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Questions tagged [extrude]

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Modeling hole in DEM using QGIS?

I have a DEM raster. I have a polygon representing a hole. How do I combine the two, so that I have a new DEM whose elevation, in the area bounded by the polygon, has been adjusted according to ...
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0answers
21 views

Creating 3D polygon extrusions with negative values, so they cut down into map instead of rising out of it?

I'm looking to model a ditch, and the ability to extrude polygons down instead of up would be really helpful, but I can't find a way to do it. Negative values for the height don't seem possible.
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0answers
64 views

How to export “solid” 3D objects from QGIS to DXF?

I work in architecture and we often have to create urban contexts for our projects which involves obtaining a building footprint file and then extruding them by hand. I have attempted to use QGIS (v3....
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1answer
32 views

ArcScene Extrusion Is not proportioned correctly?

I am new to ArcScene so I have no idea what I am doing. In ArcGIS Desktop I have a buildings layer that I would like to make into 3D. I created a field in ArcGIS Desktop with the building heights ...
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1answer
80 views

Geotools creating polyhedral surfaces from polygons

I have polygon geometries that represent building footprints in a shapefile and I want to extrude them according to an attribute "height" and turn them 3B objects as polyhedral surfaces via extrusion. ...
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2answers
182 views

Uploading 3D Buildings with Textures to ArcGIS Online

I'm doing a small project where I want to create 3D buildings from building footprints. I have acquired the heights of each building and have extruded them in ArcScene. Then I use Layer 3D to feature ...
7
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1answer
430 views

Extrusion of 2d building footprints according to heights using python

I have 2d building footprints as polygonz geometries and building heights as attribute. I want to extrude them according to height values and generate building surfaces and polyhedral building records....
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2answers
668 views

How can I create a fill beneath my 3D surface in ArcScene?

I came across this image on http://desktop.arcgis.com/en/arcmap/latest/extensions/3d-analyst/choosing-the-3d-display-environment.htm I would like to create something similar that shows the below ...
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0answers
25 views

Removing the gaps when extruding lines

I am using ArcGIS 10.2.2 I was wondering if there is a way to fill the gaps that appear when extruding line shapefiles? My shapefile lies on top of a DEM: When using the extrusion option "using it ...
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3answers
328 views

How to extrude a polygon in a slope in CityEngine

I am going to extrude polygons in slope using CityEngine and would like to have horizontal roofs. As you know, when you extrude a polygon in slope, a sloped roof is generated. But in reality buildings ...
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0answers
56 views

ArcScene Extruding between constant TIN's to calculate bed volume within oil window?

I don't seem to be able to extrude between two TINs created from constant rasters. Will the extrusion tool not work between TINs which are copied and pasted and altered in position by me after their ...
2
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1answer
1k views

Multipatch footprint of Sun Shadow Volume in ArcScene (removal of below ground shadows)

I am new to using ArcScene and encountered a problem in my analysis. I want to calculate shadows in the city center of Utrecht on different times and days. Subsequently I want to transform these ...
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1answer
1k views

Extruding a 3D stack of polygons on top of a map, e.g. with KML

I have data for the composition of rock layers in several polygons on earth. I would like to plot a stacked chart of the rock layers, colored based on layer metadata. Here's a mockup, where rock ...
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1answer
661 views

Adding Texture to the sides of an extruded polygon in ArcScene

I've been using ArcScene 10.2.2 to create simple extrusions of building footprints and now would like to add textures to them to make them more realistic. I want to add textures to the sides of the ...
2
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0answers
196 views

Making extruded polygons transparent

Is there a way to make an extruded polygon transparent. I've tried going to the properties and changing the transparency but the polygon still looks like a solid block. I have an extruded polygon and ...
7
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1answer
280 views

Both-sided transparency in ArcScene for extruded features

I'd like to extrude my polylines and make them transparent, but from both sides. As you can see below, the transparency works only on one side. I think it's something with the side-orientation. I can ...
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1answer
388 views

Applying Extrude Expressions to Multiple Layers/Shapefiles in Arcscene? Python script

I have 100 shapefiles of cities with census tracts that I need to be extruded to certain values. I already have the shapefiles set up the way they need to be and would like to avoid manually opening ...
3
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1answer
221 views

Is extrusion of a line (which is curved) into a plane at a certain angle possible in ArcGIS?

I have a polyline shape file which is a fault trace on earth's surface. I want to extrude this into a 3-D plane at a certain angle (which is dip angle of the fault). However, the extruded plane ...
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0answers
333 views

How can I extrude a polygon “below” a base height?

I am creating some animations and short movies in ArcScene showing how a number of disparate datasets relate to one another. In one of these movies my "big finish" is to extrude a number of polygons "...
11
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1answer
779 views

Postgis - extrude a polygon

I want to extrude a polygon shape in postgis to create a pseudo 3D effect. To this end I have written a crude function to achieve it. This is very much test code and it creates a new Y vertice for ...
1
vote
1answer
255 views

Extrude in FME for lines

I tried to extrude walls in FME from chopped lines (2 vertices). I am using ground height to extrude. The middle portion of the lines for the building slope roof is not extruding correctly.
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3answers
1k views

Extrude Shapefile to KML based on field value

I would like to extrude shapefile polygons to a KML based on a value stored in the attribute table. I am hoping to do this using open source software (QGIS, FWTools, GDAL, etc.). I looked at ogr2ogr ...