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Avenza Releases MAPublisher 8.6 for Adobe Illustrator, Includes FME Support
By Lurker,
Avenza Systems Inc. announced the release of MAPublisher 8.6 for Adobe Illustrator. In addition to a large number of new features and enhancements to existing ones, this release is the first version of MAPublisher to offer support for Safe Software FME Desktop product.
Major New Features of MAPublisher 8.6
Import FFS Format - import support for Safe Software’s FFS file format (Windows only)
MAPublisher FME Auto - direct the results of an FME process directly to the MAPublisher environ
Need help to open netcdf4 files
By syah,
Hi Guys,
I really need your help. I am working with temperature data from NOAA AVHRR. The files format is netcdf4. Getting stuck to open the data. Arcmap 9.3, Idrisi Taiga failed to open it. My main objective is to open the data and save it to other format so that I can use common remote sensing software e.g Idrisi taiga, PCI or Envi.
Anybody?
Cheers
Syah
why resolution is not exactly equal to the mentioned one?
By badar,
Hi,
I just started a thread but this question I guess is different from that so I posted this as a new question.
Whenever I try to find the cell size of some SRTM DEM tile, it is never 90m. It might be like 87.5 89 etc. Same is the case with all images like landsat cell size is never 30m MODIS is never 500m exactly. What is the reason behind this?
This question has been bothering me for very long and I believe, I once knew its answer :smiley: but can't remember/find any logic/r
Overlay two images from different sources
By badar,
Hi all,
When we overlay different images from different sources, there might be the problem of difference in resolution. Consider a scenario where we want to calculate landuse per defined elevation zones. Say, we classify landuse from LandSat Imagery and use SRTM DEM for the delineation of elevation zones. Both have spatial resolution of 30 m and 90 m respectively. OK. Now we resample our DEM to 30 m from 90 m. Use a shapefile or some aoi layer to subset both images for our AOI.
If
Fuzzy Membership and Overlay tool in arcmap 10
By deepgis,
Hell every one,
I need help from anyone of you, how fuzzy membership and fuzzy overlay tool work in arc map 10.
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Hello folks! I am trying to use the Lyzenga Algorithm for estimating the depth of water in shallower areas, probably depths under 8-10 meters of lakes. First of all, how accurate is this algorithm in practice? Secondly, lets say i have the band values. can someone explain me how to retrieve those depths? I am following the "Lyzenga Algorithm for Shallow Water Mapping Using Multispectral Sentinel-2 Imageries in Gili Noko Waters" paper, but there are 3 steps of getting NDWIs, NDCIs and after filtering the Sun Glint Correction, then it finally comes to the depth calculating. it end ups in a formula of following: 𝑧 = 28.32 ∗ 𝑋1 − 36.25 ∗ 𝑋2 + 9.42 ∗ 𝑋3 + 16.35 x1 , x2, x3 are RGB values respectively. What do you guys think? can i just apply this formula ? if not, what is the purpose of all the previous steps, and will they change the rgb values anyways? -
Hello folks! I am trying to use the Lyzenga Algorithm for estimating the depth of water in shallower areas, probably depths under 8-10 meters of lakes. First of all, how accurate is this algorithm in practice? Secondly, lets say i have the band values. can someone explain me how to retrieve those depths? I am following the "Lyzenga Algorithm for Shallow Water Mapping Using Multispectral Sentinel-2 Imageries in Gili Noko Waters" paper, but there are 3 steps of getting NDWIs, NDCIs and after filtering the Sun Glint Correction, then it finally comes to the depth calculating. it end ups in a formula of following: 𝑧 = 28.32 ∗ 𝑋1 − 36.25 ∗ 𝑋2 + 9.42 ∗ 𝑋3 + 16.35 x1 , x2, x3 are RGB values respectively. What do you guys think? can i just apply this formula ? if not, what is the purpose of all the previous steps, and will they change the rgb values anyways?
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