Grasshopper

algorithmic modeling for Rhino

Sarith Subramaniam
  • Male
  • State College, PA
  • United States
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Sarith Subramaniam's Discussions

How can one join a rectangle and a line with Python ?
1 Reply

Hi, I am creating a line and a rectangle separately and then trying to join them with JoinCurves:LumHorz = rs.AddLine((0,0,0),(length*2,0,0)) LumPoly = rs.AddRectangle((0,0,0),length,width) LumPoly =…Continue

Started this discussion. Last reply by Mostapha Sadeghipour Roudsari Dec 11, 2015.

 

Sarith Subramaniam's Page

Latest Activity

Sarith Subramaniam replied to Ernst Bay's discussion Light Exposure - Lux Hours in the group Ladybug Tools
"Hi Ernst, Daysim isn't very accurate for direct illuminance analysis because the position of the sun is approximated to one of 65 locations for the entire year. The DDS version of Daysim is more accurate but that is not implemented in…"
9 hours ago
Sarith Subramaniam replied to Ernst Bay's discussion Light Exposure - Lux Hours in the group Ladybug Tools
"If this for an actual project and not just a thought experiment, I think your solution might be overly simplistic. Both CIE 157:2004 and LG8:2015 (which appears to defer to CIE 157:2004) mention limiting illuminance and limiting exposure…"
yesterday
Sarith Subramaniam replied to LUIS ARTURO REYES VALENCIA's discussion Weird annual daylight results. in the group Ladybug Tools
"You are using the 100-2000 Lux range within UDI to compare the performance of your building. As you start increasing visible transmittance of your glass, more number of points will be above the 2000 lux mark, thus decreasing the values within the…"
Sunday
Sarith Subramaniam replied to Dennis Goff's discussion Honeybee Daylight Analysis returning No radiation in the group Ladybug Tools
"As per your weather-data, the direct-normal radiation for almost all the hours on the 22nd is zero. This implies that sun is occluded by the clouds."
May 18
Sarith Subramaniam replied to Ahmad Eltaweel's discussion Inquiry about Honeybee transparent material. in the group Ladybug Tools
"Hi Ahmad, To add to what Chris mentioned, the spectral dispersion that we see with prisms require a full-spectrum continuous-band light source like daylight or light from an incandescent source. The x-axis in the image below are…"
May 17
Sarith Subramaniam replied to Max Tillberg's discussion Peak irradiance (solar radiation) in the group Ladybug Tools
"I don't know if this is currently possible with HB or not, but if you don't mind roughing it out on the commandline, it is totally doable with Radiance. Use Gendaylit with the -02 option to create a climate based sky, and then use that sky…"
May 9
Sarith Subramaniam replied to Michael Donn's discussion Radiance definitions using 'alias' and 'inherit' in the group Ladybug Tools
"Hi Michael, This issue is related to parsing Radiance materials from strings. Inside the Honeybee source-code, parsing of Radiance materials from strings is done by the functions called createRadMaterialFromString and analyseRadMaterials.…"
May 3
Sarith Subramaniam replied to Octagon26's discussion Can i get RADIANCE R,G,B results from a Honeybee_Annual Daylight Simulation? in the group Ladybug Tools
"Hi Theodore, Yes, it is possible in HB[+]. We take the three channel (RGB) irradiance results and convert it into illuminance (example) as per the Photopic curve. So, if we were to not combine the results, we'll end up with RGB…"
May 3
Sarith Subramaniam replied to Octagon26's discussion Can i get RADIANCE R,G,B results from a Honeybee_Annual Daylight Simulation? in the group Ladybug Tools
"Honeybee uses Daysim for annual simulations. Spectral information isn't considered in Daysim-based simulations: http://daysim.ning.com/subprogram/radfiles2daysim . You can derive RGB values by running simulations with Radiance directly. The sky…"
May 2
Sarith Subramaniam replied to Camila Leone's discussion Simulation Error in the group Ladybug Tools
"Okay, in that case the problem is that your model for the louvers is too geometrically complex for it be run with standard Honeybee settings. While it is possible to run this model in Unix using higher settings for octrees and then rtrace, it is…"
Apr 25
Sarith Subramaniam replied to Camila Leone's discussion Simulation Error in the group Ladybug Tools
"Hi Camila, are the louvers that you are referring to the the vertical (highlighted) objects in the image below?"
Apr 24
Sarith Subramaniam replied to Camila Leone's discussion Simulation Error in the group Ladybug Tools
"The error could be due to a path issue or (more likely) due to the complexity of the geometry in your model. I was able to make it work by changing "Parede" to a mesh instead of Brep and then using MSH2RAD. See…"
Apr 23
Sarith Subramaniam replied to Gabriella Rossi's discussion Differential Material RayTracing in the group Ladybug Tools
"What is the end goal here? The way rays will behave after hitting an object is essentially a function of surface properties of the materials and the spectral composition of the source radiation. As Mostapha mentioned, Ladybug raytracing is based on…"
Apr 21
Sarith Subramaniam replied to Angelo Figliola's discussion Retroreflecting materials to evaluate the effects on Urban Heat Island in the group Ladybug Tools
"I can't talk about the EnergyPlus side of things, but as far as radiation studies with Radiance are concerned, retroreflection isn't supported at present. Just out of curiosity, are you planning on using these materials to direct radiation…"
Apr 15
Sarith Subramaniam replied to James Lacy-Smith's discussion Issues with Material Colours and reflectances with New honeybee in the group Ladybug Tools
"It's working for me."
Apr 15
Sarith Subramaniam replied to Grasshope's discussion can cumulative sky matrix be stored in a data component? in the group Ladybug Tools
"Hi Ji, The component that creates the cumulative sky returns a Python Class. And the component that receives the cumulative sky needs that Python class as input. I don't think native python components can be internalized and retrieved inside…"
Apr 4

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Penn State
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http://www.linkedin.com/in/sariths

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