--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/+multiblock/Def.m	Mon Aug 07 09:57:03 2017 +0200
@@ -0,0 +1,89 @@
+classdef Def
+    properties
+        nBlocks
+        blockMaps % Maps from logical blocks to physical blocks build from transfinite interpolation
+        blockNames
+        connections % Cell array specifying connections between blocks
+        boundaryGroups % Structure of boundaryGroups
+    end
+
+    methods
+        % Defines a multiblock setup for transfinite interpolation blocks
+        % TODO: How to bring in plotting of points?
+        function obj = Def(blockMaps, connections, boundaryGroups, blockNames)
+            default_arg('boundaryGroups', struct());
+            default_arg('blockNames',{});
+
+            nBlocks = length(blockMaps);
+
+            obj.nBlocks = nBlocks;
+
+            obj.blockMaps = blockMaps;
+
+            assert(all(size(connections) == [nBlocks, nBlocks]));
+            obj.connections = connections;
+
+
+            if isempty(blockNames)
+                obj.blockNames = cell(1, nBlocks);
+                for i = 1:length(blockMaps)
+                    obj.blockNames{i} = sprintf('%d', i);
+                end
+            else
+                assert(length(blockNames) == nBlocks);
+                obj.blockNames = blockNames;
+            end
+
+            obj.boundaryGroups = boundaryGroups;
+        end
+
+        function g = getGrid(obj, varargin)
+            ms = obj.getGridSizes(varargin{:});
+
+            grids = cell(1, obj.nBlocks);
+            for i = 1:obj.nBlocks
+                grids{i} = grid.equidistantCurvilienar(obj.blockMaps{i}.S, ms{i});
+            end
+
+            g = multiblock.Grid(grids, obj.connections, obj.boundaryGroups);
+        end
+
+        function show(obj, label, gridLines, varargin)
+            default_arg('label', true)
+            default_arg('gridLines', false);
+
+            if ~label && ~gridLines
+                for i = 1:obj.nBlocks
+                    obj.blockMaps{i}.show(2,2);
+                end
+                axis equal
+                return
+            end
+
+            if gridLines
+                ms = obj.getGridSizes(varargin{:});
+                for i = 1:obj.nBlocks
+                    obj.blockMaps{i}.show(ms{i}(1),ms{i}(2));
+                end
+            end
+
+            if label
+                for i = 1:obj.nBlocks
+                    parametrization.Ti.label(obj.blockMaps{i}, obj.blockNames{i});
+                end
+            end
+
+            axis equal
+        end
+    end
+
+    methods (Abstract)
+        % Returns the grid size of each block in a cell array
+        % The input parameters are determined by the subclass
+        ms = getGridSizes(obj, varargin)
+        % end
+    end
+
+end
+
+