Topics

1

General / Refine markers based on image content. Where did it go?

« on: January 16, 2019, 03:05:47 PM »

I loved the above mentioned option (refine markers based on image content), as it was really helpful in placing my GCP markers

The option seems to have disappeared in metashape, is it being done automatically now?

2

General / Total volume or volume above?

« on: January 02, 2019, 01:24:01 PM »

I am working with volume measurements of heaps of sand, gravel, etc..:

Based on the terrain profile, we estimate an average custom ground level (as often mounds are next to each other, rendering the 'mean level' option useless)

We then use this to calculate the volume; I've always been using the 'volume above', but my colleague uses 'total volume'

I was using the volume above, because I assume that by using a mean level, you cut of some volume below the level of the actual mound, but add that volume by taking the ground below the surface, above the chosen (mean) surface level, hence ignoring the volume below.

To clarify this I made a sketch:
Brown line = mound of which I need to know the volume.
Black line = surface
orange line = 'custom (mean) ground level'
Purple = ground volume
green = volume below

So am I correct to assume that:

'volume above' = purple + volume of brown line above the orange line.

=

volume of the entire mound, above the black surface line (assuming the mean ground level is chosen correctly)


I am still wondering why 'total volume' is then calculated by subtracting the volume below from the volume above.

Thanks in advance

3

General / 3ds model export mesh issue

« on: December 17, 2018, 11:44:04 AM »

I exported my model as a .3Ds file, everything seems fine, except appearance of a few weird mesh-ribbons running through the model, cutting it up in pieces. Any idea why this happens and how to prevent it?

I attached a picture with the ribbons highlighted in the model.