algorithmic modeling for Rhino
This component allows you to import shapefiles and to locate and scale them in the Rhino/Grasshopper environment. Heron can be found at food4Rhino.
Hi, dear colleagues. I wonder how to get accurate street borders except offsetting streetaxes toward both sides? Is it possible ever with Heron?
Thanks for following up!
I think I found the problem. The component is not reading open polylines (or wkblinestrings) correctly, but it does read closed polylines (or wkbpolylines) ok. I have posted an update on food4rhino, let me know if the update works for you. Thanks for reporting the bug!
Above is a link to my grasshopper def
The rhino model is just a rectangle, so I didn't bother to include it.
Above is a link to download the shp files reference in my grasshopper def, from my box. These are all publicly available datasets from datasf.org
yes, the curve is planar and on the xy plane. In fact, the component works wonderfully with some shapefiles, and does not output values or feature points with others. I can't tell what the difference is between the files, in that they all open clearly and fine in ArcGIS.
The component requires that the input boundary be flat to the XY plane. Can you verify this is the case?
I'm running into a similar problem.
The input boundary is completely enclosed within shpExtent; however, I'm not getting any data out of the values or feature points outputs. I've opened the file in ArcGIS and confirmed that all the content and data is there.
Is anyone else having this bug? Any advice?Thanks for your help!
It sounds like the input boundary may be outside of the shpExtent. Make sure it is fully within the shpExtent.
Thanks for the tool, it is really amazing!
I am currently trying to import a .shp file containing just lines, no polygons (a river network from OpenStreetMaps). For some reason, whenever I assign the file path to the ImportSHP component, the component calculates correctly, but nothing is output from the featurePoints out.
I checked the shpExtent output, and it correctly outputs a polyline representing the boundaries of the file, but nothing for the points.
Any idea of what the problem could be? Can Heron handle line files at all, or it is though just for polygons?
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