COGO-50 v1.81 User Manual - Simple Geospatial Solutions
Contents
1. mmm Fal Fal Fad Fad Ped Fad Fal Pel Shit She Wo eee LS LL LL Ti E nina T a V mmm LL tmm LL e d ir lu All Coordinates Point Coordinates Points we Numbers Points wro Humberz Level Run Report Main Menu C VI EW U aLCOR F TCOR FTRUM F IDT LEURF HAIN At this point 1 will delete some of the points created earlier to better illustrate the view abilities From the MAIN MENU choose JOB MENU then DELETE POINTS and delete a RANGE OF POINTS from 1 to 19 The VIEW MENU is where you can view all points and coordinates Choose POINTS WITH NUMBERS to view all the points plotted to scale fitting the calculator screen For example to view all points from the transformation example the results would be WITH POINT NUMBERS on the left and WITHOUT POINT NUMBERS on the right 16 Not the greatest representation once you have a job with many points as point numbers will become increasingly difficult to read but still gives a decent visual ALL COORDINATES as shown earlier this produces a screen showing all point coordinates press GRAPH for larger text E ES in in ics iw iw 5 Doc ics ics s Ls Ls Ghee ic ic in s Ln 5 minari S un ics ics cw cw PIO Le COORDINATES 17 l Triugna3le soluer Circ Curug 5010 Mert Curug Li2. 50 v1 81 User Manual By Jacob Wall 50 is a mostly UserRPL program written for the HP 49g 50g using ROM Version 2 09 also tested with ROM Version 2 15 It is a land surveying program capable of performing common survey calculations The software is provided free of charge as is without any kind of warranty This manual will provide some step by step examples and briefly explain all the functions included in the library The first step is to attach Library 925 to Port 2 on your calculator For instructions on how to do this please see the last page of this manual Run the COGO 50 library by 1 Entering the command COGO in RPN mode and then press ENTER 2 From the library menu Right Shift then 2 3 From the APPS menu at or near the bottom of the list When running the program for the first time you will be prompted to choose a few settings that will apply to all jobs you will create mm um Choose your preference for angle measure the finale qeasure number of decimals displayed with output pick 0 000 slope or horizontal distance for 3D Traverse 3Dp Trauerze Slope Distance and choose between azimuth or quadrant Eearin3z 2609 4003 BHzinuthz bearings Quadrant Bearings are entered as rdinates Nerthang Easting QDD mmss N32 12 02 W would be entered as 432 1202 H zE ANGLE MEASURE A default job called Default is automatically created if no jobs
3. HHZZ D aciHdlz 3p Traugrza Shope Distanca Eedrin3z 2609 4005 BRzainuthz Coordinates fiecthang Ea4ztain3 H zE ANGLE MEASURE About LC G 358 v1 2 Author Jacob Hall Buestions Comments ar Feedback e mail Jacabul zurvsB ca httpie survob ca In the DATA MANAGER choose B F2 to IMPORT POINTS in the form of a delimited text file NOTE At this time be aware that only P N E and P N E Z text files can be imported space or comma delimited and also when importing points all the points in the current job will be deleted so create a new job before importing Example If you have a txt file on your computer the easiest way to import those coordinates into COGO 50 is to copy the txt file onto an SD card and then into the HOME directory Of course the connectivity kit can also be used Once the text file is on the calculator put it in stack level one and launch COGO 50 Once chosen to CONTINUE with IMPORTING you will need to choose either the PNE PNEZ PENOorPEN Z format and hit OK after which the points will be imported into the current job The larger the text file the longer it will take to import In the DATA MANGER choose C F3 to EXPORT POINTS This program creates a string text of all the points in the current job You can choose to either save the file directly onto the SD card or into the current job sub directory in the JOBSCOGO directory The files will be created with a txt extension After
4. Copy file COGO181 LIB to SD card using your computer Step 2 Insert card into calculator Step 3 Open the File Manager on the calculator Left Shift then APPS key Step 4 Press the 3 key to browse the SD card Step 5 Locate COGO181 LIB and highlight it Step 6 Press the COPY softkey B Step 7 Up arrow to 2 FLASH then press the OK softkey F Step 8 Hold down the ON key then press the F3 C key then release both Installation using Conn4x Step 1 Open directory containing file COGO181 LIB Step 2 Right click on the file and select Copy Step 3 Open Conn4x on the computer Step 4 Attach USB cable type command XSERV on the calculator press ENER Step 5 In Conn4x from the File menu select Connect Step 6 Click on OK in the dialog box that pops up Step 7 From the Edit menu select Paste Step 8 From the File menu select Disconnect from the calculator Step 9 On the calculator make sure you re in HOME directory press VAR key Step 10 Press the F1 A key to return Library 925 COGO 50 v1 81 to the stack Step 11 Type 2 then press the STO key Step 12 Hold down the ON key then press the F3 C key then release both Step 13 Purge the variable COGO181 LIB from the HOME directory 27
5. plan points Next choose CALCULATE You rmatian Scale will be given the option to scale the local 1 28080815090 coordinates to best fit the plan coordinates If you choose scale of 1 will be forced Below are the results including the scale used and the rotation and coordinate translations applied Note that the residuals are very small because our control points were nearly identically related Scroll down to see the last result The results can be used to isolate the worst pairs of control points and then redo another point transformation to improve residuals amongst control points although at least three control pairs should be used NOTE When transforming points with Northing or Easting coordinate values of greater than 100 000 you ll notice the residuals are not good this is due to the fact that it is a 12 digit precision calculator To work around this simply MOVE your Plan points down to a lower coordinate value perform the transformation and then MOVE the Plan and 15 the transformed Local points back by the same values You may need to move the Local points prior to Transformation if their coordinate values are also high 1 00000000000 22HgBbR BRU 2 21555272 584 202 If you go to the VIEW MENU you can verify that the coordinates of the control pairs are now matching The VIEW MENU will be covered next 000 Lod uuu 000 iun 000 33H
6. as you go along f there is interest could develop it to facilitate other leveling capabilities How it works Enter a starting elevation then keep entering backsight and foresight readings until completed After each input you will see a screen resembling a field book page with the current information 20 zm RE LEVEL RUn 5 ENS LEVEL RUT START ELE ARE STARTING ELEVATION LEVEL KUN 2 FORESIGHT MERE And so forth Press ENTER an empty pe 1 412 backsight field to enter intermediate foresights the last one input will be used to continue press CANCL at a backsight prompt to finish the Level Run You can view the last Level Run report from the VIEW MENU choosing View Level Run Report The 3D Traverse application allows traversing inputting horizontal and vertical angles as from 4421 a Total Station start enter a setup or uz 1 592 Occupy point the height of instrument and a correction angle if desired Next you prompted to enter horizontal and vertical angles a distance and depending on your settings either slope distance or horizontal distance and a height of target Finally you are asked to provide a point number for the coordinates that are created You can keep doing sideshots until you CANCL out 2D TRHUERSE And RIZ2 CORRECTION ANGLE 21 S SD TRHVERE 5121 SD TRHUERSE 3 ORIZON
7. circular features the order is BC the Origin as a negative number followed by the EC Compound curves require the point of compound curve to be entered twice once for the EC of one curve then again as the BC of the next curve NOTE The portion of the curve less than 180 will be calculated so if the area contains a circular portion with a delta angle of over 180 you ll need to break up the curve into two parts creating a compound curve with equal radius As an example 19 3453 asi BC Origin EC 5452 81 You will be prompted to choose to either add subtract the segment described in this case we want to subtract the segment The area is calculated as if the BC and EC join in a straight line and since the segment is inside the line or area we subtract it ADJUSTMENTS Compass Rule Rotate Points Mowe Points Scale Points Transform Points Main Menu B ADJUSTMENTS MENU Elus The ADJUSTMENTS MENU features all the point adjusting and manipulating programs Let s consider the following P N E coordinates 10 10000 000 10000 000 11 11643 528 10000 047 12 11645 621 11640 584 13 9999 380 11640 907 14 10000 024 10000 080 11 Say those the coordinates derived given distances and bearings Point 14 represents where the data closes and the difference between point 14 and point 10 is the mis close After entering those coordinates using ENTER amp ASSIGN choose A F1 in the ADJUSTMENTS MENU t
8. exist All jobs created become subdirectories in the JOBSCOGO directory in HOME with a c50 extension to ensure unique names Job names can be alpha alphanumeric or numeric Cogo Adjustment leu Tools Data Manager Exi MAIN MENU The MAIN MENU is where you access all other sub menus Note The current job name will always appear on the first line of the MAIN MENU Traverse Inverse Enter amp Assign Offset Intersect Area bu Points Main Menu A COGO MENU TRAVEINVRS ESA OF INT AREA HAIM The COGO MENU features all the basic COGO functions Choose C F3 to ENTER a point number amp ASSIGN coordinates to it Enter values in each field and hit OK All fields will clear and the form will be ready for another point to be entered You can keep entering points until you choose CANCL which will return you to the COGO MENU SENTER AND ASSIGNS 55 SE ENTER AND ASSIGNS LEVATION Choose A F1 to start creating points by TRAVERSE TRAVERSE functions The examples given are shown using grads as the angular measure 100 grads 90 degrees 400 grads 360 degrees 1 Direct 2 Bearing Bearing 100 00004 100 000 TRAVERSE 2 bearing to CEnter s if unknown ption Ft Pt Pt Hnale Complete TRAVERSE 25 DUption Pt Pt ar Pt Pt Tz Hnale ATER THE FOINT rom TO POINT 5A lf unknowns Dption Pt Pt Complete 3 Bearing Distance E
9. of point 4 to the line formed by points 1 and 2 The tie distance distance from start of line and to end of line that this occurrence takes place and line distance and bearing is provided as output FROM Point 1 TO Point 2 23 942 AA Ae POINT FERFENDICULAR T LINE A Ae In the COGO MENU choose D F4 to create a point with the OFFSET INTERSECTION routine For example to create a NEW point 7 that is at the intersection of a parallel offset of 15 to the right positive of the line from point 1 to point 2 and a parallel offset of 20 to the left of the line from point 2 to point 5 the steps would be OFFSET INTERSECTION PSS DEFINE FIRST LINE AND OFFSETS START OF FIRST LITE DEFINE ECONO LINE OFFSET 55 End 2 offset 2H SECOND LINE The last image is a view all the points with point numbers which be accessed through the VIEW MENU more of which will be explained later But visually we can verify that point 7 is indeed at the intended OFFSET INTERSECTION point A POINT TO LINE inverse could also be done to double check In the COGO MENU choose E F5 to calculate an area To calculate the area of the points created earlier by going clockwise around the perimeter enter the point numbers in order as shown The area with a small diagram will be displayed nintz along er of AREA ER I2 343 i5 BC Origin 45 2 64 10 To calculate an area with
10. program answer any questions and fix any bugs if they should be found Contact me by email jacobw surv50 ca New in Version 1 8 Removed dependency on the Development Library Library 256 Fixed a bug with bearing distance intersections Removed Intro Splash Screen Version 1 81 Fixed Overflow Bug that could result in a crash Version 1 81 Fixed potential crash in Inverse Point to Line Version 1 81 Updated manual to provide better installation instructions Version 1 81 25 New in Version 1 7 Added Coordinate display setting to choose Northing Easting or Easting Northing Removed menus from Area and View Points screens Eliminated more potential crashes when pressing ON Cancel from various routines New in Version 1 6 Added option to choose Quadrant Bearings or Azimuths as Bearing input output for direction Fixed an issue that arises when importing points that are not listed in numerical order in the ASCII file Version 1 61 fixes compatability bug when upgrading COGO 50 from Versions 1 0 1 1 or 1 2 New in Version 1 5 Program accepts job names to be alphanumeric numeric or alphabetic Fixed bug in Inaccessible Point program New triangle solver New in Version 1 4 not necessarily a complete list Cleaned up a lot of the code to improve speed and reduce program size Fixed a few bugs More changes regarding menu appearances TRAVERSE and ENTER amp ASSIGN now rem
11. transfering the text file to the computer you will need to edit out the header that the HP calculator puts in automatically The easiest Points LE Cont inue Cancel mpor existina Points SAVE T 1 Currcent Job 2 20 Card Cd way to do this is to open the txt file using WordPad and simply deleting the first line and saving it after which you can open it using Notepad or import it into a CAD program If you use Notepad first to edit out the header you will see that some of the characters don t translate and create a mess 24 In the DATA MANAGER choose D F4 to DELETE POINTS You have the option to delete all points in the current job or to enter individual points separated by spaces or specify a range of points to delete For example if you have a job with points 1 to 5 being the only points in the job the following will delete all five points First ALL POINTS is the easiest and quickest DELETE L ALL Fointz oF Fount 2 OF Points RANGE STARTING FROH In the DATA MANAGER choose E F5 to RESET JOBSCOGO This routine deletes all data from the JOBSCOGO directory and leaves an empty directory Can be useful to clean out a bunch of old jobs created which are no longer needed As of April 2009 further development of this free software is unlikely since have completed a much more capable program called COGO 50 Plus will continue to support this
12. 0 VERTICAL CURVE SOLVER amp EVC Elgugtion EUC Eleugtion Irat HI LUM Elevation M iod en ion 45425000 WEI Elgugtion eae 00 000 Eleudtion 275 750 You will initially see the solutions of the curve defining stations but after pressing OK you will see two further options Solve for an elevation at a specified station or solve for elevations at a VERTICAL CURVE SOLVER specified station interval First to solve for the 1 tation Elevation elevation at station 45 67 890 then secondly to ewinterval Elevations solve for each 20 m station as shown in the following screens ERTICHL CURVE SULVER 1 Station H5 250 Station Leugtien 271 253 ATER STATION TO FING ELEVATION 19 2 MERTICHL CURVE SOLVER s Station Intarudt 5 The LINEAR REGRESSION tool fits a series of points to a statistical best fit line with an option to overwrite the points entered after seeing how well they fit the line very simple example consider the following coordinates 1 1000 000 1000 000 2 1000 010 1149 987 3 1000 032 1235 000 C000 ADIUS VIER Da TR ERIT The results shown are perpendicular distances to the statistical line from the original point coordinates Choose whether or not to overwrite the original points once having seen the results The new LEVEL RUN application simply calculates your heights of instrument and point elevations
13. TAL ANGLE ATER SOLVE The Inaccessible point application allows you to E se INACCESSIELE 2 enter setup information of two points and corresponding horizontal and vertical angles to calculate coordinates for the inaccessible point ie the peak of a roof A simple example First HI 2 1 6 setup on point 1 N 1000 E 1000 Z 10 and second setup on point 2 N 1000 E 1100 Z 10 the height of instrument at both setups is FIRST SETUF FOINT 1 600 m The solution is automatically given a point number and you will see the coordinates displayed The average elevation is used if there is discrepancy between the two possible elevations a input error is quite likely NACCESS TELE FUIT 22 E DATA MANAGER The DATA MANAGER offers data related routines JOBS is a sub menu where you can create load or delete a job and change job settings CREATE was seen at the start of the program LOAD and DELETE both present a list of all the jobs created and you are able to choose which job to either load or delete SETTINGS allows you to change angular measure and linear precision ABOUT COGO 50 displays my name and email address SELECT JOE DELETE SHAFLE Z Foantz 23 Paimta DATA MANAGER Jobs Import Points Export Points Delete Points Reset JOBSCOGO Main Menu ti About GO gH Data Manager CREAT LOAD JDELET ZETTIVAEOUT DATA SELECT JOE TO LOAD SHAFLE Z Foantz Anka
14. ance from TO CRequired ption Ft Pt Pt Hnale g Choose 2 166 6667 g Complete At this point will switch to degrees HMS angular mode Press cancel at the next prompt to enter FROM and NEW points in TRAVERSE to get back to the COGO MENU and then choose MAIN MENU followed by DATA MANAGER then JOBS and finally SETTINGS In the COGO MENU choose B F2 to INVERSE You have options of inversing between two points inversing a curve providing an origin BC and EC determining an angle providing a vertex back sight and foresight or inversing a point perpendicular to a line defined by two points Inversing between POINTS is as simple as entering two points INVERZE d curug gt Angle U Foint to Line 5 betugeen IDnVERZE FROM FOITnT Inversing a CURVE requires an origin and two points equally distant from the origin From point 6 created earlier by distance distance we can use point 1 as a BC and point 2 as the EC aot IDIMERZE Curug 5 Inversing an ANGLE requires a vertex point a back sight point and a foresight point Using the same points as in the CURVE example INVERSE Angle 35 23371 38 37 ee el 23 Inversing a POINT TO LINE requires a point of interest whose perpendicular distance or tie distance to a line formed by two other points is of interest For example the tie distance
15. ater m if unknown Options Pt Pt Hnale Bearing 1 34 TRAVERSE T FOINT 2 ATER THE FOINT rom TO POINT Aa lf unknowns 1 Pt Pt 7 Anale e Choose 1 108 127 Complete rom AINT Eo TO POINT NOTE Step b Bearing 1 1 3 This means Reauired the bearing From Point 1 to Point 3 the same TO NER PANT Ort as 50 0000 g 77 2190 lstance 2 0 x cu e ael cl e 1 1 1 4 Distance Bearing Rearing to a CEnter x if unknown ption Ft Pt Pt Angle meee TRAVERSE T F ITT 3 ATER THE FOINT ran TO POINT arin ram ar in TO POINT if unknown CEnter i nnkan EEARING FOINT Option Pt Pt Opt 124 2404 i Pic NN e Pt r Hnale earina 2 c 1584 Choose 2 75 1596 g Complete NOTE Step d Distance 1 1 4 This is the same as entering 108 127 because we know the distance from Point 1 to Point 4 is 108 127 Step e Bearing 2 1 2 100 This is the same as entering 200 0000 because we specify that the bearing is the bearing from Point 1 to Point 2 then add 100 0000 and we know the bearing from Point 1 to Point 2 is 100 0000 g 5 Distance Distance bearing t Ih CEnter if nawn ption Ft Pt Pt Hnale 225 TRAVERSE 25 ATER THE FOINT rom TO POINT if unknown st
16. delta Northing and Easting Ez FAINT RANGE can enter the range of points that you wish to move message box verifying successful points moved will be displayed upon completion To move points by reference points chose 2 BY REFERENCE POINTS and simply enter the two reference points you wish to use Moving points 10 to 14 so that 10 moves to where 11 now is RANGE STARTING FROM do the following REFERENCE FOrnt ATER FOINT RANG FOINT RANGE STARTING FROH The result will be all points being moved the difference in Northings and Eastings between the original point 10 and 11 13 In the ADJUSTMENTS MENU choose D F4 to scale points You can either scale the points from a base point 0 0 or from any existing point After choosing either you will be prompted to enter a scale factor and the range of points you wish to scale Same look and feel as the move and rotate commands SCALE FOINT In the ADJUSTMENTS MENU choose E F5 to transform points The TRANSFORM POINTS routine lets you have two separate groups of points in the same job on different coordinate systems and orientation and pick control points from both groups then move one group for a least squares fit into the other coordinate system The two groups are called LOCAL and PLAN LOCAL points are points that will be moved PLAN points will not move will use a very simple example to illustrate how this routine work
17. ember the next point number after the highest point number in the job so you don t have to New in Version 1 3 not necessarily a complete list Settings now apply to all jobs no longer necessary to select settings for each job you create Some changes with menu appearances n TRAVERSE if the FROM point does not exist you are prompted to enter coordinates for the point now you will not be asked to input the FROM and NEW point again after entering the coordinates VIEW all points with or without point numbers now simply acts as View Extents rather than fit width of screen which then could require scrolling up or down to view all points Coordinates are created as 3D with some supported uses for elevations 26 new and improved set of TOOLS including a vertical curve solver a linear regression utility a level run application 3D Traverse application and a inaccessible point utility Installing COGO 50 Version 1 81 First of all if you happen to have an old Flat Earth Surveys library or a previous version of COGO 50 on your calculator please PURGE it Purging existing copy of COGO 50 Step 1 Open the File Manager on the calculator Left Shift then APPS key Step 2 Press the 2 key to browse Port 2 Assuming COGO 50 is installed there Step 3 Locate COGO 50 and highlight it Step 4 Press the NXT key L Step 5 Press the F1 A key softkey labeled PURGE Installation using SD card Step 1
18. near Re3rezzieon Lau 2D Trauerze Inaccessible Foint D TOOLS MENU The UTILITIES MENU features a variety of tools related to land surveying Version 1 5 has a new triangle solver which allows you to enter the three knowns and the solver will solve for the remaining parts The fields in the input form are listed in order of angle side angle side etc going around a triangle For example known Angle A as 45 Angle B as 45 and Side a as 45 AAS the solver will solve the remaining unknown parts and the area ses TRIANGLE SOLVER 5 The CIRCULAR CURVE SOLVER requires either the radius or deflection angle or both and any other of the horizontal circular curve parameters For a curve of radius 500 and a delta of 45 you get the unknown parts as well as sector segment and fillet areas CIRCULAR CURVE SOLVER Radius SAR Dar lection Angle Tanagnt 5 Are Length The VERTICAL CURVE SOLVER asks for the entry and exit gradients the length of curve and the station and elevation at the BVC EVC VPI or the HIGH LOW point of the vertical curve For example A 500 m long curve with an entry gradient of 6 00 18 and an exit gradient of 2 00 with a VPI station of 44 00 and VPI elevation of 275 750 m UERTICHL CURVE SOLVER 55 22 CURVE SOLVER Entry Gradient Station Exit Groadignt 2 Station Curug Langath HI LOW Station WEI Station 4488 00 ENTERED nz 10
19. o perform a COMPASS RULE ADJUSTMENT Enter the points in order as shown nter Fointz OMPASS RULE ADJUSTMENT Cin orders 12245 13 144 The first screen to follow point entry will show the precision of the adjustment with an option to DJUSTHENT RESULTS apply the compass rule by overwriting the Frecision 1778675 067 existing coordinates with the adjusted F rineter 6571 179 coordinates Point 5 and point 1 will then have WISCLOsE InFo the same coordinates choose Yes YOU Latitude 0 024 will see further explanations of the adjustment if Departure 0 020 you choose then your original coordinates will remain unchanged In the ADJUSTMENTS MENU chose B F2 to rotate points around a base point by a specified rotation angle For example rotating points 11 12 13 and 14 around point 10 clockwise by 90 would be done like this Positive angles indicate clockwise rotation A message box verifying successful rotation follows unless invalid data was entered Points are entered as a range FROM TO zc ROTATE FOINTS 3 S ENTER FOINT RANGE amp POINT RANGE STARTING FROH 12 In the ADJUSTMENTS MENU choose C F3 to move points You have the option to move a range of points by a specified delta Northing and delta Easting or by 2 reference points Choosing option 1 BY AN AE simply allows you to do just that HOVE FOINTS MOVE FOINTS Ev aE MORTHIMNG After entering the
20. s For PLAN points will use only three 20 2000 2000 21 2100 2100 22 2000 2200 or a triangle For LOCAL points will use five points three of which will relate to the PLAN points the other two just randomly placed 30 3022 636 2971 543 31 3071 005 3104 436 32 2938 112 3152 804 33 2918 611 3180 656 34 3075 499 3036 823 Point 20 will relate to 30 21 to 31 and 22 to 32 To check that they in fact have the same relation and only are rotated and moved you can calculate areas or inverse between points and inverse angles Below are areas for 20 21 22 on the left and 30 31 32 on the right Having defined our points we can now transform the 30 34 points group into the 20 22 coordinate system In the ADJUSTMENTS MENU choose E F5 to perform a point transformation You will see four options defining a local range defining local to plan calculate and cancel You will need to define the local range and the local to plan points before calculating First DEFINE LOCAL RANGE You can have more than one local 14 range of points say you had another group for 11 example points 15 19 you could define that EU Peants _ TRANSFORM range as LOCAL as well Choose CANCL when Define Local Ranae done entering all ranges Next DEFINE Define Local Plan Calculate LOCAL PLAN Cancel RANGE STARTING FROH OCAL F IlT ENTER LOCAL FLAN OCAL Choose CANCL when done entering all local to
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