3DScheme & 3DScheme Pro
Version 2.0

The Solid Modeler: User Input

Dialogs

• display a message string in an error/information/warning/yes-no dialog box
• display a message string in the transcript window

Events

• process all pending Windows events, if interrupts are enabled
• get the button from a pick-event
• determine if the Alt/Ctrl/shift key is pressed in a pick-event
• determine if the left/middle/right mouse button is pressed in a pick-event
• get the view/x-coordinate/y-coordinate from a pick-event
• create a pick-event from specified data or user input

Filtering

• create an entity-filter whose criterion is the logical conjunction/disjunction of the criteria of specified entity-filters
• apply an entity-filter to one or more entities
• create an entity-filter whose criterion tests on the basis of color/display status/entity type
• create an entity-filter whose criterion is the logical negation of a given entity-filter's criterion
• get a list of available entity types suitable for entity-filter criteria

Picking

• get the position on a curve/edge closest to a pick-ray
• get the entity component of an entray
• get the vertex of an entray's ray component
• get the position of the vertex of an entray's ray component
• get the ray component of an entray
• create an entray
• get/set the dimensions of the pick aperture
• get an edge/entity/face/position/ray/vertex from a pick-event
• get all entities whose representation enters a region specified by two pick-events
• get the position/gvector component of a ray
• create a ray from a position and a gvector
• get the position where a ray intersects a solid

Rubberbanding

• add one or more rubberband drivers to a list of active drivers
• disable all active rubberband drivers
• create a drag/generic/line/rectangle/scheme/window rubberband driver and optionally activate it
• get a list of all active rubberband drivers
• pop the top of a stack of lists of rubberband drivers
• push a new list of rubberband drivers onto the stack of driver lists
• remove a rubberband driver matching a given type predicate from the list of active drivers
• remove one or more specified rubberband drivers from the list of active drivers
• get/set a local variable in a scheme rubberband driver
• call the local get-position hook, passing the current rubberband driver and a pick-event as arguments
• send the rubberbanding start/update/stop event
• create a view rubberband driver and optionally activate it
• enable/disable rubberbanding draw mode for a view

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Last modified: May 27, 1998 Copyright © 1998 Schemers Incorporated Please EMail comments to emartin@schemers.com