AI Assistant
Notifications
Clear all
The3rdDimension
The3rdDimension
@bc-surveyor
Member
Joined: September 21, 2018 9:39 am
Last seen: April 9, 2026 12:52 pm
Topics: 106 / Replies: 176
Reply
RE: Bringing control to a site

Which network are you connecting to in Florida. Does eGPS still have there network in that area? I think FDOT has guidelines for using network rtk. ...

3 years ago
Topic
Replies: 18
Views: 1210
Reply
RE: "RTK Drones still need GCPs, but only half as many"

I've heard this line repeated time and time again. I'm currently testing the accuracy of RTK only flights vs RTK + GCPs vs GCPs are varying density. ...

3 years ago
Reply
RE: JPEG vs TIFF vs ECW for your Ortho

@jim-frame It's worth distinguishing lossless compression from lossy compression. An image that is still within the image sensor in the camera would b...

3 years ago
Reply
RE: JPEG vs TIFF vs ECW for your Ortho

Peter is correct. Correct me if Im wrong Peter, but the TIFF can have the location data baked into the image itself without the need of a world file...

3 years ago
Reply
RE: JPEG vs TIFF vs ECW for your Ortho

Ahhh ok, so it may make a difference if one were to try to bring it into some GIS software. I strictly use my orthos in CAD. With that in mind...

3 years ago
Topic
Replies: 0
Views: 1058
Topic
Replies: 15
Views: 2797
Reply
RE: Lidar Surveying

I would argue that you can get within 3cm or perhaps even less, but depends if you are talking about terrestrial lidar, mobile lidar, drone-based lida...

3 years ago
Reply
RE: Lidar Surveying

How much is accurate lidar surveying data for engineering design projects like road, railway, dam and irrigation? Short answer, +/- 5-10cm Lon...

3 years ago
Reply
RE: How are you using the meshes you create?

I made up a short video of how I get a decent mesh and some possible use cases...

3 years ago
Reply
RE: How are you using the meshes you create?

Yea visualization is the obvious one. And 3D printing technology hasn't quite kept up with digital visualization, I did think in the past it was going...

3 years ago
Topic
Topic
Reply
RE: Accuracy comparison test - RTK vs GCPs

You would expect that significantly more points would be required to hold vertical accuracy compared to horizontal accuracy. The advantage of using GC...

3 years ago
Topic
Topic
Reply
RE: "RTK Drones still need GCPs, but only half as many"

My residuals aren’t 30mm. My actual accuracy is that (worst check points)

3 years ago
Page 8 / 15