ERDAS IMAGINE by Intergraph, incorporates geospatial image processing and analysis, remote sensing and GIS capabilities into a powerful, convenient package. It enables creation of 2D images, orthophoto mosaics, landcover classification, 3D flythrough movies, vectors derived from imagery, and ...
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6 views
ENVISAT ASAR .N1 file is not being opened by ERDAS IMAGINE 2011
I am not able to open ENVISAT ASAR .N1 file in ERDAS IMAGINE 2011. The software has direct read option for files of this format. Whenever I try to open the file, software closes automatically giving ...
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1answer
23 views
How do I classify or spot a pixel, based on a specific reflectance values of the six Landsat Bands using Erdas?
I have converted the DN values to the reflectance of a Landsat image to classify the rice field by its stages. To specify the reflectance values of each stages, I have sampled the reflectance values ...
0
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1answer
40 views
How to import HDF (L1G) files in to Erdas or ArcGIS?
I have downloaded satellite imagery from GLCF website, it has downloaded with .L1G file extension, I am not able to open this file in ArcGIS as well in Erdas, so please let me know how to open this.
2
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1answer
74 views
Differential Equations in ArcMap or ERDAS Imagine
I would like to know if it's possible to solve differential equations and run them directly in either ArcMap or ERDAS Imagine, similar to the raster calculator in ArcMap.
Thanks
J
1
vote
1answer
48 views
Extracting Data from the NLCD dataset.
I am working with U.S. National Landcover Dataset (NLCD) to classify habitat type at more than 150 sites across the northeast U.S. The dataset is very large (15GB) so I cannot upload it here, but it ...
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2answers
77 views
Mysterious Problems with .IGE file
I'm trying to manipulate an .IGE file, which I understand is a raster data format developed by Erdas Imagine. The data I've downloaded is the National Land Cover Database (NLCD) 2006 Percent Developed ...
4
votes
2answers
140 views
How to remove vehicles from an aerial photograph
I have an aerial photograph of an area. The image includes visible traffic signs and vehicles. How can I remove the vehicles from the image? Is it possible to do so in software like Erdas or Envi ...
2
votes
2answers
59 views
Searching for LANDSAT for the state of New Mexico
I am looking for a website that allows me to download free LANDSAT for all of the State of New Mexico. I need them to perform my work on RUSLE and need LANDSAT for c factor.
Does anyone suggest of a ...
2
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2answers
96 views
Shoreline identification using ERDAS 2011
How can we separate shoreline from shallow water sea and land area in a LISS 3 image using ERDAS 2011 software?
thanks.
3
votes
3answers
218 views
MODIS image reprojection/ change coordinate system in ArcGIS 9.3
I have downloaded Utah state shapefile in NAD_1983_UTM_Zone_12N projection and also downloaded the MODIS image of the area (MOD09Q1) in .hdf format which has sinusoidal projection.
the .hdf format ...
1
vote
0answers
36 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 ...
2
votes
2answers
327 views
How to determine soil moisture index values from reflectance values in a satellite image?
I'm working on determination of soil moisture by remote sensing. I would like to know how we can determine soil moisture index values from reflectance values in LANDSAT TM images.
6
votes
1answer
195 views
How to convert an Erdas training set to .csv?
I am working with Erdas Imagine's Signature Editor to perform maximum likelihood classification. I need to use the same training set created in Erdas for other classification using R. Is there a way ...
6
votes
2answers
266 views
calculate area of vegetations in a raster file
How do I calculate area of several vegetation types in a raster (.img file type) image. They are color coded. Am using QGIS (1.8.0) and ERDAS 9.2.
3
votes
2answers
107 views
What Information Does the Blue Band Provide?
I am playing around with ERDAS and was implementing image difference on two rasters separated by interval of time. I was using a blue band raster and I created a default threshold for percentage ...
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0answers
98 views
How to make Mapnik render Erdas images in RGB instead of grayscale?
I have some orthophoto files (Erdas Imagine format) enclosed in a vrt file. When I view it in any desktop GIS it has proper RGB colors, but when I use the vrt in Mapnik to render some tiles, I get ...
5
votes
1answer
251 views
Floor height creation from Aerial Lidar/Imagery only
I was wondering if it is possible to generate the floor heights of buildings from aerial lidar? We don't have terrestrial lidar or stereo imagery. I don't need the ground DEM level or the roof (DSM) ...
