Geographic Information Systems
FSimardGIS's user avatar
FSimardGIS's user avatar
FSimardGIS's user avatar
FSimardGIS
  • Member for 7 years, 2 months
  • Last seen more than a month ago
  • Quebec, Canada
Profile Activity

94 Answers

Score Activity Newest
19 votes
Accepted

Why does the same UTM northing give different values when converted to latitude?

11 votes
Accepted

Why is SQL Server 2019's STDistance Very Slightly Different Than The Vincenty Formula? (Same Up To ~0.0001km)

10 votes

Garmin FIT Coordinate System

9 votes
Accepted

Compute distance between two point from longitude, latitude & height

8 votes

What is MHHW Mean Highest High Water, in terms of datums/coordinate systems?

8 votes

Transform 1860s Australian (English?) map coordinates to modern ones

7 votes
Accepted

Reprojection causes polygon to stretch across globe

5 votes

FME SpatialFilter not outputting desired results

5 votes
Accepted

Local ENU point of interest to ECEF

5 votes
Accepted

Unknown coordinate reference systems in UK

5 votes
Accepted

Translating EPSG:4326 lon lat coordinates to xy using pyproj

5 votes

What is the coordinate system?

5 votes
Accepted

Performing Esri NAD27 to WGS84 datum transformations with ST_Transform in POSTGIS

5 votes
Accepted

Why is this compass considerably off?

4 votes
Accepted

Merging Polygons using ST_Multi ST_Union group by column value

4 votes
Accepted

Why are topocentric coordinates of point A relative to point B not strictly the negative of the topocentric coordinates of point B relative to point A

4 votes

Buffer (for 8 points) is set at 1 kilometer but is bigger than village polygons

4 votes
Accepted

Figure out which coordinate system being used

4 votes

EPSG:3575 formulas

4 votes
Accepted

Convert X, Y into Latitude,Longitude with unknown system

4 votes
Accepted

Deriving bearing in degrees minutes seconds format from field calculator

4 votes
Accepted

QGIS tool to identify polygons that can fit a certain sized square within the polygon

4 votes

Using azimuthal equidistant projection with buffers in QGIS?

4 votes
Accepted

Trying to implement Albers projection in Python, what is going wrong?

4 votes

Oblate ellipsoids and latitude

4 votes
Accepted

Generate grid for specific scale in QGIS

3 votes
Accepted

Convert easting and northing to degrees north and west

3 votes
Accepted

Using local mean sea level (LMSL) as altitude for converting latitude longitude altitude to ECEF

3 votes
Accepted

Azimuth (bearing) changes depending on map/project projection

3 votes

Using enterprise geodatabase with ArcGIS Online?

1
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