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Mr.Wizard
Mr.Wizard
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My question is concerned with the Graph functionality, which was newly implemented in Mathematica 8. I already used GraphPlot and LayeredGraphPlot in the previous versions and in principle appreciate the new capabilities. However, I still wonder if the current implementation is complete. E.g. in the code below, I try to use VertexCoordinates for each vertex, which according to the documentation for Graph, should work.

vertices1 = {Property[
    1Property[1, {VertexCoordinates -> {0, 3}, VertexSize -> 0.3}],
   Property[2, VertexCoordinates -> {1, 2}],
   Property[3, VertexCoordinates -> {3, 3}]
 };

Graph[vertices1, {1 \[UndirectedEdge] 2, 2 \[UndirectedEdge] 3},  GraphLayout -> {"LayeredDrawing", "LayeredLeft"}]

Other Options within Property, e.g. VertexSize, work correctly. VertexCoordinates has no effect whatsoever. VertexCoordinates will work as an option for Graph, but not as a Property for a particular vertex.

My other concern relates to GraphLayout and in particular to the Suboption "PackingLayout", which also seems to have no influence whatsoever. E.g. if I use "LayeredDrawing", the Suboptions "LayeredLeft" or "LayeredTop" create the same Graph.

What is your experience?

My question is concerned with the Graph functionality, which was newly implemented in Mathematica 8. I already used GraphPlot and LayeredGraphPlot in the previous versions and in principle appreciate the new capabilities. However, I still wonder if the current implementation is complete. E.g. in the code below, I try to use VertexCoordinates for each vertex, which according to the documentation for Graph, should work.

vertices1 = {Property[
    1, {VertexCoordinates -> {0, 3}, VertexSize -> 0.3}],
   Property[2, VertexCoordinates -> {1, 2}],
   Property[3, VertexCoordinates -> {3, 3}]};

Graph[vertices1, {1 \[UndirectedEdge] 2, 2 \[UndirectedEdge] 3},  GraphLayout -> {"LayeredDrawing", "LayeredLeft"}]

Other Options within Property, e.g. VertexSize, work correctly. VertexCoordinates has no effect whatsoever. VertexCoordinates will work as an option for Graph, but not as a Property for a particular vertex.

My other concern relates to GraphLayout and in particular to the Suboption "PackingLayout", which also seems to have no influence whatsoever. E.g. if I use "LayeredDrawing", the Suboptions "LayeredLeft" or "LayeredTop" create the same Graph.

What is your experience?

My question is concerned with the Graph functionality, which was newly implemented in Mathematica 8. I already used GraphPlot and LayeredGraphPlot in the previous versions and in principle appreciate the new capabilities. However, I still wonder if the current implementation is complete. E.g. in the code below, I try to use VertexCoordinates for each vertex, which according to the documentation for Graph, should work.

vertices1 = {
   Property[1, {VertexCoordinates -> {0, 3}, VertexSize -> 0.3}],
   Property[2, VertexCoordinates -> {1, 2}],
   Property[3, VertexCoordinates -> {3, 3}]
 };

Graph[vertices1, {1 \[UndirectedEdge] 2, 2 \[UndirectedEdge] 3},  GraphLayout -> {"LayeredDrawing", "LayeredLeft"}]

Other Options within Property, e.g. VertexSize, work correctly. VertexCoordinates has no effect whatsoever. VertexCoordinates will work as an option for Graph, but not as a Property for a particular vertex.

My other concern relates to GraphLayout and in particular to the Suboption "PackingLayout", which also seems to have no influence whatsoever. E.g. if I use "LayeredDrawing", the Suboptions "LayeredLeft" or "LayeredTop" create the same Graph.

What is your experience?

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Ernst Stelzer
Ernst Stelzer
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Graph does not accept Property Options

My question is concerned with the Graph functionality, which was newly implemented in Mathematica 8. I already used GraphPlot and LayeredGraphPlot in the previous versions and in principle appreciate the new capabilities. However, I still wonder if the current implementation is complete. E.g. in the code below, I try to use VertexCoordinates for each vertex, which according to the documentation for Graph, should work.

vertices1 = {Property[
    1, {VertexCoordinates -> {0, 3}, VertexSize -> 0.3}],
   Property[2, VertexCoordinates -> {1, 2}],
   Property[3, VertexCoordinates -> {3, 3}]};

Graph[vertices1, {1 \[UndirectedEdge] 2, 2 \[UndirectedEdge] 3},  GraphLayout -> {"LayeredDrawing", "LayeredLeft"}]

Other Options within Property, e.g. VertexSize, work correctly. VertexCoordinates has no effect whatsoever. VertexCoordinates will work as an option for Graph, but not as a Property for a particular vertex.

My other concern relates to GraphLayout and in particular to the Suboption "PackingLayout", which also seems to have no influence whatsoever. E.g. if I use "LayeredDrawing", the Suboptions "LayeredLeft" or "LayeredTop" create the same Graph.

What is your experience?