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2018-06-28T21:06:54Z

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wiki>Paleajed: Created page with "= Preselection highlighting = == Proposal == ==== by Gert De Roost ==== ---- === Overview === Preselection highlighting is a visual mechanism that allows one to "pre-view" wha..."

2014-01-13T14:44:33Z

Created page with "= Preselection highlighting = == Proposal == ==== by Gert De Roost ==== ---- === Overview === Preselection highlighting is a visual mechanism that allows one to "pre-view" wha..."

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= Preselection highlighting =

== Proposal ==
==== by Gert De Roost ====
----

=== Overview ===

Preselection highlighting is a visual mechanism that allows one to "pre-view" what will be selected by several selection mechanisms before actually selecting (so when the mouse pointer "hovers" over selectable geometry the going-to-be-selected mesh components will be highlighted in a different color). Amongst other things it facilitates easier selecting in more complex geometry situations.

The current proposed system allows preselection highlighting of:

* current going-to-be-selected vert/edge/face (works in multiselect mode)
* current going-to-be-selected vert loop/vert ring/vert path
* current going-to-be-selected edge loop/edge ring/edge path
* current going-to-be-selected face loop/face ring/face path

* elements going-to-be-selected inside circle select circle
* elements going-to-be-selected inside border select border

And also:

* proportional editing falloff highlighting (this could go into a separate proposal?) This is a system using a color overlay with diminishing alpha as falloff increases, showing the area that will be influenced by editing.

[[File:suzy.jpg]]

Showing proportional falloff highlighting and circle select preselection.

=== Details ===

* Works in both 3D View and UV editor.
* In 3D View plain preselection and proportional falloff preselection both have a checkbox in 3D View -> Npanel -> Mesh Display so you can turn off the preselection for the 3D View.
* In UV editor plain preselection and proportional falloff preselection both have a checkbox in UV editor -> Npanel -> Display so you can turn off the preselection for the UV editor.
* Can highlight vert/face normal along with the vert/face itself. It uses the normal size set in 3D View -> Npanel -> Mesh Display -> Normals and has an on/off toggle icon in the same section.
* Has two customizable colors and alpha for highlighting, one for already selected components and one for non-selected components.
* Has a customizable color for proportional editing falloff highlighting.

=== Implementation ===

The system has already been realized in Blender core C code, and testing builds can be downloaded on GraphicAll:
* [http://www.graphicall.org/1081 "for Linux 64bit"]
* [http://www.graphicall.org/1080 "for Windows 64bit"]

The code is also available, on GitHub:
* [http://github.com/paleajed/EWOCprojects-Blender "C preselection code"]

Do note the builds and the code also contain code for two soon-to-be-written proposals, namely Modal Circle Select and Free Manipulator Mode.

When wanting to discuss the code or anything else, I can be contacted through email [paleajed@gmail.com]

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Yamyam: 1版 をインポートしました

wiki>Paleajed: Created page with "= Preselection highlighting = == Proposal == ==== by Gert De Roost ==== ---- === Overview === Preselection highlighting is a visual mechanism that allows one to "pre-view" wha..."

Yamyam: 1版をインポートしました