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Geographic Information Systems

Questions tagged [cad]

Computer-aided design (CAD),also known as computer-aided drafting (CAD) or computer-aided design and drafting (CADD), is the use of computer systems to assist in the creation, modification, analysis, or optimization of a design.

133 questions
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enable Advanced Digitizing Panel (cadDockwidget) with PyQgis

I am working on a PyQgis Plugin where I want to enable cad in advanced digitizing panel. Following pre-conditions are met: layer is in edit mode project has projected crs move feature tool is ...
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27 views

CadTools not supported in new versions

cadtools won't install under this version of QGIS 3.4.0, what spline tools will be available in QGIS, or do we just uninstall?
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16 views

CAD file creation in custom software

I've worked a little with basic exporting of CAD .DXF files from our software using GDAL. We want to do more sophisticated things, like importing and creating georeferenced files with multiple layers,...
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51 views

Read DGN file - openlayers

I'm working on web app that uses openlayers 3.10. Is there any way to add DGN file to openlayers map?
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1answer
82 views

Calculate Central Meridian Offset for Custom Projection of CAD File

I need to align an unprojected CAD file in ArcMap. I know how to adjust the False Easting and Northing, but this CAD file also has a rotation issue. I already adjusted the Central Meridian from -76.0 ...
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3answers
264 views

Convert dwg (CAD) to shp in any open source GIS software?

I would like to do what's needed in a GIS (GRASS, QGIS, etc) alone, no other converters-only. The process is to read the dwg files that would be located in a folder and read them as shp and perform ...
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18 views

Ogr2Ogr DXF (CAD) format conversion: set units to feet?

I'm exporting data in state plane coordinate system to DXF: ogr2ogr -f 'DXF' outfile.dxf infile.shp The units of the projection are feet, but the DXF exporter sets the $INSUNITS to inches (1). I can ...
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40 views

PCS and GCS aligned but XY coordinate values not. ArcMap .dwg to .shp conversion [duplicate]

I have converted a .dwg to a .shp using the CAD2SHP app. I made sure that there would not be a .prj file when I did the conversion. Defined projection once I opened up the file in Arc as a .shp. Then ...
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131 views

Convert GeoTIFF to DWG

I like to convert a georeferenced tif-file into a dwg-drawing. At first I convert the raster into a polygon. The result is Grey-coloured picture When I "Export to CAD" the polygon it is still Grey. ...
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61 views

Covert Multipatches to Shapefile and back to Multipatch

I'm working with ArcMap 10.3.1. I want to convert a CAD-Drawing including Multipatches to Shapefiles and reconvert them. After reconverting there are hundreds of circles. This Problem is a result of ...
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1answer
215 views

Convert multiple lines into a polygon in QGIS

I am working on a huge CAD-map that I am supposed to convert into a GIS map. Currently I am trying to convert the symbols used for survey points (see below) into polygons, of which I could calculate a ...
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1answer
551 views

Assign z values to depth curves in QGIS

I'm new to QGIS and working with GIS in general (student of architecture), so please bear with me. I have obtained shapefiles with topographic curves of an ocean floor. My intention is to export ...
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42 views

Import CAD Annotation into an existing Geodatabase Annotation Feature Class?

I'm using ArcGIS Desktop 10.5.1, and I need to automate (with Python using arcpy) importing the annotation of many DWG files into the same file geodatabase annotation feature class. I can't use the ...
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1answer
81 views

Export to CAD: How to prevent ArcGIS Pro 2.01 from adding results to Map/TOC?

How can I prevent ArcGIS Pro 2.01 from adding "Export to CAD" results to Map/TOC? This is easily done in legacy ArcGIS Desktop in Geoprocessing options and unchecking the "Add results of ...
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36 views

Converting CAD Annotation to geodatabase feature class using ArcPy?

Is there a way to list through DWG and pick out let's say only the annotations and feed them into a geoprocessing tool? Similar to below in a feature class... for ds in datasets: #Finds ...
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1answer
22 views

Prevent Export to CAD to add exported data to the map

Is there a way to prevent ArcMap from automatically adding Export to CAD results to the current map? Export Data gives you the choice when the operation is completed but Export to CAD does not.
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48 views

Convert AutoCAd file (.dwg) to shapefile [duplicate]

I have a CAD file to convert into shapefile. Unfortunately, I don't have access to AutoCAD, MapInfo or ArcGIS atm. All I have access to is QGIS. I'll need to convert this CAD file to shapefile to be ...
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0answers
249 views

Export object data from CAD to Shp

I am using the tool Feature Class to Feature Class to export polygons from a CAD File. An example piece of data in CAD looks like this: My problem is that I am unable to export any of the object ...
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1answer
157 views

Converting multiple drawing files to shapefiles

I have multiple dwg files and I need to convert them from CAD file to shapefile using Arcpy. I am trying to export each layer in .dwg file (i.e. annotation, point, polygon, polyline and Multipath ...
2
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1answer
195 views

Convert CAD to graphics for layout template in ArcGIS

I've received a CAD template and need to use this as an ArcGIS layout template. I can go to layout view in ArcGIS and "convert features to graphics" as suggested in this answer. This answer suggests ...
2
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1answer
509 views

ogr2ogr dwg CAD file to postgres

I am attempting to load a CAD .dwg file into a postgreSQL database using ogr2ogr. this is the command ogr2ogr -f PostgreSQL "PG:host=localhost user=postgres password=*** dbname=jaffe" C:\Users\...
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39 views

DXF Export contains additional layer 2216

I am exporting my QGIS layers using this (see image below): I am using QGIS 2.8.0 and CAD 2013. The layers are correctly showing when i open my dxf file in CAD but surprisingly same operation is ...
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1answer
417 views

From DWG to Shapefile: How to extract the channels length of water courses?

I have a DWG file with the drainage system of a small town. I need to open it on ArcGIS and get the total length of the channels that are part of one of the watersheds in the city. When I convert the ...
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2answers
267 views

Export QGIS Print Composer to CAD

Is there a way to import a .qpt file to a CAD software? Explaining: I just finished a print composer for my project in QuantumGIS but I have a collegue that only works with AutoCAD, and he is the ...
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1answer
75 views

CAD vs GIS projection file text - result is a “custom” projection in ArcGIS Desktop?

Do the differences between these numbers below (i.e. Standard_Parallel_1 & _2) matter at all when importing a .shp file exported from AutoCAD. We were thinking we used to just import .shp files ...
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2answers
195 views

arcpy.ListDatasets will not read CAD files as datasets

I am essentially running this script but for my own data. The problem I am having is that the ListDatasets command is not recognizing the CAD .dwg files as datasets (as it should). It returns a 'None'...
4
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1answer
105 views

Debugging ArcPy error 000258?

I have written a script that searches through microstation CADD files, finds ones that conform to a certain naming convention, and pulls them into a geodatabase using the CADtoGeodatabase tool. This ...
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2answers
632 views

Drawing and Editing in QGIS

Is it possible to carry out vector editing functions in QGIS? In this case I have an imported shapefile of contour lines. I wish to be able to create a copy of a line, in-situ, trim it, then create a ...
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2answers
202 views

Use FME to know if CAD file is 2D or 3D

I have CAD files from AutoCAD and from MicroStation. I need to know if it's 2D or 3D. I have FME at my disposal. How can I know if it's 2D or 3D in FME?
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330 views

Exporting Data to CAD crashes ArcMap?

I am using ArcGIS Desktop 10.3 and I always do the following when I want to convert any shp from the GIS to the Autocad: Data > export to CAD , it converts very smoothly and things work on. This time ...
2
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0answers
44 views

How can we convert CAD schematic diagrams to ArcGIS geodatabase [closed]

I have been working on an assignment where I am supposed to convert some CAD schematic diagrams to GIS features and load them to a Geo database. Had it been a simple cad file (non schematic) I could ...
2
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1answer
142 views

Georeferencing CAD drawing against point data and/or raster image?

I am working on a project to identify households within certain buffer areas of a proposed water pipeline. I have raster imagery of the area of interest, point data for the households, and a CAD ...
3
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3answers
364 views

Projecting a dxf on QGIS

I need to use a waste dump .dxf on a map but unfortunately I'm not able to match the projection with the others I have. I'm working with Google hybrid using CRS: EPSG:32632 WGS84 / UTM zone 32N and ...
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0answers
31 views

Changing Schema on Line Work

I'm working on an engineering project in which the customer wants a CAD and GIS deliverable. The customer sent detailed examples of the schema for all line, point and polygon files delivered in their ...
0
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1answer
34 views

How to label streetnames that were convertes from dxf (CAD) in ArcMap?

i have not yet worked with CAD data in ArcMap so my question is: I need to display street names from dxf files that were converted to shp. Now I have a large number of shapefiles that were converted ...
2
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1answer
136 views

QGIS modify rectangular shaped polygons

Within QGIS is there a simple way to modify the shape of a rectangular polygon by simply parallel translating one of the edges (a -> a') like shown below. I've been looking at the CADDigitize ...
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2answers
57 views

Convert CAD based on known Local Origin Point

I have CAD files which were created in a "Staten Island local datum". There is no spatial information associated with these files, just annotation mentioning the datum. After researching this datum, I ...
2
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2answers
242 views

Extracting feature classes from file geodatabase to convert to CAD?

I am trying to convert multiple feature classes located within a file geodatabase into a CAD friendly format. Without extracting the files the "Export to CAD" tool does not recognize the feature ...
0
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1answer
102 views

`MapnikRasterizer` is giving an error (bad allocation) in FME

What could be the issue here. MapnikRasterizer is giving an error! MapnikRasterizer(MapnikFactory): Performing rasterization... MapnikRasterizer(MapnikFactory): Failed to rasterize data. The error ...
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1answer
472 views

CAD to GIS: Missing Layers

I have a CAD drawing that opens in true view (the free version) and I identified the layer I wish to export. Now, I want to bring the layer into ArcGIS and merge it into my geodatabase. However, the ...
2
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1answer
687 views

ArcScene: Export Multipatch to CAD

I have a 3D multipatch feature class in a file geodatabase using ArcScene 10.4.1. I would like to export this 3D data to CAD using "Export to CAD (Conversion)". The tools runs, but the resulting DWG-...
0
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1answer
114 views

Determining coordinates for CAD file using ArcGIS for Desktop?

I have a CAD file of a building and I want it to be replaced on Google Maps with coordinates. The DXF-file is on a local coordinate system (undefined). I convert this file to SHP-file for editing. I ...
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1answer
994 views

Problem exporting shp to CAD with ArcMap 10.4 - all features export to layer 0

I am finding trouble when using the tool to export shapefiles to dwg when using arcmap 10.4. After using the tool to create CAD fields, I name the fields "Layer" and "RefName" the same way, and set ...
2
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1answer
233 views

How to assign annotations to polylines

I imported polylines and annotations from DGN file. Polylines are pipelines. Annotation layer contains pipe diameters. There is no common ID's. The goal is to assign diameters from annotation to ...
2
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1answer
398 views

.DWG and .DGN will not drop in to ArcMap 10.2.2

I am attempting to bring in Microstation data (.DGN) into a working ArcMap file. Every time I attempt to drop the data in the map I get the following error message... (Error could not open the ...
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1answer
520 views

How to export Selection Feature to CAD in ArcGIS 10.2.2

This code can not be exported select feature to CAD file ESRI.ArcGIS.ConversionTools.ExportCAD exportCad = new ESRI.ArcGIS.ConversionTools.ExportCAD(); exportCad.in_features = @"D:\mydb.gdb\Street";...
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1answer
349 views

Exporting text to CAD [duplicate]

I am using ArcMap 10.2 and have a shapefile with parcel data. I have all of the polygons labeled with attribute text. How do i export the text to CAD?
3
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1answer
104 views

Using findAndReplaceWorkspacePaths to change datasource for CAD files- ArcPy

I try to use "findAndReplaceWorkspacePaths" in order to change datasource for CAD files. This code works fine but when there no cad layers to work with, despite this the code will print '...
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0answers
36 views

Problem Importing CAD features using arcpy.MakeFeatureLayer_management? [closed]

When importing multiple CAD drawings using "arcpy.MakeFeatureLayer_management" and "arcpy.Merge_management" I encountered a problem. Drawings that have line weights and elevation values assigned to ...
3
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1answer
737 views

Does this DXF file contain geolocation data?

I'm new to autocad and have been sent a file with polylines which I need to plot on a map. However I cannot see that the file contains any geolocation data to plot it accurately. The GeoLocation tab ...

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