Copan News

Sep-2010

Regarding Copan Lite for Windows 10.09.

Resections Renamed as FreeStations

The Field Resections module is now referred to as Field FreeStations module. The idea is to help prevent people confusing modern resections, involving angle-and-distance shots (what Copan actually processes), with classical resections, involving angles only (what Copan does not yet process).

Projection Scale Factor Renamed as Scale Factor

Wherever a Projection scale factor was referred to, it is now referred to as Scale Factor. Copan's treatment of it is the same — horizontal distances are scaled by the SF — and you are responsible for appropriately combining your projection and sea-level scale factors.

Coordinate Transformations Added to Import / Export

You now have the option — during Export to Ascii file, and Export to Total Station file — to transform the exported coordinates. Whether you wish to convert between coordinate systems or apply a scale factor or a units factor, just click the new Yes button under Apply Transformation and enter your parameters. The coordinates will be transformed upon export; the coordfile points themselves remain unchanged.

You can do the same during an Import from Ascii file (i.e., transform incoming points before they're saved to the coordfile).

Improvements to Coordinate Transformations

Scaling of Extended-Code Sizes Added to Transformation

(While this option has been added to the Transformation modules, it gets its own heading here because it doesn't necessarily concern coordinates.) The following change only applies to you if your points have extended code dimensions (i.e., they have codes that include sizes for trees, holes or culverts according to the specs in § Copan Point Codes), and if your current Codes Table is properly setup and its path is valid:

The dimensions within any extended point codes will now get scaled by the given Units Factor during coordinate transformation. For example, if your coordinates are in metres and your manhole depths and tree trunk diameters are in centimetres, then transforming (by parameters) with UF=3.28084 will not only convert your coordinates to feet, but also convert your manhole depths and tree trunk diameters to hundredths of feet.

Improvement to COGO Calculations

Azimuth Correction and Scale Factor boxes (and corresponding -AC and 1/SF buttons) have been added to CoGo (but not to CoGo Lite). Enter an Azimuth Correction and Apply it to the Bearing, either before a Calculation or after. Scale Factor works the same way as Units Factor (enter a value and Apply it to the Distances and Offsets).

Improvements to Multiple Inverse Calculations

Improvements to the Map Trav trio of Modules

Wherever they weren't available before, Azimuth Correction, Scale Factor and Units Factor boxes (and corresponding -AC, 1/SF and 1/UF buttons) have been added to Map Traverse Adjustment, Map Traverse Checking, and Inverse Map Traversing. If you enter non-trivial values, your calculation listings will include converted bearings and distances.

Improvements to the Field trio of Modules

Improvements to File Locations

ΔZ Display Added to Measure

Did you know about the right-mouse popup menu item Measure? If you click the right-mouse button, choose Measure from the popup menu, click on the graphics screen, and move the mouse around, the bearing and distance (as Bng: bearing   Dis: distance) of the elastic line are displayed in the middle of the status bar at screen bottom, along with the delta north and delta east (as n: ΔN   e: ΔE). Also, if the ends of the elastic line are near coordfile points, it will snap to those points giving you an instant inverse calculation without the need to open the Cogo dialog.

Now the new part: If the two coordfile points at the ends of the elastic line are 3D, the display will also give you the delta elevation (as z: ΔZ) between the two points.

Sep-2010