Questions tagged [orfeo-toolbox]
A free and open source remote sensing software package.
128 questions
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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, ...
- 11
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26
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Train images classifier not working on orthomosaic GeoTIFF file
When I run the train images classifier on an orthomosaic or orthophoto by OTB in QGIS it generates me not just a file with .txt extension but by default it starts generating .txt.shp, .txt.shx, .txt....
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130
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Unable to import otbApplication (Orfeotoolbox) through Python
I have been trying to import otbApplication through python but it doesn't work even after trying everything I've found online related to this issue.
I created a Python 3.7 environnement, installed ...
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1
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223
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QGIS - OTB - Object based classification - Segmentation - Does not work properly
I'm using the OTB Toolbox to perform an object based classification on a raster (clipped ESRI satellite raster).
This raster result from an aggregation of several satellite imageries, which induces ...
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862
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Can't enable OTB provider in QGIS 3.22.11?
How can I activate Orfeo ToolBox in QGIS 3.22.11 (LTR)?
I enabled the plugin and checked the provider from processing but I don't find the check button in OTB provider :
Are there any suggestions to ...
- 89
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49
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Trouble importing Orfeo Toolbox into PyQGIS Console
I have Orfeo Toolbox installed and configured within QGIS 3.22.11. Unfortunately, when I attempt to import the OTB package in the PyQGIS console I get the following error: No module named '...
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601
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Orfeo Toolbox on Mac
I managed to install OTB 8.0.1 in QGIS 3.22 on Mac using a comment on this community. However, the plugin is not working when I try to use "Segmentation". The process tells something like ...
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Why does the "OTB - BundleToPerfectSensor" use the height value?
Why does the "BundleToPerfectSensor" use the height value?
QGIS wants to use the OTB plug-in to do Pansharpening.
I wonder why the height value is needed to convert the MS image to high ...
- 467
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337
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Train Image Classifier (orfea): Could not load selected layer/table
When attempting to input vector data into the Orfea TrainImageClassifier, it shows the error: Could not load selected layer/table. Dependent field could not be populated.
This occurs when I attempt to ...
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949
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Installing and using Orfeo Toolbox (OTB) through Python
Using Python v.3.6.8 through Jupyter notebook (in Windows 10), how can I set and use OTB (v.7.3.0)?
I followed the steps described in the official cookbook and other tutorials, however, the result is:
...
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258
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Orfeo Toolbox segmentation - increasing n segments
I'm checking out the parameters for Orfeo's Segmentation tool and I'd like to know how to increase the number of segments that are output in the vector output.
https://www.orfeo-toolbox.org/CookBook/...
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190
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Problems with segmentation of Orfeo Toolbox
I'm new to Orfeo ToolBox, and I started using the segmentation tool with an RGB orthomosaic from UAV in order to classify the different units. The result gives me a clear result with vegetation but ...
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2
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4k
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Wrong value for parameter "OTB folder"
I have the latest QGis installed version 3.20 and the Orfeo toolbox should have come with it. I am working on iMac 2020 Big Sur version 11.4, there is no destination folder for the OTB:
When I ...
- 153
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119
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Can't import orfeo-toolbox algorithms in QGIS Python scripts
So I installed Orfeo-Toolbox on my Windows machine and it's working fine within the QGIS GUI application. But I would like to use OTB algorithms in QGIS Python standalone scripts. So when I load the ...
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1
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623
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Anaconda install Orfeotoolbox
I am trying to install Orfeotoolbox as a package within one of my conda environments.
No matter which version of python I have (3.6 , 3.7 , 3.8) the package can not be installed.
Below is the result ...
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115
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Orfeo Toolbox output rasters are 300x larger than inputs of the same size
I am trying to use Orfeo Toolbox CLI to do some processing, e.g. Smoothing:
otbcli_Smoothing -in path/to/mosaic.tif -out output/smoothing.tif uint8 -type mean
For now, the input, mosaic.tif, is just ...
- 746
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139
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TrainVectorClassifier returns no result when using Artificial Neural Network
I experimented with the TrainVectorClassifier from ORFEO-Toolbox,
I created trainingdata and tried different classification methods, however for some reason I cannot get the Classifier to work when ...
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1
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270
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Image registration params in OTB
I have two images from two different time periods that are not registered (don't align) as shown below. I understand that image registration is possible using OTB's FineRegistration feature. However I'...
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489
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QGIS Orfeo toolbox error when computing image statistics: "Could not find application "ComputeImageStatistics"
I am new to QGIS, and am trying to compute image statistics with the Orfeo toolbox (to use in a future classification project). I have downloaded the Orfeo toolbox and have it activated in my toolbar, ...
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1
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686
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Install Orfeo Plugin in QGIS - Plugin is not already in QGIS core
I am brand new to QGIS (coming from ArcGIS), and am needing to install the Orfeo toolbox to do some image classification. I found a nice tutorial here with an overview on how to install it: https://...
- 503
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1
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252
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Orfeo toolbox batch processing
I want to process Sentinel 2A images using another tool that is not SNAP. The later is very slow and crashes each time. I was recommended the Orfeo toolbox. I installed it on QGIS. I have 58 S2A ...
- 471
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657
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Orfeo Toolbox error
I'm using segmentation (mean-shift) tool in Orfeo Toolbox with QGIS
I used a subset of pansharpened image from Worldview3 after orthorectification.
But, I got same error whenever I tried:
2020-07-02 ...
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264
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Stand-alone PyQGIS (QGIS 3.13) scripts with OSGeo4W and the Orfeo toolbox (OTB 7.1.0) seem to be mutually exclusive
I am changing my python environment from working with ArcGis and Arcpy to working with QGIS and PyQgis. And I also want to use the machinelearning possibilities from the orfeo toolbox. In doing so I ...
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393
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Using Orfeo Toolbox in Google Colab
Orfeo Toolbox (OTB) has a tool that I'd like to use for some image processing as part of a longer Python workflow that I'm executing in Google Colab. While OTB can be called via Python if the whole ...
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236
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Applying machine learning methods in orfeo toolbox into DEM raster
I would like to apply machine learning methods in orfeo toolbox to classify some landscape features such as shrub and coarse woody debris in woodland. I created DEM raster image from very dense ground ...
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2
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664
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Speeding up pan-sharpening with OTB plugin for QGIS (orfeo-toolbox)
I use QGIS 3.6.1 with the plugin orfeo-toolbox to create a pan-sharped Landsat 8 image. I use the BundleToPerfectSensor function because calling the Pansharpening function results to the error: Inputs ...
- 8,208
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275
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Orfeo Toolbox maps Pleiades wrong
I have a problem with Orfeo Toolbox (OTB) function OrthoRectification.
I have a Pleiades product which is an extract (not a whole scene) of a small area in the western hemisphere south of the equator ...
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3
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731
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ImportError when trying to load otb (orfeo-toolbox) into QGIS Python Console
I would like to use the orfeo-toolbox via the QGIS Python Console, however, I don't seem to be able to import the otbApplication. I keep getting the following error:
import otbApplication
Traceback (...
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201
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SVM object based classification QGIS with Orfeo Toolbox. Model outputs incorrect/ invalid
I am trying to run an SVM object based classification on QGIS with Orfeo Toolbox. I have 5x Spectral Tif images of bands; blue,Green, red, Infra-red and Rededge, these were generated from a UAV survey ...
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368
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OTB Orfeo ToolBox - TrainImagesClassifier ERROR ITK
When i use in QGIS 3.6 TrainImagesClassifier i obtain an error on vector file class :
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1
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242
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Orfeo mshift segmentation asks for condition
I'm trying to run a segmentation using the mean shift. I leave all the parameters as default, but when I run it, it says "Wrong or missing parameter value: Condition".
Condition is not a parameter for ...
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2k
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Running OTB Random Forest Classification
I am having trouble processing a satellite image using the RF (Random Forest) classification, that is a machine learning algorithm in the Orfeo Toolbox of QGis 2.18.1.
When I run the Tool, the ...
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1
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434
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AttributeError: 'NoneType' object has no attribute 'setProgress'
I use Orfeo ToolBox(OTB) in conjunction with QGIS 3.4.
So. I use the qgis-otb plugin.
I was not a problem when I linked OTB with my company's PC,
but when I tried the same way on my personal laptop, ...
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105
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Orfeo Tool Box PCA - explained variance
How can I export/calculate the accumulated explained variance per principal component from a PCA done with the Orfeo Tool box in QGIS?
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98
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Orfeo Toolbox PCA fails - Null Eigen value?
I am using the Orfeo ToolBox to do a PCA on a .tif with 3060 timesteps of temperature values.
The PCA runs either in the Ubuntu CMD line or in QGIS.
In both, I get the same error saying:
Null ...
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68
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Orfeo Toolbox is not activating
I am in desperate need of help. I've tried the answers to similar questions and nothing is working. Orfeo Toolbox appears as activated in Processing options but is not appearing in the toolbox. I ...
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932
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OTB-QGIS plugin does not appear in QGIS 3.2 after manual installation
I have followed this instruction to connect the qgis-otb-plugin manually.
But after completing all the steps, OTB does not show under Settings > Options > Providers.
I cloned the qgis-otb-plugin ...
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1
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667
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Orfeo TrainClassifier tool not working in QGIS
I have been using Orfeo Toolbox with QGIS (version 2.18.0) to do image classification.
I was following this tutorial on YouTube on the SVM classifier. I have followed steps 1 and 2 as described, and ...
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524
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About support vector machine classification
I want to classify Sentinel 2 images with the SVM in orfeo toolbox in QGIS.
I have made a ROI (2 classes) and use TrainImages classifer (libsvm). I have made a SVM model,but when I use ...
1
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2
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423
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Orfeo Toolbox KMeans Classification failure
I am trying to process a Landsat8 OLI image using the Orfeo Toolbox Unsupervised KMeans Classification application.
I obtain the following error message:
Error when loading model ...
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445
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QGIS 2.18.19 and OTB 6.4.0 Application
I've tried the whole weekend to get the Orfeo Tool Box running in QGIS 2.18.19 (stand-alone version) and today I finally managed it by setting the paths to the bin-folder of the stand-alone version on ...
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5k
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Orfeo toolbox (OTB) algorithms in QGIS 3.0?
I've been trying to understand if the OTB (Orfeo toolbox) algorithms can be used in QGIS 3.0.0-Girona but found no official documentation about it. Under the 'Available QGIS Data Provider Plugins' (...
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1k
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Orthorectification in QGIS (ORFEO OTB)
I could not find the option to include the DEM and RPC files in Orfeo (Geometry tool). Please, review the attachment.
2
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1
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195
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Using OrfeoToolBox in Python 2.7.9 crashes python
I wanted to create a python script using Orfeo Toolbox for Orthorectification of AWiFS Data. I set the environment variables necessary and the following command runs fine from the command prompt:
...
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279
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Orfeo Toolbox is installed but not visible in Processing Toolbox
maybe someone had the same problem and solved it already:
I did an "Advanced Install" setup of OSGeo4W enabling otb-bin, then started QGIS 2.18.15 and entered the following correct paths (my computer ...
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659
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Making anaglyph of DEM in QGIS?
I want to know how to make an anaglyph of a DEM using QGIS. I've been trying with Orfeo Toolbox but I couldn't.
Can I make anaglyphs with other toolbox or plugin?
2
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2
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917
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How to resolve error in Orfeo Toolbox for QGIS 2.18 - "option -ram does not exist in the application."?
I followed the instructions to install the Orfeotoolbox for QGIS 2.18 on Windows, detailed in this post. Everything worked, and the appropriate algorithms are showing under the Processing Toolbox:
...
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29
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1k
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SNAP vs. GDAL vs. Orfeo - image rescale, histogram cut
I work with a Sentinel-2 .jp2 image (red band, 10950 x 10950 pixels). My aim is to reach the same result what SNAP does with a Python script. See the SNAP method and parameters:
So this is my ...
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64
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Orfeo rescale problem?
I have downloaded a Sentinel image, what I histogram matched first with the following Orfeo codes (a cut the low and high 2 percentiles):
# Import the otb applications package
import otbApplication
# ...
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106
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orfeo toolbox in Qgis 2.18.13 windows 7 32 bit
I installed the orfeo toolbox in Qgis but got this error.
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