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generating id sequentially
By jack_stepeny,
I have to generate unique Id sequentially for each parcel in a grid in ArcGIS. In each grid numbering will start from upper left corner to right corner then again numbering will start from left just like we type next line in microsoft word.
Any help will be appreciated.
Erdas Desktop 11.02 Knowledge Engineer
By deepgis,
I need help from all of you. I am using erdas 2011. I use knowledge engineer for my classification. When I open a new rule in hypothesis, in the value column the "other" option in not working. Hence I am unable to insert desired numeric value in it. Please give me the medicine of it.
Feature to polygon
By fizhyova,
I have spatial data with geographic coordinate system, at the time of use "feature to polygon" the result of the geometric tools no longer compatible with the original data is more rugged but when using the UTM coordinate system is the result of "feature to polygon" is still the same as the original geometric. Why is that so?
Request: Spatial Statistics Software, Name some for me
By yousef2233,
Hello Friends,
Would you please name some packages and softs which could calculate spatial statistics and relationships among features. It's good to have one powerful software beside spatial statistics of Arcgis.
thank you so much.
Regards :wink:
Request: Spatial Cross Correlation
By yousef2233,
Hello Friends.
Anyone knows how to calculate: Spatial Cross-Correlation or Multivariate Auto-correlation ? One thing I found is Geoda, but I checked it with some data of my own; the results are not correct I think !!
Regards,
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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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