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Opening .img file created in Erdas Imagine 2023 in Erdas Imagine 2022

I am having an issue working with a file created in Erdas Imagine 2023 in Erdas Imagine 2022. I ran a tool with the output .img. However, the .img format seems to be different in Erdas 2023 vs Erdas ...
Jess's user avatar
  • 11
0 votes
0 answers
93 views

Import ECW file

is it possible to add an ecw file as a data source? I have the gdal extension installed: Module Name: ImageI/O-Ext GDAL Coverage Extension Module ID: gs-gdal Version: 2.24.2 Component: ...
Rezorl's user avatar
  • 1
0 votes
0 answers
211 views

GDAL with ECW support on Ubuntu

I'm trying to install GDAL with ECW support on Ubuntu 22.04.4, but I'm getting an error I can't figure out after running the "make" command below. This is an extract from the error: /usr/bin/...
slaicha's user avatar
0 votes
1 answer
269 views

GDAL with ECW support on Windows

I have an 84GB ECW image I'm trying to split into tiles. Can anyone help me figure out how to install the ECW plug in from Hexagon for Windows (https://supportsi.hexagon.com/help/s/article/ERDAS-ECW-...
Biz's user avatar
  • 1
0 votes
0 answers
71 views

GeoServer ECW problem

I know this topic have been brought up before, but with different situations. I have been trying to configure geoserver to serve ecw extensions, following documentation and several other different ...
Pedro Cury's user avatar
0 votes
0 answers
45 views

What data does clustering use from multiple raster files?

I currently have a series of rasters of the same area across different times. The data is categorical: the product of a supervised classification used on LANDSAT data run on ERDAS Imagine. Each ...
Phil's user avatar
  • 23
1 vote
1 answer
97 views

Change select color in a raster in QGIS using Serval or Value tool

Is it possible to edit the table view of a raster that you see in the Value tool? Alternatively Using Serval, once we have a selection polygon can we choose a specific range of raster values within ...
GeorgeC's user avatar
  • 8,298
2 votes
1 answer
108 views

Does QGIS have a functionality similar to Flicker in Erdas Imagine?

I am trying to replace an Erdas Imagine workflow with QGIS and I have got most of it working but can't find a solution for fliker. We have it set to turn an image on and off every few seconds to ...
GeorgeC's user avatar
  • 8,298
0 votes
0 answers
34 views

Erdas - Export LUT Instead Of Real Values

I am using Erdas 2022. I have NDVI index of an imaging, and after creating it, the view shows a LUT which is not the original pixels, which is essentially the automatic stretching of the program. I ...
Guy Yafe's user avatar
  • 101
0 votes
0 answers
46 views

Excluding 'No Data' Pixels When Counting number of pixels in an AOI with ERDAS IMAGINE

I'm working with Landsat imagery in ERDAS IMAGINE 2014 and have encountered an issue with 'no data' pixels within my Area of Interest (AOI). The AOI includes unwanted 'no data' pixels that are ...
DMAGAS SENAVIRATHNA's user avatar
0 votes
0 answers
72 views

What does the metadata tell you about an image and its sensor?

I'm using a software called ERDAS and my tutor says that the Metadata can be used to detect which sensor your image came from. Is there anything you can tell me that links the metadata to the sensor? ...
Peter Watson's user avatar
0 votes
0 answers
22 views

Merging Subswaths with ERDAS Imagine

Does anyone have experience with merging subswaths of a SLC Sentinel 1 image in ERDAS Imagine? I cannot find the right function for it.
Gabriela Spriestersbach's user avatar
1 vote
0 answers
33 views

Installing libecwj2-3.3 on Mac

I am trying to install libecwj2-3.3 on MacOS 14.0. I have added all the patches as well from https://sourceforge.net/projects/libecw-legacy/ bu still the installation is failing with below error. &...
Namrata's user avatar
  • 11
0 votes
0 answers
325 views

How open ECW Maps in QGIS 3.22

I want to load ECW maps in QGIS 3.22 In ubuntu 22.04 I ran the latest version (master repo) of the code with Qt 5.15 and also tried it by installing it ( QGIS 3.22.4-Białowieża) In both ways, I can't ...
Parisa.H.R's user avatar
1 vote
1 answer
421 views

Transparency band of ECW not working in QGIS

I have loaded an ECW file into QGIS (v3.28.2 and also tried 3.30) and a transparency band is recognised as "Band 4: AllOpacity (Alpha)", however the raster is still displaying a black ...
Saj's user avatar
  • 107
1 vote
0 answers
748 views

Clean/Precise script to Install GDAL+ECW drivers in QGIS 3.22.16 and Ubuntu 22.04

This is what I did so far: This is how I installed ecw drivers and gdal: #ECW (BORRAR ANTES LA CARPETA /usr/local/hexagon si existía ## Unzip ECW libraries and install. Está en la carpeta public de ...
César Arquero Cabral's user avatar
0 votes
0 answers
79 views

GeoServer becomes overwhelmed

I have using GeoServer 2.22 with default setting and configuration values. I uploaded approximately 100GB of data as ECW files. When I run the server and display the maps by Arcgis Runtime SDK, it ...
Irem's user avatar
  • 65
0 votes
0 answers
111 views

Opening images layer stacked on ArcMap into ERDAS

I noticed that ArcMap can open almost anything but if I do a band combination or a supervised or unsupervised classification on ArcMap I cannot open it on ERDAS. Is there a way around it?
user217233's user avatar
0 votes
2 answers
311 views

Uploading multiple ECW files to GeoServer

I want to upload large number of ECW files to GeoServer. Do I have to do it one by one, is there a way to upload all ECW files at once?
Irem's user avatar
  • 65
1 vote
1 answer
1k views

Using GDAL to convert .TIFF to .ECW

I'm quite new to GDAL and coding in general. I'm trying to convert a whole bunch of TIFFs to ECW's, but just wanted to test with one to start however I think I might be having problems with syntax. I ...
Kevin's user avatar
  • 15
0 votes
1 answer
4k views

Convert ECW to TIFF in ArcGIS Pro

I have been given an ArcGIS Pro file with an ECW. I would like to export that ECW as a TIFF so I can open it on more programs. How do I do this?
user213175's user avatar
1 vote
4 answers
741 views

Most efficient way to perform rastercalculations with GeoTIFF and/or ErdasImagine files greater than 100gb

I have many GeoTIFFs ranging from 50-300gb and expect I'll have some even larger in the near future. I running a simple subtraction on a pair 77gb 1-band files, but I will also have similar 6-band ...
kpierce8's user avatar
  • 151
1 vote
0 answers
145 views

How to Copy Paste ECW maps together?

I have found previous threads but they are different enough to not be very useful to me. I have the pages of a reference atlas for a city that were photo scanned and then placed in ECW files. There ...
user213175's user avatar
0 votes
1 answer
1k views

Unsupported compression type in ERDAS imagine Software

Am trying to load a Landsat band but I keep getting the error of unsupported compression type, what might be the problem?
Kigia's user avatar
  • 3
0 votes
1 answer
273 views

Doing Layer stack in ERDAS Imagine

I am trying to do "Layer Stack" of Landsat 5 Surface Reflectance image in ERDAS Imagine 2015 but every time i get output as black and white image. Though pixels have RGB values but still ...
Kiran Choudhary's user avatar
0 votes
1 answer
75 views

Is it possible to pass GDAL Config Options to GeoServer on startup

GeoServer crushes on request to render big ECW image. Here it was suggested to control the memory that GDAL uses via the GDAL_CACHEMAX env var. Where should I specify this options? Is it applicable to ...
dmtflmnv's user avatar
6 votes
2 answers
3k views

Installing QGIS with ECW support on ubuntu 20.04

I know there are similar questions here, but I've tried every answer and every tutorial I could find, and I still can't open ECW with QGIS (and I kind of broke my qgis install? When I try to install ...
genevre mathieu's user avatar
1 vote
0 answers
200 views

How can I match the colors between the subset and the original image?

I have test subset using an AOI, and I have unchecked the "Ignore zeros in stats." option in the subset dialogue box. The difference in colors may have been cause by the histogram re-...
Shadi Abdelhadi's user avatar
0 votes
0 answers
341 views

ECW support on QGIS 3.22, GDAL (Mac OS 11.2.3 Big Sur)

I'm having trouble making virtual raster layers of .ecw files. I can load them into QGIS 3.22 but I can't seem to use buildvrt on them. I wonder why since GDAL warp seems to work on these files if I ...
hmnoidk's user avatar
  • 717
0 votes
0 answers
308 views

Creating basemap from ECW file in ArcGIS .Net Runtime

I'm new to ArcGIS Runtime and all the idea of maps. I have local ECW map files (UTM projected) on my machine, and I'm trying to understand how I use them as basemaps, so I can draw points on them, get ...
Lidor So's user avatar
0 votes
0 answers
119 views

How to batch upload ECW files to GeoServer

I have about 10000 ECW files. I want to show them as layers in GeoServer, but I need to upload them one by one. How can I upload them in bulk? Or how can I publish this 10000 ECW satellite images with ...
user198807's user avatar
2 votes
1 answer
12k 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 ...
Tarun Kumar's user avatar
0 votes
0 answers
543 views

GDAL configuration Geoserver 2.19.2 centos 7.9 tomcat

I have a Centos 7.9 installation with Tomcat 9.0.54 installed with a own service. Now i have created a GeoServer 2.19.2.war and serve it with Tomcat. That works great. I have installed gdal 2.2.4 with ...
JohnnyB's user avatar
1 vote
0 answers
50 views

Supervised classification in parts

I have an image from 1990 (res 30m, also clouds) for an area equal 2100km2 and when I performed the supervised classification, the software (ERDAS) confuses the classes that look similar. Is it ...
Andrea's user avatar
  • 11
1 vote
0 answers
216 views

Using ERDAS Imagine 2020 orthophotos

I am dealing with how to figure it out how to export an orthomosaic from my Agisoft Metashape because when I did the merge chunks there. When you merge there, it doesn't provide what I need because of ...
PROBERT's user avatar
  • 4,139
1 vote
1 answer
2k views

Opening ECW and EWW files in QGIS

For my project I need to bring ECW and eww files into QGIS (3.10 Coruna). The aerial pictures of the ECW files give no problems and are well georeferenced. However, I cannot open the EWW raster files ...
Jordi's user avatar
  • 11
0 votes
0 answers
207 views

ECW support for Java development

I'm trying to add support for the ECW file format in a Java application the last few days without any success. My development env is OS: Windows 10 (x64) JDK: openjdk 15 IDE: Eclipse On my pom I added ...
David Torres's user avatar
3 votes
0 answers
44 views

Empirical Line Method (ELM) in ArcGIS Pro [closed]

My images from 2017, 2018, 2019 and 2020 from the same area, recorded in the same time of the year, all look different regarding colour brightness, likely caused by atmospheric circumstances. As I ...
Eva's user avatar
  • 41
0 votes
0 answers
416 views

How to convert ECW to PNG with gdal_translate while preserving colors

I am trying to convert some ECW files to PNG using the command gdal_translate test.ecw -of png test.png, but the PNG file comes out grayscale. How do I produce a colored PNG from an ECW file using ...
user183474's user avatar
1 vote
1 answer
209 views

Is it possible to display a gray color GeoTIFF in ERDAS as it simply occurs in QGIS?

I have several GeoTIFFs (gray color) to be imported in ERDAS, however after googleing I could not find a way to display that color gradient as it occurs in QGIS. Below the GeoTIFF displayed in QGIS: ...
Gery's user avatar
  • 2,131
2 votes
0 answers
118 views

Do PNG files suffer performance for scaled read over ERDAS Imagine (.img) files?

So I have a 20 GB in size Raster Image in .img format. Though I will be examining the code, to find out why, I am AMAZED at how quickly QGIS renders the entire file in a scaled format, and prior to ...
John Sohn's user avatar
0 votes
1 answer
273 views

Need pros and cons of performing a GeoTIFF from ERDAS img conversion

I have a 20GB ERDAS IMG file that I need to incorporate into my project. It's data covers the entire USA, indicating the thickness of satellite sensed tree canopy. What image format would provide me ...
Loki the great's user avatar
2 votes
1 answer
554 views

Changing ECW output colour for no input value areas

I am attempting to convert a mosaic geodatabase raster to ECW using FME, but get black image output around the edge where there is no input value. How do I change this from black?
kaPow's user avatar
  • 21
0 votes
0 answers
1k views

Getting image resolution in ERDAS

How can I know image resolution of an image in ERDAS?
Ahmed's user avatar
  • 9
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 ...
NEHA GUPTA's user avatar
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 ...
Siddhartha Dhara's user avatar
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 ...
Deepthi's user avatar
1 vote
0 answers
738 views

R can't work with ecw while gdal/qgis does. Ubuntu 20.04 config

I'm an Ubuntu 20.04 user with all configured to use .ecw raster format. I can read these files in QGIS (3.10) and work with them without a problem. This is what I get in console: $ gdalinfo --...
César Arquero Cabral's user avatar
2 votes
1 answer
400 views

ECW file solution doesn't work in QGIS in the latest ubuntu [closed]

In Ubuntu 18.4 I enrolled in a QGIS course in that course .dem file shows but .ecw can not show so what can be the solution can anybody tell me. QGIS version is 3.10.
Muhammad Anik Sheikh's user avatar
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 ...
Felipe V's user avatar

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