Questions tagged [multi-band]

Raster data with more than one band/channel of information. Also known in imagery as multi or hyper spectral.

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19 votes
3 answers
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Using Rasterio or GDAL to stack multiple bands without using subprocess commands

Does anyone have a eloquent way of stacking multiple .tif files into a multiple band stack using Rasterio and/or GDAL? I am looking for a way to avoid using a subprocess command like gdal_merge.py ...
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22 votes
4 answers
25k views

Layer stacking rasters in QGIS?

I have some multi-spectral data, where the individual bands are separate Raster files. How do I layer stack these rasters so that I get one raster with 3 bands instead of 3 different rasters? This ...
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17 votes
1 answer
14k views

How to export only one band from an image using GDAL?

I have a multi-band GeoTiff, and I want to extract only the first band and write a new image consisting of only that band. How do I do this using GDAL?
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3 votes
1 answer
2k views

Is atmospheric correction necessary when working with multi-spectral indexes?

When you are working with Landsat Level 1 data and calculate indexes, e.g. NDVI, NDBI, SAVI ..., do you calculate them using raw data (pixel DN value), or atmospherically corrected data (surface ...
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  • 413
10 votes
4 answers
5k views

Setting NoData for a multiband raster?

I have an RGB orthoimage that has black area instead of NoData, as pictured here: When I use the SetNull tool, it does remove the black area, however it then turns it into a grayscale orthoimage, ...
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6 votes
1 answer
2k views

How to edit the metadata for individual bands of a multiband raster, preferably with GDAL?

I created a multiband raster using the gdal_merge.py utility where each band represents a measurement from a different year: gdal_merge.py -o stack.tif -ot float32 -separate -a_nodata -9999 DEM_2012....
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  • 1,604
3 votes
3 answers
6k views

Displaying single band from multi-band raster using QGIS

How can I extract a single band from multi-band raster in QGIS? I have an remote sensed image which has 6 bands (including NDVI band), I want to display each band separately, but have no idea how to ...
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  • 113
5 votes
2 answers
3k views

Converting 4-band TIF to PNG while keeping all 4 bands?

I have a number of aerial photos containing both RGB and a near-infrared band. The images are in TIF-format, however I need to convert them to PNG without losing any of the bands. I have tried ...
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  • 400
3 votes
1 answer
2k views

Serving 4 band GeoTIFF in GeoServer 2.1.4

I have an uncompressed GeoTIFF file (figure 1) with the following band information: Image Structure Metadata: INTERLEAVE=PIXEL Band 1 Block=5000x1 Type=Byte, ColorInterp=Red Band 2 Block=5000x1 ...
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  • 4,312
2 votes
1 answer
414 views

Extract all band values of a multiband raster to Polygons as separate columns

I am trying to extract the values of a multiband raster to a polygon in R. ACVheatingdegreedayS <- stack("location/multibandraster.tif") ACVheatingdegreedayS <- ACVheatingdegreedayS %&...
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  • 77
2 votes
1 answer
2k views

Adding DEM Band to existing 3-band TIFF file using QGIS?

I'm quite new in the GIS business and I do not figure out how to do the following thing: I have two geoTIFF Files, one is a 3+1 bands file (RGB+alpha), the second one is a DEM geoTIFF file containing ...
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  • 123
1 vote
1 answer
956 views

Pan-sharpening Landsat 8 with 5 bands

I use bands 654 for vegetation classification and bands 432 to prepare the map layout. Is there a way to pan-sharpen the landsat 8 image using the bands 65432 ? So I swicth the GRB to classify and to ...
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4 votes
2 answers
5k views

How to use gdal_calc.py for multi-band images?

My problem is that I have multi-band images (8 bands) in GEOTIFF format and I tried to use gdal_calc.py to calculate a conditional expression between those bands. However, I could not make it because ...
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3 votes
1 answer
3k views

Merge Multi-Band Geotiff with different datatypes (with gdal)

I have three geotiffs: orthomosaic.tif: a multispectral orthomosaic with three channels: Band 1 Block=512x512 Type=Byte, ColorInterp=Red Band 2 Block=512x512 Type=Byte, ColorInterp=Green Band 3 ...
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  • 1,221
3 votes
1 answer
2k views

How to extract ALL bands from multiband raster in ArcGIS?

I have seen many questions about how to extract a singe band from a multiband raster in ArcGIS, but how do you extract ALL of the bands and save them as separate tifs? I want to automate this process ...
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3 votes
1 answer
1k views

GEE - Add date to band names in ImageCollection

I'm new to the GEE platform and I'm struggling with something very basic. I want to extract pixel values by points from an ImageCollection and I want my ouput to be a table in a wide format. To do ...
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  • 71
2 votes
1 answer
1k views

Build reflectance maps with Python and GDAL

I would like know how to calculate a reflectance map for each band (RGB) in an image. The imagery was captured using a Ricoh GRII from a Fixed wing UAV, the UAV does not have an irradiance sensor ...
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  • 25
1 vote
1 answer
1k views

Calling individual bands from multiband.tif in python perform action and save output in mutilband.tif?

I am trying to write a script that would go through my directory and open each *.tif file, evaluate each of their 120 bands and write the results out to another 120 multiband *.tif file. The only way ...
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3 votes
3 answers
712 views

What is the index formula to calculate water stress index using multispectral sensor (Red, Blue, Green, Red edge, NIR)?

I am having a multispectral sensor with Red band, Blue band, Green band, Red-edge band and Near-Infrared band. I need to find water stress using these bands, is it possible to find and if yes what ...
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  • 307
2 votes
2 answers
1k views

Performing Radiometric Calibration of Sequoia Imagery? [closed]

I recently bought a used Sequoia camera and when I bought it, I was under the impression that the sun irradiance sensor and calibration plate would calibrate all my images in real time and I wouldn't ...
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  • 155
2 votes
1 answer
1k views

How can I use gdal_retile on RGBI (4 band) GeoTIFFs while preserving band information?

I want to retile large GeoTIFFs with 4 bands: R = Red, G = Green, B = Blue, NIR = Near Infra Read; in short "RGBI" if I understand correctly. gdalinfo on the input file prints as band information: ...
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  • 1,221
2 votes
2 answers
2k views

How does ArcGIS calculate zonal statistics with multi-band rasters?

I am working back and forth between QGIS to ArcGIS for various tasks. So far, for my task, I have found similar tools and options between them. However, for my current task, to calculate the zonal-...
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2 votes
1 answer
2k views

Getting multiband raster's min and max values with Python in QGIS?

Is there anyway to have access to minimum and maximum pixel values from multi-band raster using Python in QGIS? This is QGIS and I loaded 3 different bands as rasters. If there's a way to have access ...
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  • 21
1 vote
1 answer
201 views

Calculating CIredEdge from Sentinel 2 composite image and adding as Band in Google Earth Explorer?

This is a follow-up question to Seeking Function to calculate red-edgeNDVI in Google Earth Engine? I’ve added the redEdgeNDVI band to the image collection by mapping the function over the collection ...
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  • 331
1 vote
0 answers
1k views

Creating a Greyscale DEM from Multiband (RGB) GeoTIFF in QGIS

I'm trying to merge some river bathymetry with LiDAR from the surrounding riverbed using QGIS 2.14.0 Essen. The river bathymetric data is a GeoTIFF, and it comes with a separate scale associating the ...
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1 vote
1 answer
945 views

Get colortable from three-band RGB raster (brick) with R

I have a three band RGB Raster Geotiff. I will provide the sample data below, but I'm guessing my problem should be solvable generically. I would like to turn this three band raster into a single band ...
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  • 843
0 votes
1 answer
35 views

Using NASA Above landcover imagery in place with Qgis

Landsat-derived Annual Dominant Land Cover Across ABoVE Core Domain is composite tiled classified imagery dataset covering the years 1984-2014. The format is elegant and clever but hard to use. Each ...
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  • 27.5k
0 votes
1 answer
32 views

Using NASA Above landcover imagery in place with ArcGIS

Landsat-derived Annual Dominant Land Cover Across ABoVE Core Domain is composite tiled classified imagery dataset covering the years 1984-2014. The format is elegant and clever but hard to use. Each ...
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  • 27.5k