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How lo use selector option in shaperead to load only vector elements bounded in a area?

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pietro
pietro on 30 Sep 2018
Commented: KSSV on 30 Sep 2018
Hi all,
I have a very large shapefile of road-network containing only coordinates and the type of elements (i.e. line) (JFI, you will find the shapefile here. Since this file is hard to process even for my computer with 16GB and I am not interested in all the elements included in the shape file, is it possible load only the roads bounded in a circled/boxed area centered at the coordinate lat0, lon0 with a radius/side of 100km? Thus, I will reduce the size of the shape loaded vector struct array. Thanks.
Best regards,
Pietro
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