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Geographic Information Systems

Questions tagged [cad]

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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.

139 questions
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Retaining georeferencing information from CAD when opening in another mxd?

I georeferenced about 150 CADs, updating the georeferencing as I work. I created a new mxd using the same base layers and added one of the CADs that was georeferenced but it did not retain the ...
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3answers
47 views

Seeking open source solution to convert CAD annotations to DXF/GIS vector format?

Looking for an open source solution to extract CAD annotations to one or several common OGR vector formats (DXF, Geopackage, shapefile ..). Output data must contains at least text and rotation.
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56 views

Accessing additional CAD annotation fields

I'm trying to read certain values from the annotation layer of a CAD file (MicroStation.dgn). It seems like for certain entities (Cell) the text isn't stored in the field 'TxtMemo' or 'Text'. When I ...
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1answer
50 views

Importing CAD into ArcGIS Pro? [closed]

I am trying to import CAD files to ArcGIS Pro. I set my basemap and used the add data button to add polylines, polygons, points and annotation to ArcGIS Pro from a CAD drawing. It imported all the ...
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1answer
35 views

CRS of QGIS CAD tool and measure line tool

Does any one know what CRS the QGIS digitizing toolbox (CAD tool) and the measure line tool use? Because I couldn't find any way to manually set the CRS for the tools in QGIS 3, my assumption is ...
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32 views

Working with CAD-import in QGIS

I'm working with QGIS3 and I imported a CAD-File (.dwg). Now, its in Geopackage format, but I made somehow a mistake by importing it, cause I'm not able to work with the different layers. They are ...
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44 views

Vector data - .xml to CAD conversion

I have .xml file which involves geometry data I would like to convert into .dwg/.dgn/.shp file. File is written in Danish and I am not sure if that can be a problem. I am trying to use FME software ...
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13 views

ArcGIS drops some elevation values when converting to 3D or DWG format

I have a shapefile of 2' contours that I've converted into dwg format. I have an existing elevation field (double) in the shapefile that's populated with my elevation values. When it converts to dwg ...
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1answer
74 views

Create cross sections in QGIS and save as DXF file

Is there any way to create cross sections of rasters in QGIS and save it as DXF file? I need to continue working with it in AutoCAD LT.
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30 views

CAD To GeoJSON after publishing it shows the job failed

I have written the code for CAD to GeoJSON. When I ran ArcMap or ArcCatalog it's working fine, after publishing the code it's giving the error. The code is too long. Can you provide the code ArcGIS ...
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2answers
156 views

Multipatch to polygon/polyline conversion in ArcGIS Pro?

I have a file captured from Bentley software already converted to .shp format. I would like to have polygon or polyline to be able to simply edit it but I don't know how to convert Multipatch to ...
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1answer
65 views

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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0answers
41 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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1answer
109 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
1k 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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32 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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53 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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255 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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0answers
108 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 ...
2
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1answer
694 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 ...
3
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1answer
1k 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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0answers
59 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
102 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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0answers
51 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
24 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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67 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
313 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
333 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
364 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
762 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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0answers
44 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
594 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
347 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 ...
1
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1answer
87 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 ...
3
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2answers
238 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'...
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1answer
128 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
791 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
237 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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0answers
48 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
181 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
511 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
35 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
162 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 ...
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2answers
269 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
134 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
585 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
804 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-...
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1answer
123 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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