Hello HydroLight users, Marcos Montes and Joe Rhea of the U.S. Naval Research Lab recently noted that the solar azimuthal angle computed by HydroLight when you...
Hello again, In response to a user's question, I have posted a note about the rho values defined in my 1999 Applied Optics paper on the determination of Rrs...
HydroLighteans, A new H user has just asked me if anyone has developed a frontend (in IDL, for example) that would allow him to run H under UNIX without going...
I too would be very interested in trying out an interface on unix. servet ... __________________________________________________ Do You Yahoo!? Tired of spam?...
Greetings, Marcos Montes and Joe Rhea at the Naval Research Lab-DC have put together a nice tech note on selection of output depths when fluorescence or Raman...
Hi everyone, In the next weeks I am going to (try to) compile the main original Hydrolight fortran code under linux/unix. Among people using the version 4.2 of...
Allow me to answer... When you choose the Petzold average particle phase function (named "avgpart.dpf") in the pull-down memu, that phase function is used at ...
Using the same IOP value as input with homogeneous and infinite deep water body assumption, the maximum output depth is set 1m for one run and 5m for another...
Hi. The principal reason is as stated in the HL User's Guide. For your particular example, choosing a maximum depth implies that there are no sources below...
Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the HydroLightUsers group. File :...
HydroLightUsers@yahoo...
Aug 25, 2006 5:11 pm
19
Hi everyone, I've submitted a file at that describes a faster version of the selpfbb subroutine. This subroutine is mostly used when there are measured values...
Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the HydroLightUsers group. File :...
HydroLightUsers@yahoo...
Jan 18, 2007 7:43 pm
21
I have added a HydroLight Technical Note HTN5_Color.pdf discussing the conversion of spectra to CIE (x,y,Y) and RGB values. The current H4.3 version outputs...
If I use the full radiance output setting, the angle I get is below the water or in the air or depends on the which depth I am gettting from? thanks...
The directions in H are defined by the partitioning of all directions into "quads", as shown in Fig 2 of the Users Guide, and as described in section 2.4 of...
So in the full radiance output file, if the radiance is just below the water surface (like say 0), the angle in that radiance table (theda and phi) should be...
Correct. Thus a direction of theta = 45 deg, phi = 90 deg, is the same direction either above or below the surface. The theta,phi coordinate system does not...
Hi everybody, I would like to use the spectral downwelling irradiance measurements we performed above water surface instead of the Radtran sky model. With the...
Servet (and all), Even though the input file for your two runs look the same, the aren't the same run. The reason is that when you select RADTRAN, it ...
Servet and everyone, In Hydrolight (HL), not everything is controlled by the input file. Some parameters are specified in the input file. Some are specified in...
Folks, Marcos is correct that modifying runs outside of the UI is a task that requires a lot of courage and should not be done cavalierly. I also wanted to add...
I understand it much better now, especially after Marcos' comments. Thanks Marcos, thanks Lydia. One more question: Looking at my newly compiled incfiles.for,...
Servet, Ah, good, you found incfiles.for. When I wrote the email, I had forgotten the incfiles.for is the actual one that gets compiled. There is also a copy...
I understand it much better now, especially after Marcos' comments. Thanks Marcos, thanks Lydia. One more question: Looking at my newly compiled incfiles.for,...
Servet, ... Note that the above steps do not perform a compilation. They merely consist of editing files. Really, I need to add a few steps: First, you should...
Hi Marcos, Thanks a lot for your precious comments. I'll try to write a fortran routine that will read the diffuse spectral irradiance along with Edtot. best ...
It really looks like the most important information is Eddif and eddir if you look at what the skyirrad subroutine returns. Since those are the only things...
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