Support Forum
Layer numbers with DXF format
User
LayoutEditorReduced
Friday 14th April 2023 While using the DXF format for saving (and loading) layout designs, the layers numbers do not seem to remain fixed - merely randomly re-generated. Is this observation generally correct: DXF does not retain layer numbers? Is there any method to control this in LayoutEditor? How does LayoutEditor define the layer numbers, while opening a DXF file? Cannot be really random? In this forum, there was a discussion Dec2018-Apr2019, regarding the automapping:On/Off option for GDS and OASIS formats. Is it so that similar control over layer-numbers behaviour is not available for DXF?
LayoutEditorReduced
Friday 14th April 2023 While using the DXF format for saving (and loading) layout designs, the layers numbers do not seem to remain fixed - merely randomly re-generated. Is this observation generally correct: DXF does not retain layer numbers? Is there any method to control this in LayoutEditor? How does LayoutEditor define the layer numbers, while opening a DXF file? Cannot be really random? In this forum, there was a discussion Dec2018-Apr2019, regarding the automapping:On/Off option for GDS and OASIS formats. Is it so that similar control over layer-numbers behaviour is not available for DXF?
Jürgen
LayoutEditorFull
Friday 14th April 2023 You are right. DXF can not store layer number. It uses layer names. When opening a DXF it is firstly check whether a layer with the used DXF name exists. If so, this layer number is used. Then is it check if the layer name contains a number, then this layer number is used. e.g. 'L12' will store the named layer as LayoutEditor layer number 12. Finally, the first unused layer is used. When saving a DXF it is ether used the layer name of the LayoutEditor or the layer number. This can be set in the setup.
LayoutEditorFull
Friday 14th April 2023 You are right. DXF can not store layer number. It uses layer names. When opening a DXF it is firstly check whether a layer with the used DXF name exists. If so, this layer number is used. Then is it check if the layer name contains a number, then this layer number is used. e.g. 'L12' will store the named layer as LayoutEditor layer number 12. Finally, the first unused layer is used. When saving a DXF it is ether used the layer name of the LayoutEditor or the layer number. This can be set in the setup.
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