. This means that we know both point's Y values, and the relation of one X value to the other. What we are missing is where the apex point's X value is. If we add to both points a "fudge factor, Xo" allowing for the apex point's X value to be variable, we get 2 simultaneous eqns with 2 unknowns, Xo and A, which is the catenary function coefficient. [this is important so that we don't unintentionally preset the catenary coefficient]
so..
Y1 = A cosh ((X1-Xo)/A) - A
Y2 = A cosh ((X2-Xo)/A) - A
This is solvable, but because cosh (x) = (e^x + e^-x) / 2, we can't separate one of the unknown variables or use one of the other easy techniques. I used Matlab's fsolve function, but obviously while it is very doable to hitch up Matlab to Grasshopper, having this functionality in your script would be ideal.
These are just my meandering thoughts, I'm sure someone on the internet that is better at maths than me has an explicit solution worked out.
Here is what I wrote in Matlab:
iA=1;
iXo=1;
X1=4;
Y1=10;
X2=-3;
Y2=7;
F = @(V) [V(2)*cosh((X1-V(1))/V(2))-V(2)-Y1;V(2)*cosh((X2-V(1))/V(2))-V(2)-Y2];
InitialGuess = [iXo;iA];
Options = optimset('Display','iter');
XY = fsolve(F, InitialGuess, Options);
*Matlab code taken/edited from help file on solving nonlinear simultaneous eqns: http://www.mathworks.com/support/solutions/en/data/1-15NRJ/index.html…
rves that "intersect" a plane placed on Z=6 above the first circle. I did this to have a collection of points from which to choose 3 and make a 3pt-circle.
[this second circle "fits" the catenary at a certain height, that's what I wanted to do]
Maybe it's obtuse but anyway that's the way I managed it.. I then used the "intersection" of the top circle with the original catenary curve to "split" the catenary into 2 parts, I then "Rail Revolution" the first part of it around the axis of the original circle, using the circle as a "rail", and I get a Brep surface.
It is a "open brep" surface, so now i'm having the problem of managing it if I want to subdivide it with Isotrim or other commands to control the number of subdivisions.
Is there a better way to go about this?
I am attaching the file.
About the image, I checked my code about 10 times to understand why it has those "lines" every 1 meter in the Z, and they already appear in the "rail revolution" component when it is visible, but in the "brep components" I can see the individual points along the rail curve.
I think this is what might be causing the brep to surface problem, but for the life of me I can't understand why the rail is not smooth and is "divided" into the 7 points instead of just one smooth revolution...
Thanks! :)
…
I said to myself : post (again) something in the errors/bugs category. But then I said (also to myself) : why ? everybody knows that ... post something fun(?) in the examples that can(?) guide(??) people out of the rabbit hole.
And here we are : 4 test surfaces, 4 paneling methods, 2 profile "classes", 2 orientation options, 3 methods to skin a cat, 2 methods to find intact panels (in "any" surface - trimmed or not with or without holes), 2 presentation alternatives, 7 gates, 2 filters, 1 Branch controller(?), 1 secret component (related with sardines) = let me make the maths : about 123,45 Loft examples (a bit primitive to indicate the main issue).
NOTE: GH quite frequently (a) fails to internalize data (b) internalizes them and reports the data as "null". Use Rhino file if this is your lucky day.
NOTE: Lunchbox is required
NOTE: Proper Named Views were defined ... but then components are moved ... blah blah: make your own.
best, Peter
…
1 JUN to 31 DECBetween hours 1:00 to 24:00Current document units is in MetersConversion to Meters will be applied = 1.000[1 of 7] Writing simulation parameters...Ground temperature data contains monthly average temperatures at 3 different depths .5 meters (1st)2 meters (2nd)4meters (3rd)respectively[2 of 6] No context surfaces...[3 of 6] Writing geometry...[4 of 6] Writing materials and constructions...[5 of 7] Writing schedules...[6 of 7] Writing loads and ideal air system...[7 of 7] Writing outputs......... idf file is successfully written to : c:\ladybug\unnamed\EnergyPlus\unnamed.idf
Analysis is running!...c:\ladybug\unnamed\EnergyPlus\eplusout.csv......
Done! Read below for errors and warnings:
Program Version,EnergyPlus, Version 8.3.0-6d97d074ea, YMD=2015.05.24 11:32,IDD_Version 8.3.0
** Warning ** IP: Note -- Some missing fields have been filled with defaults. See the audit output file for details.
** Warning ** Version: in IDF="'8.1.0'" not the same as expected="8.3"
************* Beginning Zone Sizing Calculations
** Severe ** GetSurfaceData: Some Outward Facing angles of subsurfaces differ significantly from base surface.
** ~~~ ** ...use Output:Diagnostics,DisplayExtraWarnings; to show more details on individual surfaces.
** Severe ** Problem in interior solar distribution calculation (CHKBKS)
** ~~~ ** Solar Distribution = FullInteriorExterior will not work in Zone="APRATMENT1"
** ~~~ ** because vertex 1 of back surface=AW0 is in front of receiving surface=EW0
** ~~~ ** (Dot Product indicator=17.0963)
** ~~~ ** Check surface geometry; if OK, use Solar Distribution = FullExterior instead.
** Severe ** Problem in interior solar distribution calculation (CHKBKS)
** ~~~ ** Solar Distribution = FullInteriorExterior will not work in Zone="APRATMENT1"
** ~~~ ** because vertex 2 of back surface=AW0 is in front of receiving surface=EW0
** ~~~ ** (Dot Product indicator=17.0963)
** ~~~ ** Check surface geometry; if OK, use Solar Distribution = FullExterior instead.
** Severe ** Problem in interior solar distribution calculation (CHKBKS)
** ~~~ ** Solar Distribution = FullInteriorExterior will not work in Zone="APRATMENT1"
** ~~~ ** because vertex 3 of back surface=AW0 is in front of receiving surface=EW0
** ~~~ ** (Dot Product indicator=17.1101)
** ~~~ ** Check surface geometry; if OK, use Solar Distribution = FullExterior instead.
** Severe ** Problem in interior solar distribution calculation (CHKBKS)
** ~~~ ** Solar Distribution = FullInteriorExterior will not work in Zone="APRATMENT1"
** ~~~ ** because vertex 4 of back surface=AW0 is in front of receiving surface=EW0
** ~~~ ** (Dot Product indicator=17.1101)
** ~~~ ** Check surface geometry; if OK, use Solar Distribution = FullExterior instead.
** Severe ** Problem in interior solar distribution calculation (CHKBKS)
** ~~~ ** Solar Distribution = FullInteriorExterior will not work in Zone="APRATMENT1"
** ~~~ ** because vertex 1 of back surface=AW1 is in front of receiving surface=EW0
** ~~~ ** (Dot Product indicator=17.1101)
** ~~~ ** Check surface geometry; if OK, use Solar Distribution = FullExterior instead.
** Severe ** Problem in interior solar distribution calculation (CHKBKS)
** ~~~ ** Solar Distribution = FullInteriorExterior will not work in Zone="APRATMENT1"
** ~~~ ** because vertex 2 of back surface=AW1 is in front of receiving surface=EW0
** ~~~ ** (Dot Product indicator=30.0900)
** ~~~ ** Check surface geometry; if OK, use Solar Distribution = FullExterior instead.
** Severe ** Problem in interior solar distribution calculation (CHKBKS)
** ~~~ ** Solar Distribution = FullInteriorExterior will not work in Zone="APRATMENT1"
** ~~~ ** because vertex 3 of back surface=AW1 is in front of receiving surface=EW0
** ~~~ ** (Dot Product indicator=30.0900)
** ~~~ ** Check surface geometry; if OK, use Solar Distribution = FullExterior instead.
** Severe ** Problem in interior solar distribution calculation (CHKBKS)
** ~~~ ** Solar Distribution = FullInteriorExterior will not work in Zone="APRATMENT1"
** ~~~ ** because vertex 4 of back surface=AW1 is in front of receiving surface=EW0
** ~~~ ** (Dot Product indicator=17.1101)
** ~~~ ** Check surface geometry; if OK, use Solar Distribution = FullExterior instead.
** Severe ** Problem in interior solar distribution calculation (CHKBKS)
** ~~~ ** Solar Distribution = FullInteriorExterior will not work in Zone="APRATMENT1"
** ~~~ ** because vertex 1 of back surface=AW2 is in front of receiving surface=EW0
** ~~~ ** (Dot Product indicator=30.0900)
** ~~~ ** Check surface geometry; if OK, use Solar Distribution = FullExterior instead.
** Severe ** Problem in interior solar distribution calculation (CHKBKS)
** ~~~ ** Solar Distribution = FullInteriorExterior will not work in Zone="APRATMENT1"
** ~~~ ** because vertex 2 of back surface=AW2 is in front of receiving surface=EW0
** ~~~ ** (Dot Product indicator=30.0900)
** ~~~ ** Check surface geometry; if OK, use Solar Distribution = FullExterior instead.
** Severe ** Problem in interior solar distribution calculation (CHKBKS)
** ~~~ ** Solar Distribution = FullInteriorExterior will not work in Zone="APRATMENT1"
** ~~~ ** because vertex 3 of back surface=AW2 is in front of receiving surface=EW0
** ~~~ ** (Dot Product indicator=30.0900)
** ~~~ ** Check surface geometry; if OK, use Solar Distribution = FullExterior instead.
** Severe ** Problem in interior solar distribution calculation (CHKBKS)
** ~~~ ** Solar Distribution = FullInteriorExterior will not work in Zone="APRATMENT1"
** ~~~ ** because vertex 4 of back surface=AW2 is in front of receiving surface=EW0
** ~~~ ** (Dot Product indicator=30.0900)
** ~~~ ** Check surface geometry; if OK, use Solar Distribution = FullExterior instead.
** Severe ** Problem in interior solar distribution calculation (CHKBKS)
** ~~~ ** Solar Distribution = FullInteriorExterior will not work in Zone="APRATMENT1"
** ~~~ ** because vertex 1 of back surface=AW3 is in front of receiving surface=EW0
** ~~~ ** (Dot Product indicator=30.0900)
** ~~~ ** Check surface geometry; if OK, use Solar Distribution = FullExterior instead.
** Severe ** Problem in interior solar distribution calculation (CHKBKS)
** ~~~ ** Solar Distribution = FullInteriorExterior will not work in Zone="APRATMENT1"
** ~~~ ** because vertex 2 of back surface=AW3 is in front of receiving surface=EW0
** ~~~ ** (Dot Product indicator=30.0900)
** ~~~ ** Check surface geometry; if OK, use Solar Distribution = FullExterior instead.
** Severe ** Problem in interior solar distribution calculation (CHKBKS)
** ~~~ ** Solar Distribution = FullInteriorExterior will not work in Zone="APRATMENT1"
** ~~~ ** because vertex 3 of back surface=EW1 is in front of receiving surface=EW0
** ~~~ ** (Dot Product indicator=17.0963)
** ~~~ ** Check surface geometry; if OK, use Solar Distribution = FullExterior instead.
** Severe ** Problem in interior solar distribution calculation (CHKBKS)
** ~~~ ** Solar Distribution = FullInteriorExterior will not work in Zone="APRATMENT1"
** ~~~ ** because vertex 4 of back surface=EW1 is in front of receiving surface=EW0
** ~~~ ** (Dot Product indicator=17.0963)
** ~~~ ** Check surface geometry; if OK, use Solar Distribution = FullExterior instead.
** Severe ** Problem in interior solar distribution calculation (CHKBKS)
** ~~~ ** Solar Distribution = FullInteriorExterior will not work in Zone="APRATMENT1"
** ~~~ ** because vertex 1 of back surface=GLZ_0_EW1_1F6383543B434F648813 is in front of receiving surface=EW0
** ~~~ ** (Dot Product indicator=0.9038)
** ~~~ ** Check surface geometry; if OK, use Solar Distribution = FullExterior instead.
** Severe ** Problem in interior solar distribution calculation (CHKBKS)
** ~~~ ** Solar Distribution = FullInteriorExterior will not work in Zone="APRATMENT1"
** ~~~ ** because vertex 2 of back surface=GLZ_0_EW1_1F6383543B434F648813 is in front of receiving surface=EW0
** ~~~ ** (Dot Product indicator=0.9038)
** ~~~ ** Check surface geometry; if OK, use Solar Distribution = FullExterior instead.
** Severe ** Problem in interior solar distribution calculation (CHKBKS)
** ~~~ ** Solar Distribution = FullInteriorExterior will not work in Zone="APRATMENT1"
** ~~~ ** because vertex 3 of back surface=GLZ_0_EW1_1F6383543B434F648813 is in front of receiving surface=EW0
** ~~~ ** (Dot Product indicator=16.0967)
** ~~~ ** Check surface geometry; if OK, use Solar Distribution = FullExterior instead.
** Severe ** Problem in interior solar distribution calculation (CHKBKS)
** ~~~ ** Solar Distribution = FullInteriorExterior will not work in Zone="APRATMENT1"
** ~~~ ** because vertex 4 of back surface=GLZ_0_EW1_1F6383543B434F648813 is in front of receiving surface=EW0
** ~~~ ** (Dot Product indicator=16.0967)
** ~~~ ** Check surface geometry; if OK, use Solar Distribution = FullExterior instead.
** Severe ** Problem in interior solar distribution calculation (CHKBKS)
** ~~~ ** Solar Distribution = FullInteriorExterior will not work in Zone="APRATMENT1"
** ~~~ ** because vertex 6 of back surface=FLOOR is in front of receiving surface=EW0
** ~~~ ** (Dot Product indicator=30.0900)
** ~~~ ** Check surface geometry; if OK, use Solar Distribution = FullExterior instead.
** Severe ** Problem in interior solar distribution calculation (CHKBKS)
** ~~~ ** Solar Distribution = FullInteriorExterior will not work in Zone="APRATMENT1"
** ~~~ ** because vertex 7 of back surface=FLOOR is in front of receiving surface=EW0
** ~~~ ** (Dot Product indicator=30.0900)
** ~~~ ** Check surface geometry; if OK, use Solar Distribution = FullExterior instead.
** Severe ** Problem in interior solar distribution calculation (CHKBKS)
** ~~~ ** Solar Distribution = FullInteriorExterior will not work in Zone="APRATMENT1"
** ~~~ ** because vertex 8 of back surface=FLOOR is in front of receiving surface=EW0
** ~~~ ** (Dot Product indicator=17.1101)
** ~~~ ** Check surface geometry; if OK, use Solar Distribution = FullExterior instead.
** Severe ** Problem in interior solar distribution calculation (CHKBKS)
** ~~~ ** Solar Distribution = FullInteriorExterior will not work in Zone="APRATMENT1"
** ~~~ ** because vertex 9 of back surface=FLOOR is in front of receiving surface=EW0
** ~~~ ** (Dot Product indicator=17.0963)
** ~~~ ** Check surface geometry; if OK, use Solar Distribution = FullExterior instead.
** Severe ** Problem in interior solar distribution calculation (CHKBKS)
** ~~~ ** Solar Distribution = FullInteriorExterior will not work in Zone="APRATMENT1"
** ~~~ ** because vertex 5 of back surface=CIELING is in front of receiving surface=EW0
** ~~~ ** (Dot Product indicator=17.0963)
** ~~~ ** Check surface geometry; if OK, use Solar Distribution = FullExterior instead.
** Severe ** Problem in interior solar distribution calculation (CHKBKS)
** ~~~ ** Solar Distribution = FullInteriorExterior will not work in Zone="APRATMENT1"
** ~~~ ** because vertex 6 of back surface=CIELING is in front of receiving surface=EW0
** ~~~ ** (Dot Product indicator=17.1101)
** ~~~ ** Check surface geometry; if OK, use Solar Distribution = FullExterior instead.
** Severe ** Problem in interior solar distribution calculation (CHKBKS)
** ~~~ ** Solar Distribution = FullInteriorExterior will not work in Zone="APRATMENT1"
** ~~~ ** because vertex 7 of back surface=CIELING is in front of receiving surface=EW0
** ~~~ ** (Dot Product indicator=30.0900)
** ~~~ ** Check surface geometry; if OK, use Solar Distribution = FullExterior instead.
** Severe ** Problem in interior solar distribution calculation (CHKBKS)
** ~~~ ** Solar Distribution = FullInteriorExterior will not work in Zone="APRATMENT1"
** ~~~ ** because vertex 8 of back surface=CIELING is in front of receiving surface=EW0
** ~~~ ** (Dot Product indicator=30.0900)
** ~~~ ** Check surface geometry; if OK, use Solar Distribution = FullExterior instead.
** Severe ** Problem in interior solar distribution calculation (CHKBKS)
** ~~~ ** Solar Distribution = FullInteriorExterior will not work in Zone="APRATMENT1"
** ~~~ ** because vertex 3 of back surface=AW6 is in front of receiving surface=EW1
** ~~~ ** (Dot Product indicator=17.0963)
** ~~~ ** Check surface geometry; if OK, use Solar Distribution = FullExterior instead.
** Severe ** Problem in interior solar distribution calculation (CHKBKS)
** ~~~ ** Solar Distribution = FullInteriorExterior will not work in Zone="APRATMENT1"
** ~~~ ** because vertex 4 of back surface=AW6 is in front of receiving surface=EW1
** ~~~ ** (Dot Product indicator=17.0963)
** ~~~ ** Check surface geometry; if OK, use Solar Distribution = FullExterior instead.
** Severe ** Problem in interior solar distribution calculation (CHKBKS)
** ~~~ ** Solar Distribution = FullInteriorExterior will not work in Zone="APRATMENT1"
** ~~~ ** because vertex 1 of back surface=WALLW1 is in front of receiving surface=EW1
** ~~~ ** (Dot Product indicator=17.0963)
** ~~~ ** Check surface geometry; if OK, use Solar Distribution = FullExterior instead.
** Severe ** Problem in interior solar distribution calculation (CHKBKS)
** ~~~ ** Solar Distribution = FullInteriorExterior will not work in Zone="APRATMENT1"
** ~~~ ** because vertex 2 of back surface=WALLW1 is in front of receiving surface=EW1
** ~~~ ** (Dot Product indicator=17.0963)
** ~~~ ** Check surface geometry; if OK, use Solar Distribution = FullExterior instead.
** Severe ** Problem in interior solar distribution calculation (CHKBKS)
** ~~~ ** Solar Distribution = FullInteriorExterior will not work in Zone="APRATMENT1"
** ~~~ ** because vertex 3 of back surface=WALLW1 is in front of receiving surface=EW1
** ~~~ ** (Dot Product indicator=17.0963)
** ~~~ ** Check surface geometry; if OK, use Solar Distribution = FullExterior instead.
** Severe ** Problem in interior solar distribution calculation (CHKBKS)
** ~~~ ** Solar Distribution = FullInteriorExterior will not work in Zone="APRATMENT1"
** ~~~ ** because vertex 4 of back surface=WALLW1 is in front of receiving surface=EW1
** ~~~ ** (Dot Product indicator=17.0963)
** ~~~ ** Check surface geometry; if OK, use Solar Distribution = FullExterior instead.
** Severe ** Problem in interior solar distribution calculation (CHKBKS)
** ~~~ ** Solar Distribution = FullInteriorExterior will not work in Zone="APRATMENT1"
** ~~~ ** because vertex 1 of back surface=GLZ_0_WALLW1_103854D39BEF453D8A4E is in front of receiving surface=EW1
** ~~~ ** (Dot Product indicator=17.0963)
** ~~~ ** Check surface geometry; if OK, use Solar Distribution = FullExterior instead.
** Severe ** Problem in interior solar distribution calculation (CHKBKS)
** ~~~ ** Solar Distribution = FullInteriorExterior will not work in Zone="APRATMENT1"
** ~~~ ** because vertex 2 of back surface=GLZ_0_WALLW1_103854D39BEF453D8A4E is in front of receiving surface=EW1
** ~~~ ** (Dot Product indicator=17.0963)
** ~~~ ** Check surface geometry; if OK, use Solar Distribution = FullExterior instead.
** Severe ** Problem in interior solar distribution calculation (CHKBKS)
** ~~~ ** Solar Distribution = FullInteriorExterior will not work in Zone="APRATMENT1"
** ~~~ ** because vertex 3 of back surface=GLZ_0_WALLW1_103854D39BEF453D8A4E is in front of receiving surface=EW1
** ~~~ ** (Dot Product indicator=17.0963)
** ~~~ ** Check surface geometry; if OK, use Solar Distribution = FullExterior instead.
** Severe ** Problem in interior solar distribution calculation (CHKBKS)
** ~~~ ** Solar Distribution = FullInteriorExterior will not work in Zone="APRATMENT1"
** ~~~ ** because vertex 4 of back surface=GLZ_0_WALLW1_103854D39BEF453D8A4E is in front of receiving surface=EW1
** ~~~ ** (Dot Product indicator=17.0963)
** ~~~ ** Check surface geometry; if OK, use Solar Distribution = FullExterior instead.
** Severe ** Problem in interior solar distribution calculation (CHKBKS)
** ~~~ ** Solar Distribution = FullInteriorExterior will not work in Zone="APRATMENT1"
** ~~~ ** because vertex 1 of back surface=EW0 is in front of receiving surface=EW1
** ~~~ ** (Dot Product indicator=17.0963)
** ~~~ ** Check surface geometry; if OK, use Solar Distribution = FullExterior instead.
** Severe ** Problem in interior solar distribution calculation (CHKBKS)
** ~~~ ** Solar Distribution = FullInteriorExterior will not work in Zone="APRATMENT1"
** ~~~ ** because vertex 4 of back surface=EW0 is in front of receiving surface=EW1
** ~~~ ** (Dot Product indicator=17.0963)
** ~~~ ** Check surface geometry; if OK, use Solar Distribution = FullExterior instead.
** Severe ** Problem in interior solar distribution calculation (CHKBKS)
** ~~~ ** Solar Distribution = FullInteriorExterior will not work in Zone="APRATMENT1"
** ~~~ ** because vertex 1 of back surface=GLZ_0_EW0_6AEDE94222384E5B8950 is in front of receiving surface=EW1
** ~~~ ** (Dot Product indicator=1.4709)
** ~~~ ** Check surface geometry; if OK, use Solar Distribution = FullExterior instead.
** Severe ** Problem in interior solar distribution calculation (CHKBKS)
** ~~~ ** Solar Distribution = FullInteriorExterior will not work in Zone="APRATMENT1"
** ~~~ ** because vertex 2 of back surface=GLZ_0_EW0_6AEDE94222384E5B8950 is in front of receiving surface=EW1
** ~~~ ** (Dot Product indicator=1.4709)
** ~~~ ** Check surface geometry; if OK, use Solar Distribution = FullExterior instead.
** Severe ** Problem in interior solar distribution calculation (CHKBKS)
** ~~~ ** Solar Distribution = FullInteriorExterior will not work in Zone="APRATMENT1"
** ~~~ ** because vertex 3 of back surface=GLZ_0_EW0_6AEDE94222384E5B8950 is in front of receiving surface=EW1
** ~~~ ** (Dot Product indicator=15.6696)
** ~~~ ** Check surface geometry; if OK, use Solar Distribution = FullExterior instead.
** Severe ** Problem in interior solar distribution calculation (CHKBKS)
** ~~~ ** Solar Distribution = FullInteriorExterior will not work in Zone="APRATMENT1"
** ~~~ ** because vertex 4 of back surface=GLZ_0_EW0_6AEDE94222384E5B8950 is in front of receiving surface=EW1
** ~~~ ** (Dot Product indicator=15.6696)
** ~~~ ** Check surface geometry; if OK, use Solar Distribution = FullExterior instead.
** Severe ** Problem in interior solar distribution calculation (CHKBKS)
** ~~~ ** Solar Distribution = FullInteriorExterior will not work in Zone="APRATMENT1"
** ~~~ ** because vertex 1 of back surface=FLOOR is in front of receiving surface=EW1
** ~~~ ** (Dot Product indicator=17.0963)
** ~~~ ** Check surface geometry; if OK, use Solar Distribution = FullExterior instead.
** Severe ** Problem in interior solar distribution calculation (CHKBKS)
** ~~~ ** Solar Distribution = FullInteriorExterior will not work in Zone="APRATMENT1"
** ~~~ ** because vertex 2 of back surface=FLOOR is in front of receiving surface=EW1
** ~~~ ** (Dot Product indicator=17.0963)
** ~~~ ** Check surface geometry; if OK, use Solar Distribution = FullExterior instead.
** Severe ** Problem in interior solar distribution calculation (CHKBKS)
** ~~~ ** Solar Distribution = FullInteriorExterior will not work in Zone="APRATMENT1"
** ~~~ ** because vertex 2 of back surface=CIELING is in front of receiving surface=EW1
** ~~~ ** (Dot Product indicator=17.0963)
** ~~~ ** Check surface geometry; if OK, use Solar Distribution = FullExterior instead.
** Severe ** Problem in interior solar distribution calculation (CHKBKS)
** ~~~ ** Solar Distribution = FullInteriorExterior will not work in Zone="APRATMENT1"
** ~~~ ** because vertex 3 of back surface=CIELING is in front of receiving surface=EW1
** ~~~ ** (Dot Product indicator=17.0963)
** ~~~ ** Check surface geometry; if OK, use Solar Distribution = FullExterior instead.
** Warning ** ManageSizing: For a plant sizing run, there must be at least 1 Sizing:Plant object input. SimulationControl Plant Sizing option ignored.
************* Testing Individual Branch Integrity
************* All Branches passed integrity testing
************* Testing Individual Supply Air Path Integrity
************* All Supply Air Paths passed integrity testing
************* Testing Individual Return Air Path Integrity
************* All Return Air Paths passed integrity testing
************* No node connection errors were found.
************* Beginning Simulation
************* Simulation Error Summary *************
** Warning ** The following Report Variables were requested but not generated
** ~~~ ** because IDF did not contain these elements or misspelled variable name -- check .rdd file
************* Key=*, VarName=ZONE PACKAGED TERMINAL HEAT PUMP TOTAL COOLING ENERGY, Frequency=Hourly
************* Key=*, VarName=ZONE PACKAGED TERMINAL HEAT PUMP TOTAL HEATING ENERGY, Frequency=Hourly
************* Key=*, VarName=CHILLER ELECTRIC ENERGY, Frequency=Hourly
************* Key=*, VarName=BOILER HEATING ENERGY, Frequency=Hourly
************* Key=*, VarName=FAN ELECTRIC ENERGY, Frequency=Hourly
************* Key=*, VarName=ZONE VENTILATION FAN ELECTRIC ENERGY, Frequency=Hourly
************* Key=*, VarName=ZONE VENTILATION TOTAL HEAT LOSS ENERGY, Frequency=Hourly
************* Key=*, VarName=ZONE VENTILATION TOTAL HEAT GAIN ENERGY, Frequency=Hourly
************* There are 1 unused schedules in input.
************* There are 1 unused week schedules in input.
************* There are 3 unused day schedules in input.
************* Use Output:Diagnostics,DisplayUnusedSchedules; to see them.
************* EnergyPlus Warmup Error Summary. During Warmup: 0 Warning; 0 Severe Errors.
************* EnergyPlus Sizing Error Summary. During Sizing: 1 Warning; 49 Severe Errors.
************* EnergyPlus Completed Successfully-- 4 Warning; 49 Severe Errors; Elapsed Time=00hr 00min 4.59sec
Thanks Abraham.I really appreciate it.
Another thing ' I posted a discussion few days ago and got no replies.And this forum is the only 'Hope' for me..Can you quickly check it?thanks.
N
http://www.grasshopper3d.com/group/ladybug/forum/topics/free-form-external-wall-with-glazing-workflow?xg_source=activity
…
on the division points (see rhino screenshot below, left side is what I'm describing. there is also a note in the screenshot of the GH file)
Unfortunately it doesn't work for multiple cell inputs.
I've also tried flattening the points into one big list and re-creating the polylines with sublists but with no luck. The points are not ordered the way it would need to be to use sublists from domains created by 2 series of numbers. So this is problematic becuase each cell has a different number of vertices. That method would work if I can create unevenly spaced intervals that match the number of vertices on a given input, but I'm not sure how to do that.
Like would it be possible to create a series of numbers whos step size varies with each step? e.g. series that starts at 0, steps up in size 5, then 7, then 11, etc. ant there are x amount of values in the series?
Any ideas how to get this working? Either with this definition or a different method?
Thanks,
Brian…
Added by Brian Harms at 5:40pm on October 15, 2011
eration!
See an example work flow for designing, simulating and analysing a Photovoltaic system below.
Download a Grasshopper and Rhino example file:
https://www.dropbox.com/s/krbszlplj5i40dz/017_HBgeneration%20Rhino%20model.3dm?dl=0
https://www.dropbox.com/s/lxneuzal3mipd2q/017_HBgeneration.gh?dl=0
See a quick introduction and tutorial videos here: https://www.youtube.com/playlist?list=PLrx2KnyhaJ5YXo5hpk8Q9q4Vy99O5IegK
1. Select a building to mount a photovoltaic generator on (seen in Rhino in green).
2. Select a surface within that building to mount a photovoltaic generator on (seen in Rhino in green).
3. Create a Honeybee context surface from that surface.
4. Place a photovoltaic generator on that Honeybee context surface by using the Honeybee generation component. Honeybee_Generator_PV and connecting the context surface to it's input _HBSurfaces. Then you can specify both the performance and the financial data of the photovoltaic generator.
5. Create a Honeybee generation system which consists of the photovoltaic generator in 4. By using the component Honeybee_generationsystem and connecting 4 to its input PVHBSurfaces_. Then you can specify the annual maintenance cost of this system.
6. Run the simulation in Energy Plus by connecting 5. to the input HBGenerators_.
7. Read the results of the simulation:
- The electricity produced by the Honeybee generation system in 5.
- The net purchased electricity of the facility (the Honeybee zone) to which the Honeybee generation system is attached to. This is the electricity consumed by the facility less the electricity generated by the Honeybee generation system.
- The financial costs of the Honeybee generation system; capital, maintenance and replacement costs.
8. Calculate the net present cost of the Honeybee generation system in 5 assuming a 25 year lifetime.
9. Visualise the net present cost.
…
dings
University: Islamic Azad University, Science and Research Branch, Tehran
Supervisor: Dr. Azadeh Shahcheraghi
Designer: Ali Eslami
Design Process Animation: grasshopper 3d + gray + rhino v-ray 3
camera Control & animation in grasshopper: horster camera Control for Grasshopper
optimization : Galapagos Evolutionary Solver
radiation analysis: ladybug
Motion graphics: Adobe After Effects
Architectural Animation: lumion 7
Music: Free Background Music – Trellum - Calm Evening
intro( inspiration): HBO intro
Architectural Animation_ Designing National Cyber Games Center in Tehran by Using Digital Architecture Findings
Game is one of the oldest human behaviors and it is specifically related to the culture and region in every society. Considering the change and growth in societies, they –the games- coordinate themselves with these changes. Inventing digital tools, games entered a new arena and quickly changed to a remarkable area in industry and economic market and they also attract more time and audience towards themselves, not requiring big and special spaces, being accessible to public. Regarding the extensive effects of computer games on economic, cultural, educational, physical and mental health arenas, every country has done a deal with content control, supporting producers, increasing public awareness and etc within its special background. Iran computer and video games foundation as a non-profit organization takes charge of different domain support and control in this effective industry under the supervision of Ministry of Guidance. Architecture and computer games in different domains have influenced each other and are interconnected. And since games are played in one space, they require game space designing together with type of the game. So game designers need knowledge and studies in architecture design. Architecture, inventing digital tool, used its features to advance its goals, as games did. Although at first it used them for drawings and visual expressions of ideas, extending these features, they were used in design process. Meanwhile, using digital technics produced specifically for animation making and computer games leaded to their more proximity. In the design of Iran computer and video games center, we tried to use digital features in all steps. Therefore extracting main parameters from the designing process steps and changing them to computer codes (using algorithm), we tried to make its various states producible and to provide the possibility of optimizing the required area, maximum vision to key spaces around the site and also the amount of received light. Also in designing the project facade, after research on various technics of exfoliation and façade design, Media façade was used for a better compatibility with video games. With an approach to creating mobility for the audience and the computer game producers in the greenbelt near the project, physical playgrounds were created for them.…
e actual method.
Below, I descibe how they work:
1) drag "scheduleDay" onto the canvas
2) drag some Gene Pool lists onto the canvas and connect a number slider - from 0 to 3.
3) connect the Gene Pool list to _genePool input. The component change some important features of the Gene Pool list automatically. Now you have LB_GenePool!!
4) choose the template that it's suitable for you.
5) disconnect LB_GenePool and if templates are not good, you can change them manually
6) drag "Ladybug annual schedule" onto the canvas
7) Connect LB_GenePools to inputs for the days of the week, Epw file and if you want to "_holiday" (in this way you consider holidays). Now you have your simple schedule.
8) a small workflow to visualize it into Rhino..
9) Connect "Ladybug annual schedule" to "Honeybee_Create CSV Schedule" to make your csv Schedule
You could make a schedule more complex than the one in the example above.
You can do that with _analysisPeriod input.
Bests
Antonello…
ter that bakes the object, assign V-ray materials to the objects and render image with V-ray. Than changes the value of animation slider and again the hole automation process.
I have written this automation with python.
but because of the animation slider rhino crashes everytime in a different value of the animation slider (frame number).
I have tried the hole thing without running the automation. I have left the computer to recompute only the objects without,baking, aissigning a material and render but rhino still crashes.
I am usin rhino 5 sp10 with the latest grasshopper and V-ray for Rhino.
Windows 7 64 -bit Ultimate with latest updates for .NET Framwork.
The error message is:
System::AppDomain::CurrentDomain->UnhandledException event occured
SENDER: Name:DefaultDomainThere are no context policies.
EXCEPTION: System.Runtime.InteropServices.SEHExceptionMESSAGE: External component has thrown an exception.SOURCE: RhinoCommonCALL STACK at UnsafeNativeMethods.CRhCmnUserData_Delete(IntPtr pUserData, Boolean only_if_no_parent) at Rhino.DocObjects.Custom.UserData.Dispose(Boolean disposing) at Rhino.DocObjects.Custom.UserData.Finalize()
Is there somebody that can help me to solve this. It is very important for me. This is a very big project that i am working on. And I don't know how to fix it.
Is there any other solution to the problem.
Thank you in advance
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Added by Todor Todorov at 2:36am on January 31, 2015