Questions tagged [erdas-imagine]

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

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Rectification of a lot of images using ERDAS IMAGINE

I want to rectify many images of same area but different dates at a time in ERDAS Imagine 1 I did this using Batch processing but I have no out put. Second I did reproject many images using Batch ...
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48 views

Imagine 2014 displaying images with large no-data values

I'm starting to use Imagine 2014 after a recent upgrade. The images I'm using have data values in the range of approximately -.02 to 350.0. The no-data values bordering the data has a value of 2 ...
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Calculating TOA reflectance from Radiance using Erdas Imagine for a Spot2 image

Using the SPOT equation ρ = π L/[E cos (θs) d-²] to calculate TOA reflectance from Radiance. L was calculated using this equation [L = (X/A) + B] d was calculated by converting date to julian day ...
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1k views

Creating batch file from ERDAS IMAGINE Spatial Modeler?

How to create batch file from the ERDAS IMAGINE Spatial Modeler? I want to do the same process to different input images, something similar which we can do by batch processing of the existing ...
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660 views

Conversion problem of projection of MODIS LAI from sinusoidal to geographic

I am trying to change MODIS data's (LAI) sinusoidal projection to geographic. Actually I did it. But when I reproject it by ERDAS, the output LAI raster moved about 10 km to west side of actual ...
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42 views

Determine sun elevation without header file?

I have some AWiFS and LISS-III data that I'm trying to convert from at-sensor spectral radiance to top-of-atmosphere reflectance. The problem is, the data didn't come with any header file. All I ...
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43 views

Which georeferencing method for Himalayan Awifs-Awifs registration

I would like to know which georeferencing method would provide the best result for Himalayan region in-case of Awifs(Raw) to Awifs(master) georeferencing.. I have already tried polynomial ...
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308 views

Uninstall ERDAS ECW/JP2 SDK Version 5.0 (Ubuntu)

I am using Ubuntu Linux as main OS when it comes to geoprocessing but I am not yet an expert using it. I recently needed QGIS to have ECW support, so I followed the instructions of Luke in the ...
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183 views

Error when converting shapefile to .dxf

I have created a polygon shapefile in Erdas Imagine 9.2 from a raster image. I want to export it to .dxf or .dgn for further processing. When I export the .shp to .dxf in Global Mapper, large polygons ...
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148 views

Why does ERDAS not like my GDAL output?

I am creating a raster using GDAL and the IMAGINE file doesn't work in ERDAS because it doesn't recognize the projection. Here is the code to generate a sample: from osgeo import gdal projectionWkt ...
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112 views

Is there any accuracy difference between standard DTM editing tools like DT Master and automatic removal of artefacts using ERDAS?

I would like to know whether there is any accuracy difference while editing DTM points using standard photogrammetry software like Inpho DT Master and automatics removal of artefacts in ERDAS imagine.
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224 views

How do you convert an Imagine raster attribute value into the raster value?

I have a raster derived from image segments with row id as the value. I have an attribute in the attribute table which should be the raster value, "Standard deviation layer 5" (see image). How do I ...
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334 views

What does “unit name Degrees not found” error mean in ERDAS?

I want to create a mosaic in Erdas. When I want to add an image file in the Mosaic Tool interface in Erdas, Erdas showed me the error saying "unit name Degrees not found". Then I tried to change the ...
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1answer
12 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 ...
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26 views

How to use knowledge engineer in Erdas Imagine for rule based classification

I want to use rule based classification in knowledge engineer section of erdas imagine software. But I don't know how to create a *.ckb file. Can somebody point me to some reference material or ...
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17 views

Atmospheric correction using ERDAS 2014

There are some questions about atmospheric correction using ERDAS. Is it possible to use the atmospheric corrected satellite image to calculate NDVI and LST using ATCOR of ERDAS? If not, I wonder if ...
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1answer
41 views

Extracting DEM from PRISM data?

I have PRISM data which is in the following format. Are there any ways (software and methods) to extract the DEM or elevation information from these data files?
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41 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 ...
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332 views

How to do topographic correction of Landsat 8 image in ERDAS?

I am trying to perform a topographic correction of a Landsat 8 image using the C method described in the paper below. I am doing this in ERDAS IMAGINE Spatial Modeler. However, I am not sure how to ...
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1answer
45 views

Data type doesn't match error in Sieve filter

I classified some land cover types in aerial image with Erdas Imagine, now I want to remove classification errors showing very small areas. I tried to use Sieve filter, but getting error notification "...
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267 views

ORFEO vs ERDAS: How to extract a good DSM with ORFEO

I'm trying to use ORFEO to check is it suitable to replace ERDAS to perform DSM extraction from stereo pairs. First thing, I can't use ORFEO for complete Pleiades images, it always crashes (my machine ...
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50 views

Derive individual land cover classes from .jpg map

I have a .jpg image which is land cover classification image with 9 classes. I want to extract raster image (.img file) which contains the same classes as .jpg image (9 classes too). Is there any tool ...
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165 views

PALSAR 50m Orthorectified K & C Mosaic it's possible to create interferometry?

JAXA is providing free access to PALSAR 50m Orthorectified K & C Mosaic. According to the website, data are provided in raw (HDR) and png. ALOS PALSAR K&C Mosaic or New global 50m-resolution ...
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1answer
1k views

“Display Background value ”0“ raster”

While publish raster layer in geoserver it shows background as black. How to remove the black color. if there is any options to permanently remove the black color.
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272 views

Aligning imagery in ERDAS Imagine?

I have two Imagine files that I need to mosaic. When I added these two in Erdas Imagine, there is a black gap between them, for example, they are not properly aligned. I know very little bit about ...
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1answer
1k views

Installing Google Earth ribbon tab in Erdas?

I have Erdas Imagine 11 and Google Earth installed, however the Erdas interface does not show the Google Earth ribbon tab. I've tried re-installing both software packages, but the toolbox does not ...