6 Tips for Generating Orthophotos in NUBIGON

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Joined: Sat Dec 29, 2018 9:30 pm
Full Name: Can Turgay
Company Details: NUBIGON Inc
Company Position Title: Co-CEO
Country: USA
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Location: Austin

6 Tips for Generating Orthophotos in NUBIGON

Post by can.turgay »


Generating great orthophotos from point cloud data can be daunting. Here are some helpful tips to boost your orthophoto workflow with NUBIGON.

1. Unselect the Object
Do not forget that selected objects are highlighted in the viewport, and that includes the point clouds. So if your orthophoto is washed with a red (or any other) color, just unselect the point cloud and generate the orthophoto again.

2. Make Use of Cross-Sections
You may need an orthophoto displaying an indoor wall or there may be pedestrians, trees, cars, etc. obstructing your view. For cases like these, you need to use the cross-section tool.

If you need an indoor view in your orthophoto, use the cross-section tool to clip the geometry.

If you have unwanted objects in the way of a great orthophoto, use up to 3 cross-sections to clear anything in the way.

3. Increase Performance Settings
If you want to avoid holes in your orthophoto, loading all the points of a cloud to the viewport helps greatly. In order to load more points of a cloud, temporarily increase GPU cache and decrease Minimum coverage. Then wait for the points to load and generate your orthophoto.

4. Check the Material Options
To generate nicer looking and sharp orthophotos, make sure that the material of the point cloud is set up correctly. “Has normals” and “Smoothing” should be turned on.

5. Change the Splat Size
If you encounter holes in your orthophoto which are not present in the viewport, you are most probably going for a high-resolution orthophoto and you may need to increase the splat size.

6. Use Fill Holes
My last tip is a last-resort type of tip. When you are trying to generate a high-resolution orthophoto, changing the splat size and increasing the performance settings might not suffice to close all holes. In this case, turn on the “Fill Holes” option. But be aware, this option is only to fix small holes. Do not try to cover big holes with this option, the results won’t be accurate.

To generate sharp and great looking orthophotos, check out NUBIGON's latest version at https://www.nubigon.com/.
Can Turgay
Co-Founder & Co-CEO
Email: [email protected]
Web: https://www.nubigon.com/
YouTube: https://www.youtube.com/nubigon

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