Questions tagged [scp]

The Semi-Automatic Classification Plugin (SCP) allows for the supervised classification of remote sensing images, providing tools for the download, the preprocessing and postprocessing of images.

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Problem in Mosaics of two image in QGIS using semi-automatic classification plugin

I am trying to do mosaic of two image of landsate 8. First I converted image into surface reflection, then I am trying mosaic image in semi automatic classification plugin, but it's showing one large ...
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22 views

Scipy Error for SCP

Semi-Automatic Classification Plugin: Error. Check Python Scipy installation for the Semi-Automatic Classification Plugin. How do l go about it?
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56 views

QGIS 3.24 Tisler Semi-automatic Classification Plugin create new training input error

I'm currently working on a group project that involves classifications of land covers. I have been using SCP for the preprocessing of Landsat 8 images and it works fine. However when I'm trying to ...
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1 answer
137 views

Spectral signature doesn’t match band set in SCP Plugin

I'm trying to do a supervised classification to see land cover change using the Semi-Automatic Plugin in QGIS. After I create my ROIs and try to assess the spectral signature plot for the ROIs, I ...
2 votes
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QGIS Python Error by preprocessing tool (clip multiple rasters) with Semi automatic classification plugin

I'm trying to convert Landsat 8 satellite images the SCP Plugin in QGIS. Turned out that I didn't come that far. I have major issues with everything (I guess it's because I'm using a mac); I want to ...
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Semi-automatic classification plugin - Preprocessing problem

I am trying to use the SCP plugin in QGIS 3.16.15. I downloaded Sentinel-2 images from ESA's open data hub, which I added to a band set (only 4 bands of interest), and then clipped to the region of ...
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2 answers
59 views

Unable to mosaic raster bands of the same region in ArcGIS Pro

I am trying to mosaic the Landsat satellite imagery of an ROI to fill the masked cloud regions. For this, I am using f1023clip and f5163clip (as shown in images below). I am trying to mosaic the two ...
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45 views

Fixing Negative Values in the Land Cover Analysis using the SCP plugin on QGIS

I am using the SCP plugin to classify land cover on QGIS 3. I am having some success but there are some issues that I am slowly working through. One of the biggest issues is that I am getting values ...
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Merge and Export LULC selected classes in QGIS [duplicate]

I had performed supervised classification using 8 classes. What I want to do is to merge its 6 class (lakes) into 7 class (river) and export it separately for further analysis. Does anyone know how to ...
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QGIS - SCP download button does nothing

I am trying to download images from Sentinel 2 using Semi-automatic Classification Toolbox in QGIS 3. I was able to download data a few weeks ago with this method https://www.youtube.com/watch?v=...
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Temporal/Spectral Profile Tool: Python error - QGIS 3.16 macOS Catalina

"Temporal/Spectral Profile Tool"-plugin runs into a Python error (below: reports import error in last two lines, entire error message is 14 lines): QGIS 3.16.13 on mac 10.15.7, running Qt 5....
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498 views

SCP Plugin for QGIS 3.16.7 Error 'raster is not loaded'

This is more of a FYI than a question... I'm running SCP (semi automatic classification) 7.10.4 plugin to QGIS 3.16.7 under Windows. I struggled quite a bit with the following roadblock: Create a ...
-1 votes
1 answer
27 views

SCP returns error (msgErr28) while classifying landuse (QGIS 3.20, SCP 7.10)

I use the (great) SCP 7.10 for classifying forests with Sentinel 2 scenes. After post processing and creating the ROIs and Signatures, I start the classification (preview or band processing ...
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Layer Stacking in QGIS using Stack layer bands Option

I am doing layer stacking on LandSat 8 imagery using the SCP plugin of QGIS (3.16.11-Hannover release). The problem is when I add all the required bands using the band set option and select the Stack ...
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24 views

Why is the preview in SCP working, but the actual classification not?

I am using the Semi-automatic Classification Plugin (SCP) to classify Sentinel and Landsat satellite imagery. I have training ROIs saved in a file (.scp) and (re)calculated their spectral signatures. ...
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50 views

How can I fix "nodata gap" of landsat multispectral band-set in SCP plugin of QGIS v 3.16?

Two Landsat images of the same date same path but the adjacent row has been atmospherically corrected using DOS (in QGIS) and mosaicked afterward. But this is how I am getting no data value. How can I ...
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125 views

"IndexError: list index out of range" for SCP plugin in QGIS

I am using QGIS 3.20 on a Mac with the SCP plugin for pre-processing Landsat 8 OLI images. While I pre-process, I check the following options: Allow calculation of brightness temperature in Celsius. ...
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QGIS SCP SAGA Close gaps with stepwise resampling

I am working with QGIS 3 and classifying images in Indonesia. Indonesia has a high cloud coverage. I started with classifying a Sentinel 2 image with the SCP Tool and got my classification output. I ...
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247 views

CRITICAL Error [38] : Unable to load raster

CRITICAL Error [38] : Unable to load raster While dealing with Sentinel2 data, the above message occuring everytime even though I have entered all the files correctly and with no spaces in the ...
7 votes
1 answer
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Advanced search terms in the Semi-automatic Classification plugin

Background: At QGIS 3.18.1, I can successfully download Sentinel Level-1C imagery by entering the granule that covers my area of interest (10UGU) in the Advanced search box. Now I would like to ...
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2 votes
1 answer
70 views

While clipping a Raster generated from SCP plugin (classification) all the colors are vanished in the end output and the raster generated is in B/W

I have done all the LULC classification using SCP plugin. after completing my classification, I wanted to clip the raster using a Shape File. But when I do it, the colors are vanished in the output ...
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QGIS issues on Mac OS Big Sur 11.2 GRASS and SCP issue

I have been having issues with QGIS on my Mac. The current operating system is Big Sur 11.2. The current workaround to the SCP plugin is to revert back to version 6 via these steps: https://...
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Division of a raster into multiple rasters by its value

After the supervised classification of the original raster I want to divide/split the classified raster into multiple rasters by its classes. My aim is to use the single classes as polygons and ...
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1 vote
1 answer
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Classification of drone imagery (RGB) with SCP

How can I work on the classification in orthophotos (generated by Metashape from a DJI Phantom drone) when I cannot input the orthopoto into the band set? SCP does not find the raster of the ...
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1 answer
586 views

SCP: raster is not loaded

I have installed the semi-automatic classification plugin (SCP v. 7.7.1) on QGIS 3.4.11 (Madeira) using Kubuntu 18.04. I downloaded Sentinel 2 (Level 2A) images and wanted to test one of the semi-...
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QGIS: Error [24]: The following signature does not match the band set. MC_ID: 1 C_ID: 1

I have run my classification map in QGIS using the semi-automatic classification plugin or SCP. I want to use the same ROIs for different sentinel imageries. But I faced an error Error [24]: The ...
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608 views

SCP QGIS Training input is not loading?

I am using QGIS, version 3.10.14 and the semi-classification plugin and want to create a training input, to classify different land-use-types. I followed the manual (https://readthedocs.org/projects/...
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1 answer
472 views

Error [37] : Unable to calculate. Metadata error - SCP plugin in QGIS - Preprocessing landsat 8

I am trying to preprocess Landsat 8 data using the SCP plugin - all the bands are processed except for bands 1 and 9. The metadata is read correctly in the table but on clicking "Run" I hit ...
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2 answers
198 views

Information [18]: Select at least one signature

While performing run / previewing classified image in SCP, the statement Information [18]: Select at least one signature appears. What is the solution to this?
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QGIS: Error code showed up after Landsat 8 TOA and crashed the program (SCP plugin)

Trying to get all bands corrected but it failed every single time in version 3.10 or 3.16. Error codes showed as below:
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61 views

Two Different Python Version in QGIS and in Macbook

How can I fix this and make sure that I'm installing Scipy, Matplotlib, GDAL, and Numpy in the correct python version if my QGIS 3.8 uses Python 3.6 and my Macbook Terminal is using Python 2.7? I'm ...
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Performing supervised classification on old aerial imagery taken in 1950s

I am working on a project to track the expansion of the city's built area in the last 70-80 years, and I have to deal with scanned images taken before satellites were first used, and I can't seem to ...
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3k views

SCP Plugin for QGIS 3.10 on Mac

I'm using the semi-automatic classification (SCP) plugin in QGIS on a Mac OS Catalina 10.15.5. I've tried it in multiple versions and I'm having issues with saving files. Whenever I click the Run ...
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1 vote
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115 views

QGIS SCP doesn't stack all bands for Sentinel 2

I've been following various tutorials to try and stack and then eventually classify images from Sentinel 2, but after downloading the images and running the band set tool, it simply only stacks 4 ...
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155 views

AttributeError: 'NoneType' object has no attribute 'bandCount'

I have a problem with a plugin (SCP). When I run a raster file (or tried), I get this error. I have read other similar problems, but honestly I am new to this whole programming issue and there are ...
1 vote
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42 views

QGIS SCP pulgin layer output

I use the plugin regularly and have already used every function. But I have often noticed that the output layers are not always intuitively understandable. I googled on the topic and found no ...
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417 views

Error with ROI Semi Automatic Classification Plugin QGIS 3.4

I have troubles for making ROI with SCP plugin in QGIS 3.4. I dowloaded some landsat images with the plugin and trying to create ROI. To do it, I made a Bandset with DOS1 atmospheric correction, ...
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1 answer
116 views

SCP error in QGIS 2.18.28

I have installed SCP on QGIS 2.18.28 from the Plugins-manage and install plugins. When I tried opening it, it gave me an error of crashed dumped as shown below: minidump written to C: \users\KLED\...
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Export classifier from SCP Plugin for use in other image classification

I have run a classification using the SCP plugin in QGIS. I want to recreate these results in a neighboring area and I am looking for help to see if it is possible to save the classification ...
1 vote
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94 views

I can't make an SCP file

I am using QGIS 2.8 and am trying to create/load an SCP file in which to classify a Sentinel 2 image. It won't let me create an SCP file and keeps asking if I want to add missing fields to the shape ...
1 vote
2 answers
103 views

How to define new classes from a change detection raster layer [closed]

As part of my thesis, I'm looking at the atmospheric and landscape effects of the 2018 wildfire in the Algarve. As part of the process, I want to estimate total biomass loss so I have classified two ...
2 votes
1 answer
96 views

Setting CRS for SCP within QGIS?

I am currently working with SCP within QGIS and am trying to classify the contents of a field (different flowers, grasses, bare ground etc.). I have loaded a raster image of my field and am now ...
2 votes
0 answers
466 views

Python Floating Point Error when using SCP plug-in (QGIS 3.6)

I receive a python error every time i try to save a temporary ROI to training input in the Semi-automatic classification plug-in in QGIS 3.6. I'm unable to add any training ROI to training input. ...
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Landsat 4-5 using SCP classification

I am geodesy student from Slovenia. For my report I chose working with QGIS and I am having problems with SCP-classification. So, I am working with Landsat 4-5 TM year 2006 and I would like to ...
0 votes
1 answer
390 views

QGIS 3 crashes when trying to download semi-automatic classification plugin

Installed QGIS 3 in prescribed manner. (i.e. FIRST python, then GDAL, then QGIS 3). Then installed matplotlib manually by typing "sudo pip3 install matplotlib" into terminal. Then, (as per ...
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FloatingPointError: invalid value encountered in greater_equal in Semi-Automatic Classification Plugin in QGIS

2019-04-05T00:29:33 WARNING Traceback (most recent call last): File "C:/Users/ASUS/AppData/Roaming/QGIS/QGIS3\profiles\default/python/plugins\SemiAutomaticClassificationPlugin\dock\scpdock.py", line ...
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167 views

ROI signature creation error

I'm trying to run a maximum likelihood classification on a Landsat 8 mosaic to assess land cover, but I keep getting the same error during signature generation: I never got this error before, and ...
0 votes
2 answers
126 views

How can I find the percentage of representation of classes?

I have done a classification using the semi-automatic classification plugin, and now, I would like to express each class in percentage of the study area (e.g. forest represent 20% of the study area ...
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