Skip to main content

Questions tagged [erdas-imagine]

ERDAS IMAGINE is a remote sensing application with raster graphics editor abilities designed by ERDAS for geospatial applications.

Filter by
Sorted by
Tagged with
0 votes
0 answers
34 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
  • 13
1 vote
1 answer
59 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
  • 8,238
2 votes
1 answer
78 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
  • 8,238
0 votes
0 answers
24 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
26 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
25 views

How to find an Area of Interest in ERDAS and is there a way to make them stand out?

One of the things I've been doing is creating AOIs (Areas of Interest). They were supposed to be at least 30 pixels in size. However, I have lost track of one of them which was classed as "...
Peter Watson's user avatar
0 votes
0 answers
46 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
19 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
0 votes
0 answers
96 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
1 vote
4 answers
566 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
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
187 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
1 vote
0 answers
188 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
1 vote
0 answers
43 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
204 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
3 votes
0 answers
43 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
1 vote
1 answer
189 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
  • 2,135
2 votes
0 answers
116 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
255 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
0 votes
0 answers
970 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
59 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
455 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
397 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
0 votes
1 answer
154 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
2 votes
0 answers
626 views

Layer stacking Multispectral reflectance imagery in ERDAS Imagine 2016

I have Green, red, Red edge and Near infra-red reflectance maps captured with a Parrot Sequoia camera and post processed with Pix4D. They are all Single Float Tiff files, around 500Mb in size. I ...
user89463's user avatar
1 vote
0 answers
199 views

Why does a raster that consists of 3 bands appear greyed out?

I have a raster that is formed by stacking the bands blue, green and red of "Landsat 8", when it is displayed on Erdas Imagine 2015 it appears as if there is a semi-transparent grey layer over it, the ...
Ahmed Elsayed's user avatar
0 votes
1 answer
151 views

Preparing two images with different dimensions to use in Agisoft PhotoScan

I have two aerial photos that are flowed over the national forest. The photos were scanned by a contractor and they came in various dimensions for each photos. The one I have had smaller dimension ...
PROBERT's user avatar
  • 4,139
0 votes
1 answer
200 views

ERDAS mosaicPro from 2D view reference layer is not displayed on top

I am having an issue using the ERDAS mosaicPro from 2D view tool. I am using ERDAS 2015. I have two separate Landsat 8 file bands. Band 1 from one date and Band 1 from another date. I have ran the ...
Binx's user avatar
  • 1,380
0 votes
1 answer
2k views

ECW not reocgnized as supported file format in GDAL operation

I've installed QGIS 3.6 for MAC, with GDAL 2.4, ECW GDAL Plugin for GDAL 2.4, and manually installed the libraries from ERDAS ECWJP2SDK 5.4. This allows me to insert ECW files as raster layers in ...
BMM's user avatar
  • 401
0 votes
1 answer
390 views

Pleiades atmospheric correction

I have phr1a and phr1b images (Pleiades) and I need to make atmospheric correction. First, I tried to do this by using Envi FLAASH. by the way, I tried also ERDAS atcor but there was also same ...
noruinis's user avatar
1 vote
0 answers
153 views

Unsupervised classification in ERDAS imagine

I am trying to make a classification to run some index ( like NDVI) to see the change over time using the image difference function. Is it possible to do an unsupervised classification on one image ...
user132874's user avatar
2 votes
1 answer
640 views

ERDAS Imagine signature picker colour changing RGB numbers?

I've noticed something with the signature picker in ERDAS and I was wondering if it is a bug or a feature. When I create classes I assign a colour to make them easily readable in the classified ...
Dakan_GIS's user avatar
1 vote
0 answers
84 views

Reprojecting a SHP in QGIS to used it in ERDAS

I´m trying to created a AOI in ERDAS with a shapefile, but this shapefile had a projected system different to system that my image has, because of that I changed the projected system of the shp in ...
Na_Na_Na's user avatar
  • 131
1 vote
1 answer
446 views

Masking an image in Erdas using Thematic Image, the mask comes out looking wrong and completely different than input image

I am trying to mask out shadows and clouds in a WV2 8-band image. I classified an image to identify the shadows and clouds and then using the mask took in erdas used the classified image to mask out ...
K.Sanders's user avatar
2 votes
1 answer
231 views

Smooth mosaicking of smaller orthomosaics to form a homogenous mosaic

This image below is generated using Erdas Imagine where I used mosaicpro tool to create a super mosaic of orthomosaics generated using PIX4d I used following options: Color Balancing Color Dodging ...
Sandeep Kumar's user avatar
1 vote
1 answer
358 views

Histograms in Erdas Imagine staying grey

When I open the metadata in Erdas Imagine 2016 of a raster file (I tried several different raster files) the histogram at the histogram button stays grey. I already tried to change the setting of NAs ...
Li12's user avatar
  • 307
0 votes
1 answer
3k views

How to work on histograms in ERDAS Imagine?

Is there a possibility to work on histograms in ERDAS Imagine? For example: Compare histograms of different images or different extents Shift them or find patterns I thought there must be good ...
Li12's user avatar
  • 307
0 votes
0 answers
147 views

Set multiple values to nodata - Erdas Imagine 2015

I am having trouble with the data ranges in the Landsat 8 surface reflectance product which I downloaded from USGS. The Lansat 8 surface reflectance handbook says the valid range is 0 - 10,000 range ...
lyseng's user avatar
  • 1
2 votes
2 answers
756 views

Projection shapefile

I created a shapefile of Sundarban area Bangladesh. Here it is: Here is the projection information about it: I want this shapefile to project upon an image which is here [I downloaded it from ...
Mitesh's user avatar
  • 129
1 vote
0 answers
130 views

Vector-Viewing Properties on Multipoint Geometric Correction in Erdas Imagine 2014?

I am following some old instructions that are not up to date with my latest version of Erdas Imagine. Where can I find the Vector viewing properties within the Multipoint Geometric Viewer? The ...
Isabella's user avatar
0 votes
1 answer
207 views

Where can I find the viewing properties on ERDAS?

The instructions state to click on vector and then viewing properties yet I cannot find the viewing properties. When I click on vector in the main menu there is no option for viewing properties.
Isabella's user avatar
0 votes
2 answers
5k views

Convert ERDAS Imagine AOI to Shapefile

I was trying to convert a very simple Erdas Imagine AOI file (its a single polygon) into a shapefile and was mostly finding documentation on the inverse (SHP to AOI). I was trying to follow the steps ...
ENIAC-6's user avatar
  • 906
1 vote
0 answers
594 views

landsat 8 images in ERDAS imagine 2014 is not mosaicking properly

I am trying to merge all 4 landsat 8 images in order to create land use land cover map, but its not merging properly.I layerstacked this images before merging. Should i download landsat images which ...
Namitha's user avatar
  • 85
1 vote
1 answer
468 views

Erdas Er Mapper: Annotation vector layer to Shapefile

I mapped some lines on Er Mapper 2014 with the Annotation tool (Add vector layer > Annotation/Map composition), so these lines are georeferenced and they got a specific width and colour. I saved ...
Lionel's user avatar
  • 181
0 votes
2 answers
295 views

What Geometric model can I use for the old black and white aerial imagery?

I am working a lot of aerial photos that are very old and were scanned by a contractor. The flight were taken and snapshot over the national forest. The aerial photos are not georeference. I am going ...
PROBERT's user avatar
  • 4,139
1 vote
1 answer
352 views

Using Hybrid Classification? [closed]

I'm new to this field of study. my teacher ask me to do a hybrid MLC and ISODATA classification for my bachelor thesis. so I got one journal that combine both method, but I think it too complex for ...
Pija Giandra's user avatar
1 vote
0 answers
37 views

Image displays in 3 RGB stripes across the surface

I layerstacked the Image in the screenshot above, but it is displaying in 3 stripes of RGB. Anyone who knows what the problem could be?
Dominic Njue's user avatar
1 vote
1 answer
327 views

Exporting many TIFFs issues in ERDAS Imagine 2016?

I have been having an issue with exporting TIFFs on my ERDAS Imagine 2016. The version is 16.00.0000 Build 650. When I need to run a batch to export many TIFFs and it would export one but then it ...
PROBERT's user avatar
  • 4,139
1 vote
0 answers
400 views

Attribute table shows histogram/pixel count for a thematic raster image, but on enquiring, every pixel's value is zero

I have a thematic raster image containing 18 land use classes (like built-up, water bodies, plantations, forest, etc.). When I display this image in a GIS application (Arcmap/Erdas IMAGINE), the map ...
user3317964's user avatar
3 votes
1 answer
1k views

Define vector projection and reproject shapefile in ERDAS IMAGINE 2013?

I come from a GIS background mainly using ArcMap and QGIS, but am now doing more image processing work and so have decided to start using ERDAS IMAGINE 2013. I am attempting to project a shapefile ...
ThomasMNS's user avatar

1
2 3 4 5 6