Tree:
{0;0;0} N = 2
{0;0;1} N = 1
{0;0;2} N = 3
{0;1;0} N = 5
{0;1;1} N = 8
{0;1;2} N = 10
If we apply the aforementioned mapping to this tree, we'll end up with the following result:
{0;0} N = 6
{0;1} N = 23
Basically {0;0;0}, {0;0;1} and {0;0;2} are combined into a single path {0;0} as we disregard the third index because "C" is no longer present in the target mapping.
Because we only use the Mapper to modify paths, we do not lose any data items, though we might lose some of the paths.
--
David Rutten
david@mcneel.com
Poprad, Slovakia…
Added by David Rutten at 1:03pm on August 25, 2010
olume a factor of x bigger, the scaling factor needs to be x^(1/3) which is the same as the cube-root of x.
In this case we don't just want to make the volume x bigger, we need to get a specific volume, so the first step is to compute x, which is the Target volume divided by the Current volume.…
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4, 3, 7, 7, 7, 8
would need to be
5, 6, 7, 8, 4, 3, 7, 8
ideas?
current workaround (kangaroo dupPt component) removes all duplicates from list, tho does maintain order.
thx…
ace. What I am trying to do is then take these indexes and arrange them to fit a grid - so that all shared edges meet up. e.g. Surface 0 shares edges with surfaces 7 and 8, surface 7 shares edges with 19,4, 3, surface 3 shares and edge with 8 etc. What I need to do is graphically represent this in a grid, so that I can map out the uvs and effectively solve the problem of surface seams. Does anyone have a clue how to do this kind of 2d shuffling?…
ems in the same way. Lofting was particularly difficult, you had to have a separate loft component for every lofted surface that you wanted to generate because the component would/could only see one large list of inputs. Then came along the data structures in GH v0.6 which allowed for the segregation of multiple input sets.
If you go to Section 8: The Garden of Forking Paths of the Grasshopper Primer 2nd Edition you will find the image above describing the storing of data.
Here you will notice a similarity between the path {0;0;0;0}(N=6) and the pathmapper Mask {A;B;C;D}(i). A is a placeholder for all of the first Branch structures (in this case just 0). B is a place holder for all the second branch structures possibly either 0, 1 or 2 in this case. And so forth.
(i) is a place holder for the index of N. If you think of it like a for loop the i plays the same role. For the example {A;B;C;D}(i) --> {i\3}
{0;0;0;0}(0) --> {0\3} = {0}
{0;0;0;0}(1) --> {1\3} = {0}
{0;0;0;0}(2) --> {2\3} = {0}
{0;0;0;0}(3) --> {3\3} = {1}
{0;0;0;0}(4) --> {4\3} = {1}
{0;0;0;0}(5) --> {5\3} = {1}
{0;0;0;1}(0) --> {0\3} = {0}
{0;0;0;1}(1) --> {1\3} = {0}
{0;0;0;1}(2) --> {2\3} = {0}
{0;0;0;1}(3) --> {3\3} = {1}
{0;0;0;1}(4) --> {4\3} = {1}
{0;0;0;1}(5) --> {5\3} = {1}
{0;0;0;1}(6) --> {6\3} = {2}
{0;0;0;1}(7) --> {7\3} = {2}
{0;0;0;1}(8) --> {8\3} = {2}
...
{0;2;1;1}(8) --> {8\3} = {2}
I'm not entirely sure why you want to do this particular exercise but it goes some way towards describing the process.
The reason for the tidy up: every time the data stream passes through a component that influences the path structure it adds a branch. This can get very unwieldy if you let it go to far. some times I've ended up with structures like {0;0;1;0;0;0;3;0;0;0;14}(N=1) and by remapping the structure to {A;B;C} you get {0;0;1}(N=15) and is much neater to deal with.
If you ever need to see what the structure is there is a component called Param Viewer on the first Tab Param>Special Icon is a tree. It has two modes text and visual double click to switch between the two.
Have a look at this example of three scenarios in three situations to see how the data structure changes depending on what components are doing.
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1 of 8] Writing simulation parameters...[2 of 8] No context surfaces...[3 of 8] Writing geometry...[4 of 8] Writing Electric Load Center - Generator specifications ...[5 of 8] Writing materials and constructions...[6 of 8] Writing schedules...[7 of 8] Writing loads and ideal air system...[8 of 8] Writing outputs......... idf file is successfully written to : c:\ladybug\unnamed\EnergyPlus\unnamed.idfAnalysis is running!...c:\ladybug\unnamed\EnergyPlus\eplusout.csv......Done! Read below for errors and warnings:Program Version,EnergyPlus, Version 8.4.0-09f5359d8a, YMD=2016.05.27 21:14,IDD_Version 8.4.0 ** Warning ** IP: Note -- Some missing fields have been filled with defaults. See the audit output file for details. ************* Beginning Zone Sizing Calculations ** 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=EARTH TUBE FAN ELECTRIC ENERGY, Frequency=Hourly ************* Key=*, VarName=PUMP 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; 0 Severe Errors. ************* EnergyPlus Completed Successfully-- 3 Warning; 0 Severe Errors; Elapsed Time=00hr 00min 1.19sec
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a follow up question... how do I wrap a list onto itself at a certain frequency?
i.e. I want the list {1;2;3;4;5;6;7;8;9}
to become {1,4,7; 2,6,8; 3,6,9} wrapped every 3rd item
Added by Joshua Jordan at 5:30pm on November 17, 2012
、、、不同角度的理解、诠释、运用和发掘规律、、、
新闻或者幻觉:马王堆墓穴中发掘出了丝绸做的鞋,不算是现代意义上真正的鞋,但是完成了一个完整的公式。
有一部分需要是共同的,在离开了沙滩和草地的时候。
找一个成熟的不一样的数学思维合作者,(可以一起申请参加sg2014活动,也可以不)
我想听到人们写给自己的语言,我不害怕听不懂;
也不在意你能看到我的美丽的脚和我们美丽的城市。
你存在?存在0.1%?如果≥1/4
With the two version of the PDF in the file upload, doubt, 10th should be able to see the many PDF.
There are some scruples, confusion ——"The additional property of professional activities",——Subject classification, commercial, regional、、、
There is a place Africa, people don't wear shoes, A few people with grass or leather on the foot (and buildings——In order to spatial density) winding,
the manufacture of shoes, two sales do two judgment:
A There is no life belongs to shoes
B this is the market.
I spent a lot of energy explained to students, which is not to do programming people do、、、 the different angle understanding, interpretation, application and explore the law、、、
The news or illusion:Mawangdui tomb unearthed silk shoes , is not the modern sense of true shoes, but the completion of a complete formula.
There is a need is common, when they leave the beach and grass.
Find a mathematically mature different thinking partners,(Can apply to participate in the activities of the sg2014, also can not)
I want to hear people wrote their own language, I am not afraid of don't understand;
Don't care what you can see my beautiful feet and our beautiful city.
Do you have? There are 0.1%? If ≥1 / 4 You know what I did wheni found out about you?
msxf6688@163.com
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