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Error in clipper: “Invalid Clippee detected, using first coordinate of Clippee.”,


jamal
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Error in clipper: “Invalid Clippee detected, using first coordinate of Clippee.”,

 

 

I wanted to apply the clipper between two hatches (areas) layer but I got the error below

 

 

“Invalid Clippee detected, using first coordinate of Clippee”

 

 

 

 

The first layer is: Boundary_UrbanMasterPlan_HatchType_Design_Compulsory

 

 

 

 

The second layer is: Landuse_UrbanMasterPlan_HatchType_Design_Compulsory

 

 

 

 

Mathematically,

 

 

Roads = Boundary - Landuse

 

 

What might be the issue here?

 

 

Downloads:

 

 

CAD file:

 

http://www.mediafire.com/download/lf3y6k096nj1724/Rojib_Nablus_UrbanMasterPlan_06_X.dwg

 

 

 

Workbench file:

 

http://www.mediafire.com/view/ubkuygxusxpkuk8/Clipper.fmw

 

 

 

Thank you

 

 

Best

 

 

Jamal

5 replies

gio
Contributor
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  • Contributor
  • March 27, 2014
Hi Jamal,

 

 

First of alll when i clip these in fme 2013 it works.

 

 

But it also reveals that your boundary is not well matched with the landuse at the outer edge.

 

Resulting in at least one bad object.

 

 

 

 

Gio

 


jamal
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  • Author
  • March 27, 2014
Thanks GIO,

 

 

I couldn’t figure out why the Boundary polygon and the Landuse polygons should be matched. At the end, I’m subtracting the Landuse polygons from the Boundary polygon.

 

 

 

Separately, the FME recognizes the Boundary polygon (1) and the Landuse polygons (72) as shown in the screenshots below.

 

 

 

 

 

 

 

 

Then why when it comes to apply the “clipper” then it doesn’t work?

 

 


gio
Contributor
Forum|alt.badge.img+15
  • Contributor
  • March 28, 2014
Hi jamal,

 

 

I checked your autocad file in using autocad.

 

I noticed a little area on top hads an eleavation, its has 3 dimensions. Maybe u should filter it out before clipper (or use 2dforcer).

 

 

Matching is to make sure all result objects are viable. Else u get slivers and selfintersecting bits etc.

 

Over 20 objects overlap your boundary...creating slivers and tiny bits.

 

If u dissolve boths layers together and use that as clippee, you have a better result.

 

 

Gio

 


jamal
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  • Author
  • March 29, 2014
Thank you very much GIO for sharing the model. It is very useful.

 

 

Best

 

 

Jamal

jamal
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  • Author
  • March 29, 2014
With same inputs (Landuse and Boundary), the ArcGIS can extract the Roads easily with the commands shown in the model below:

 

 

 

 

 

Why the FME has issues as we need to extract the Roads from the Boundary and Landuse? It ends with the error below as the “clipper”is applied

 

 

“Invalid Clippee detected, using first coordinate of Clippee”

 

 

 


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