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Converting DWG surface to line feature class in file geodatabase using FME?

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0

I have a DWG file with autocad_surfaces.

I want to export these to a line, so that I can use it in ArcGIS Pro.

How can I convert the features from surfaces to lines in an ArcGIS File Geodatabase using FME 2018?

file-geodatabase fme dwg surface

share|improve this question

edited Apr 8 at 12:09

PolyGeo♦

54k1782246

asked Apr 8 at 10:35

birksbirks

1088

add a comment | 

0

I have a DWG file with autocad_surfaces.

I want to export these to a line, so that I can use it in ArcGIS Pro.

How can I convert the features from surfaces to lines in an ArcGIS File Geodatabase using FME 2018?

file-geodatabase fme dwg surface

share|improve this question

edited Apr 8 at 12:09

PolyGeo♦

54k1782246

asked Apr 8 at 10:35

birksbirks

1088

add a comment | 

I have a DWG file with autocad_surfaces.

I want to export these to a line, so that I can use it in ArcGIS Pro.

How can I convert the features from surfaces to lines in an ArcGIS File Geodatabase using FME 2018?

file-geodatabase fme dwg surface

share|improve this question

edited Apr 8 at 12:09

PolyGeo♦

54k1782246

asked Apr 8 at 10:35

birksbirks

1088

share|improve this question

edited Apr 8 at 12:09

PolyGeo♦

54k1782246

asked Apr 8 at 10:35

birksbirks

1088

share|improve this question

edited Apr 8 at 12:09

PolyGeo♦

54k1782246

asked Apr 8 at 10:35

birksbirks

1088

edited Apr 8 at 12:09

PolyGeo♦

54k1782246

edited Apr 8 at 12:09

PolyGeo♦

54k1782246

asked Apr 8 at 10:35

birksbirks

1088

asked Apr 8 at 10:35

birksbirks

1088

1 Answer
1

active

oldest

votes

1

Well the key issue there is that a surface is a continuous area of measurements, whereas a line is a series of discrete points. So there has to be a decision on how you want to extract points from that surface, and how you want them to be joined together.

I suspect the transformer to use is the SurfaceModeller. Point the surface feature(s) into the Points/Lines input port. Then take the output from maybe the Contours output port, or the VertexPoints (and then join them together with a LineBuilder transformer).

Those methods would give you irregular lines. The other solution is to take the DEMRaster output and use a RasterCellCoercer to turn that into points. Then you have a regular DEM grid, which again you could use the LineBuilder to join up.

However, I would question why you need to turn this into lines, just to get this into a different format. As far as I know, File Geodatabase does support surface-type geometries. So there shouldn't be a need to convert the geometry type so radically, just to get the data in there (of course, if you need the data in a different geometry to carry out a different action on it, that's fine).

share|improve this answer

answered Apr 8 at 14:52

Mark IrelandMark Ireland

9,87732760

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Thank you. I will try this out. I want it to become the centerline of the surface so that I can represent it in a GIS-database which stores pipe centerlines.
  
  – birks
  Apr 9 at 11:18
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  There's a CentreLineReplacer transformer, but you'll need to get the data from a surface into a polygon before you could use that. I don't think it would work on a surface.
  
  – Mark Ireland
  Apr 9 at 14:24
  

  
  
  
  

add a comment | 

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1

Well the key issue there is that a surface is a continuous area of measurements, whereas a line is a series of discrete points. So there has to be a decision on how you want to extract points from that surface, and how you want them to be joined together.

I suspect the transformer to use is the SurfaceModeller. Point the surface feature(s) into the Points/Lines input port. Then take the output from maybe the Contours output port, or the VertexPoints (and then join them together with a LineBuilder transformer).

Those methods would give you irregular lines. The other solution is to take the DEMRaster output and use a RasterCellCoercer to turn that into points. Then you have a regular DEM grid, which again you could use the LineBuilder to join up.

However, I would question why you need to turn this into lines, just to get this into a different format. As far as I know, File Geodatabase does support surface-type geometries. So there shouldn't be a need to convert the geometry type so radically, just to get the data in there (of course, if you need the data in a different geometry to carry out a different action on it, that's fine).

share|improve this answer

answered Apr 8 at 14:52

Mark IrelandMark Ireland

9,87732760

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Thank you. I will try this out. I want it to become the centerline of the surface so that I can represent it in a GIS-database which stores pipe centerlines.
  
  – birks
  Apr 9 at 11:18
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  There's a CentreLineReplacer transformer, but you'll need to get the data from a surface into a polygon before you could use that. I don't think it would work on a surface.
  
  – Mark Ireland
  Apr 9 at 14:24
  

  
  
  
  

add a comment | 

1

Well the key issue there is that a surface is a continuous area of measurements, whereas a line is a series of discrete points. So there has to be a decision on how you want to extract points from that surface, and how you want them to be joined together.

I suspect the transformer to use is the SurfaceModeller. Point the surface feature(s) into the Points/Lines input port. Then take the output from maybe the Contours output port, or the VertexPoints (and then join them together with a LineBuilder transformer).

Those methods would give you irregular lines. The other solution is to take the DEMRaster output and use a RasterCellCoercer to turn that into points. Then you have a regular DEM grid, which again you could use the LineBuilder to join up.

However, I would question why you need to turn this into lines, just to get this into a different format. As far as I know, File Geodatabase does support surface-type geometries. So there shouldn't be a need to convert the geometry type so radically, just to get the data in there (of course, if you need the data in a different geometry to carry out a different action on it, that's fine).

share|improve this answer

answered Apr 8 at 14:52

Mark IrelandMark Ireland

9,87732760

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Thank you. I will try this out. I want it to become the centerline of the surface so that I can represent it in a GIS-database which stores pipe centerlines.
  
  – birks
  Apr 9 at 11:18
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  There's a CentreLineReplacer transformer, but you'll need to get the data from a surface into a polygon before you could use that. I don't think it would work on a surface.
  
  – Mark Ireland
  Apr 9 at 14:24
  

  
  
  
  

add a comment | 

Well the key issue there is that a surface is a continuous area of measurements, whereas a line is a series of discrete points. So there has to be a decision on how you want to extract points from that surface, and how you want them to be joined together.

I suspect the transformer to use is the SurfaceModeller. Point the surface feature(s) into the Points/Lines input port. Then take the output from maybe the Contours output port, or the VertexPoints (and then join them together with a LineBuilder transformer).

Those methods would give you irregular lines. The other solution is to take the DEMRaster output and use a RasterCellCoercer to turn that into points. Then you have a regular DEM grid, which again you could use the LineBuilder to join up.

However, I would question why you need to turn this into lines, just to get this into a different format. As far as I know, File Geodatabase does support surface-type geometries. So there shouldn't be a need to convert the geometry type so radically, just to get the data in there (of course, if you need the data in a different geometry to carry out a different action on it, that's fine).

share|improve this answer

answered Apr 8 at 14:52

Mark IrelandMark Ireland

9,87732760

share|improve this answer

answered Apr 8 at 14:52

Mark IrelandMark Ireland

9,87732760

answered Apr 8 at 14:52

Mark IrelandMark Ireland

9,87732760

answered Apr 8 at 14:52

Mark IrelandMark Ireland

9,87732760