Skip to main content

Questions tagged [multi-band]

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

Filter by
Sorted by
Tagged with
5 votes
1 answer
186 views

QGIS Batch Process to save bands of a raster layer as separate raster files

I have a .tif file with 61 bands. Normally, to save a band, I use the rastar calculator expression filename@1. But since there are 61 bands, with each band corresponding to a date, from April 1 to May ...
proy's user avatar
  • 95
0 votes
1 answer
32 views

How to export multiband GeoTIFF data to CSV?

I have a GeoTIFF with daily average discharge data over 10 years (3652 bands per grid cell, each band representing one day). I would like to export this discharge data to a CSV file to work with it in ...
timmer's user avatar
  • 11
0 votes
1 answer
48 views

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
  • 11
0 votes
1 answer
65 views

Changing RGB band raster into single band raster in ArcMap

I have a raster like in this image, this raster symbology only consist of RGB Composite, vector field and stretched. How do I change the colors of this raster into a single color? This raster was ...
Garishsm's user avatar
0 votes
0 answers
39 views

Google Earth Engine: User memory limit exceeded error when try to reduce and build a multiband imagecollection

I have a long imagecollection of Landsat-5 images from 1984 to 2011. This imagecollection was cropped in a smaller ROI, bit flags and scaling factors applied and for each image two new bands were ...
Leonidas's user avatar
  • 483
0 votes
2 answers
76 views

Converting multiband raster to polygon in ArcMap

I'm currently using ArcMap 10.8 I want to convert a Multiband Raster with 3 band with each band represent the RGB value, so I can calculate the area of ​​each value (classification) in a smaller ...
Dwiki Muharrama's user avatar
0 votes
1 answer
70 views

Publish the band descriptions from a TIFF in a WMS service with GeoServer

I have a multiband TIFF, where each band represents a time slice of a dataset. The date of each band is stored in the Band Description. See the output from gdalinfo here: Band 1 Block=476x1 Type=...
staf's user avatar
  • 326
1 vote
1 answer
122 views

Raster is being saved with no bands names despite defining them using Rasterio

I have an ndarray which I would like to save as rasterio raster. I have all the information I needed (image size, transform, band names etc.). The problem is that when I try to save the image as ...
ReutKeller's user avatar
  • 2,169
2 votes
1 answer
1k views

Dropping one band in multi-band raster using ArcGIS Pro

I have two different NAIP imagery rasters, one with five bands and the other with four. I would like to merge the two rasters so they both need to have the same number of bands. What is the most ...
JMade's user avatar
  • 23
0 votes
1 answer
113 views

Different raster's resolution but same pixel number, how is it possible?

Bands 1-7 & 9 of Landsat 8 have a spatial resolution of 30 meters, but Band 10 and 11 have 100 meters. Bellow there are NDVI and Band 10 Rasters of a study area. Does each pixel of the band 10 ...
Chris's user avatar
  • 123
0 votes
1 answer
186 views

Split categorical image into multi-band image in Google Earth Engine, where every band only contains pixels from one category

Context I need to calculate the yearly forest area lost for every country, based on the Hansen Tree Cover Loss (TCL) image. The band I use is categorical and indicates the lossyear in the form of an ...
Thierry's user avatar
  • 119
1 vote
0 answers
27 views

Calculating relative surface of 3band raster image in QGIS

I am trying to calculate the (relative) area of this image. It is a scan of a tree, the colors indicate the moisture in the stem. If I load it in QGIS, I see 3 bands, the combination of which define ...
Yves's user avatar
  • 61
0 votes
1 answer
65 views

Determining sea surface salinity with multisprectral satellite imagery

Could anyone with knowledge of remote sensing tell me if multispectral satellite imagery such as Landsat 8 or Sentinel 2 can be used to determine salinity differences in ocean surface water? My ...
Ian Moffit's user avatar
0 votes
1 answer
89 views

How to replace values of one multiband raster with the values of another multiband raster, where they overlap? [QGIS]

I've seen this question asked many times with regards to single band rasters, where you can use raster calculator. What about when you have two 3-band images?
hmnoidk's user avatar
  • 707
0 votes
2 answers
168 views

Calculating area of different objects in multiband raster using QGIS

I have a multi-band raster with 8 different types of land cover, and I'd like to know what area or percentage of the whole area is taking particular types. What is the best way to calculate them?
Guest78901's user avatar
3 votes
1 answer
137 views

Identifying cells overlapping in multiple rasters using QGIS

I have a range of forest raster TIFF files over a 10 year period, and want to create a fresh raster of locations where it has been forest for 3 or more years. I know I can merge them into a multi-band ...
Ashley Wild's user avatar
2 votes
0 answers
317 views

Use rasterio to write 4 band image with rgba photometric

I am trying to write a four band rgba tif-file using rasterio. With the following code, I'm able to write four bands. #load data ras = rio.open(os.path.join(path, file_in)) arr = ras.read() # load ...
Zev_Zide's user avatar
  • 187
0 votes
1 answer
154 views

Customising band names before exporting

I am unable to identify the bands after exporting as it shows no band name after exporting in google drive I have tried to download Landsat 8 Surface Reflectance Tier 1 image. I filtered the images ...
Abigith Baby's user avatar
2 votes
2 answers
306 views

Setting default raster band colour interpretation for QGIS

Using QGIS's Merge and Rearrange raster tools, I have created a 5-band raster based on: A RGB raster with an alpha band, A single-band NIR raster. The original RGB raster's bands are all ...
ChloeG's user avatar
  • 696
1 vote
1 answer
671 views

Colours in GeoTIFFs

Coming from a somewhat "Photoshop" background, I am having trouble understanding how colouring/visualization works in QGIS. When I import a GeoTIFF I get min and max clip values in the 3 ...
firebblade's user avatar
1 vote
0 answers
154 views

Add Rasters to Mosaic Dataset eliminates bands using ArcGIS Pro

I am trying to create a mosaic dataset that can have any MAXAR imagery added to it (i.e. 4 band GeoEye or 8 band WorldView-2). In order to do so, I have created a Mosaic Dataset without specifying the ...
ENIAC-6's user avatar
  • 906
2 votes
1 answer
251 views

What could go wrong using gdal_calc to sum pixel values of a multiband raster?

I have a raster, input.tif. I can open it using rasterio and read 3 bands: import rasterio with rasterio.open('input.tif') as src: data1 = src.read(1) data2 = src.read(2) data3 = src.read(...
zabop's user avatar
  • 2,224
0 votes
1 answer
298 views

How to add the bands value from CSV file to Image Collection for Classification

I am currently working with GEDI data and Random Forest Classification in Google Earth Engine. I have a csv file which contains 42 bands and about 3600 points. My aim is to import this csv into GEE ...
Nguyễn Đức Việt's user avatar
0 votes
0 answers
592 views

Exporting virtual raster in QGIS

I have multispectral images collected from parrot sequoia. I want to merge all 4 different bands and create a single .tif file. I created the virtual raster layer with all the bands included in that, ...
Nilay Swarge's user avatar
-1 votes
2 answers
378 views

Calculate seasonal precipitation and temperature from CRU TS 4.05 in ArcGIS Pro

The Goal: To calculate the average spring (Mar-Apr-May) and summer (Jun-Jul-Aug) precipitation and temperature for a series of specific, discrete locations. These points represent sites (I'm an ...
LRouse's user avatar
  • 1
0 votes
0 answers
494 views

Extract a single pixel of data from multiband time series of raster (TIFF) images in Python

I have two folders of .tif files (41 and 49 rasters, respectively). The rasters are multi-band (14) and of the same location (same extent, boundaries, etc), just on different days. I would like to ...
shelbyruns's user avatar
1 vote
1 answer
95 views

No features contain non-null values of in graphy

I want to graph the NDVI series by another classified image, but when I graph it there is a wrong No features contain non-null values of "system:index". Howvever I already set the system:...
ChuDingjin's user avatar
0 votes
0 answers
119 views

Multiband rasters not displaying properly in ArcMap

I have a multiband raster and have found an issue with its display in ArcMap. It is made from two spatially co-indicent rasters which, when viewed in ArcMap, display as such: Raster1 and Raster 2 are ...
acolls_badger's user avatar
2 votes
0 answers
423 views

Defining non-color channels as ExtraSamples

I run a PYQGIS script to calculate mean and stdev of an area for one specific raster-band. processing.run('native:zonalstatisticsfb',{ 'COLUMN_PREFIX' : '_', 'INPUT' : '/Users/pugliesipc/Desktop/...
Meije3984's user avatar
  • 165
0 votes
0 answers
62 views

Approaches to distinguish bare soil from artificial soil in an urban context with Pleiades imagery?

My colleagues and I are trying to improve an existing landcover map by improving the distinction between bare soils and artificial soils (e.g. concrete, asphalt). We need a good detection of bare ...
Fanfoué's user avatar
  • 101
1 vote
0 answers
574 views

Creating CNN model for multi-class image classification using Google Earth Engine

I am trying to build a satellite image classifier CNN using Google Earth Engine. I have been following this tutorial: https://colab.research.google.com/github/google/earthengine-api/blob/master/python/...
Ege Akkaya's user avatar
0 votes
0 answers
418 views

Dividing reflectance values of Sentinel-2 sets of bands using rasterio

I need to divide the reflectance values of a Sentinel-2 sets of bands. To do this, I have to divide each band by 10000 when I read in the band to write the stack. I have an example of my code snippet ...
mac754's user avatar
  • 11
2 votes
2 answers
559 views

Extracting values from bands in raster where one band has two values using QGIS

I am working with QGIS and have a raster file with two bands. Band one contains two values, event types, and Band 2 contains a date where the amount of a Band one event occurring sums up. An example ...
Johan's user avatar
  • 73
2 votes
0 answers
631 views

How do I create a virtual raster in QGIS combining single-band raster layers and a multi-band raster?

I have a raster with 21 bands. I also have 12 other raster layers with a single band each. I want to create a virtual raster combining the multi-band raster and the single-band raster layers, ...
Sytze's user avatar
  • 771
5 votes
1 answer
967 views

Changing the data type for multiband raster file to integer

I have a TIFF file of first day beyond 10 degrees at 2 m height covering the northern part of North America from 2012 to 2020. Each year is stored in a different band. Currently, the data type is ...
Thomas's user avatar
  • 925
2 votes
1 answer
516 views

How can I create a multiband raster from singleband raster values?

Counter-intuitive to all the other questions about splitting raster bands, I would like to split my single-band raster into a multiband raster stack based on the values given in each pixel (range from ...
Thomas's user avatar
  • 925
1 vote
1 answer
143 views

Multiband raster reclassify

I have a two bands raster. I need to reclassify it following the rules "if band 1 = x and band 2 = y the new value will be 1", "if band 1 = a and band 2 = b the new value will be 2"...
Salvatore Praticò's user avatar
1 vote
0 answers
342 views

Extracting spectral signatures from ROI using ENVI5.3

I used ENVI's Band Math functionality for calculating a certain index to find out the dominance of a mineral. The output is one monochrome band as seen below, I really need your help to learn how to ...
user avatar
0 votes
0 answers
163 views

Band ratio with Euler's number in Google Earth Engine

I've band ratio with exponential equation and Euler's number band_ratio = (0,0039e)^(2,4952*(B2/B4)) Can anyone write it in Google Earth Engine format? Or just input the Euler's number?
astaga's user avatar
  • 123
1 vote
1 answer
1k views

Converting ordered image bands to image collection and add/restore time stamp in Google Earth Engine [closed]

I received this collection of ordered multiband images and would like to convert them to a single collection, adding a timestamp (system:time_end and system:time_start): https://code.earthengine....
Andrea Markos's user avatar
2 votes
1 answer
1k views

Sentinel-2 Multiband thresholding (masking) using Google Earth Engine

I want to extract wheat pixels from the sentinel 2 image in google earth engine. Based on field analysis pixel should satisfy 3 conditions: NDVI value between 0.6 to 0.7, NDWI value between -0.5 to -0....
Monish's user avatar
  • 131
1 vote
1 answer
396 views

Creating composite raster mosaic

I have multiple rasters of the same area and I want to mix them into a composite raster, with each of the said rasters becoming one band of this new image, But the input images are very large and I ...
Rmin's user avatar
  • 23
1 vote
1 answer
35 views

Redefine grid cell values of 0 to 365 in multiband raster

I have a multiband raster of the Arctic showing the day of the year on which snow melts. I have grid cell values that equal 0 but they should be 365 as the snow never melts. I have tried to use the ...
Thomas's user avatar
  • 925
4 votes
1 answer
968 views

How to set band names of multi-band GeoTIFF asset upon upload to Google Earth Engine

I have created a multi-bands GeoTIFF using xarray in Python following this answer. When I display this raster or open it in QGIS, all the bands are named following the variable they represent: ...
e5k's user avatar
  • 160
2 votes
0 answers
231 views

Converting point vector with many fields to multi-band raster

I have a shapefile of evenly spaced points which I'd like to convert to a raster. In QGIS, I know I can do this with Raster > Conversion > Rasterize (Vector to Raster). However, I see the ...
umbe1987's user avatar
  • 3,785
1 vote
0 answers
223 views

Python - Calculating Burned Area Index results in empty plot

I've followed this tutorial to calculate the dNBR Index, using the given sample tif files which contain a burned area. My results were as shown on the tutorial. So far so good. Then I tried to ...
ChrisChris2323's user avatar
3 votes
1 answer
370 views

Calculate raster pixel maximum accross multiple bands

I am using QGIS 3.10 and try to solve the following task. I have a multiband raster (4 bands in total), where each band represents the spatial extent of a tropical storm and the respective pixel value ...
Random_GIS_dude's user avatar
2 votes
1 answer
1k 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 %&...
Tris's user avatar
  • 77
0 votes
1 answer
154 views

Subsetting mutliband raster in QGIS using OTB BandMathX

I am attempting to do a simple extraction of a multiband (360 bands) raster in QGIS. I have come to the conclusion I need to use BandMathX from OTB, since I am interested in generating a new multiband ...
Thoegernh's user avatar
1 vote
0 answers
420 views

How data is stored in GeoTIFF [closed]

I'm trying to understand how data is stored in the GeoTIFF format. I understand that the file begins with header, where are stored information which says that the file is GeoTIFF file. I also know ...
qdras's user avatar
  • 11

1
2 3 4 5