Take a look at a sample diagram I've created for my company. I'm torn on what scale or even what units I should be using, since I am not drawing real objects. When I took an entry level class, it was so much easier doing the assignments because we used a scale that made sense based on what we were drawing.
5300_Room_Combination_reduced.pdf
When I open a new drawing in my AutoCAD 2013 that I just recently installed last week, I encounter a problem that I am not familiar with from previus versions of AutoCAD I have worked on. First of all, the units default to decimal, and I want them to default to architectural, with feet and inches. I have to type UNITS in the command line every time I open a new drawing in order to adjust this. I have AutoCAD for Architecture 2012 on another computer, and the program automatically defaults to architectural units upon opening up. Just to let you know, the program I am having this difficulty with is part of a package called Autodesk Building Design Suite 2013. I was under the impression that it included AutoCAd for Architecture, but I think it has only standard AutoCAD.
The scale of the objects I draw vs. the scale of the drawing field is very out of proportion. What I mean is, when I open a new drawing and draw a 30' -0" line, the line appears so long on the screen that I cannot see the whole object, even if I zoom out to the maximum. I should be able to see the object in it's entirety. In fact, when I draw a line that is only 12" long, even when the zoom is all the way out, the line looks huge in length. I have tried adjusting the units to the architectural/inches setting of course, and I have tried adjusting the scale in model space from 1:1 to 1/4'=1'-0", but nothing is working.
I was recently setting up a new install of Civil 3D 2012 and was going to set the default coordinate system to 3TM (CM=114°W) when I realized the scale factor was set to 1.0 at the central meridian.
It should be 0.9999. I checked some others and they are all the same. I also checked the 6TM projection and it is also set to 1 although it should be 0.9992
Below is the WKT(ESRI) out of Civil for EPSG code 3401:
PROJCS["CANA83-10TM115",GEOGCS["GCS_North_American_1983",DATUM["D_North_American_1983",SPHEROID["GRS_1980",6378137.000,298.25722210]],PRIMEM["Greenwich",0],UNIT["Degree",0.017453292519943295]],PROJECTION["Transverse_Mercator"],PARAMETER["False_Easting",0.000],PARAMETER["False_Northing",0.000],PARAMETER["Scale_Factor",1.000000000000],PARAMETER["Central_Meridian",-115.00000000000000],PARAMETER["Latitude_Of_Origin",0.00000000000000],UNIT["Meter",1.00000000000000]]
Looking up the .PRJ for EPSG 3401, the published standard is:
PROJCS["NAD83 / Alberta 10-TM (Resource)",GEOGCS["GCS_North_American_1983",DATUM["D_North_American_1983",SPHEROID["GRS_1980",6378137,298.257222101]],PRIMEM["Greenwich",0],UNIT["Degree",0.017453292519943295]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",-115],PARAMETER["scale_factor",0.9992],PARAMETER["false_easting",0],PARAMETER["false_northing",0],UNIT["Meter",1]]
Win 7 Enterprise SP1 64 bit
Intel i7 3770 @ 3.40 GHz
16 GB RAM
Civil 3D 2012 SP2
I have been adopting a linetype scale system for CENTER & HIDDEN types that works perfect on one drawing but not in another.
Here it is:
Globally,
Measurement:1
MSLTSCALE:1
PSTLSCALE:1
CELTSCALE:1
LTSCALE:1
CENTER lines are scale 0.1 (works fine in all drawings and in both 1:30 and 1:4 viewports)
HIDDEN lines are scale 0.3 (work in one drawing but failed in the second drawing in both 1:30 and 1:4 viewport)
Setting the HIDDEN lines to 10 works with most other drawing.
I want to know first of all why this setting of 0.1 CENTER and 0.3 HIDDEN works on one drawing and not on another one in spite of the general settings set alright.
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