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Concave Hulls of Polygons

lin-ear-th-inking.blogspot.com · published 20 May 2022

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https://gis.stackexchange.com/questions/164350/strategies-for-grouping-polygons

gis.stackexchange.com

https://gis.stackexchange.com/questions/291093/dissolving-neighbour-bordering-polygon-features-in-qgis

gis.stackexchange.com

https://gis.stackexchange.com/questions/218958/creating-bounding-extent-of-existing-polygon-with-same-geometry-using-qgis

gis.stackexchange.com

https://gis.stackexchange.com/questions/356480/enclose-polygons-that-are-not-overlapped-and-remove-gaps-between-them

gis.stackexchange.com

https://gis.stackexchange.com/questions/316000/using-st-union-to-combine-several-polygons-to-one-multipolygon-using-postgis

gis.stackexchange.com

https://gis.stackexchange.com/questions/229790/dissolve-adjacent-parts-of-multipolygon-into-a-single-polygon

gis.stackexchange.com

https://gis.stackexchange.com/questions/168999/postgis-how-to-dissolve-vector-data

gis.stackexchange.com

https://gis.stackexchange.com/questions/352884/how-can-i-get-a-polygon-of-everything-between-two-polygons-in-postgis

gis.stackexchange.com

https://gis.stackexchange.com/questions/49726/postgis-algorithm-to-unite-points-of-two-geometries-that-are-within-specified-ra

gis.stackexchange.com

JTS Polygon Triangulation, at last Read at the source ↗

lin-ear-th-inking.blogspot.com

https://en.wikipedia.org/wiki/Convex_hull

en.wikipedia.org

https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjmkaCBjIEmAMWvzKq-arNEGLzr6WA-3MjVEzoZGp1CSNcr-bjcFqjvwGHXwb-yuZqEigpy51PY6r_NGnU4PCw77zRzfzdFobMqXoBASHCwVxe9AASaC71WgsQWsfr-8GmuTZhRrslwdsXZjiqJhNtfC1QAmcGXKfvBnJeqKllN6oAR9r_CsoAODBQR/s468/convex-hull.png

blogger.googleusercontent.com

https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgqPihIu6XtNYEIYuREaHUcsq_4n1F18ADxinDQTHpEF2u8VyvqVZ9jgY83VmPdpxj6nf1I3S6d2kLFhFN_F7UlzYfYEtbvs3NmqmA-8J1CsOwwzFQyDIsBMnm3ojBvbYqtWO8j98fuJtl5zcVjdUu9I16DX3J2IWN52PG9YIDdDesiiZRvdv9WJ3y-/s476/buffer-unbuffer.png

blogger.googleusercontent.com

Concave Hulls in JTS Read at the source ↗

lin-ear-th-inking.blogspot.com

https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiVOqzAPmSlsKmOkdJbfv2I-T0uMT79Vg2qCT3fkWtqhKIuZKcjl5AR1TA3sC-FZk332S5drtYcqr2yupYnGnbe8ZSmsv6Vuo3Fc-Og7erH30Euz27fcn3n3zwBMDhCfwQe8ql8mhJJIjG_q9zLuu3f0gOFpecKSzTE0ompUddexnlcy8AZAVXigx2S/s508/concave-hull-points.png

blogger.googleusercontent.com

https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiaRMmJu9dcAegw41NmBJob-c8nbuvFmQv3rB4Obu9FCIBk9qinQjgbhYu1mKwnQo6MVMzc_IQhRQWoneFWg1fnmdtobAlK8zPoyep-jC9x1bVsQzPBmdMqHKMTcCaf89WMV_gpEfSeMLRP_hf2I2wcThGQr87w2ANhcaFjH7bSw6C1C1X9YH8gxoVk/s473/densify-concave-hull-points.png

blogger.googleusercontent.com

https://github.com/locationtech/jts

github.com

https://github.com/locationtech/jts/pull/870

github.com

https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgzoY5tNtJU-9yfiubsSN5AswdeUnuA1C7_LAYkLWFV9mui_PkM9tF8raO6kILeg3LWLsc8ZotEb1UPNYwXheEOUeT2DIDWVm2ce8qB7aNJ9epRQz1Ml9WC3iJIic3bex5_uCky2Z74ItH2KNV9OPJNA-QhTuI0ozyZaIAFasgaF5yV2MIW3nLD3ZpK/s467/concavehull-poly-gap.png

blogger.googleusercontent.com

https://github.com/locationtech/jts/blob/master/modules/core/src/main/java/org/locationtech/jts/algorithm/hull/ConcaveHullOfPolygons.java

github.com

https://github.com/locationtech/jts/pull/823

github.com

https://github.com/libgeos/geos

github.com

https://libgeos.org/usage/bindings/

libgeos.org

https://trac.osgeo.org/geos/wiki/Applications

trac.osgeo.org

https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgQdpX2Bjut8NQ4BHhQEwEiJ5lggjfQONODtU81U0JRS8IYNsFRqc0uDJJV56pGAT4m8few4qMoJMf467uvR8mC0TNSXLCuD87G7DgM3y0sHdwAzBUktuseOPO_VdEf1XjQqQOkhrxZnLzxZdBodRN99bDdwhjsj8ZiqFgyT58CiNREbAifDegQ5qbK/s657/concavehullpoly-buildings.png

blogger.googleusercontent.com

https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhFTtjjFXtEHuhq7EicC1JVdpl_CRZY-vuSXqJImnZqxJBO5oh3mLyNv_zo_nb-8B4ZwQZMJgXpIlSrWchGgG1q0iERWX_Cr_abAn7IQ9DQQcfabWDPWdXKJpiDnzR0Bjn0srx3ZJ-NdWpXXddncUUhXYSZZ3y_rSguenAxxm5EJCrwN_bNnGCVy-e1/s497/concavehull-poly-blocks.png

blogger.googleusercontent.com

https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgnC32rkRL_PM7Kjp11iWXtowsEAEkqvgfz4-YGnrEVXts1WzAKN49HjUXUW6oG8l6MxekT7M_W4Mc5iuAXi1_bwQjkoC37FuV0z_POFeL5oM8W9eYxBhzLXG2GDU4WaiqSNKlBwmA32g6ofhWk8ebWS1aeNAkZi3ojbGqydiOXKx4_dX3nNLoFJyOf/s467/concavehull-poly-gap.png

blogger.googleusercontent.com

https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhwNlpdj6ptKl_VSC_Vf_vMSIHSXaL6ohnpT03wjWOhHMpldkws_MNuzxZ9AQWMQMhoGiVYy94vejvVfqBH6kP6wBLwRRaHQpfcggglXFr7WclV87-XvM9qDB582kJFbR9nXNFSv3APjgB6YruaLRuInV_tOOeHcdSFgLl3Qo9DbWFi7fq9RZa6T6RV/s335/concavehull-poly-fill.png

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