八成年报宣告分红 背后有三大被忽视的真相
百度 鼓励企业培养“江宁名匠”,支持企业建立首席技师、特级技师制度,并给予相应补助。
Raster data with more than one band/channel of information. Also known in imagery as multi or hyper spectral.
237 questions
1
vote
1
answer
29
views
GEE Image Collection - Providing Palette for Time Series
I'm calculating the ndti for a water body over a time period and have successfully made the ndti calculation and can view the results for each time period. In the layer settings I have to set results ...
1
vote
1
answer
28
views
ArcGIS Pro, Extract Band ArcPy function: Extract using band_name does not match any extract using band_id
Unexpected behaviour is seen in several RGB rasters in ArcGIS Pro. In this example, a test dataset is used – sample data from the Ordnance Survey (OS) 1:25k Scale Colour Raster: http://www....
0
votes
0
answers
65
views
Raster values changed when saved to geopackage
I have a downloaded raster file which I am trying to save in a geopackage on QGIS. However, when I go through the steps ("Export" > "Save As..." > save to my gpkg) the ...
1
vote
0
answers
107
views
Raster Calculator issue for Multi Band Raster File in QGIS
I am using raster calculator in QGIS to filter out the rangeland area of ESA LULC raster file for region of Interest.
The raster file has three bands (RGB)
Earlier, I performed the task in ArcGIS and ...
0
votes
1
answer
144
views
Google Earth Engine Landsat cloud mask code origin
There are several similar instances of GEE cloud mask function code online that look like the following, from Cloud Mask Landsat 7 Tier 2 TOA :
var cloudMaskL457 = function(image) {
var qa = image....
0
votes
1
answer
60
views
Value changes when merging Landsat bands to a multiband image using Rasterio in Python
I have two separate image bands from Landsat (L2SP) and would like to merge them into one multiband image (.tiff). I use rasterio package in Python in order to perform this task (see code below). The ...
6
votes
1
answer
487
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 ...
0
votes
1
answer
152
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 ...
0
votes
1
answer
135
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, ...
0
votes
1
answer
334
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 ...
0
votes
0
answers
56
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 ...
0
votes
2
answers
249
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 ...
1
vote
1
answer
107
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=...
2
votes
1
answer
477
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 ...
2
votes
1
answer
2k
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 ...