[John]

We certainly can add a 3-point circle command.

Do you need a circle or can you use an arc instead?

TPC does already include a 3-point arc command as shown in the attached curve fit.png file on the left. Just draw the end points of the arc (snap if you want) then drag the mouse to create the arc or snap to another point to create the arc.

If those points are in a traverse, TPC has COGO curve fitting which allows you to use any number of points to get a better fit. See https://traverse-pc.com/WebHelp/topics/horizontal-curve-fitting.htm.

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[John]

I didn’t see those files attached. You can send them to us here: https://traverse-pc.com/contact-traverse-pc-land-surveying-software/

We’ll take a look.

[John]

Best to open Help, Content (online) and open the Surfaces chapter. It has a Learning page the provides short videos on how it works.

You add surfaces in the Surface Manager (like adding traverses in the Traverse Manager). Then you tell that surface which points to use and it pulls in any points with Topo On set.

Let us know if that gets you going.

[John]

I’ve attached back JohnsCalibration.zip. It has a trv file you can open with the traverses I used.

Your Objective
————–
If I understand what you are asking, you don’t want to use a calibration created by calibrating from Field-Measured to Deed-Points. Instead, you want to use a calibration that mimics a manual translate / rotate of the Field-Measured to Deed-Points.

What’s the Difference?
———————-
With a manual translate/rotate, you control the transformation from Field-Measured to Deed-Points. If you had calibrated from Field-Measured to Deed-Points, the calibration would have determined the transformation. One of the characteristics of your manual translate/rotate is that there is no scaling. Either way it fine by Traverse PC. You are always in charge of making decisions like that.

What not to do then
——————-
That being the case, you do not want to create a calibration From: Field-Measured To: Deed-Points.

What you do want to do
———————
Instead, you want to do this
1. Create a duplicate of Field-Measured (TPC names it DUP-Field-Measured) with its own points, and translate/rotate that traverse to Deed-Points.
2. Create a calibration From: Field-Measured To: DUP-Field-Measured.

Now, the calibration that is created, mimics your translate/rotate.

Let us know if this is what you are after.

You can also play around with creating a calibration From: Field-Measured To: Deed-Points and turning of scaling. Might also get you what you want.

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[John]

If you just need something close but not exact, you can draw and arc between the end points and drag the cursor to the mid point. The arc will have a radius you can now use to draw a circle and place it over the points. To be exact, you currently have to create a 3-point traverse and fit a curve.

[John]

Run TPC and choose Help, Support (this version).
Download the PDF driver from the support page.

[John]

Just tried and don’t get a crash, so we will need to dig a little deeper.

1. can you send a screen shot of your Traverse View Format with the display and edit sequences?
2. you can right-click a traverse in the Traverse Manager and choose Traverse View Format. If you save from there does it crash?

[John]

You get metric line weights and pen widths when you set the survey’s units to Meters.

Surveys with imperial units (feet) display all line and pen widths as 100th of inches.

[John]

We would like to see what is happening. Please attach that file to tech@traverse-pc.com and let us know which drawing you are duplicating. We’ll figure it out and get right back to you.

[John]

I’ll assume that you are up and running OK. Let us know if you need any other help.

[John]

That file didn’t attach. On our website, go to Member Area, Contact Us and attach it there.

Thanks

[John]

Can you attach a file and circle some of the lines you want to trimming/extending.

In the past, I have left the COGO Intersect dialog open, selected the line I am trimming/extending to on the right side of that dialog (lets me select spiral, curve, tangent), then I do each line as a bearing/line intersect. Goes pretty fast.

[John]

We have the documentation for the .gt7 file and will add it to our programming backlog. No date for release at this point.

We didn’t find documentation for the .raw file, so will need to reach out to Topcon to see if we can get it. Maybe see if you can find anything on it and send us the link.

[John]

Go ahead and zip them and attach the zip file.

[John]

Attach a .gts and a .raw file and let us know which instrument you have and we’ll see if we support it or can add it in.

[Author]

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