Questions tagged [agisoft-photoscan]

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Agisoft Metashape Orthomosaics. DEM from mesh or dense point cloud

Does anyone know the differences between Orthos built from DEMs that were constructed from dense point clouds rather than mesh? My purpose is to preserve original data and minimize interpolation while ...
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2answers
69 views

Using Ground Control Points in Agisoft Photoscan?

I'm fairly new to the Agisoft Photoscan program, but I am trying to build several models using aerial imagery and highly accurate GCPs, with coordinates collected in the field. I align my photos and ...
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65 views

Change detection using DEMs of difference and error quantification

Im currently working on a project in one of my seminars at university ("Advanced methods in natural hazard research"). We are modelling DEMs with Agisoft Photoscan using pictures from flume ...
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0answers
72 views

Importing georeferenced 3D objects (Collada DAE) into ArcScene?

I need to import 3D objects created with Agisoft Photoscan into ArcGis Desktop 10.4.1 (specifically ArcScene). I know how to use the "Import 3D" function to import Collada files as Multipatch files in ...
2
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2answers
67 views

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

I want to see if anyone in here know what the problem is. When I load this imagery to my ERDAS it was able to read it and open it... However, my agisoft PhotoScan would not load it since there is ...
2
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1answer
71 views

Coloration of orthophoto different between QGIS and ArcGIS

I have an orthophoto created with Agisoft Photoscan that I would like to use for a map. Why is there a difference in coloration between QGIS and ArcGIS? For the record, the color showing in QGIS is ...
1
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0answers
21 views

Scale bars moving after update cause measurement issues

I'm trying to create orthomosaics with accurate measurements of rocks in a stream bed. All the photos were taken from a fixed height and scale bars were added by knowing the dimensions of GCP's along ...
5
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1answer
282 views

DSM quality lower in ArcGIS Pro than PhotoScan

I am processing aerial photos collected with an automated drone flight into orthomosaics and DSMs, and have noticed the quality of outputs produced in PhotoScan is much higher than those produced in ...
1
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0answers
64 views

GDAL : transfer metainformation

I'm using Agisoft Photoscan 1.4.2 to build DEM from UAV photos and in last versions thay produce DEM multipage tiff format and I want to convert it to tiff with metainformation preserved. According ...
1
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1answer
2k views

Pix4D vs. Agisoft Photoscan

How do Pix4D and Agisoft Photoscan mechanically differ in producing an orthomosaic, given the same set of geotagged images? Are they any resources that discussed this? I'm also assuming full ...
3
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0answers
117 views

NOAA vDatum which WGS84(*) reference for data created using ESRI WGS 84 [closed]

I have an ESRI shapefile that use the WGS84 using latitude and longitude. The ESRI text for this coordinate reference system refers to EPSG 4326. The Z values reference the NAVD88 vertical datum and ...
1
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0answers
91 views

Agisoft Photoscan Normalization of Multi-Spectral Data?

Do you know if it is possible to normalize the data for the multi-spectral projects using a python command or a the Batch Process in Agisoft PhotoScan? If I know the max value I can do it using ...
2
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0answers
337 views

Digitizing complex archaeological scenarios in various levels?

I don't know if this issue has already been answered, but I can't get my head around it. I used to do this in Illustrator, and there it was simply a matter of clicking "bring forward/bring back" etc. ...
2
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1answer
768 views

Automatically adding Z-values from a DEM to an already created polygon

We have excavated a very large 5.000 year old fish fence, which was documented by photogrammetry, and is now being digitized. I started digitizing the orthophoto in QGIS and everything is cool. Now I'...
7
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3answers
11k views

QGIS, point clouds and photogrammetry

I'm trying to use photogrammetry and Structure from Motion to record buildings, and I'm looking for a way to bring these into a format usable in GIS, in particular pointclouds and models of terrain, ...