the Native Map charts?

 

I have to put into Map:

- 3 Area Layer

- 2 Bubble Layer

 

Can I use Native Map Charts instead of GeoAnalytics Extension?

Riccardo

Riccardo Schillaci
BI Technical Analyst
Datawarehouse & Business Intelligence
Patric_Nordstrom
Employee
Employee

Yes, by now the native map chart has almost the same visualization features.

There are some missing but we are adding features every milestone. Custom toolips and image symbols are coming (most likely) in spring 2020.

Thanks,

Patric

Riccardo
Partner - Creator III
Partner - Creator III
Author

Thank you very much.

 

R.

Riccardo Schillaci
BI Technical Analyst
Datawarehouse & Business Intelligence
Riccardo
Partner - Creator III
Partner - Creator III
Author

According with GEO-1474, this is a bug and it will fixed on Release February 2020.

For the meantime we will use the Native Map.

 

Thanks

Riccardo

Riccardo Schillaci
BI Technical Analyst
Datawarehouse & Business Intelligence