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15-Photogrammetry 3D Fossils Adding Measurments to the 3D Model

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Added by Omare M.A. in Others

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Description

Here we want to show you how to add measurements to a 3 D model.
The markers we add to the model will also show up in the Photos. It may be more accurate to add the markers to the photos and not to the model.

For this you need the professional edition of Agisoft Photoscan.

I am Gabriel. Jon, Charlie, Hugh, Corey and I use photogrammetry to make 3 D models of fossils. We try to demonstrate in a few tutorials how to use Photoscan from Agisoft. We learend how to use Agisoft Photoscan at the SVP meeting in LA in 2013, they were taught by Neffra Matthews and Brent Breithaupt.

Transcript:
Open Model in texture:
right click to center
Orthographic ... press 5

Open reference Panes. View -- Reference Panes.
There are three panes:
We will be using the Markers
and the scale Bars.

There are four icons that we will be using:
- Update
- View Source
- View Error
- View Estimate

Press Show Markers on the top
- To add a marker, right click: Add marker
- Rename the marker

Ctrl Click the two which go together
- Create Scale Bar
- View Source
Add distance in m

Put in two new markers
Make scale bar
- You have to update:
and you will have to re-center the 3D model

View Estimate gives you the distance
View Source: can put in more measurements

That's it for today. Let us know what you think.

References:
- Agisoft PhotoScan www.agisoft.com/
- SVP Meeting 2013, LA
http://vertpaleo.org/PDFS/3a/3acc7ee9-9539-4652-b173-01dd50ced85c.pdf
Photogrammetry: Digital Data Collection in the Lab and Field
Neffra Matthews and Brent H. Breithaupt
- Jon is our spokesperson, he has given several presentations
including at the Zzyzx Desert Symposiums in 2014, see the abstract in:
http://nsm.fullerton.edu/dsc/images/DSCdocs/2014Notadroplefttodrink.pdf

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