Spectra-precision Survey Pro CE v3.60 GPS User Manual Manual de usuario Pagina 1

SURVEY PRO for Windows® CE GPS User’s Manual 2002 Tripod Data Systems, Inc. All Rights Reserved

GPS User’s Manual 6 • Custom Datum Transformations Most North American and international datums are pre programmed into the Survey Pro coordinate sys

5 Job Menu A: Settings B: New C: Open D: Edit Points E: Edit Polylines F: Edit Alignments G: Auto Linework H: Save As I: Import Coordinates J: Export

GPS Reference Manual 6 Settings The Settings screen opens several individual screens that control all hardware and software settings. The screens

Job Menu 7 Receiver Settings The Receiver Settings card is used to select the GPS receiver make and model as well as the mode of differential da

GPS Reference Manual 8 Measure Mode Settings The Measure Mode card is used to configure the RTK data collection settings. Receiver Dynamics: is

Job Menu 9 Note: All receivers need to be in static mode to record Rx. Raw, and some receivers always record Rx. Raw when in static mode. If the co

GPS Reference Manual 10 Auto Accept: is where you select to use criteria for automatic point acceptance. When checked, both the data and Offset Shot

Job Menu 11 Post Process Settings The Post Process card is used to configure the post processing raw data storage settings. Recording Interval:

GPS Reference Manual 12 Note: This function only works during post processing data collection using the session screen. For status during simultane

Job Menu 13 : opens the Receiver Communications screen, where many of the displayed communications settings can be changed. Receiver Communication Sc

GPS Reference Manual 14 : checks the receiver at all allowable baud rates to find the current receiver communication settings. If this function succ

GPS Coordinates 7 • NGVD29 The first continental height datum in the United States was the National Geodetic Vertical Datum of 1929 (NGVD29). Accord

Job Menu 15 Radio Communications Screen -or- The Radio Communications screen is used to change the settings for communication b

GPS Reference Manual 16 Radio Settings Screen -or- The Radio Settings screen is used to configure settings of the base or rover

Job Menu 17 Rover Radio Settings The Rover Radio Settings card is used to view and configure the settings for the radio used with the rover

GPS Reference Manual 18 RTK Configurations The RTK Configurations Settings card is used to configure automatic connection when RTK base and

19 Survey Menu – RTK The Survey Menu contains the routines used for collecting data. The screens below are available only when running Survey Pro in

GPS Reference Manual 20 GPS Status The GPS Status screen contains several index card-format screens providing information about the current GPS s

Survey Menu – RTK 21 • Code: we are receiving a code differential solution (precision is about 1 to 10 meters). • Float: we are receiving a carrier p

GPS Reference Manual 22 consistently greater than one second, check the radio link. Reception: displays the receiver’s estimation of the percent qual

Survey Menu – RTK 23 Position The Position card displays your current position as well as your course and speed information if you are moving. Positi

GPS Reference Manual 24 Base Height: displays the current height of the base point set in Survey Pro. Antenna: displays information about the antenna

GPS User’s Manual 8 GreenwichMeridianEquatorφλXZYhCoordinate Systems A coordinate system is a way to describe positions in a datum. Coordinate syste

Survey Menu – RTK 25 : opens the final Base Setup screen. The final screen depends on the base point you choose: • If the base point has existing g

GPS Reference Manual 26 Base Point: displays the base point name chosen in the previous screen. Latitude: is where you enter the WGS84 latitude for t

Survey Menu – RTK 27 Phase CenterRadiusSlant OffsetVertical OffsetMeasurementPointMarkerVerticalHeightSlantHeightBase Receiver Antenna The

GPS Reference Manual 28 Note: When this screen is used by the RTK rover for updates of antenna height during a survey, the Set button will send the

Survey Menu – RTK 29 Measured: is where you enter the height of the antenna, measured to the location specified on the Rover Receiver Antenna screen.

GPS Reference Manual 30 : opens the Rover Receiver Antenna screen, which is identical to the Base Receiver Antenna screen discussed on Page R-27 wher

Survey Menu – RTK 31 Check Control Point Screen The Check Control Point screen is used to check a control point. This is done when you want t

GPS Reference Manual 32 Occupy Control Point Screen The Occupy Control Point screen is used to add geodetic coordinates for a known project po

Survey Menu – RTK 33 Data Collection The Data Collection screen is used to collect new points for the current job. GPS Status: displays the curre

GPS Reference Manual 34 Feature Collection Screen The Feature Collection screen is used to partially automate the process of data collection.

GPS Coordinates 9 • ECEF XYZ Geodetic coordinates are some times given in the Earth Centered Earth Fixed (ECEF) Cartesian coordinate system. This c

Survey Menu – RTK 35 Interval: is where you enter the interval criteria used for continuous collection modes. The Interval field is not available if

GPS Reference Manual 36 Slope Dist / Horizontal Dist: is where you enter the slope distance or horizontal distance from the occupied point to the off

Survey Menu – RTK 37 : returns you to the previous screen, and depending on which screen was used to open the Occupy Data Points screen, will usually

GPS Reference Manual 38 Mapping Plane The Horizontal tab of the Projection screen is explained below for when the horizontal projection type is s

Survey Menu – RTK 39 : opens the Solve Localization screen, where the control points can be selected and the horizontal and vertical localization are

GPS Reference Manual 40 deletes the currently selected site or zone. Note: Delete cannot be undone. Also, you cannot delete system database record

Survey Menu – RTK 41 Grid and Azimuth Parameters: is where you select the grid azimuth and the positive coordinate direction. • North Azimuth: is whe

GPS Reference Manual 42 Projection Key In Setup - Oblique Mercator This page is only displayed when the Zone type is set to Oblique Mercator Angle.

Survey Menu – RTK 43 Values: is where you enter the values for the custom ellipse if you are not using Ellipse from List: Ellipse a: is where you e

GPS Reference Manual 44 Projection Key In Setup - Datum from Data Base The following screen is only displayed when Datum type is Pick from Data Base

GPS User’s Manual 10 Horizontal Coordinate Systems Survey projects use horizontal coordinates on either a local plane or a map projection. For small

Survey Menu – RTK 45 Ground - TDS Localization The Horizontal tab of the Projection screen is explained below for when the horizontal projection type

GPS Reference Manual 46 Localization Projection Setup The Localization Projection Setup screen is used to manually configure the parameters of t

Survey Menu – RTK 47 Localization Data Base The Localization Data Base screen is used to pick a localization reference stereographic map proje

GPS Reference Manual 48 Solve Localization The user interfaces for mapping plane calibration and TDS Localization are mostly identical. TDS Localiza

Survey Menu – RTK 49 Fix scale to 1.0: Check the Solve Rotation Only control to constrain the least squares solution to a scale of 1.0. Do this when

GPS Reference Manual 50 A point list of all control points is displayed along with the residual or misclosure for each point (depending on least squa

Survey Menu – RTK 51 Vertical Card The Vertical card is used to manually enter the five parameters of the vertical localization solution. Slope N: is

GPS Reference Manual 52 : opens the Localization Calculator screen where the horizontal scale factor is explained. Rotation: is where you enter the r

Survey Menu – RTK 53 Localization Calculator – Rotation In order to compute the localization rotation, you need a known geodetic coordinate sy

GPS Reference Manual 54 Solve Localization – Results or or Horizontal Card The Horizontal card shows results of the horizontal localizat

GPS Coordinates 11 • Area A map projection is equi-areal when it correctly plots areas over the entire map. That is, all mapped areas have the same

Survey Menu – RTK 55 Vertical Card The Vertical card shows results of the vertical localization solution. Status: displays the status of the current

GPS Reference Manual 56 Vertical Card The Vertical card displays information about the currently selected horizontal projection method. If the

Survey Menu – RTK 57 : opens the Geoid Model Setup screen, where you can select a geoid to use with the current zone, change the geoid file of the se

GPS Reference Manual 58 Ellipsoid Height The Vertical tab of the Projection screen is explained below for when the vertical projection type is set to

Survey Menu – RTK 59 Receiver Recording The Receiver Recording screen is used to start or stop the receiver recording. When in RTK mode, it allows

GPS Reference Manual 60 title of this field changes depending on if the antenna has already been setup. Measured: is where you enter the height of th

Survey Menu – RTK 61 Readjust Points The Readjust Points screen is used to readjust selected points with the latest projection settings. The horiz

GPS Reference Manual 62 Readjust Points: Plane to Geodetic – Screen Two Points Selected: displays the number of points selected. : calculates the dif

Survey Menu – RTK 63 Readjust Points – Recalculate Results Displays the number of points that were adjusted and if any points were not adjusted, a br

GPS Reference Manual 64 Projection Calculator – Rotation Convergence: displays the computed rotation from geodetic north to grid north. Rotation: dis

GPS User’s Manual 12 Lambert projections are used for about half of the State Plane Coordinate System zones in the USA. • Stereographic The Stereogr

Survey Menu – RTK 65 Projection Calculator – Scale Mapping Plane Scale Factor: displays the computed mapping plane scale factor on the selected mappi

67 Survey Menu – Post Processing The Survey Menu contains the routines used for collecting data. The screens below are available only when running Su

GPS Reference Manual 68 GPS Status The GPS Status screen contains most of the same index card-format screens as the RTK Status case. When in Post

Survey Menu – Post Processing 69 Remaining: displays the time remaining in the current session if a session is in progress. If your receiver does no

GPS Reference Manual 70 Rec Interval: the recording interval set on the Post Process card of the Job, Settings screen (page R- 11). Mem. Threshold:

Survey Menu – Post Processing 71 screen, which is described on Page R-69, except that the user is not automatically taken to the session page after s

GPS Reference Manual 72 RTK data collection. If you are storing this point in the receiver file only, then the point control is replaced with a simp

73 Stakeout Menu The Stakeout Menu contains the routines used to stake existing points and other known locations. A: Stake Points B: Polyline Points

GPS Reference Manual 74 Stake Points The Stake Points screen in used to locate and stake out points in the field from coordinates in the job file.

GPS Coordinates 13 Fig. 3: Transverse Mercator Mapping Plane A side view of the cylinder shows the effect of scale distortion. EllipsoidMapping Pla

Stakeout Menu 75 Rover is greater than 3 m (10 ft) from the design point. Rover is between 0.3 and 3 m (1 and 10 ft), from the design point. Rover

GPS Reference Manual 76 Note: When Store GPS Raw Data on the Job/ Settings/ Measure Mode card (Page R-8) is set to + Rx. Raw (and / or +OBN for Asht

Stakeout Menu 77 Stake to Line – Screen Two The second screen is where measurements take place and the staking directions are displayed. The graphic

GPS Reference Manual 78 5 Hz Mode: switches the receiver from one Hz to five Hz mode. When this box is checked, the receiver will compute positions

Stakeout Menu 79 : prompts you for a point name and description and stores a point for the current location. Note: When Store GPS Raw Data on the Job

GPS Reference Manual 80 Although the graphic portion of the screen is continuously updated, the numeric values are not updated until the button is

Stakeout Menu 81 Note: The Vertical Map will show an X at the location of each previous shot. This can be useful in determining if the current terra

GPS Reference Manual 82 VD to HP: is the vertical distance from the rod to the hinge point. HD to CL: is the horizontal distance from the rod to the

Stakeout Menu 83 backsight information is replaced with rover antenna height information. See the conventional Reference Manual for details.

GPS Reference Manual 84 Show Station and Offset The Show Station and Offset routine allows you to position the rover anywhere near a polyline, a ra

GPS User’s Manual 14 Ellipsoid Scale Factor This scale factor accounts for the height of the ground above the reference surface (the ellipsoid). T

Stakeout Menu 85 Note: When Store GPS Raw Data on the Job/ Settings/ Measure Mode card (Page R-8) is set to + Rx. Raw (and / or +OBN for Ashtech) swi

GPS Reference Manual 86 Stake DTM The Stake DTM routine allows you to stake an area and get cut / fill and volume information based on a referenc

Stakeout Menu 87 Note: When Store GPS Raw Data on the Job/ Settings/ Measure Mode card (Page R-8) is set to + Rx. Raw (and / or +OBN for Ashtech) sw

GPS Reference Manual 88 C.L.: shows the current station and offset information for the rover location relative to the selected centerline. The type

Stakeout Menu 89 Inverse Menu All of the routines available from the Inverse Menu are identical to those explained in the conventional Reference Manu

Index A adjust horizontal / vertical62, 63 antenna height...R-70 ASCII...69, 70 auto detect...

HARN...5 horizontal datums...4 HARN...5 NAD27...

Index general card ...R-17 receiver card...R-12 rover radio card ...R-17 RTK config card...R-18 r

GPS Coordinates 15 Geoid Models in TDS Software Survey Pro has several geoid models in the coordinate system database. All of the geoid models use d

GPS User’s Manual ii TRIPOD DATA SYSTEMS SOFTWARE LICENSE AGREEMENT IMPORTANT: BY OPENING THE SEALED MEDIA PACKAGE, YOU ARE AGREEING TO BE BOUND BY

GPS User’s Manual 16 Survey Pro Coordinate System Database Survey Pro uses a Coordinate System Database file (*.CSD) to store the map projection and

17 GPS Measurements This section gives a brief explanation of GPS measurements. First, a discussion of the basic theory of differential positioning w

GPS User’s Manual 18 Differential Solutions: Types and Quality Code Differential Code differential solutions use the Coarse Acquisition (C/A) naviga

GPS Measurements 19 Differential GPS with Survey Pro DGPS requires raw data measured from separate receivers to be combined into a single range diffe

GPS User’s Manual 20 RTK Settings If you are using Survey Pro for RTK, or RTK and post processing simultaneous data collection, the following cards o

21 RTK Data Collection RTK data collection uses differential GPS corrections broadcast by a base receiver to solve for coordinates at a rover receiver

GPS User’s Manual 22 Projection Mode Summary Horizontal Ground - TDS Localization • Local coordinates are at ground level, based on the project heig

RTK Data Collection 23 Note: If you are using Ground- TDS Localization for your horizontal projection mode, and you want to use a geoid, you only ne

GPS User’s Manual 24 Mapping Plane Setup Use the Mapping Plane Setup screen to either select a map projection zone from one of the zone groups, or se

RTK Data Collection 25 • Use the Key In Parameters button to open the Projection Key In Setup screen where you can configure a custom map projection

iii Table of Contents Introduction...1 GPS Coordinates...

GPS User’s Manual 26 • North\East Grid. Select this choice to have coordinates increase positive in the north and east directions. • South\West Grid

RTK Data Collection 27 Note: Note the sign of the datum shift and rotation parameters. Some datum transformations are given in terms of local datum

GPS User’s Manual 28 Using Ellipsoid Heights Ellipsoid height is a method that stores the local ellipsoid height measurement as the vertical coordina

RTK Data Collection 29 6. Plug the data collector into the receiver. 7. Go to the Receiver card from the Job, Settings screen. Tap . Data Collecto

GPS User’s Manual 30 16. Set any other parameters specific to your brand and model. On the General card, different receiver brands have special sett

RTK Data Collection 31 Note: If this receiver has already set an antenna with Survey Pro, the measurement and settings will be recalled from the reg

GPS User’s Manual 32 SET Base at Known Geodetic Coordinate 5. Tap to configure the base receiver with this position and begin broadcasting RTK corr

RTK Data Collection 33 Rover Receiver Setup Use the Rover Setup screen to configure a GPS receiver to be an RTK rover. 1. Go to Rover Setup from the

GPS User’s Manual 34 c. Note: If you have post processing data collection turned on, the receiver will now open a file (with the next available def

RTK Data Collection 35 least squares solution using the control points. These parameters are added to the zone record (selected map plane zone or de

GPS User’s Manual iv Bluetooth Error Messages ...59 Projection Utilities...

GPS User’s Manual 36 Take GPS measurements to a minimum of two horizontal control points, and either one vertical control point (to calculate shift f

RTK Data Collection 37 Note: If you select a point from the job’s control file, you will be prompted to make a local copy of the point. Control po

GPS User’s Manual 38 8. Tap to open the Solve Localization wizard. Note: If you are using localization for the vertical transform mode, then the

RTK Data Collection 39 • Unique: the solution was calculated using less than the minimum number of control points (1 horizontal or 2 vertical). In

GPS User’s Manual 40 Manual Entry of Parameters Manual entry of parameters is used when you already know the appropriate horizontal and vertical loca

RTK Data Collection 41 Localization Parameters Explained Before you accept a localization solution, you should evaluate the parameters and the qualit

GPS User’s Manual 42 Mapping Plane Mode: Scale: is the scale difference between the intermediate mapping plane using the autonomous GPS position and

RTK Data Collection 43 Vertical Calibration and Geoid Modeling If you do not use a geoid model, vertical localization will solve for slope and sepa

GPS User’s Manual 44 • Geometry of control points: the control points should be distributed evenly surrounding the survey area. • Check points: a

RTK Data Collection 45 Ground - TDS Localization Explained: When the horizontal projection mode is Ground - TDS Localization, a default map projectio

Introduction This book is divided into two parts. The first part is the user’s manual. The second part is the reference manual. The users manual i

GPS User’s Manual 46 • When you collect geodetic measurements, each new point is assigned the set up group of the current base station. • When you

RTK Data Collection 47 • Delta N and E are the translations between the desired local start coordinate and the origin of the TDS Localization map pr

GPS User’s Manual 48 6. Examine the results. The Rotation is the negative of meridian convergence between the central meridian of the selected map

RTK Data Collection 49 RTK Data Collection Once your horizontal and vertical projections are solved, you are ready to collect data. The different me

GPS User’s Manual 50 Note: Raw data types + Rx Raw (and/or + OBN for Ashtech users) are only available when Receiver Dynamics is set to Static on oc

RTK Data Collection 51 Data Collection Methods Data Point Use this method if you want to occupy points one at a time. 1. Go to Data Collection from

GPS User’s Manual 52 Offset Point Use this method if you cannot occupy a point directly, but you can occupy a location close by and provide an azimut

RTK Data Collection 53 Occupying a point on line with the reference point and the offset point. After you occupy the reference point, tap and the

GPS User’s Manual 54 4. Tap . On the Feature Collection screen, select a Method. An explanation of the selected method is displayed at the bottom

RTK Data Collection 55 RTK Stake Out Stake out with GPS is very similar to stake out with conventional instruments. See the user’s manual for detail

2 GPS Coordinates To represent positions in space you need two things. First, you need a datum to define an origin, an orientation, and a scale. Seco

GPS User’s Manual 56 Bluetooth Communication Survey Pro can communicate using a wireless Bluetooth connection. Bluetooth technology uses a short-ran

RTK Data Collection 57 3. Open the Microsoft® Bluetooth Device Management applet. This is typically accessed from the Windows® CE.NET Control Panel

GPS User’s Manual 58 8. After returning to the Receiver Communication screen, tap and the new trusted device will be displayed. 9. Tap to continu

RTK Data Collection 59 Recovering from Signal Loss If Bluetooth communications failure occurs and the software is not able to recover, you may need t

61 Projection Utilities Projection Calculator You can use the Projection Calculator to calculate combined scale factor for scaling conventional dista

GPS User’s Manual 62 Convergence Calculator 1. Go to Projection Calculator from the Survey menu. 2. Choose a point on the mapping plane for conver

Projection Utilities 63 4. Tap . You will be warned that coordinates will be changed. If you are sure you are ready to proceed, tap . 5. The fin

GPS User’s Manual 64 5b. Tap to generate new GPS coordinates based on the plane coordinates. This action will change point records and you will

Projection Utilities 65 Note: If your projection is a localized site, then any errors in the localization solution will propagate through to the new

GPS Coordinates 3 Geocentric datums such as WGS84 use a rotational ellipsoid to model the shape of the earth. The WGS84 ellipsoid was based on and i

66 Managing GPS Coordinates with TDS Survey Pro for Windows CE uses a binary file with the extension *.job. A .JOB file point record will contain a

Managing GPS Coordinates 67 • GPS Control Point: You can ‘occupy’ a localization and hand enter a geodetic location. • GPS Check Point: You can

GPS User’s Manual 68 Import a .GPS File You can use Import Coordinates from the Job menu to merge DOS control point measurements (in a *.GPS file) wi

Managing GPS Coordinates 69 Survey Link File Import To create a .CR5 or an ASCII text file from a .JOB file, go to Survey Pro CE Import/Export from t

GPS User’s Manual 70 File Export To create a .JOB file from either an ASCII text file or a .CR5 file, go to Survey Pro CE Import/Export from the Tran

71 Post Processing Data Collection Post processing data collection uses GPS raw data stored in the receiver’s internal memory. Raw data from multipl

GPS User’s Manual 72 Start Recording in Receiver 1. With the GPS Mode set to Post Process, go to the Survey menu. 2. Choose Start Static Rx. if yo

Post Processing 73 file only, the site ID can be any valid name for the receiver and you are not prompted for layer or attributes. Note: If you are

GPS User’s Manual 74 Office Procedure 1. Use the software supplied by the receiver manufacturer to download the files from receiver internal memory

75 Tutorial Jobs This section contains sample jobs to illustrate all of the main functions of Survey Pro GPS Module. Each job illustrates different

GPS User’s Manual 4 Below is a description of some common horizontal and vertical datums used by Survey Pro. Horizontal Datums • NAD27 The North Ame

GPS User’s Manual 76 Scenario Your firm has done many jobs over the years at a particular site. You want to use your RTK system to generate new coor

Trouble Shooting 77 • Enter the antenna measurement for the rover. • Tap 5. Collect control points. • From the GPS Survey menu, tap Control Po

GPS User’s Manual 78 • The Delta values represent the shift from the TDS Localization stereographic zone false northing and easting (100000.0, 10000

Trouble Shooting 79 • Tap to configure the base station. Since the Localization adjustment is already solved, you will not be prompted to solve t

GPS User’s Manual 80 Reuse Localization Solutions Objectives This tutorial job will teach you: • How to reuse a localization solution in a new job. •

Trouble Shooting 81 • Go to Rover Setup. Set the rover 4. Check point • Go to Control Points and select point 3 for a . The results should be ne

GPS User’s Manual 82 Procedure 1. Create a new job. • Enter 1 as the default starting point name and accept the default start location (5000, 5000,

Trouble Shooting 83 Mapping Plane with GPS and Conventional Measurements Objectives This tutorial job will teach you: • How to use GPS Stake Out. • H

GPS User’s Manual 84 record. You can also key in a custom map projection zone using the wizard. • Make sure Oregon North is still selected and ta

Trouble Shooting 85 • Stake out to Point 101 has now begun. Watch the design location move to the rover location, as you get closer. • Press to

GPS Coordinates 5 (ITRF). Because the earth’s center of mass and spin axis drift over time, you will often see the WGS84 datum followed by brackets

GPS User’s Manual 86 • Select a starting point and a direction. • Enter a horizontal distance in the Horz Dist field, tap the corresponding power b

Trouble Shooting 87 Trouble Shooting Hardware Configuration o You attempt to auto detect and the program fails to find the baud rate of the receiver.

GPS User’s Manual 88 o You attempt to change the radio channel on a radio that supports software breaks and you are still prompted to toggle the powe

Trouble Shooting 89 o You set up the rover and the Rx. Light on the rover radio is not blinking. Make sure the radio serial cable is connected. Make

GPS User’s Manual 90 when you do a check point, the errors are larger than the instrument precision. Make sure you did not occupy the wrong control p

91 References Books: The following books are available from various sources, including the America Congress on Surveying and Mapping: 5410 Grosvenor

SURVEY PRO for Windows® CE GPS Reference Manual 2002 Tripod Data Systems, Inc. All Rights Reserved

ii TRIPOD DATA SYSTEMS SOFTWARE LICENSE AGREEMENT IMPORTANT: BY OPENING THE SEALED MEDIA PACKAGE, YOU ARE AGREEING TO BE BOUND BY THE TERMS AND CONDI

iii Table of Contents Job Menu.......R-5 Settings ...

iv Curve and Offset................R-82 Spiral and Offset............