Added some more GSI methods:

* LayoutView#zoom_fit_sel
* ObjectInstPath#layout, ObjectInstPath#dtrans and ObjectInstPath#source_dtrans

src/edt/edt/gsiDeclEdt.cc

@@ -53,6 +53,47 @@ static const db::InstElement &path_nth (const lay::ObjectInstPath *p, unsigned i
   return *e;
 }
 
+static db::Layout *layout_from_inst_path (const lay::ObjectInstPath *p)
+{
+  db::Cell *cell = 0;
+
+  if (p->is_cell_inst ()) {
+    db::Instances *instances = p->back ().inst_ptr.instances ();
+    if (instances) {
+      cell = instances->cell ();
+    }
+  } else {
+    const db::Shapes *shapes = p->shape ().shapes ();
+    if (shapes) {
+      cell = shapes->cell ();
+    }
+  }
+
+  return cell ? cell->layout () : 0;
+}
+
+static db::DCplxTrans source_dtrans (const lay::ObjectInstPath *p)
+{
+  const db::Layout *layout = layout_from_inst_path (p);
+  if (layout) {
+    double dbu = layout->dbu ();
+    return db::CplxTrans (dbu) * p->trans () * db::VCplxTrans (1.0 / dbu);
+  } else {
+    return db::DCplxTrans ();
+  }
+}
+
+static db::DCplxTrans dtrans (const lay::ObjectInstPath *p)
+{
+  const db::Layout *layout = layout_from_inst_path (p);
+  if (layout) {
+    double dbu = layout->dbu ();
+    return db::CplxTrans (dbu) * p->trans_tot () * db::VCplxTrans (1.0 / dbu);
+  } else {
+    return db::DCplxTrans ();
+  }
+}
+
 gsi::Class<lay::ObjectInstPath> decl_ObjectInstPath ("ObjectInstPath",
   gsi::method ("<", &lay::ObjectInstPath::operator<,
     "@brief Provides an order criterion for two ObjectInstPath objects\n"
@@ -108,6 +149,14 @@ gsi::Class<lay::ObjectInstPath> decl_ObjectInstPath ("ObjectInstPath",
     "This property is set implicitly by setting the top cell and adding elements to the instantiation path.\n"
     "To obtain the index of the container cell, use \\source.\n"
   ) + 
+  gsi::method_ext ("layout", &layout_from_inst_path,
+    "@brief Gets the Layout object the selected object lives in.\n"
+    "\n"
+    "This method returns the \\Layout object that the selected object lives in. This method may return nil, if "
+    "the selection does not point to a valid object.\n"
+    "\n"
+    "This method has been introduced in version 0.25.\n"
+  ) +
   gsi::method ("source", &lay::ObjectInstPath::cell_index, 
     "@brief Returns to the cell index of the cell that the selected element resides inside.\n"
     "\n"
@@ -127,6 +176,20 @@ gsi::Class<lay::ObjectInstPath> decl_ObjectInstPath ("ObjectInstPath",
     "This property is set implicitly by setting the top cell and adding elements to the instantiation path.\n"
     "This method is not applicable for instance selections. A more generic attribute is \\source_trans.\n"
   ) + 
+  gsi::method_ext ("dtrans", &dtrans,
+    "@brief Gets the transformation applicable for the shape in micron space.\n"
+    "\n"
+    "This method returns the same transformation than \\trans, but applicable to objects in micrometer units:\n"
+    "\n"
+    "@code\n"
+    "# renders the micrometer-unit polygon in top cell coordinates:\n"
+    "dpolygon_in_top = sel.dtrans * sel.shape.dpolygon\n"
+    "@/code\n"
+    "\n"
+    "This method is not applicable to instance selections. A more generic attribute is \\source_dtrans.\n"
+    "\n"
+    "The method has been introduced in version 0.25.\n"
+  ) +
   gsi::method ("source_trans", &lay::ObjectInstPath::trans,
     "@brief Gets the transformation applicable for an instance and shape.\n"
     "\n"
@@ -139,6 +202,18 @@ gsi::Class<lay::ObjectInstPath> decl_ObjectInstPath ("ObjectInstPath",
     "\n"
     "This method has been added in version 0.16."
   ) + 
+  gsi::method_ext ("source_dtrans", &source_dtrans,
+    "@brief Gets the transformation applicable for an instance and shape in micron space.\n"
+    "\n"
+    "This method returns the same transformation than \\source_trans, but applicable to objects in micrometer units:\n"
+    "\n"
+    "@code\n"
+    "# renders the cell instance as seen from top level:\n"
+    "dcell_inst_in_top = sel.source_dtrans * sel.inst.dcell_inst\n"
+    "@/code\n"
+    "\n"
+    "The method has been introduced in version 0.25.\n"
+  ) +
   gsi::method ("layer", &lay::ObjectInstPath::layer,
     "@brief Gets the layer index that describes which layer the selected shape is on\n"
     "\n"

src/laybasic/laybasic/gsiDeclLayLayoutView.cc

@@ -740,6 +740,11 @@ Class<lay::LayoutView> decl_LayoutView ("LayoutView",
   gsi::method ("zoom_fit", &lay::LayoutView::zoom_fit,
     "@brief Fits the contents of the current view into the window"
   ) +
+  gsi::method ("zoom_fit_sel", &lay::LayoutView::zoom_fit_sel,
+    "@brief Fits the contents of the current selection into the window\n"
+    "\n"
+    "This method has been introduced in version 0.25.\n"
+  ) +
   gsi::method ("zoom_box", &lay::LayoutView::zoom_box,
     "@brief Sets the viewport to the given box\n"
     "\n"

testdata/ruby/edtTest.rb

@@ -158,6 +158,11 @@ class EDT_TestClass < TestBase
     lv.each_object_selected { |o| sel << o }
     assert_equal(sel.size, 1)
     assert_equal(sel[0] == p2, true)
+    assert_equal(sel[0].layout.object_id, ly.object_id)
+    assert_equal(sel[0].trans.to_s, "r0 *1 10,20")
+    assert_equal(sel[0].dtrans.to_s, "r0 *1 0.01,0.02")
+    assert_equal(sel[0].source_trans.to_s, "r0 *1 10,20")
+    assert_equal(sel[0].source_dtrans.to_s, "r0 *1 0.01,0.02")
 
     # without a mouse pointer we can't test more than this:
     assert_equal(lv.has_transient_object_selection?, false)