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Questions tagged [opendronemap]

OpenDroneMap is an open-source photogrammetry toolkit to process aerial survey imagery into maps and 3D models using the Structure From Motion principle. It is available for download in docker container format as well as in binary for Linux, MacOS, and Windows. Source code for all of the components is currently hosted on GitHub.

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GSD or pixel size for volume

When I want to calculate the volume of a building polygon (in my case), do I use the GSD that I received in a WebODM report or the pixel size of the elevation raster? What is the difference between ...
CuriousLurker321's user avatar
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1 answer
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Calculating NDVI using OrfeoToolbox

Platform: Windows 11 Aim trying to achieve: I have downloaded some multispectral test data from OpenDroneMap (ODM) forum. The data is captured with DJI Mavic 3M. What I want is to analyze NDVI, NDRE, ...
DevM's user avatar
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QGIS LAS Elevation profile outputs - include instensity, return, etc and access via python

When I run an elevation profile in the current Dev of QGIS I get the graph as expected but if I save to gpkg, it creates a point dataset to which I can then add the x and y but how do I get the ...
GeorgeC's user avatar
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Low reflectance values

I use DJI P4 multispectral. Here is the command I gave in opendronemap software. –dem-resolution 1.5 --orthophoto-resolution 1.5 –orthophoto-png --dsm –radiometric-calibration camera –texturing-skip-...
SS101's user avatar
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NodeODM options to generate Ultra high quality orthophoto

In WebODM, when I generate orthophoto I can choose the option "Ultra" for image quality In the official documentation, there is no mention on how can I achieve the same using NodeODM API. ...
Bih Cheng's user avatar
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279 views

Using QGIS With WebODM

In summary, I have a tiff file created in WebODM which has irregular borders. I want to accomplish two things: I want to crop it into a neat rectangle I want it to have a scale so I assume I need to ...
user569255's user avatar
1 vote
0 answers
191 views

Publish high resolution drone data as gpkg with mapproxy

I am currently sitting in front of the problem of publishing high resolution drone data via mapproxy as wmts service. My approach is the following: Calculation of an orthophoto with OpenDroneMap. ...
David's user avatar
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2 votes
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How to set GCP in local coordinates system to images to be processed with ODM

I have a drone survey of a local area of 200x200 meters. I have about 45 photos. 6 photogrammetric control points were placed on the ground and measured with centimeter precision from topographic ...
Gabriel De Luca's user avatar
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1 answer
682 views

Georeferencing multiple "slightly" overlapping drone orthomosaics

Situation: I collected around 2000 drone images over 200 ha. My computer does not have the resources to render one large orthomosaic at once, so I decided to split my dataset into 8 and produce 8 ...
kjtheron's user avatar
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1 vote
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How is georeferencing information stored in geo-refrenced 3d models?

I have a .obj file downloaded from Open Drone Map, labelled as geo-referenced model. How can I figure out the geo-referencing information stored in it? I need to use it in unity or any other such ...
Connected Worker's user avatar
1 vote
1 answer
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Setting GCP in OpenDroneMap Project

I have run OpenDroneMap(ODM) on a bunch of drone images of a particular area. I have set the Ground Control Points(GCP) using Webodm gcp interface. Now, I have a gcp_list.txt file containing the ...
Sifat Muhammad Abdullah's user avatar
2 votes
1 answer
1k views

Build CityGML Buildings from OBJ files of OpenDroneMap

I have .obj 3D mesh files after running OpenDroneMap on Drone Images. I want to convert them to CityGML buildings so that I can put them on Cesium Globe. How can I do this?
Sifat Muhammad Abdullah's user avatar
3 votes
1 answer
251 views

Abnormal Output of OpenDroneMap with GCP file

I am using a gcp_list.txt file with the following text: I am supposed to get a geo-referenced mesh object like this: But, I am getting something like this: I am running ODM locally in ubuntu 16 ...
Sifat Muhammad Abdullah's user avatar
2 votes
1 answer
2k views

How to determine if a .obj 3D Mesh file is geo-referenced or not?

I have a .obj file output from OpenDroneMap. But I cannot determine if it is geo-referenced or not. How can I determine that?
Sifat Muhammad Abdullah's user avatar
3 votes
0 answers
1k views

How to convert .OBJ 3D Mesh Georeferenced file generated from OpenDroneMap to .kmz format for Cesium?

I have Open Drone Map Output of a 3D Mesh Object file in .obj extension. I want to convert it into .kmz format to put it into Cesium Ion. How can I convert the files in the picture to a .kmz format ...
Sifat Muhammad Abdullah's user avatar
1 vote
0 answers
64 views

Return corner coordinates of images after OpenDroneMap processing

I have images (with EXIF metadata) made by a drone relative to a particular place; having processed them with OpenDroneMap at this point I have an orthophoto with all the geolocated pixels. At this ...
ricky1192's user avatar
1 vote
1 answer
953 views

Numbers on Potree [closed]

I am new to potree and GIS in general. I am using potree by way of WebODM and I am able to generate a pretty 3D map of the images I took from a drone. But I am having a hard time making sense of the ...
DrkStr's user avatar
  • 69
2 votes
1 answer
170 views

OpenDroneMap returns error on merging depthmaps?

I am doing a reconstruction on 424 Parrot Sequoia RGB images using OpenDroneMap. The reconstruction runs for about 2 hours then throws the error shown below. I have successfully done several ...
GBG's user avatar
  • 10k
1 vote
1 answer
437 views

Pix4D and ODM generated tiff with same source images not aligning?

I have created two georeferenced orthomosaics using dronemade images. I used OpenDroneMap and Pix4D for that and I used the same source images for both. I thought that if I used the same images, the ...
ViktorG's user avatar
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Processing drone Images of body of water?

I took some pictures of a body of a body of water using a multi-spectral sensor attached to drone. When trying to process the image using Pix4D, more than 50% of pictures were unable to calibrated. ...
Perro's user avatar
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3 votes
3 answers
5k views

How to get correct coordinates system of drone images?

I have a folder containing images taken by a drone of a construction site. I have to convert those images into GeoTIFF. For GeoTIFF conversion I know gdal_translate is used to do this task, but the ...
Salman Ahmed's user avatar
1 vote
1 answer
149 views

What vertical datum for OpenDroneMap with no GCP

I am processing drone imagery with OpenDroneMap using a native Ubuntu installation of OpenDroneMap. I see the the LAS generated returns points in UTM for X and Y coordinates as stated in the ...
GBG's user avatar
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1 vote
1 answer
326 views

OpenDroneMap Coordinate format

I was using OpenDroneMap to generate 2D map and the output comes with corner coordinates like this: -1.92011886596679688e+02 -1.89522613525390625e+02 1.91508605957031250e+02 1.99496490478515625e+02 ...
PeiSong's user avatar
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1 vote
0 answers
255 views

Settings for point cloud in OpenDroneMap

I'm bit confused. When I process an image set in OpenDroneMap orthophoto creation works really good, also mesh creation (including textures). The only problem that I have is with point cloud. Always ...
aldo_tapia's user avatar
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6 votes
1 answer
1k views

OpenDroneMap: How to produce correct georeference ortophoto from UAV?

I am trying to produce proper georeferenced ortophotomap from UAV mission using OpenDroneMap (ODM), like I have done the same thing using APS Suite from Menci In both cases I have the same images with ...
joe_dz's user avatar
  • 101
4 votes
1 answer
1k views

Generating raster (spec. GeoTiff) out of mesh file (.ply)?

I created a mesh file using OpenDroneMap program out of 100 geotagged jpgs, and I would like to know how to generate a raster image out of the resultant .ply file? Has anyone done this? Meshlab has ...
Milos Miletic's user avatar