B4A Code Snippet Geo-Zone Determination (Point in Polygon) - Harris    May 27, 2015   (10 reactions)   tags: Geofence I use this in my app to determine if a vehicle is within a defined zone made of 5 or more lat/lon coordinates. Point 1 is also Point 5 (first point and last point are same value).
A simple box shows... B4J Question Check Point in Polygone With some tolerance - tufanv    Jun 3, 2020 Hello,
I am using this code found in this topic post 6 : https://www.b4x.com/android/forum/threads/geo-zone-determination-point-in-polygon.53929/#post-427417
Sub CheckPointInPolygone(polx... B4A Question point in polygon with spatialite - RB Smissaert    Jun 26, 2018 Running this SQL in the spatialite gui application:
SELECT ID FROM P_POINTS WHERE Within(GEOMETRY....163287 52.604595, -2.165476 52.604321)', 4326)) = 1
Geometry is the column in P_POINTS holding lat... B4i Question show only polygon limits on google maps - Erel (first post)    Aug 19, 2022   (1 reaction) 1. You cannot hide parts of the map.
2. https://www.b4x.com/android/forum/pages/results/?query=point+in+polygon... Italian Che codice usare per capire se una locazione e' interna/esterna ad una zona irregolare? - Star-Dust (first post)    Mar 7, 2022 O anche questo
https://www.b4x.com/android/forum/threads/geo-zone-determination-point-in-polygon.53929/... B4A Class [B4X] GPSPolyMap - check if GPS location is inside a polygon - Biswajit    May 11, 2020   (18 reactions) . And at last, add the starting point to close the polygon.
Remember to add the points in the correct... the first point at last to close the polygon
Private gpm as GPSPolyMap
gpm.Initialize(PolyPoints)
Sub...With this class, you can check if the GPS location coordinate is inside a polygon.
You can use... B4A Question GoogleMapsExtras polygon. Clickable? - Andrew (Digitwell) (first post)    Oct 14, 2021 Do you want to know when a user clicks inside the polygon? As far as I am aware there is no automated way to do this However, you can use this code. https://www.b4x.com/android/forum/threads/geo-zone-determination-point-in-polygon.53929/ I have used this code to monitor clicks in over 100 polygons and the performance is fine.... B4J Question Search for points of interest within a map section - Erel (first post)    Dec 10, 2019   (1 reaction) Check this: https://www.b4x.com/android/forum/threads/geo-zone-determination-point-in-polygon.53929/#content... B4J Question Maps: Marker distance from a polygon - Erel (first post)    Feb 16, 2021   (1 reaction) If it doesn't need to be 100% accurate then you can treat the circle as a square and test whether any of the four points is inside the polygon (assuming that the circle is small relatively to the polygon).
https://www.b4x.com/android/forum/threads/geo-zone-determination-point-in-polygon.53929/#content... B4J Question How to save a Google Map polygon in SQLite table? (Solved) - Harris (first post)    Jul 5, 2019 Search... https://www.b4x.com/android/forum/threads/geo-zone-determination-point-in-polygon.53929/#content There are more examples... Again, search. Thanks... Page: 1   2   3   4   5   6   7   |