| # SPDX-FileCopyrightText: 2020 Efabless Corporation |
| # Licensed under the Apache License, Version 2.0 (the "License"); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| # SPDX-License-Identifier: Apache-2.0 |
| namespace path {::tcl::mathop ::tcl::mathfunc} |
| # Bump bond is a circle (approximated by a 20-sided polygon) of |
| # diameter nominally 250um |
| for {set i 0} {$i < 20} {incr i} { |
| set arad [/ [* 3.1415926 $angle] 180.0] |
| lappend coords [int [* $rbump [cos $arad]]]um |
| lappend coords [int [* $rbump [sin $arad]]]um |
| eval [subst {polygon metalrdl $coords}] |