Editable PolyWorking With Editable Poly Objects

George Georgiev

http://academy.telerik.com

Technical Trainer

academy.telerik.com

/.../3d-game-developme

nt-opengl

George AtanasovFront-End Developer

Editable Poly Editable poly – five sub-object levels Vertex

Edge

Border

Polygon

Element

2

The poly object's faces are polygons with any number of vertices

Advantages Editable poly options

Transform or Shift-Clone selection as with any object

Options supplied on the Edit rollouts

Pass a sub-object selection to a modifier higher in the stack.

3

To convert object to editable poly:Quad menu > Convert to Editable PolyModify panel > Choose Convert to: Editable Poly.

Command Buttons

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Command button – provides specific command or function to apply

Two ways of using the commands Direct manipulation

Interactive manipulation

Note: Some buttons, such as Flip, operate on the mesh immediately, with no viewport manipulation required.

Show End Result Show end result – Command Panel -> Show end result toggle

Enables you to see the result of all modifiers while editing on lower level

5

Selection RolloutSelection Rollout Commands

Selection Rollout Selection rollout contains

Buttons for accessing sub-object levels

Display Settings

Information about selected entities

Object level commands Sub-object level commands

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Selection Rollout

Sub-object level buttons Vertex – Turns on Vertex sub-object

level Lets you select a vertex beneath the

cursor

Region selection selects vertices within the region

Edge – Turns on Edge sub-object level Lets you select a polygon edge

beneath the cursor

Region selection selects multiple edges within the region

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Selection Rollout Sub-object level buttons

Border – Turns on Border sub-object level Lets you select sequence of edges

that borders a hole in the mesh

Border edges have faces only on one side of them

Polygon – Turns on Polygon sub-object level Lets you select polygons beneath the

cursor

Region selection selects multiple polygons within the region

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Selection Rollout Sub-object level buttons

Element – Turns on Element sub-object level Lets you select all contiguous

polygons in an object

Region selection lets you select multiple elements

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Selection by vertex Selection by vertex

Select sub-objects by vertices they use

By clicking on a vertex all objects using it are selected

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Ignore Backfacing Ignore backfacing

When on selection of sub-objects affects only those facing you

When off, region selection includes all sub-objects, regardless of the direction they face

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Selection Transformation

Shrink - reduces the sub-object selection area Deselecting the outermost objects

If selection size cannot be reduced, the remaining objects are deselected

Grow – expands the sub-object selection area Adds the closest outward objects to

the current selection13

For this function, a border is considered to be an edge selection.

Selection Transformation

Ring – expands an edge selection Select all edges parallel to the

selected edges

Loop – expands the selection as far as possible in alignment with selected edges

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Ring and Loop applies only to edge and border selections

Selection Information Selection information – text display

Information about current selection

If zero or more than one sub-object is selected, the text gives the number and type

Else the text gives the identification number and type of the selected item

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Soft Selection Rollout

Working With Soft Selection

Soft Selection Soft selection controls

Apply smooth falloff between selected sub-objects and unselected

Partial selection value

Affects Move function

Rotate function

Scale function

Deformation modifiers

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Soft Selection Curve Soft Selection Curve – Graphically displays how Soft selection will work In the center of the X axis is the

direct selection

The partial selection will be affected with force depending on the Y value of the current object

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Soft Selection Parameters

Edge Distance space Edge distance – Edge Distance

spinner Distance in edge count

Absolute Distance space Absolute distance – Falloff spinner

Distance in current units

Pinch spinner – affects the curve of the effect

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Soft Selection Parameters

Bubble spinner - Sets the relative "fullness" of the region Expands and contracts the curve along

the vertical axis

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In older versions of 3D Studio Max is displayed only the right symmetrical half of the Soft selection curve

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Editable Poly

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