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8 votes

Pix4D vs. Agisoft Photoscan

You would have more control over what you are doing in Agisoft Photoscan, meaning that you would be able integrate various python scripts to increase efficiency and automation of processing in Agisoft ...
Selim Erguden's user avatar
4 votes

Coloration of orthophoto different between QGIS and ArcGIS

After looking through the layer properties in ArcGIS, I noticed under the Symbology tab that a "percent clip" stretch was applied by default for some reason... I changed it to none, and it looks like ...
Aaron's user avatar
  • 111
4 votes
Accepted

What does this mean is that my agisoft PhotoScan does not understand Unsupported JPEG data precision 12 error?

I did some investigated is that I found PhotoScan doesn't read 16 bit but the data compression doesn't matter so I opened ERDAS Imagine and use Rescale to change it back to unsigned 8 bit. It worked ...
PROBERT's user avatar
  • 4,131
3 votes

Agisoft Metashape Orthomosaics. DEM from mesh or dense point cloud

The Agisoft Metashape Professional manual states that the 'most accurate' dem is created using the dense point cloud. Below is a screen shot from the manual with the relevant text underlined. Also, ...
GBG's user avatar
  • 9,870
3 votes

What does this mean is that my agisoft PhotoScan does not understand Unsupported JPEG data precision 12 error?

The JPEG compression scheme can be used in either 8 or 12 bit precision. It seems to me you have 12bit JPEG. Additional details see here: https://trac.osgeo.org/gdal/wiki/TIFF12BitJPEG
Dmitry Baryshnikov's user avatar
2 votes
Accepted

Coordinate system broadcast by TxDOT NTRIP provider

The XYZ coordinates are 3D Cartesian AKA geocentric coordinates. The output coordinates you have are in decimal degrees so they're on geographic 2D, NAD83(2011), not projected at all.
mkennedy's user avatar
  • 18.9k
2 votes
Accepted

Aligning two orthophotos with Metashape

This approach is unlikely to provide you with useful information. The surfaces and orthomosaics built by Metashape would have both exploited the positional data of the drone at the time of image ...
GBG's user avatar
  • 9,870
1 vote

Converting Orthomosaic TIF Image to COG (Cloud-Optimized Geo-TIFF)

A first test might be to confirm whether rio is working correctly. You could do the conversion with GDAL as I see there is a COG raster driver for GDAL. I think this command would work but I have not ...
GBG's user avatar
  • 9,870
1 vote

Create Raster boundary polygon in Metashape itself using DEM or OrthoMosaic generated in Agisoft Metashape

Maybe... This Python tool is part of a two part script process to produce a raster layer where the resulting raster values are the image overlap count for that portion of your reconstruction. This ...
GBG's user avatar
  • 9,870
1 vote
Accepted

Including height information when exporting images from SlantView 2

The solution has been to install an older version SlantView 2 (Ver. 2.15.0.2509). There might be an option on the newest version that I am missing, but I doubt it. Also, the customer service is not ...
Jose Luis Landivar S's user avatar
1 vote

Which options should I use when creating textures for better buildings quality Agisoft?

Take more photos! Be sure to capture images that point to the different sides of your buildings. Capture images from different drone elevations. Vary the gimbal pitch during the image capture ...
GBG's user avatar
  • 9,870
1 vote

How do I get accurate DTM from DSM to get tree height?

I am currently doing a research on how to create a more precise DTM to calculate plant height for plants under 2 meters (needs to be very precise). There are 3 methods to create a DTM: Collecting ...
Jose Luis Landivar S's user avatar
1 vote
Accepted

DSM quality lower in ArcGIS Pro than PhotoScan

Making a slight alteration to the photogrammetry workflow will fix this issue. Running the component steps of the ArcGIS Pro Orthomapping DEM Wizard as separate geoprocessing steps solves both the ...
lambertj's user avatar
  • 3,037
1 vote

QGIS, point clouds and photogrammetry

I have been working on a similar workflow. 1) Create model in photoscan and save as .obj file 2) Import .obj file into meshlab. 3) Export mesh as xyz file, without normals. (You may wish to alter the ...
Andy's user avatar
  • 11

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