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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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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30 views

Number of pixels for training areas in Semi-Automatic Classification Plugin

I'm trying to make a supervised classification using QGIS and Semi-Automatic Classification Plugin using high resolution images (5 m). I wonder how many samples I need to have for an efficient ...
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41 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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41 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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22 views

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 ...
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30 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 ...
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2answers
61 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 ...
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0answers
24 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 ...
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132 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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27 views

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 ...
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113 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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120 views

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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196 views

Python error in “Semi Automatic Classification” plugin while doing PCA of band set (QGIS 3.6.1)

I am trying to do PCA on QGIS with "Semi Automatic Classification" plugin, but it generates an error saying An error has occurred while executing Python code How do I resolve this?
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46 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 ...
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2answers
56 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 ...