Grasshopper

algorithmic modeling for Rhino

Hi All,

Grasshopper 0.8.0002 is available for download. It's been a while since the last release, but I'm working with the core Rhino team for a while so it's hard to focus on continuous development.

Changes since 0.8.0001:

  ● !! This release is build against .NET 3.5 instead of 2.0 !!
  ● Added conditional If(condition, A, B) method to the Grasshopper expression language.
  ● Added Rectangle geometric primitive.
  ● Added Rectangle3d to the Script type hints.
  ● Added a FilePath parameter.
  ● Rectangle and Rectangle 3pt now output Rectangles when appropriate.
  ● Grid Components now output Rectangles.
  ● Added a Substrate Component (based on original idea by J. Tarbell).
  ● Added a FitCrv component.
  ● Added a Pick'n'Choose component to combine multiple lists into one.
  ● Added a Collapse Polyline component.
  ● Added a Planar Surface component.
  ● Added a Radial Grid component.
  ● Added zero-length segment removal to the old Polyline component.
  ● Added two Relative Tree Item components, bit experimental, not sure where to go with this yet.
  ● Added a Selected-Only filter to the Grasshopper preview.
  ● Added wire display properties to all floating and input parameters.
  ● Added Close Document button to the MDI menu.
  ● Autopanning is now triggered both by Canvas edges and Screen edges.
  ● Added customized cursors to the Galapagos Genome Linker.
  ● Rewrote the Timer object. Be on the lookout for breaking behaviour and new bugs.
  ● Added a new Ctrl+Shift rewiring editing mode for parameter wires.
  ● Redesigned a bunch of Cursors and removed support for Windows pre-NT cursors.
  ● Wire Action cursors are now visible before the action begins (i.e. when the mouse hovers over a grip).
  ● Cursor Resources are now cached instead of loaded from the disk every time.
  ● Improved Abort icon mouse blocking.
  ● Rewrote all casting logic to use jump-tables for better performance. Watch out for bugs in data conversion.
  ● Removed a lot of (over?)cautious validity tests for geometry inputs.
  ● Twisted Box parameters are now Bake-Aware.
  ● Updated the QWhale libraries, typing VB and C# code should be somewhat less frustrating.
  ○ Fixed a bug with multi-line tooltip description layouts.
  ○ Fixed a bug with surface reparameterization.
  ○ Fixed the selection rectangle not being visible when no document is loaded.
  ○ Fixed the Find function short-cut display in the Canvas popup menu.
  ○ Fixed a bug with AHSL colour components and hue values out of the 0.0~1.0 range.
  ○ Fixed a bug with Point parameter expression (de)serialization.
  ○ Fixed a bug with Surface Normal evaluation and flipped surfaces.
  ○ Fixed a bug with the Bake dialog.
  ○ Fixed a core SDK problem with the curve offset algorithms.
  ○ Fixed a bug with number slider menus not working over the rail box.
  ○ Fixed a potential crash case with the Grasshopper Banner and invalid Library Icons.
  ○ Fixed a bug with Tiled sampling in the Image Sampler.
  ○ Fixed excessive undo event recording during Alt+Arrow nudging of Components.

Hope you enjoy these incremental updates. And as always; be sure to back up important work, drive safely, be nice to people you meet and don't pet squirrels, they're flea infested vermin.

--
David Rutten
david@mcneel.com
Seattle, WA

Views: 2530

Replies to This Discussion

Ok, fixed. 0.8.0003 should properly format Script Variants.

--
David Rutten
david@mcneel.com
Seattle, WA
thanx
Hi David,

Thanks for the new release.

I have two questions:
- Will the Remote control panel be available again?
- Somehow GH custom preview and colour swatch show x-rayed in rhino viewport, even when it's set to be shaded. See pic attached. I don't know where to start; win 7, DotNet version, rhino 5 WIP, GH 8.002?


Thanks,
Pim.
Hi Pim,

Remote Control Panel is on the list. I'm still waiting for docking dialogs in RhinoCommon.

The x-ray thing, I wonder if it's due to the wire bumping I do in my display. I draw all Grasshopper geometry marginally closer to the camera to avoid it being occluded by Rhino Geometry (if you reference a curve for example, I want to draw my curve on top of the Rhino curve). In extreme cases it will actually draw the wires so far in front that it appears to be x-rayed.

This drawing code could be made smarter.

--
David Rutten
david@mcneel.com
Seattle, WA
Can someone explain me the difference between to use the Curve code from the SDK or GH_Curve?
(... and, I guess, this is valid for all the other GH_coding)
GH_Curve is how Grasshopper stores curves internally. It most likely doesn't provide useful functionality for scripters. However, creating GH_Curves directly saves a conversion step on my end.

This conversion is very fast, the biggest problem is that the conversion jump tables are not hooked up correctly (like happened now).

--
David Rutten
david@mcneel.com
Seattle, WA
David,

The Sweep2 bug is still unresolved...

It is a major shortcoming for me as the sweep2 component is key to my very large definition originally done in 0.6x version. I just cannot get it to work in either 0.7x or 0.8x versions. I would really appreciate some help.
I missed that thread. I found the problem and fixed it. Though Sweep2 still sucks as a general method.

--
David Rutten
david@mcneel.com
Seattle, WA
Thanks a lot.

I agree with you about Sweep2. I would never use it for serious stuff if I had it my way. Looking forward to the next release!
hi again!

bug alert: the solid union component doesn't work if the B hook has more then 1 values as input.
Hi Andrei,

well that sucks. It's only supposed to work if there's more than one input.

I tested it on some boxed and it seems to union them just fine. Can you post the geometry that fails to union?

--
David Rutten
david@mcneel.com
Seattle, WA
I meant intersection, sorry..

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