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I am using surfaceModeller to generate TIN surfaces,I need them to be stacked as they represent various height and they have to be like that.
Triangulation and draping work ok,the only thing I would like to remove are the contours on the side.
See image of the pdf as example of output.I already tried a negative buffer but it does not work as it removes also some internal contours that I would like to keep.
Could anyone help?
Hi@alex_chris,
You can use a Clipper transformer to trim the side contours.To generate,the clip boundary,please try a HullReplacer transformer on the source points,then a Bufferer to shrink the hull polygon slightly inside the points.You seem to have three point sets in your source - I would recommend doing the process separately for each set.
Hi@daveat亚搏在线safe,thanks for your response.I managed to get the side contours out of the way.I replaced TIN Generator with Surface modeller,and before sending the raster to become TIN I clip with a slightly negative buffer the clipper,and submit it to the SurfaceModeller in the drapeFeatures port.After that,I get the outputs from the SurfaceModeller separately (Triangles,Draped features) and I clip them again,using the draped features as clippers and the triangles as clippee.
It was inspired by this article.
https://knowledge.亚搏在线safe.com/articles/1310/how-to-clip-tin-surfaces.html
Here is a screenshot of the detail of the 亚搏在线workflow (The attribute managers are there because I have to re-set the "fme_feature_type" attribute that for some reasons it gets lost (but that's another issue)
Now as you are here@daveat亚搏在线safe,I have another issue exporting to PDF 3D,basically labels don't get written to the output and they show up as squares.I post an example of PDF so that you can have a look.
In the inspector I can see the labels show up but when FME tries to write to PDF3D the following warning appears in the log:
...Last line repeated 154 times ...OBJ Writer: Unknown geometry type 'IFMEText' is not supported,the feature will not be written...Last line repeated 59 times ...OBJ Writer: Unknown geometry type 'IFMEText
Could you or anyone else help on that?
Thanks
Hi@alex_chris,
PDF 3D doesn't support text geometries.However,you can convert these to 3D surfaces using a combination of the TextStroker and Extruder transformers.
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