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- // Copyright (C) 1997-2002 Alias|Wavefront,
- // a division of Silicon Graphics Limited.
- //
- // The information in this file is provided for the exclusive use of the
- // licensees of Alias|Wavefront. Such users have the right to use, modify,
- // and incorporate this code into other products for purposes authorized
- // by the Alias|Wavefront license agreement, without fee.
- //
- // ALIAS|WAVEFRONT DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
- // INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
- // EVENT SHALL ALIAS|WAVEFRONT BE LIABLE FOR ANY SPECIAL, INDIRECT OR
- // CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
- // DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
- // TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- // PERFORMANCE OF THIS SOFTWARE.
- //
- //
- // Alias|Wavefront Script File
- // MODIFY THIS AT YOUR OWN RISK
- //
- // Creation Date: Mar 20, 1997
- // Author: RS
- //
- // Description:
- // The intersectPreset() procedure executes a intersect operation on
- // a pair of surfaces based on the intersect option vars. In general if
- // you have n surfaces selected, (n-1) surface intersect operations would
- // be carried out.
- //
- // Input Arguments:
- // None.
- //
- // Return Value:
- // None.
- //
-
- proc string pieceTogetherACmd(
- int $cosOnlyOnFirstSurface,
- int $cosAs2D,
- int $history,
- float $tol )
- //
- // Description :
- // piece together an intersect command.
- //
- {
- string $cmd;
- $cmd = "intersect " ;
-
- // construction history.
- //
- $cmd = $cmd + " -ch " ;
-
- if( $history == 1 ) {
- $cmd = $cmd + "true" ;
- } else {
- $cmd = $cmd + "false" ;
- }
-
- $cmd = $cmd + " -fs " ;
- $cmd = $cmd + $cosOnlyOnFirstSurface ;
-
- $cmd = $cmd + " -cos " ;
- $cmd = $cmd + $cosAs2D ;
-
- $cmd = $cmd + " -tol " + $tol ;
-
- return $cmd ;
-
- }
-
- global proc intersectPreset(
- int $cosOnlyOnFirstSurface,
- int $cosAs2D,
- int $history,
- float $tol )
- //
- // Intersect with the preset options.
- // Use this proc when operation dragged to Shelf.
- //
- {
- string $cmd ;
- $cmd = pieceTogetherACmd( $cosOnlyOnFirstSurface, $cosAs2D, $history, $tol ) ;
-
- int $nitems = 2 ;
- $cmd = appendToCmdPlaceHoldersForSelectionItems($cmd,$nitems) ;
-
- // Get the list of nurbs surfaces selected.
- //
- global int $gSelectNurbsSurfacesBit;
- string $surfaceList[] = `filterExpand -ex true -sm $gSelectNurbsSurfacesBit`;
- int $i ;
-
- int $surfaceCount = size($surfaceList) ;
- if( $surfaceCount < 2 ) {
- error "Select at least two NURBS surfaces to intersect" ;
- } else {
- // all (n-1) combinations
- //
- string $intersectResults[] ;
- int $nr = size($intersectResults) ;
- for( $i = 0 ; $i < $surfaceCount-1 ; $i++ ) {
- string $surfacePair[2] ;
- $surfacePair[0] = $surfaceList[$i] ;
- $surfacePair[1] = $surfaceList[$surfaceCount-1] ;
- string $results[] = executeCmdOnItems( $cmd, $surfacePair );
- $intersectResults = stringArrayCatenate( $intersectResults, $results ) ;
- } // for $i
-
- // select the results.
- //
- int $resultCount = size($intersectResults) ;
-
- if( $resultCount > 0 ) {
- string $selectString;
- $selectString = "select -r";
-
- // select all results to begin with
- //
- $resultCount = size($intersectResults) ;
- for( $i = 0 ; $i < $resultCount ; $i++ ) {
- $selectString += " ";
- $selectString += $intersectResults[$i] ;
- }
- $selectString += ";";
- eval($selectString) ;
- }
- }
- }
-