All Questions
45
questions
0
votes
1
answer
33
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 ...
- 11
2
votes
3
answers
84
views
Convert Raster to CSV and plot as points on the grid using Python
I'm trying to convert raster to CSV file with coordinates and plot them and encounter a problem.
I have a raster .tif file with some buildings in Denmark projected in EPSG:7416 CRS.
I read .tif file ...
0
votes
0
answers
40
views
Join a raster file with grid data and a CSV file
I am a relatively new user of QGIS and encoutered a first major problem.
I am working with this dataset that converts the available geocoordinates into the European standard ETRS89-LAEA.This is a grid ...
0
votes
1
answer
173
views
GeoServer WPS service Raster Zonal Statistics does not give results when using text/csv format to define zone polygon
I am working with GeoServer 2.22 and I'm trying to use the gs:RasterZonalStatistics tool, through the WPS request builder that is provided in the "demos" in GeoServer. The tool runs fine ...
- 3
0
votes
1
answer
158
views
Load, georeference (from list of 2D stacked coordinates) and convert ungeoreferenced GRD files with python
I have a list of GRD files that are not georeferenced, they come with a TXT file containing 2d stacked coordinates. I am wondering if anyone would know how to load, georeference and convert those GRD ...
2
votes
1
answer
124
views
Python -> GDAL -Converting raster into CSV but getting only nodata values
I would like to get a CSV file with x,y coordinates and the correspondent single raster band value: (x, y, value)
This is my code:
from osgeo import gdal
import pandas as pd
import numpy as np
...
0
votes
1
answer
258
views
Integrating raster images in a scatter plot via R
I'm trying to plot a graph of a linear profile with integrated pictures of drilling cores at certain points and hights in the profile. I have a directory with 22 .png images of the drilling cores, ...
- 43
2
votes
0
answers
79
views
Error on uploading CSV file as a raster
I'm using QGIS 3.16.15 to import .csv data file using layer>add layer> add raster layer.
The data set have 3 columns (Northing, Easting, Elevation). All the data set have the same coordinate ...
- 21
0
votes
1
answer
140
views
Extract values from raster matching csv and raster filenames
I have a folder with many csv files. Each file has several columns as well as lat and long columns. Another folder have many rasters in tif format. The .csv files are named based on Julian date (e.g. ...
- 1
4
votes
2
answers
459
views
How to combine raster data into CSV attributes in QGIS
Recently I am working on some raster data transfer in to .csv. I am doing this manually. First I upload my coordinate points in to raster then I click the information button then I click on every ...
- 151
1
vote
0
answers
149
views
TypeError: cannot unpack non-iterable NoneType object when converting raster file to csv file
I want to convert a raster file to csv file. When I use raster2xyz, my code raises TypeError: cannot unpack non-iterable NoneType object error.
from raster2xyz.raster2xyz import Raster2xyz
from ...
- 11
3
votes
1
answer
543
views
Converting CSV and reprojecting shapefile to match location of points
I have a .csv file with coordinates which should be converted into .shp file. The CSV file is built by analysing simple .tif raster without metadata.
As far as no CRS is saved in .csv file, the ...
3
votes
1
answer
184
views
Printing geographical centroid coordinates of georeferenced image in CSV file
I am trying to print the centroids of the circular contours from the image.
The image is already georeferenced using GDAL with ESRI 102025 and I tried to extract the points in terms of the ...
1
vote
0
answers
236
views
Converting multicolumns CSV to Raster Format
I need to convert multicolumn CSV file in a raster.
I read some similar question, but my problem is that I have different columns in addition to "longitude" and "latitude" (I would ...
- 21
1
vote
1
answer
996
views
Calculating area of water pixels, and plotting them in Google Earth Engine
I am trying to create a time series of the total area of water pixels in a particular region using the ee.Image.pixelArea() method. I understand that this method creates a raster whereby the value of ...
