All Questions
874 questions
2
votes
0
answers
66
views
Solving color correction of LISS IV Multispectral image
I have a LISS IV multispectral images (radiometric resolution of 10 bit per pixel) taken in different months 4 tile in January and 2 tiles taken in February.
While mosaicing, I got a different color ...
- 21
0
votes
1
answer
146
views
Copy/Paste image Element in ArcPy 10.3
I seeking a way to copy/paste an image in the layout with python code.
I saw this documentation: https://desktop.arcgis.com/en/arcmap/10.3/analyze/arcpy-mapping/pictureelement-class.htm but didn't ...
- 4,082
1
vote
1
answer
279
views
Can you use the pixel weighting values when exporting a Google Earth Engine image asset to a GeoTIFF?
I am exporting image assets to my google drive as GeoTiffs. Each asset was originally created by clipping an image to a feature and then reprojected to a slightly coarser resolution. Therefore when ...
- 13
3
votes
1
answer
650
views
PyQGIS: Inserting a logo image in the layout [closed]
I have a big logo image (1443 x 1453) that needs to be imported and added to the print layout. The image should be resized (to about 15% of its original size) and placed at a specific location in the ...
- 171
0
votes
0
answers
474
views
Input image does not match with signature file in supervised classification
I have a issue in supervised classification on ERDAS IMAGINE. When ever I performed supervised classification it gives a warning message. It says:
iInput image does not match signature's image ...
0
votes
0
answers
164
views
Increasing Resolution of Image By Splitting Image Pixel into Smaller Pixels | Google Earth Engine?
I have two MODIS satellite images with same custom band, one of 1000m/px resolution and other of 250m/px. I want to compute their mean 'image' and display as map layer.
My current way of achieving ...
- 341
0
votes
2
answers
424
views
Image Dodging (color matching algorithm) in ERDAS
I have two LISS 3 images acquired in Feb and March a year apart. I have performed atmospheric correction (haze reduction) for both the images individually before applying the color matching algorithm ...
- 5
0
votes
0
answers
2k
views
How to convert GeoJSON to PNG image
I'm looking to use the geojson module in Python, as well as Pilllow to convert a .geojson to a .png image. I know how to extract the data from the file but I don't know what to do from there.
- 11
0
votes
1
answer
162
views
Exporting two vectors layer as one image
I am writing Python code to take two vector layers as input add different symbology to it and then export that as a image. The vectors layers have been added to the map canvas but while exporting only ...
- 67
1
vote
1
answer
2k
views
Merge neighboring image tiles into a single image
I have a set of satellite image tiles from Bing Maps (info here). The tiles' names specify tile coordinates within the tile system and zoom, e.g. 156608-142775-18.jpg.
An example set of tiles:
['...
- 746
0
votes
1
answer
3k
views
Creating an image collection from multiple uploaded images
Please help a noob to find a way (any way) to work with multiple (hundreds) images that I want to (upload and) process with earth engine. Here are the options I see:
Use interactive asset management ...
- 21
2
votes
1
answer
42
views
Why do Landsat images sometimes form triangles instead of 4 sided polygons to cover areas?
I put several Landsat8 images into ArcMap 10.7. I don't get the same kind of coverage (square area) you see in the first picture from the Earth Explorer site. I instead get picture 2: corners, ...
- 21
8
votes
1
answer
10k
views
How to Combine Two Image Overlaying Into One Image in Google Earth Engine?
I have two images of different sizes. I can make them overlay each other using Map.addLayer() for each. But I want to combine them into one image as shown in illustration below. How to achieve this?
- 341
0
votes
0
answers
44
views
fusion of different resolution satellite image?
I have two dataset
Worldview (38cm: pansharpened) - R,G,B
Planetscope (3m) - R,G,B,NIR
But, worldview image has only R,G,B, so I can't figure out spectral response for classification.
I think it's ...
1
vote
1
answer
1k
views
How to Convert Number (Type Object) Into Type Number in Google Earth Engine?
I am creating a time-series chart of cloud cover. I calculate the cloud score for image using a custom function and store it as a cloud property.
Finally, I try to create a chart as follows:
Get the ...
- 341
0
votes
1
answer
79
views
Failing to Show Custom Sentinel 2 Image Collection on a Map in Google Earth Engine
I'm creating a custom image collection over a bound region as follows:
Get image collection containing images taken by satellite in 7 days
var collection_to_covert_to_image = ee.ImageCollection(&...
- 341
2
votes
1
answer
2k
views
Showing images linked with corresponding KMZ in QGIS
I have the master KMZ with the images that are linked to its corresponding placemarks, I can see the images of KMZ in Google Earth, but while loading in QGIS, I can't see the images.
So, how can I see ...
- 21
1
vote
0
answers
111
views
KNMI MSGCPP geoview to WGS84
I would like to transform KNMI MSGCPP geoview netCDF file to WGS84 netCDF file with gdal_translation and gdalwarp. I got error msg.
I shared the geoview netCDF file (140 MB): https://z001.s3....
- 11
0
votes
1
answer
327
views
Render imageMosaic of palleted GeoTIFFs via WMS from GeoServer
I'm ultimately attempting to serve an external ImageMosaic of GeoTIFFs via WMS. The individual tiffs are pca hillshades, generated using r.shaded.pca in GRASS 7 GIS, exported via GDAL to UInt16 and ...
- 31
1
vote
1
answer
2k
views
Adding picture linked to feature in QGIS report layout
I'm trying to make a report in QGIS, in the attribute table of my layer, I have a column named "picture1" filled with the relative path of a picture, that illustrate the feature.
In the ...
- 19
1
vote
1
answer
2k
views
Converting a FeatureCollection to ImageCollection in Goolge Earth Engine?
I created a Feature Collection of Ndvi (mean, min, max) from Image Collection. Now i want to convert FeatureCollection in ImageCollection in order to have a three bands (mean,min,max).How can help me?
...
- 105
-1
votes
1
answer
1k
views
Multiplying image collection by list of numbers (pairwise) using Google Earth Engine
I want to know how to multiply every single image of a collection against its respective coefficient allocated in a list. It means to multiply the image 5 with the element 5, image 6 with element 6, ...
- 332
2
votes
1
answer
2k
views
Static image layer combined with vector layer in OpenLayers 6
I'm trying to have an image layer combined with a vector layer but when I add projection to View the vectors disappear. Am I doing something wrong?
Here is an example of what I'm trying to achieve: ...
- 163
1
vote
2
answers
4k
views
How do I change this exif data into long and lat?
I've been using ImageMagick in a Linux terminal but I'm not sure how to read the coordinates it's giving me.
If you can't see the picture, the data is:
Properties:
date:create: 2020-05-21T12:33:...
- 11
1
vote
0
answers
1k
views
OpenLayers React export map and vector layers
For my project I am trying to export the map I have created with all it's Vector layers. I can't seem to get the example I found on the site of OpenLayers to work in React. The export doesn't need to ...
- 295
1
vote
1
answer
798
views
OpenLayers 6: blur effect with ImageStatic
I'm using a static image on my map in a project with Django. The code is inspired to the official example:
var imageSourceExtent = [
12.1986543459999996,
44.9052984770000023,
12....
- 970
-1
votes
1
answer
300
views
Uploading image into Google Earth Engine [closed]
How do I upload an image into GEE?
I would like to
a) just upload an image with no actual geodata just to display in a panel
b) take an image and give it the geodata as well (in QGIS) and upload it.
- 63
0
votes
1
answer
2k
views
Collection asset not found
I am using this code
BANDS=['B1', 'B2', 'B3','B4', 'B5', 'B6', 'B7']
area = ee.FeatureCollection('ft:1GxT2Q22KIGDjLFY1J11IX8lTAQPIoNyvBsG2fX0')
collection = ee.ImageCollection('LANDSAT/LC08/C01/T1_SR'...
3
votes
2
answers
11k
views
Put an image file on the map in QGIS without coordinates
Is there any way to put an image file on the map in QGIS 3.12.1 and move it anywhere. For example, there is a map with national parks and I want to add an image (SVG) as a symbol, without coordinates ...
- 43
0
votes
1
answer
810
views
Conversion of numpy array to GEE image
My program needs a numpy array for processing, so I convert GEE image into numpy array using this code:
# Define an image.
img1 = ee.Image( 'LANDSAT/LC08/C01/T1_SR/LC08_038029_20180810') \
.select([...
1
vote
2
answers
725
views
Reducing every image in collection using Google Earth Engine
I want to reduce every single image in a collection, but I have not been able to make it. The process is really easy and works with a single image, but I need to do the same for every image in the ...
- 332
0
votes
0
answers
26
views
Retrieve image from area
I'm looking for a way to retrieve an image (a satellite one, preferably) from a rectangular area of a map given a minimum and maximum latitude/longitude.
What tools can I use to achieve this?
- 109
0
votes
1
answer
46
views
How can I export a Seed Points layer as a image?
I have the Seed Points layer produced by Watershed Segmentation. I want to export is as a image (with background).
How can I do this?
I understand that I can do Project->Export->Export Map to Image.
...
- 215
2
votes
1
answer
204
views
NAIP image convolution using Google Earth Engine JavaScript API
I am new to image processing and coding and I am having trouble applying a lowpass and highpass filter to a NAIP image. I have practiced with Landsat 8 images with a successful output but I am getting ...
- 23
2
votes
0
answers
39
views
ArcGIS Online Popups - Display Imagery date & time properties?
I am displaying linked images from traffic cameras in my AGO popups. The images get updated regularly. If I download an image and look at its file info it has associated date and time properties. Is ...
- 21
1
vote
1
answer
2k
views
Google Earth Engine: Exporting many processed Images
I am new to Google Earth Engine and with the help of GIS community, I was able to learn really quick. So, kudos to the GIS community.
But I am having a bit of an issue. I am currently exporting ...
- 43
0
votes
1
answer
119
views
How to bind to coordinates <onlineresourse>, in sld GeoServer?
I have coordinates and there is an image (link to png image), I need to bind it to the coordinates (onlineresource tag) in the GeoServer. An example of how to google maps here https://developers....
-1
votes
1
answer
942
views
Can I find where a satellite image was taken in? [closed]
I really want to find where this is in because it was in my Math test and I've found a place like this before in another test but it actually had names around it so it was easier.
I know it's blurry ...
- 9
0
votes
1
answer
161
views
Differences between imported Landsat-8 images in Erdas Imagine
What is the difference between the images created after importing with USGS Landsat 8 dialog, in particular, the suffixes _msi and _msitir? I understand that they stand for multispectral image and ...
- 3
0
votes
2
answers
621
views
ArcMap to automatically create polygons from shapes that are present in an image raster
I have a geolocated greyscale geojpeg image showing a network of geological fractures in the ground. They show up as bright lineations and create a reticulate pattern (think giraffe pattern). I've ...
- 41
0
votes
0
answers
1k
views
Show popup on marker click on static image in Openlayers
Im complete newbie in scripting and I have problem which I can't solve (and I searched whole web for days for coming here for answer). Im trying to make very simple completely static image map. I ...
1
vote
1
answer
1k
views
Cannot export image on Google Earth Engine
I try to get a satelital image on my google drive by using the code:
The image variable is mejorImagen, the problem is this:
Export.image.toDrive({
image: mejorImagen,
description: mejorImagen....
- 457
1
vote
1
answer
215
views
How to accumulate in the image collection in Google Earth Engine
Here is an image collection [img1,img2,img3,img4,img5]. I want to get List or image collection [img1, img1+img2,img1+img2+img3, img1+img2+img3+img4, img1+img2+img3+img4+img5].
I tried to complete the ...
- 109
2
votes
1
answer
1k
views
Set 'system:time_start' in Earth Engine
I have an image collection(image) with 'system:time_start'.
My function(iterate) is to get [img1, img1+img2, img1+img2+img3, img1+img2+img3+img4, img1+img2+img3+img4+img5].
But after I calculated, I ...
- 109
1
vote
1
answer
142
views
Problem with a function to create a unique image starting to image collection
Starting from Global Hansen dataset and in particular lossyear map, with the following function I obtained an image collection. Each different image is given by the overlap of image for the current ...
- 83
0
votes
0
answers
772
views
GDAL "permission denied" on Windows
from osgeo import gdal
ds = gdal.Open('/Data/F182010.v4/F182010.v4d_web.stable_lights.avg_vis.tif', gdal.GA_ReadOnly)
The code showing Runtime Error Permission denied How to fix this?
/Data/F182010....
1
vote
1
answer
1k
views
Use of array image in Google Earth Engine
I have a array image:
var blist = change.select('tBreak');
Each pixel value in the image is a time.The time format uses is the serial date, starting from 0000-01-01.
And I have an image collection of ...
- 109
1
vote
1
answer
741
views
How to make the data in the list add up in Google Earth Engine
I am new in Earth Engine. Here is an image collection [img1,img2,img3,img4,img5]. I want to get List or image collection [img1+img2 , img2+img3, img3+img4, img4+img5]. I tried to complete the ...
- 109
4
votes
2
answers
165
views
Digitizing historical Brazilian map in QGIS3.4
I am trying to overlay a map of a historical boundary (in .tif format) onto a Brazilian shapefile with subnational administrative boundaries. My general question is: what is the most direct (and ...
0
votes
1
answer
50
views
Image recognition between Improved vs Raw Land for city parcels from Aerial with QGIS? [duplicate]
Are there any tools or methods that allow QGIS analyze whether the lots/parcels have been untouched or developed, and return a "1" or "0" to a table or points layer or anything?
I was thinking more ...
- 13