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.

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320 views

autocad-map of real estates with own coordinate system and information to be converted to use it in QGIS

I have a question regarding CAD and QGIS, but unfortunately I don't have a clue of CAD. Here it goes: Real estates data has been mapped. There are several reference points surrounding the area. So ...
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2answers
946 views

Export to CAD - preparing the DWG seed file

I'm preparing a seed file in order to export to CAD and maintain all the attributes at all fileds. after creating the block definition I've export to CAD (Right click) using the seed file I made (...
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1answer
570 views

JPEG base map doesn't match shapefile locations

Relative Newbie Question: I have Civil War earthworks tied to the State Plane Coordinate system with a jpeg of the terrain as a 100k scale USGS Quad of the area that is not georeferenced. When I work ...
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1answer
81 views

Limiting number of decimal digits in ArcGIS to have exported file in CAD with same format? [duplicate]

I am supposed to have some numeric values in ARCGIS 10.2 with 3 decimals Digits and then convert them to Microstation or AutoCAD. I did this Setting using field calculator and 'round' function in ...
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3answers
3k views

Workflow to convert a DWG CAD file to a shapefile

I'm trying to develop a workflow where I can convert a .dwg file to .shp. I don't have a good understanding of which tools I should be using. My preference is to use software that runs on OSX, is open-...
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1answer
210 views

cad to shapefile conversion

i have use arcgis10.1,arcobjects.net. i did following code ESRI.ArcGIS.Geoprocessor.Geoprocessor gp = new ESRI.ArcGIS.Geoprocessor.Geoprocessor(); gp.OverwriteOutput = true; ...
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1answer
176 views

CAD to GDB import using ValueTable function

I have several CAD files (DWG) that I want converted to Feature Classes within a file GDB. Each feature class will be based on a polyline attribute "LAYER" value, so I have a query filter applied ...
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0answers
246 views

How to keep polygon from becoming polyline when converting polygon feature class to .dwg

Is it possible to convert a polygon feature class from a geodatabase to a CAD .dwg while keep the features as a polygon in AutoCAD? Currently the polygons appear only as polylines. I am currently ...
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2answers
113 views

How can I delete from attribute table in a dxf file in ArcGIS?

Hy everybody! I have tried delete one row from an attribute table in a dxf file, but I can't. ArcMap said I need to export that to a geodatabase or something similar. What exactly should I do? From ...
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1answer
574 views

Align and georeference GIS layers exported from CAD

I have two separate CAD files of the same locale. The first one has surface data like street curbs, building footprints, etc. It is not georeferenced, but when I add it to other items in a projected (...
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1answer
310 views

Batch clip DWG polyline

I have about 170 DWG files that need to be clipped to their corresponding tile. Each tile is 14,000ft wide, 8,000ft height. The grid: Each DWG file overlaps the tile border by 800ft: ...
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109 views

How to create a raster from a CAD scan for ARCMap?

I have scans of CAD streets and such and want to get a raster for georeferencing into ARCMap. What are the easy steps to make a targa, geotiff, etc. of a known size, say 2 miles along one side as a ...
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2answers
5k views

How do you import a .SHP into Sketch-Up?

Does anyone know how to use a .SHP in Trimble Sketch-Up? I have tried exporting to KML and CAD from QGIS, but the KML file doesn't read in Sketch-Up.
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1answer
811 views

convert shapefiles to cad files

hi i'm having a difficulty in converting shapefiles to cad file. i'm currently using the ArcGIS 9.3.1 version and i tried to convert it using the toolbox>conversion tool>to cad>export to cad....the ...
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0answers
265 views

How to define coordinate system and geographic transformation for a CAD drawing?

I am a GIS guy and I occasionally work with CAD files as well. Now I need to know how I can define a coordinate system and a geographic transformation for a CAD Drawing. According to ESRI: "You can ...
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1answer
1k views

How to preserve dgn cad file attributes when exporting from microstation and importing into Arcmap?

I'm trying to import water utility lines from Microstation into ArcMap. The water utility lines are symbolized by size in Microstation, but when I try to view the attribute table in ArcMap the ...
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2answers
289 views

How to fix undershoots in data converted from Microstation using ArcMap 10.0?

I have converted data from Microstation to ArcGIS. The converted data has undershoots at intersections, so I tried to snap lines using Spatial Adjusment. I've added some control points but ArcMap didn'...
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2answers
223 views

Is it possible to create CAD file from shapefile and also create CAD blocks from the database fields

I am trying to find out if there is any software or plugin/code that I can bundle that will take a shapefile and export it to a CAD file with CAD blocks generated so our CAD mappers can just move the ...
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5answers
1k views

Intersection of two lines tool

Is there any way to make intersection of two lines tool with extending lines option, so the result would be a point. the hardest part is when the lines have to be extended to intersect. the tool will ...
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6answers
2k views

Open source CAD software

Does anyone know open source CAD software (like edit, update cad files and attach external information, create topology etc.) Researching on internet also (Going through Kosmo Desktop,DraftSight etc....
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0answers
268 views

exporting DWG from ArcMap need to unify segments to polylines

I am a green ArcGIS user so please bear with my poor nomenclature and rudimentary understanding of the software........ I am attempting to export to CAD a contour shapefile I have derived from LIDAR ...
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550 views

CAD Contour Lines to ArcGIS Attributed Polylines

I'm having a 'CAD to GIS' issue. I have a dwg file which contains large number of contour lines that have been split by labels. I need to import the contour lines from CAD to GIS so that they contain ...
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453 views

Can I Rotate SVG symbol counter clockwise in Quantum GIS? (Direction East 0 - counter clockwise) [closed]

I'm working in a road signs project. I need the signs layer symbol to rotate according to the value in the angle field, so they could be represented facing the correct orientation. However, the angle ...
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2answers
907 views

Python script to read CAD data to find polygon extents

I have Civil 3D 2012 with ArcGIS for AutoCAD 300. I want to read the extents of a polygon in the drawing. Feature Class in A4A300 = Boundaries, the CAD layer is PROP-BNDY, there is only one polygon on ...
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2answers
976 views

Data security for GIS Data (shapefiles,AutoCAD files)

This is regarding security for GIS Data (in Esri & open source) (Esri shapefiles, AutoCAD files etc.) Does anyone know how to assign a password to or encrypt shapefiles OR CAD Data? I have found ...
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1answer
587 views

Could you suggest software to draw a cross section, companion to QGIS?

If you use GIS systems, what software do you turn to when there is a requirement to draw a cross section? Ideally a workflow that includes QGIS. Typically there are some points which will coexist in ...
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722 views

QGis CadTools CAD Console

I need help with the Qgis CadTools CAD Console commands. According to these help files there are six commands. I just can't get them to work. Can someone help me? Thanks
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5answers
4k views

I exported a DXF from QGIS, but it won't open in AutoCAD

I'm new in QGIS and here is my problem: I exported a DXf from QGIS by right-clicking on the layer. Then tried to open in AutoCAD 2000. That did not work. AutoCAD gave a failure-message: Unknown ...
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5answers
2k views

How much CAD experience for the GIS Professional? [closed]

As a GIS Professional, one is often expected to have experience with CAD (i.e. AutoCAD, Microstation) to the extent that they can integrate CAD data into GIS workflows and datasets. However, I often ...
2
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0answers
433 views

How to create polygon “stamps” and extend lines by fixed distance? in QGIS

This is related to Does QGIS have these CAD editing functions? Cadtools have solved a lot of the issues I had but I need the ability to see how long a line is while I am drawing an orthoganal polygon?...
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2answers
2k views

Python script to implement a batch import of CAD files into Geodatabase?

Does anyone know where I can get a python script that can do a batch import of CAD files into a Geodatabase. I have one I wrote here, but it is only able to import one CAD file at a time. It imports ...
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2answers
5k views

How to compute parameters for QGIS Affine transformation?

I have a vector floorplan (DXF) that I've added to a blank project in QGIS using the Dxf2Shp plugin. I've been reading tutorials and StackExchange threads, but I can't seem to find out how to "...
5
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0answers
884 views

Does QGIS have these CAD editing functions? [closed]

I tried QGIS for the fist time today and it seems quite capable for the task that I have in mind. However, I really miss some basic editing functionality from another GIS software that I have to use ...
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4answers
7k views

Transforming from DWG/DXF to GIS?

I've got tons of DWG/DXF files with information (in several layers) dealing with: Contour lines and elevation (lines) positions of antennas (points) protection areas (polygons) administrative ...
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1answer
201 views

QGIS - WGS84 to BC Albers reprojection no curved lines, any idea why? How to snap a line to a point?

I am trying to learn a bit about QGIS. So I thought I would drop in some layers of my Province and then recreate some points representing the BC Albers Central Meridian, and the two standard ...
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0answers
388 views

How to convert a set of points to a solid object?

I have a data generated as the output of some numerical processes. I need them to be converted into 3D solid objects (as CAD solid format) to make them importable for some particular numerical ...
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0answers
148 views

How to configure various client applications to display AVL data?

Given x number of GPS units transmitting NMEA formatted strings back to a server (xxx.xxx.xxx.xxx:xxxxx) is there a way to listen in on the traffic and parse NMEA formatted strings for display on a ...
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0answers
213 views

How to append geographic features into a .dgn file?

How can I export all the geographic features of a featureclass into .dgn (Microstation) file using C#/ArcObjects? I was able to create a new .dgn file and I want to export all the geographic features ...
2
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1answer
124 views

Tracking which LiDAR data tiles have been delivered

My company works with LiDAR data for large electrical transmissions systems (thousands of miles in one project). We model the transmission lines and do analysis using CAD and GIS workflows. We break ...
2
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2answers
1k views

Converting CAD 2D section into PolylineM(Z) using ArcGIS Desktop?

How do I convert a 2D section drawn in CAD into 3D polyline in ArcGIS. By 3D polyline I mean PolylineM(Z). I have 300 sections. Drafting it manually seems a bit laborious. Any Ideas?
3
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1answer
677 views

cad and geoserver

Hi Guys i have geoserver and openalyers running quite nicely and now need to overlay a cad drawing. I have looked at the geographic location part of cad and set the long / lat to the appropriate ...
2
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2answers
2k views

Attaching image in Civil 3D?

I have a recurring problem in Civil 3D 2011. From time-to-time, I have to attach to an image file (ie - survey plan) and draft on top of it. In the case of the current work I'm doing, I am making ...
2
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1answer
750 views

qgis, autocad and google layers

Ive downloaded qgis and loaded the google layers plugin. I have imported a dxf cad drawing. Question is how do i place the shapefile in the correct place on the map? Also how do i tell google ...
2
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1answer
2k views

cad drawing overlay

I want to overlay a cad drawing on a google map using geoserver. Any tips on how i can do this. Do i need to convert to cad file to a shapefile. Im presuming i do. If so what tools are available ...
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4answers
458 views

Migrating from GIS to CAD

There seem to plenty of resources out there to help users of CAD software move to using desktop GIS but is the reverse also true.
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1answer
3k views

Converting a CAD/DXF file to a SHP file

I need your ideas and suggestions about a problem.... I have a dxf file which was converted from a CAD file. I used QGIS to convert it to a shp file... This is when I realized that the text associated ...
3
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4answers
424 views

Tools for planning a building

I'm planning to build a cabin, and I'd like to combine all the GIS data available from my home country with my own measurements for placing and the cabin layout. That is, I need a tool which can: ...
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3answers
7k views

Importing CAD to ArcGIS?

I'm trying to import some CAD files from microstation (dgn) v7 to ArcGis 9.3.1 and i need to access the User Data Linkage from it but i have not the Data Interoperability License. Is there any ...
4
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2answers
2k views

Is it possible to use more than two control point links when georeferencing CAD files in ArcMap?

I'm trying to georeference CAD to a building footprint in ArcMap 10 (although I've had this same problem in earlier versions). The problem is, it won't let me use more than two control point links, so ...