Questions tagged [navigation]
Application of location and direction calculation to GIS. Including location and travel of vehicles, vessels, people and other craft.
85 questions
0 votes
0 answers
27 views
Export from SAS Planet to OpenCPN
I would like to export an area map from SAS Planet to OpenCPN so I can view this are at a good zoom offline. I am very lost on how to do it. I tried exporting as tiles but OpenCPN won't show it. I saw ...
3 votes
1 answer
109 views
Calculating latitude and longitude from single constellation [closed]
I have collected the GNSS log using the GPSTest and GnssLogger android applications. What I want to do is to calculate the latitude and longitude of my device's position from these logs one ...
-1 votes
2 answers
142 views
Automatically navigation graph creating [closed]
I am recently intrestring in Indoor Mapping, and I came across Mappedin, whose innovative work particularly their data format and SDK impressed me. One of the features of Mappedin is its capability to ...
- 813
0 votes
0 answers
76 views
Navigating to a point with cm accuracy
I am due to install some monitoring points for a field experiment. I have a GNSS receiver (Arrow 100) and so can record the location of my monitoring points with a high degree of accuracy. I am ...
- 11
2 votes
1 answer
263 views
Extract polygons from TIFF file of depth model
I am trying to create a shapefile of polygons from a TIFF file using QGIS. The TIFF file represents a depth model of Denmark. I want to create the polygons based on a particular depth (-2 meters), ...
0 votes
1 answer
1k views
Locking Scale when Panning using ArcGIS Pro
Is it possible to lock the scale of a map in ArcGIS Pro 2.9? I'm manually editing a bunch of feature classes, so what I usually do is open the table, edit my field, then double click the next row ...
- 405
0 votes
1 answer
197 views
Minimum number of satellites per constellation in Multi-constellation Navigation
Relating to my previous question, I'm trying to understand how the LS method work for multi-constellation GNSS trilateration/multilateration. I understand for 2 constellations, trilateration require ...
- 131
1 vote
0 answers
108 views
Storing Line(2D) data in Navigation Data Standard format as geometry using SpatiaLite
Is it possible to store Line(2D) data in Navigation Data Standard format(with coordinate bit shift) as geometry into SQLite and also make use of SpatiaLite functions for querying? I have to use ...
- 11
0 votes
0 answers
27 views
Place marker on map - GeoTools 25-SNAPSHOT - Java 11 [duplicate]
I am using GeoTools 25-SNAPSHOT in my application. I have displayed a map in my application (raster). Now I want to place a marker (image or simple colored dot) on a map at a specific latitude, ...
- 101
-1 votes
1 answer
768 views
US 000 file type maps [closed]
I'm looking for a free enc so I downloaded this one https://charts.noaa.gov/ENCs/Agreement.shtml?US2EC02M. After unpacking I have a file US2EC02M.000 and CATALOG.031 What should I do with those? I ...
- 1
1 vote
0 answers
245 views
Determine if a great circle is on the left or right from a point defined by latitude, longitude and bearing
Given A point coordinate on the map specified by latitude and longitude. Shown as "C" on pictures below. Direction where this point is moving, specified by bearing in degrees (0-359), where ...
- 119
1 vote
0 answers
221 views
Convert Google Maps KML to preferred format on a Hyundai Ioniq EV's BlueLink Map
I want to upload data for all Eduroam WiFi locations in Canada to my car navigation system which has an "Import Address Book from USB device" option. I downloaded the current locations I ...
- 111
1 vote
1 answer
6k views
What are these terms in Marine Navigation ETA, DTG and TTG?
Consider a scenario where a ship has to navigate and reach a specific destination. I have a route plan comprising of multiple route way-points through which my ship has to go through to reach its ...
- 133
5 votes
1 answer
977 views
How do you create a line network with GeoJSON navigation point data
I have a GeoJSON point file for use in navigation. I need to create a line network connecting the points to their corresponding 'neighbors' in the data. I have looked for any sort of plug in or ...
- 840
1 vote
0 answers
633 views
Calculating direction for points (lon/lat) in a perfect circle (shape) north of equator?
I have perfect circles in lon/lat on a OpenLayers map. Near the Equator I locate each point on the circle using bearing-calculation for each point from circle-center. Meaning there are 360 bearings ...
- 215