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Open terrain dataset in ArcScene
By maunaloa,
Hi everyone!
I'm modelling an archeological site with ArcGis. I want to use terrains instead of TINs for surface modelling. I made in in ArcCatalog a new geodatabase, with a new dataset. I created a new Terrain into this dataset. I dropped into some point, line and polygon feature classes. The ArcMap can show it, but ArcScene can't. If i click on add data button, and want to browse for terrain dataset, i can't see in the right folder. If i choose the file filter for "all files", i see it, but
Create vegetation Feature data by extraction from raster mapping or imagery
By mtsini,
Hi Everyone. I hope somebody can help me please. I am trying to create a vegetation vector data layer by extracting the data from 50K raster mapping or colour imagery. Because of the large amounts of vegetated areas within my AO I don't want to have to mandrolically digitise.
So far my thoughts have been.
Convert 50k Raster mapping vector in arc toolbox. This assigns a value to all the feature of the map that have now been vectorised from this I can work out the value that has been assigne
ALOS Termination
By Lurker,
I Found this messages in Remote Sensing forum , a sad news actually, check this out :
Subject: ALOS termination
Dear ALOS researchers,
April 27 2011
It is regrettable for us to inform you that the Advanced Land Observing Satellite (ALOS) has been terminated on April 23 due to malfunctioning the solar power generation.
At around 7:30 a.m. April 22 (JST, last Friday morning) we found that ALOS was moved into the low power consumption mode, which is the satellite safe mode to minimize the
MOVED: Subpixel Classifier with erdas
By Lurker,
This topic has been moved to Remote Sensing.
[iurl]http://gisarea.com/index.php?topic=1132.0[/iurl]
Subpixel Classifier with erdas
By 3dbu,
Someone can helpme and give some tips how to make a subpixel classification , my problem is that i need make 6 class, but i have the doubt , how make the sample for many class ...i have trouble ...please helpmee
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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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