Grasshopper

algorithmic modeling for Rhino

Demonstrating the Heron Shapefile Importer

This component allows you to import shapefiles and to locate and scale them in the Rhino/Grasshopper environment. Heron can be found at food4Rhino.

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Comment by Archiheart on November 7, 2016 at 2:59pm

Hi, 

I am absolutely exhilarated by Heron. Seems to be an utterly impressive component. However, I encounter difficulties finding the data necessary for recreating Paris. Did anyone succeed in modeling an European city? 

Thank you beforehand.

Comment by Roman Bablowsky on September 21, 2015 at 7:05am

Hi, dear colleagues. I wonder how to get accurate street borders except offsetting streetaxes toward both sides? Is it possible ever with Heron?

Comment by Naveed Namaky on August 24, 2015 at 10:05am

That worked!

Thanks for following up!

Great tool

Comment by Brian Washburn on August 21, 2015 at 6:02pm

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!

Comment by Naveed Namaky on August 21, 2015 at 1:54pm

https://app.box.com/s/tuwsuovmcg94nd01933r2sxcliosfu6j

Above is a link to my grasshopper def

The rhino model is just a rectangle, so I didn't bother to include it.

Comment by Naveed Namaky on August 21, 2015 at 1:52pm

https://app.box.com/s/qli2s6i4dcpoe4jrfhez5wsummc1ughi

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

Comment by Naveed Namaky on August 21, 2015 at 1:32pm

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.

Comment by Brian Washburn on August 21, 2015 at 11:00am

The component requires that the input boundary be flat to the XY plane.  Can you verify this is the case?

Comment by Naveed Namaky on August 21, 2015 at 10:34am

Hi guys,

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!

Comment by Brian Washburn on July 29, 2015 at 12:32pm

It sounds like the input boundary may be outside of the shpExtent.  Make sure it is fully within the shpExtent.

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