Questions tagged [civil3d]

Autodesk AutoCAD Civil 3D

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Create catchments/subbasins for specific nodes

I have an XPSWMM model of a neighborhood storm drainage system. Nearly all of the drainage is above ground through a network of ditches and culverts. I still need to create catchments for the ...
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28 views

Construction Lines offset when added to fabric

We use geo-positioned CAD data then copy paste survey accurate data into our Parcel Fabric. When we convert them to new parcels, the points move off the correct location by two to 5 feet. What ...
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16 views

JAXA data 30x30 meter to 3D dxf/dwg [duplicate]

I imported JAXA data in QGIS 3.4.5 as a raster. I can extract contours etc., but when I export the contours to DXF all elevations are set to 0. Is there a way to keep the 3D data so I can use it for ...
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17 views

Does Civil3D provide facility to write plugin that handles drainage and sewerage network analysis?

I'm developing software for a client who uses Civil3D for earthwork and quantity volume calculation. The same client also want to do drainage and sewerage analysis, however, the Autodesk provided ...
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49 views

What is the difference between these coordinate systems for New Brunswick

AutoCAD Civil 3D has two coordinate reference systems that I've identified for use in New Brunswick, Canada: CANST-NB83-CSRS and CANST-NB-ATS How do they differ?
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79 views

Unable to edit geometry into database using PostGIS connection in Civil 3D

I have prepared a set of tables (in PostgreSQL) in database with unique geometry types (point, line, polygons) for survey work. I am using Autodesk Civil 3D to edit the geometries in the tables but ...
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0answers
28 views

Misaligned .dem from Civil 3D into ArcMap

Imported 3 .dem files from a Civil 3D file. The two surfaces(topographic maps) fit correctly into my ArcMap file but the third surface, a bathymetric contour, seems to be misaligned and the scaled too ...
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71 views

CAD Equivalent of Maplex and VBScript for Labeling

Is there a CAD equivalent of maplex functionality and VBScript usage to produce custom labels? I'm pulling a shapefile into CAD, but not sure what support there is to intelligently label the ...
2
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1answer
760 views

How can I merge 30 lines from a kml into 1 shp in Qgis?

I have almost the same question that was solved here (How to merge multiple KML points into one file?) but I cannot find the same options as the solution (https://gis.stackexchange.com/a/231506/96160)....
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0answers
45 views

Data interchange between Civil3D 2016 and QGIS 2.18

Does anyone have examples of good practice for dynamic interchanging of data between QGIS and Civil3D? Specifically, importing vector shapes from QGIS into Civil3D (and occasionally vice versa). I ...
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196 views

How to import tiff files and generate contours in QGIS?

Very new to GIS, Just learning QGIS from product manuals and online resources. I have 2 .tif files of a regional municipality. I have another 3-4 files ( AutoCAD) which are survey files. I have ...
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1answer
711 views

Coordinate System Assigmment and scale factors

I'm a bit unclear on what exactly assigning a coordinate system does in the model space of autocad (we are using 2015 civil 3d). Our local county coordinate systems have a scale factor associated to ...
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1answer
695 views

How do I get dwg file in Autocad Civil 3D to align with a georeferenced shapefile and attach coordinate system?

I am working on a project mapping Rockingham castle for a event help there in August and am mapping the layout and camping area. I'm looking at taking over from the person previously performing this ...
4
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1answer
334 views

Converting from one Transverse Mercator based system to another produces inconsistencies?

As a civil engineer, the one semester of survey training we had leaves my knowledge quite lacking in the field of coordinate systems. We're working on a project based in Gabon and we get information ...
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0answers
231 views

SAGA GIS - raster image from Civil 3D

I am a new user of SAGA GIS software. I need to interface the Civil 3D 2015 and Hec Ras software in order to create a flooding map. In order to put in communication the two softwares, I have to use ...
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0answers
402 views

Civil 3D and the File Geodatabase [closed]

Is there a way to use File Geodatabases and Feature Classes, not just Shapefiles, in AutoCAD Civil 3D 2011 and any newer versions (i.e. 2013 and 2015)?
2
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1answer
1k views

Cross sections of two surfaces in Civil 3D

In Civil 3D I have calculated the volume between two surfaces. I would like to have corresponding cross sections of the first and second surface for all the study area. "Create superimposed profile" ...
1
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1answer
337 views

How to remove terracing from Civil3D GeoTIFF export?

I've received a GeoTIFF DEM that was exported from Civil3D and at every contour there is a distinct terrace created when I process an aspect or slope in QGIS with the GRASS plugins. I've looked ...
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2answers
3k views

Import Civil 3D DEM to ArcMap or QGIS

I have some survey data exported from Civil 3D in both dtm and dem formats. I thought the I would be able to use the dem more easily, but I think the format is different from a USGS DEM. Is it ...
1
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2answers
591 views

pdf creator software to interface with Civil 3D

I've experienced a number of problems with various pdf Creator packages throughout my career, especially with different versions of AutoCAD I've used. For example, blobby, illegible text upon export ...
2
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1answer
1k views

Advice on which version of AutoCAD to purchase

I am starting a consulting agengy and I need to determine what my best interests are regarding the purchase of AutoCAD software. I have great faith in the more reputable users on this site, and I'm ...