I kept adding new text every day until now... and now I have to change almost all the text I did type but... it's made of curves!
So I was wondering if anyone has ever had similar problems solved by a gh definition
In case no-one has ever had similar troubles (I think you all here are smarter than me :P) how would you proceed to create a similar definition, given all the text has same dimension and font?
I would:
a) create a set with all the possible character-curve in that Font b) create an identical set with the same characters as type
c) compare this set with every given text-curve in the drawing (issue: the number 8 is made of 3 different curve .___. same as letter B... A has 2, as D, R, O, P, p and so on...)
d) list item from set 'b' using pattern I get from 'c'
e) evenctually -this is a moonshot in the moonshot- concatenate characters at 'd' based on proximity of different character-curves (to get "ABC" as a whole text, instead of "A" "B" and "C" as separate instances)
It sounds kind of challenging!
...maybe I'm better start re-writing text NOW as it could EASILY take me a couple of days to get things done... :)…
g commands. In addition, this workshop will give students a functional understanding of Grasshopper and Parametric design; this will allow them to build on this understanding into more advanced projects of their own. The class also covers information on fabrication techniques with RP or laser machines and optimization and fabrication using RhinoCAM for CNC machines.
Details...
Date: May 16 - 20, 2016
Time: 8:00 am - 5:00 pm (EST)*
*Note: All times listed are Eastern (Miami) time zone
Location: McNeel Miami1538 NW 89th CourtMiami, FL 33172United States…
mpletes, i will be incremented. The default increment amount is 1.
If you change the syntax to be:
For i As Int32 = 0 To 9 Step 2
then i will be incremented by 2 each time. So now the loop will run 5 times:
first iteration i = 0
second iteration i = 2
third iteration i = 4
fourth iteration i = 6
fifth iteration i = 8
sixth iteration i = 10 which is more than 9 so the 6th iteration never happens.
If you use Step 0, i isn't incremented at all, and the loop should run forever, unless you have some other abort statement or if you adjust the iteration variables inside the loop. You are doing the latter. Your iteration variable is D. The loop itself does not increment it, but you manually increment it when you call D += T.
Although this is logically solid, it is very bad practice since it makes the code very hard to read.
Since D, R and N are not external variables, I would not expose them as Input parameters.
Also, you inner loop is very weird:
For R = R1 To R Step 0
Your iteration variable here is R, but your termination limit is also R. Not to mention the step is again zero.
Trying to debug this is very difficult because it's been written in a very unorthodox fashion. I have a distinct feeling this algorithm can be written down with far fewer variables and constructs.
--
David Rutten
david@mcneel.com
Poprad, Slovakia…
s is like flattening your data PARTIALLY - chopping an index off the end of the branch paths without obliterating the tree entirely. When working with one "set" of input data, a flatten works to get these lists to match up - but when working with multiple sets, we need to be careful to preserve the original branch indices that keep all four of your original regions separate. As a rule, whenever you're feeding two data trees into any component, they should have the same number of branches. (or one should have branches and the other should be a flat list, in other cases).
The rule of thumb I tend to teach is this:
In 90% of cases...
For lists, all your inputs should either have 1 item or N items. That is to say, if you're feeding 4 items into one input and 9 items into another, something is probably wrong.
For trees, all your inputs should have either 1 branch or M branches. That is to say, if you're feeding a tree w/ branches {0;0} to {0;3} into one input, and a tree w branches {0;0;0} to {0;3;8} into the other input, something is probably wrong.
Grasshopper essentially matches up branches first, then lists second. By "matching" I mean it processes them together. Simple example of the Line component - it will match the first branch of points in the A input to the first branch of points in the B input, creating lines between those points, then match the second branches, the third branches, etc. THEN, it applies the same logic to the level of the list (with a pair of matched branches {0;2}, match all the items in those branches to each other - first item in one branch to the first item in the other branch, etc.)
This is a tricky concept but it seems like you're already well on your way to understanding it from your definition - "PShift" is a critical tool in your path management arsenal. I hope this (overly long) response helps clear things up for you!
…
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.
…
I want to use standard components I have to use 2 or 3 to get the result or use a scripting component, but sometimes I fell this could be avoided if we could access geometry properties and methods directly, let's say we want to use the x coordinates of a bunch of points, instead of decomposing the points to get the X input we could directly type X in the expression editor input to do so similarly to what happens with math formulas.
mmmm, I suppose that methods will be a bit trickier if more inputs where necessary.
On the other hand GH is very easy to start doing things with because the interface allows all levels of knowledge as shown on this forum where most of the questions, I'd say, have to do with solving specific geometry problems or asking for people experiences in similar problems and not always, how do I use a component if you know what I mean.
Overall I'm so, so happy GH is out there in the hands of creative people and in the hands of creative developers! Perhaps there is no need for GH to do any task because it certainly does quite a lot and it is so versatile, even better, that the requests of users get implemented as far as possible.
I think it's very difficult to compare two programs unless you are at the same level of proficiency on both, in the future I'm going to pay more attention as to if there would be a simpler way to do things in GH and if it required some implementation.
My two pence, 8)
Evert…
Added by Evert Amador at 4:03am on February 23, 2011
ifically: I have a 100' vertical plane lofted between curved top and bottom profiles. I contour it every 8' (normal direction is Z, giving me 13 horizontal curves). I use Divide Curve to divide each contour into 10 segments. The "Points" output of Divide Curve now yields 13 branches with 11 items each, corresponding to 13 contours with 11 points from the left end of the curve to its right.
I now want to string "vertical" lines, and connect all the 2nd items in each branch together, all the 3rd items, etc... in order to make a polyline that travels between each 2nd point or 3rd point. i don't want to use Cull Pattern/Nth/Index because the number of subdivisions could change (11 could become 20, etc).
How do I connect the Nth item of each branch in this tree? Moreover, how do I connect all values in a branch with their corresponding values in all other branches?
Thanks for any replies,
Richman Neumann
Solomon Cordwell Buenz Architects
…
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…
imes. Your loop should go to y.Count - 1. Or, you could use a For...Each loop, circumventing the problem altogether:
Dim shortLines As New List(Of Line)
For Each segment As Line in y
If (segment.Length < x) Then
shortLines.Add(segment)
End If
Next
A = shortLines
--------------------------------
Another problem is this line of code:
New_Lines.Add(New_Line)
It is located inside the loop but outside the If statement, meaning it gets run every single iteration. This fills up the short line list with duplicates.
-------------------------------
Here's something else which is redundant:
Dim Input_Line As New Line
Apart from the fact that you don't need a special variable for this at all, you also don't need to add a New keyword. The type Line in RhinoCommon (just like Point3d, Vector3d, Plane, BoundingBox etc. etc.) are Structures, not Classes. Structures always exist when they are defined, whereas Classes can be null ("Nothing" in VB).
-------------------------------
Some more advice:
Dim i As Integer
For i = 0 To y.Count()
You can merge these two lines into one. VB.NET allows you to declare your iteration variable inside the loop:
For i As Integer = 0 To y.Count - 1
--------------------------------
If you don't like the For...Each approach at the top of this answer, here's how to write this using a For...To loop:
Dim shortLines As New List(Of Line)
For i As Integer = 0 To y.Count - 1
If (y(i).Length < x) Then
shortLines.Add(y(i))
End If
Next
A = shortLines
ps. A personal preference of mine is that I always encase the expressions inside If...Then statements in brackets. You technically don't need to do this, but I find it makes the code more readable.
--
David Rutten
david@mcneel.com
Poprad, Slovakia…
taTree.
2. Since GH is acyclic by design we can't pick individually (without code, that is) our "picks" for the iceberg ... thus we need a global policy applied to ALL grid points at once.
3. This is what the next part does: it picks randomly some iceberg stuff and modifies their Z by a random value. If the Z is always "above" the grid or not it depends upon the domain of values to operate. Seed means "roll the bones again" (meaning another collection).
4. So we have the modified points Data Tree (that are steady - acting as the tips of the iceberg). Let's call them Anchors.
5. If we subtract set 4 from 1 we have the points prone to vary according some manipulation. Kangaroo does that manipulation (this is the best add-on that GH has to offer by 1M miles made by a very clever fella).
6. But if we instruct Kangaroo to do the job... he makes chaos since the points in 4 are not sufficient: we need perimeter steady points that act as Anchors as well. So we manage some logic to pick a variable set of perimeter points and we "merge" 4 and 6 and we have the final set of Anchors on hand - whilst all the rest are points willing to change.
7. Kangaroo is a physics engine meaning that the only thing that understands is ... er ... points and their relation (the "line" connecting them, that is). Kinda like a CPU that understands 0 and 1 and nothing else.
8. So we provide Kangaroo info about all the lines involved: how "stiff" they are and what is the expected/desired final length.
9. By double clicking the Kangaroo component ... the "simulation" starts running (in some kind of "loops") and goes towards an "equilibrium" where all our desires are satisfied - or the solution's entropy is the minimum possible (well up to some level, he he). Kangaroo displays a small control dialog that allows you to halt the process or reset it (meaning: start again).
10. If the instructions are "good"/"proper" the "loops" (iterations) are relatively few: if K does 1M "loops" ... this means that your instructions are silly or not well thought.
After stopping Kangaroo ... we have (hopefully) a "well" distorted collection of points (and their equivalent mesh) to proceed further via components usually found in the WB add-on
PS: If all the above sound Greek to you ... it's because I'm Greek, he he.
Moral: Get the gist of Kangaroo ASAP - worth spending some time I recon. If you do that and you need examples (other than the ones available at download time) ... well I have more than 300 (from simple to ultra paranoid).…