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Explaining ENVI equations?
Needing more explanation?ENVI Vegetation Index CalculatorWhat is meaning of Emissive in ENVI?Loading ENVI file into ArcGIS Desktop?Asking linear regression between NDVI and LST using ENVIatmospheric correction in ENVI 5.1Parameter names and meaning of their values in an ENVI header fileOpen Sentinel-1 products using ENVI 5.3How to spatial subset (clip) TerraSAR-X SSC data (.cos) using vector files and one of the softwares (ENVI, PCI Geomatica, Erdas Imagine, etc)?ENVI band math incorrect valuesOther ideas on flaash?
.everyoneloves__top-leaderboard:empty,.everyoneloves__mid-leaderboard:empty,.everyoneloves__bot-mid-leaderboard:empty margin-bottom:0;
Could you please explain the meaning of this equation:
(b1 le 0) * 0 + (b1 ge 10000) * 1 + (b1 gt 0 et b1 lt 10000) * float (b1) / 10000 b1.
What do ge, gl etc mean?
envi
edited Apr 2 at 20:56
PolyGeo♦
53.9k1781245
asked Apr 2 at 10:29
alexandraalexandra
11
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alexandra is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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Could you please explain the meaning of this equation:
(b1 le 0) * 0 + (b1 ge 10000) * 1 + (b1 gt 0 et b1 lt 10000) * float (b1) / 10000 b1.
What do ge, gl etc mean?
envi
edited Apr 2 at 20:56
PolyGeo♦
53.9k1781245
asked Apr 2 at 10:29
alexandraalexandra
11
New contributor
alexandra is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
add a comment |
Could you please explain the meaning of this equation:
(b1 le 0) * 0 + (b1 ge 10000) * 1 + (b1 gt 0 et b1 lt 10000) * float (b1) / 10000 b1.
What do ge, gl etc mean?
envi
edited Apr 2 at 20:56
PolyGeo♦
53.9k1781245
asked Apr 2 at 10:29
alexandraalexandra
11
New contributor
alexandra is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
Could you please explain the meaning of this equation:
(b1 le 0) * 0 + (b1 ge 10000) * 1 + (b1 gt 0 et b1 lt 10000) * float (b1) / 10000 b1.
What do ge, gl etc mean?
envi
envi
edited Apr 2 at 20:56
PolyGeo♦
53.9k1781245
asked Apr 2 at 10:29
alexandraalexandra
11
New contributor
alexandra is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
edited Apr 2 at 20:56
PolyGeo♦
53.9k1781245
asked Apr 2 at 10:29
alexandraalexandra
11
New contributor
alexandra is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
edited Apr 2 at 20:56
PolyGeo♦
53.9k1781245
edited Apr 2 at 20:56
PolyGeo♦
53.9k1781245
edited Apr 2 at 20:56
PolyGeo♦
53.9k1781245
53.9k1781245
asked Apr 2 at 10:29
alexandraalexandra
11
New contributor
alexandra is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
asked Apr 2 at 10:29
alexandraalexandra
11
asked Apr 2 at 10:29
alexandraalexandra
11
11
New contributor
alexandra is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
New contributor
alexandra is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
alexandra is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
add a comment |
add a comment |
2 Answers
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gemeans "greater or equal" (i.e.>=)gtmeans "greater than" (i.e. strictly greater,>)lemeans "lower or equal" (i.e.<=)ltmeans "lower than" (i.e. strictly lower,<)
et is probably a mistake (French for and).
answered Apr 2 at 10:46
ArMoraerArMoraer
4,69121640
add a comment |
These are relational Operators. See here: https://www.harrisgeospatial.com/docs/Relational_Operators.html
I'm not sure what et stands for, but using these, the equation becomes:
(b1 <= 0) * 0 + (b1 >= 10000) * 1 + (b1 > 0 et b1 < 10000) * float (b1) / 10000 b1.
answered Apr 2 at 10:50
Devdatta TengsheDevdatta Tengshe
31.1k21109214
add a comment |
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2 Answers
2
active
oldest
votes
2 Answers
2
active
oldest
votes
active
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votes
active
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votes
gemeans "greater or equal" (i.e.>=)gtmeans "greater than" (i.e. strictly greater,>)lemeans "lower or equal" (i.e.<=)ltmeans "lower than" (i.e. strictly lower,<)
et is probably a mistake (French for and).
answered Apr 2 at 10:46
ArMoraerArMoraer
4,69121640
add a comment |
gemeans "greater or equal" (i.e.>=)gtmeans "greater than" (i.e. strictly greater,>)lemeans "lower or equal" (i.e.<=)ltmeans "lower than" (i.e. strictly lower,<)
et is probably a mistake (French for and).
answered Apr 2 at 10:46
ArMoraerArMoraer
4,69121640
add a comment |
gemeans "greater or equal" (i.e.>=)gtmeans "greater than" (i.e. strictly greater,>)lemeans "lower or equal" (i.e.<=)ltmeans "lower than" (i.e. strictly lower,<)
et is probably a mistake (French for and).
answered Apr 2 at 10:46
ArMoraerArMoraer
4,69121640
gemeans "greater or equal" (i.e.>=)gtmeans "greater than" (i.e. strictly greater,>)lemeans "lower or equal" (i.e.<=)ltmeans "lower than" (i.e. strictly lower,<)
et is probably a mistake (French for and).
answered Apr 2 at 10:46
ArMoraerArMoraer
4,69121640
edited Apr 2 at 12:01
answered Apr 2 at 10:46
ArMoraerArMoraer
4,69121640
answered Apr 2 at 10:46
ArMoraerArMoraer
4,69121640
answered Apr 2 at 10:46
ArMoraerArMoraer
4,69121640
4,69121640
add a comment |
add a comment |
These are relational Operators. See here: https://www.harrisgeospatial.com/docs/Relational_Operators.html
I'm not sure what et stands for, but using these, the equation becomes:
(b1 <= 0) * 0 + (b1 >= 10000) * 1 + (b1 > 0 et b1 < 10000) * float (b1) / 10000 b1.
answered Apr 2 at 10:50
Devdatta TengsheDevdatta Tengshe
31.1k21109214
add a comment |
These are relational Operators. See here: https://www.harrisgeospatial.com/docs/Relational_Operators.html
I'm not sure what et stands for, but using these, the equation becomes:
(b1 <= 0) * 0 + (b1 >= 10000) * 1 + (b1 > 0 et b1 < 10000) * float (b1) / 10000 b1.
answered Apr 2 at 10:50
Devdatta TengsheDevdatta Tengshe
31.1k21109214
add a comment |
These are relational Operators. See here: https://www.harrisgeospatial.com/docs/Relational_Operators.html
I'm not sure what et stands for, but using these, the equation becomes:
(b1 <= 0) * 0 + (b1 >= 10000) * 1 + (b1 > 0 et b1 < 10000) * float (b1) / 10000 b1.
answered Apr 2 at 10:50
Devdatta TengsheDevdatta Tengshe
31.1k21109214
These are relational Operators. See here: https://www.harrisgeospatial.com/docs/Relational_Operators.html
I'm not sure what et stands for, but using these, the equation becomes:
(b1 <= 0) * 0 + (b1 >= 10000) * 1 + (b1 > 0 et b1 < 10000) * float (b1) / 10000 b1.
answered Apr 2 at 10:50
Devdatta TengsheDevdatta Tengshe
31.1k21109214
answered Apr 2 at 10:50
Devdatta TengsheDevdatta Tengshe
31.1k21109214
answered Apr 2 at 10:50
Devdatta TengsheDevdatta Tengshe
31.1k21109214
answered Apr 2 at 10:50
Devdatta TengsheDevdatta Tengshe
31.1k21109214
31.1k21109214
add a comment |
add a comment |
alexandra is a new contributor. Be nice, and check out our Code of Conduct.
alexandra is a new contributor. Be nice, and check out our Code of Conduct.
alexandra is a new contributor. Be nice, and check out our Code of Conduct.
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