Questions tagged [geotiff-tiff]
Use this tag when referring to georeferenced or ungeoreferenced TIFF (Tagged Image File Format) files.
1,870
questions
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Getting the index MSAVI2 with Landsat 7 images
I am new to the Google Earth Engine script world. I need to obtain the MSAVI2 index on a particular polygon, but it throws me an error in the line: .map(maskClouds), which throws: maskClouds is not ...
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10 views
GDAL georeference multiple NG images as GEOTIFF with different size and extends
Following my problem described here:
Georeferencing PNG image by GDAL in QGIS
I would like to make some batch image georeference in GDAL. Unfortunately I couldn't find the reasonable solution for it. ...
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1answer
17 views
Using VRT to mimick N bands Geotiff from a k-bands Geotiff, N >> k?
I recently discovered VRT format and I wonder if it could be suited to my problem.
I have a program A that expects as an input a N-bands Geotiff (N >> 1000). I have presently k = 200 rasters ...
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1answer
54 views
GeoTIFF changes location relative to vector layer when panning map screen
The problem that I have is two layers are not positioning themselves correctly on the map screen, and shift position further when I pan the screen (they move closer or further away from each other, ...
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1answer
31 views
Can I modify a GeoTIFF in Photoshop without losing the GIS data?
Are there any edits I can do to a GeoTIFF in Photoshop that won't affect how it works in QGIS? I know I can't change the size or resolution, but how about color changes? If I adjust the contrast in ...
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1answer
22 views
Changing georeferenced .tif file with GDAL SetGeoTransform?
I am trying to change the pixel width and pixel height in the GeoTransform inside a georeferenced .tif file. I wrote a bit of code to read the file then change the GeoTransform parameters and write ...
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16 views
Affect of blocksizes of images and their overviews on the rendering performance of GeoTIFFs
I have a GeoTIFF with the following dimensions.
size 67200, 73600
Band 1 Block=256x256 Type=Byte, ColorInterp=Palette
Overviews: 33600x36800, 16800x18400, 8400x9200, 4200x4600
How would changing ...
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27 views
Extracting altitude information from GeoTIFF data file in Python [duplicate]
I have downloaded a GeoTIFF data file, and I want to get the altitude information given the coordinates in degrees. So I want something like
get_elevation(lat, long):
...
and then when you do
...
2
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1answer
38 views
Empty data points in DEM in QGIS
I have a Himalayan DEM with missing data. You can see empty white dots that later affect me when generating .stl files. How can I "color" these empty spots with the nearby spots? They should ...
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22 views
How to read and plot multiple TIFF files in Colaboratory?
I'm new in python and I would like to know how I can read and plot MULTIPLE TIFF files in Colaboratory with (maybe) a for loop.
Here is what I did for a single TIFF image:
from google.colab import ...
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27 views
Attaching files to GeoTIFF raster to open it in ArcMap
I am trying to open a GeoTIFF raster, the dataset has xml file,tfw file, ovr and dbf file.
How do I attach those files to the raster and open it in ArcMap?
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19 views
Raster image shown displaced?
I have a raster-catalog consisting of 332 raster-datasets in tiff-format. Two of the raster-images are shown slightly displaced in north direction, as you can see in picture 2. When zooming out all ...
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19 views
Convert COG with CRS to dimensions with equal longitude latitude
I have some Cloud Optimized GeoTIFFs exported in a certain CRS. Although the COG was exported in with equal longitude/latitude lengths, its CRS caused the array to have unequal dimensions. (206 lat x ...
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1answer
49 views
Export kriging plot as GeoTIFF
I have performed kriging and plotted it with ggplot, now I want to load the plot in QGIS. For that to work I need a GeoTIFF file of my plot. How do I convert my plot into a GeoTIFF file?
EDIT: added ...
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13 views
Using OpenCV on float32 rasters
I would like to use OpenCV adaptive thresholding (Otsu's Binarization) on a float32 GeoTIFF in Python. Normally OpenCV examples are working on 0-255 greyscale images. Is it possible to use them ...
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1answer
31 views
Lowering GeoTIFF raster by fixed value using QGIS
I'm trying to find a way to lower a GeoTIFF raster file by a fixed value. I will try to describe my process so far.
I start by downloading a GeoTIFF from the usgs webviewer, these are in CRS "...
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40 views
Set Coordinate Reference System for a TIFF file
I have a number of TIFF files which has been georeferenced using the QGIS georeferencer tool. When I add them to my project they display in the correct location. However, before the georeferencing ...
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1answer
72 views
Convert TIFF to ECW in QGIS
I intend to convert GeoTIFF file format into ECW file format in QGIS 3 on Windows 10 OS. However, "Save As Layer" doesn't list ECW file format. How to convert GeoTIFF file format into ECW ...
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1answer
61 views
Is TFW file not enough to place a TIFF data in the correct location?
I have no much experience in raster data in QGIS. I have an ungeoreferenced TIFF file with the related TFW file as below.
0.1
0
0
-0.1
406443.06
4545334.18
When I add the TIFF file to QGIS, the ...
3
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1answer
64 views
Georeference a JPEG image knowing some random x,y point geocoordinates and CRS
I have an orthomosaic GeoTIFF generated by a big number of JPG images (StructureFromMotion algorithm) that are not georeferenced. With computer vision I find some points on the initial orthophoto.tif ...
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48 views
gdal_translate of KMLSUPEROVERLAY issues making nodata transparent
I'm trying to use gdal to make a superoverlay KML / KMZ from a single band .tif (GTiff / GeoTIFF) which I created in ArcGIS. I want the nodata region to be transparent, but it has been showing up as ...
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1answer
51 views
DragRotate Interaction Distorts GeoTIFF OpenLayers 6.9.0 [closed]
Context
I have some GeoTIFF files that are loaded directly into OpenLayers via a WebGLTile Layer with a GeoTIFF source. My code is similar to the example in this workshop. I am also registering a non-...
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9 views
Is there a way to convert GeoTIFF to Octree?
I am working on a project where I need to convert terrain data to octree so I can use it for path planning.
I was thinking maybe I could convert the GeoTIFF to pointcloud and convert the pointcloud to ...
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2answers
34 views
Determining kind of data encoded in tifs
I have tifs and with help from this community I have been able to navigate them with gdal, rasterio, geopandas etc.
I also understand that they encode raster data.
But I am not sure what additional ...
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2answers
22 views
Finding raster files in a directory that contain noData pixels/cells ... ArcGIS and Python
I am trying to find a way of looping through Rasters in a directory, (a collection of individual tiff images in a folder) and selecting by name only those rasters that contain noData values and ...
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109 views
Detection of tomato areas from UAV images using ML
I have many UAV .tif images which they contain tomato plant in a farm, and between them there is separation with soil. So by searching on google I have found this paper https://www.mdpi.com/2072-4292/...
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23 views
Transferring TIFF-File (EPSG:3035) located in Irael to Germany (EPSG:25832) using QGIS
I've loaded 4 TIFF-Raster-Files (EPSG:3035) in QGIS. Unfortunately those are located in other countries than they need to be. (Need to be in Germany..)
The last time using TIFF-Files it worked out to ...
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2answers
71 views
gdalbuildvrt does not support ungeoreferenced image
I'm trying to create a VRT file from a GeoTIFF file using the following command:
gdalbuildvrt.exe "C:\Temp\3533.vrt" "C:\Temp\3533.tiff"
However it returns this error:
Warning 6: ...
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21 views
GDAL creates GeoTIFF but y-axis is shifted
When I use this approach to generate a GeoTIFF, I have to add a correction in the y-direction using the TileY xml element, otherwise gdal tries to retrieve the incorrect tiles and generates a blank ...
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1answer
25 views
Creating .webp stores in GeoServer
Using GeoServer, is there a way to convert my existing GeoTIFF raster data sources into a WebP format?
My goal is to render these WebP formatted layers on a OpenLayers map. The GeoTIFF layers render ...
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30 views
Connecting GeoJSON and TIFF image for deep learning
I have GeoJSON coord:
{
"type":"FeatureCollection",
"features":[{
"type":"Feature",
"geometry":{"type":"...
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2answers
45 views
Is it possible to reduce the size of a GeoTIFF file by removing its white pixels?
I have a very huge GeoTIFF file (around 12GB).
Most of it is made with white spaces. So, I thought that if I removed these white spaces from it, the GeoTIFF file would reduce its size to something ...
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23 views
PostGIS raster dynamic styling on Leaflet map
We are currently using GeoServer to load a raster from PostGIS onto map. But we need some other way, so we can dynamically change its styling.
We want to add a color slider on a Leaflet map by which ...
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26 views
gdal_grid not recognising .xyz file
I'm trying to use GDAL, specifically gdal_grid to grid an xyz dataset.
However when I run my command I am getting the error ERROR 4: `C:\Users\Public\clip.xyz' not recognized as a supported file ...
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2answers
30 views
GDAL: Set an entire band to nodata (make empty)?
I have grayscale DEM that I've needed to convert to RGBA in order to play well with how blender addresses alpha channels. I'm using this script to create 2 more bands and then stick my alpha band at ...
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1answer
20 views
Why did the TIFF that I added to ArcGIS Pro turn blue and how do I make it greyscale?
I added a black and white TIFF that I want to use to create a basemap to a project in ArcGIS Pro. When I look at the layer, it turned a light blue color.
Why is this so and how do I make it grayscale?
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30 views
Determining if a GeoTIFF's projection is in spherical or cartesian coordinates
I have received GeoTIFF that may be projected into a UTM or cartesian coordinate system or may be in a spherical (lat/lon) coordinate system.
Is there a reliable way to automatically determine which ...
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1answer
31 views
Batch conversion of .hgt files to .tif using Powershell returns filename.hgt.tif files
I have a folder which contains DEM in .hgt. I want to convert them via GDAL. So to convert a single file, it's gdal_translate -of 'GTiff' N16E122.hgt N16E122.tif. To do it in Powershell, I figured it'...
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1answer
68 views
Converting big GeoTIFF file into JPEG
I have a big high-resolution orthophoto image (6cm/pixel, 22gb). I need to convert it to a JPEG image. Using QGIS (Raster - Conversion - Translate (Covert Format)) or the same GDAL command in OSGeo4W ...
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2answers
95 views
Converting Tile Folder to GeoTIFF using GDAL
I have a folder full of tiles, and I'd like to convert them into a single GeoTIFF file.
The folder structure looks like this:
10 //the zoom
554 //y
860.jpg //x
861.jpg
862....
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27 views
Quality of my TIFF file goes down dramatically
Every time I upload a TIFF to ArcMap, after I build pyramids (using a nearest neighbor algorithm) the quality of the TIFF file after it is added to ArcMap goes down dramatically. Why?
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42 views
Convert "float64" GeoTIFF image into "uint8" while maintaining the georeference (coordinates)
I have a .tif image in "float64" format, which I want to transform it into "uint8" by maintaining the georeference, in order to depict it to a PyQt5 window. I cannot display it as ...
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1answer
32 views
ArcGIS support GeoTIFF tiles and pyramids
I use ArcGIS Desktop and ArcGIS Server to distribute mapping applications within an organisation.
Large GeoTIFF mosaics have the options of being tiled and/or also including pyramids as described in ...
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32 views
GeoTIFF blurring with Python
I want to blur the TIFF file using Python. The pipeline in the following:
I open the image in rasterio as np.array
I blur the array with cv2.blur function
I save images with metadata using rasterio
...
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1answer
39 views
Extracting all polygons from GeoTIFF raster layer as PNG images using QGIS
I have a GeoTIFF file with multiple separated polygons on it as the following:
I'd like to find a way of extracting all these polygons as separated individual PNG images, just so I can have them as ...
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33 views
Process Sentinel-5p HDF5 / NetCDF to TIFF files but overlapping appears clearly between two files
I've used 2 Sentinel-5p scenes in HDF5 / NetCDF to GeoTIFF by GDAL like below:
First, I extract the lat and lon coordinates from the HDF5 file.
gdal_translate -of VRT HDF5:"...
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38 views
QGIS raster band value differs according to zoom/scale when using ascii and GeoTIFF versions of same raster
I converted an ascii raster to GeoTIFF (for the first time), then inspected the result in QGIS seeking confidence in my achievement.
What fails: "Identify Features" returns different band ...
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0answers
31 views
FEPSG of GeoTIFF given by GDAL is different than on QGIS
I have a GeoTIFF file and I wanted to know its CRS. When I open it on QGIS I get:.
I wanted to see if I could get the same result on Python (EPSG = 5936, the code for Alaska_Polar_Stereographic), I ...
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2answers
45 views
Conversion of TIFF file in a colorful pattern
I have a TIFF file which I got after taking the standard deviation from 10 TIFF files. Now when I plot my TIFF file of standard deviation they give me color like this (attached below). But I want to ...
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1answer
37 views
Where can I change the default color bands for GeoTIFF images?
I'm working a lot with GeoTIFF images, most of which have Senitnel-2 bands B02 (blue), B03 (green), B04 (red), B8A (NIR), B11 (SWIR) and B12 (SWIR) in that sequence. When I load them in QGIS, RGB ...
