leica gps900 - gefos€¦ · tutorial 1 - staking out a tennis court gps900 4 tutorial 1 - staking...

Leica GPS900Tutorial

Version 2.0English

Introduction GPS900 2

Introduction

PurchaseCongratulations on the purchase of a GPS900 Series instrument.

To use the product in a permitted manner, please refer to the detailed safety directions in the User Manual.

Product identificationThe type and the serial number of your product are indicated on the type plate.Enter the type and serial number in your manual and always refer to this information when you need to contact your agency or Leica Geosystems authorized service workshop.

SymbolsThe symbols used in this manual have the following meanings:

Trademarks• Windows and Windows CE are a registered trademark of Microsoft Corporation• Bluetooth is a registered trademark of Bluetooth SIG, IncAll other trademarks are the property of their respective owners.

Type: _________________________

Serial No.: _________________________

Type DescriptionImportant paragraphs which must be adhered to in practice as they enable the product to be used in a technically correct and efficient manner.

Table of Contents GPS900 3

Table of Contents

Chapter Page

Tutorial 1 - Staking out a Tennis Court 4

Objective 4Before Going Outside 7Conversion of the DXF file 9Orientate onto the site grid 15Stakeout 21DTM stakeout 33

Tutorial 1 - Staking out a Tennis Court GPS900 4

Tutorial 1 - Staking out a Tennis Court

Objective

This tutorial will lead you through the complete stakeout of a tennis court.

After completing the exercise you will be familiar with the following on GPS900:• Creating a job• Importing DXF data into a GPS900 job onboard• Using the GPS Resection to orientate to site grid• Stakeout of points• Checks• Map view• Stakeout of a DTM


Survey to completeA client is building two new tennis courts. Every tennis court has 16 points to stakeout (two net posts and 14 court corners). The corner markings need to be staked out. Afterwards the current surface needs to be compared with the design court surface.


The following steps have to be executed in rotation to complete this tutorial successful.

Title Description KeywordBefore Going Outside Necessary work to be done before starting to work in

the field.Preparation

Conversion of the DXF file Conversion of the transfered DXF file into a GPS900 job. ConversionOrientate onto the site grid Orientation onto the site grid. OrientationStakeout Stakeout the tennis court. StakeoutDTM stakeout Comparison of the current surface with the design

surface of the tennis court.Comparison


Preparation Conversion Orientation Stakeout Comparison

Before Going Outside

ObjectiveBefore going outside the dxf file as well as all the tennis court surface files that make up the DTM have to be transferred onto the RX900.

Key Screen Description1 To transfer data to or from the office computer, the

RX900 controller must be connected to the office computer (optional for RX900 controller with color screen) using Microsoft ActiveSync. Microsoft Active-Sync is the synchronization software for Windows mobile-based pockte computers.Before data can be transferred, the ActiveSync soft-ware must first be installed on the office computer. The ActiveSync software is freeware and is supplied on the GPS900 CD ROM.

2 Turn on the RX900 and connect it with the GEV161 USB cable to the PC. The Microsoft ActiveSync program will start automatically and connect with the RX controller.

PROG



3 Click the Explore button in ActiveSync. The Windows Explorer opens.

4 Copy the TennisCourt.dxf file and paste it into the folder Mobile Device/StorageCard/Data.Mobile Device is the name given to the RX controller by ActiveSync.

5 Copy all the Court surface files that make up the DTM and paste it into the folder Mobile Device/Storage-Card/DBX.

6 Close the Explorer window, the ActiveSync and discon-nect the GPS900 receiver from the PC. Connect the GPS900 receiver to the ATX900.

Key Screen Description



Conversion of the DXF file

ObjectiveBefore starting the measurement the transfered DXF file has to be converted into a GPS900 job.

Key Screen Description1 Turn on the RX900.

CONT 2 Select Main Menu...Management and access the Management panel.

PROG

F1



CONT 3 Select the option Jobs and access the Manage Jobs panel.

NEW 4 Create a new job.


F1

F2



STORE

CONT

5 Enter the name Tennis Court and save the new job. Return to the Main Menu.

CONT 6 Select Main Menu...Convert and access the Convert data panel.


F1

F1

F1



CONT 7 Select the Imp Data and access the Import Data to Job panel.

CONT 8 Select the DXF Import program and access the DXF Import panel.


F1

F1



CONF 9 Select the Tennis Court DXF file in the From File field and choose the Tennis Court job in the To Job field. Access the configuration settings for the DXF Importer.

CONT 10 Ensure that the File Units are set to Metre and the Create Vertex Points setting is set to No.

DXF files have no defined units and therefore the units must be defined in the DXF Import program.

Confirm the configuration settings.


F2

F1



CONT 11 Convert the DXF file.

NO 12 You will automatically get an information about the imported data after the conversion.

For this tutorial you just have to import one file.


F1

F4



Orientate onto the site grid

ObjectiveOrientate yourself onto the site grid by using the GPS Resection application.


CONT 1 Select Main Menu...Programs and access the Programs panel.

F1



CONT 2 Select the GPS Resection program and access the GPS Resection Begin panel.

CONT 3 Enter the name Tennis Court (you must enter a name for the resection !). Select the job Tennis Court in the Job field.

The Tennis Court job includes data imported from the DXF file.

Continue with Step 1 of the GPS Resection.


F1

F1F1



OCUPY 4 You need to select a control point to measure to. Select Blk_1 in the Point ID field, occupy the control point and measure it.The measurement will automatically be stopped, the point will be saved (because of the standard point occupation settings) and you will automatically progress to Step 2.

ADD 5 Within this step you can confirm the measured point and add new points to the GPS Resection calculation. Add a new point.


F1F1

F1F2



DATA 6 Highlight the Point ID field and access the Manage Data panel of the selected job.

PAGE

7 Change to the Map page.


F1F5

F1F1



CONT 8 Highlight the 'top right' point in the map view (BLk_20) and continue.

OCUPY 9 Occupy the control point and measure it.


F1F1

F1F1



CALC 10 Confirm the points to be used in the calculation of the GPS Resection and continue with the calculation.

MORE

STORE

11 Check the results of the GPS ResectionThis screen shows you the largest residuals (position components). Besides you can check the residuals of the height component.If you are content with the results save the GPS Resection.The Tennis Court job is now orientated to the site grid.


F1F1

F1F5

F1F1



Stakeout

ObjectiveNow it is time to stakeout. In this section you will look at the following.• Using the stake filter• The Near button• Checks• Map view


CONT 1 Select Main Menu...Programs and access the Programs panel.

F1



CONT 2 Select the Stakeout program and access the Stakeout Begin panel.

CSYS 3 The Stakeout Begin panel is a "sanity check" that allows you to choose the correct job and coordinate system. Select the Tennis Court job in the Stakeout Job field. The points to stakeout come from the stakeout job and they are stored to the job selected in the Job field. Check that the Coord System used is Tennis Court.


F1

F6



CONT 4 Return to the begin panel.

5 Highlight the Job field and access the Manage Jobs panel.


F1



NEW 6 In the list of jobs highlight the job Tennis Court and create a new job for the 'normal' job.

As the new Tennis Measure job was created when the Tennis Court job was highlighted, it will take over the same coordinate system and codelist.

STORE 7 Enter the name Tennis Measure and save the job.


F2

F1



CONT 8 In the list of jobs select the newly created Tennis Measure job and continue.

DATA 9 GPS900 allows you to apply a stakeout filter to a job. Highlight the Stakeout job in the Stakeout begin panel access the Tennis Court Data Management panel. The Data Management panel lists all the points in the job and also includes a map view page.


F1

F5



SHIFT FILT 10 Access the Sorts & Filters panel.

STAKE 11 From the Sorts & Filters panel access the Stakeout Filter panel.


F5

F5



CONT

CONT

CONT

12 You will apply the Points to stakeout filter to the Tennis Court job. Select Pts to Stakeout from the choicelist in the View field and return to the Stakeout begin panel.

CONT 13 From the Stakeout Begin panel continue the stakeout program.


F1

F1

F1

F1



CONT 14 In the Stakeout Task field you have to select what type of stakeout work you would like to do.

For this part of the exercise please select Points only and continue.

If you do not have the DTM Stakeout option then this panel does not appear.

PAGE 15 Within the Stakeout panel the stakeout action starts.Switch to the map view.


F1

F6



PAGE 16 Here you can see the points to stakeout and your current position. You can zoom into your current posi-tion.On the top you can see the distance (DIST:) and the fill (FILL:) or cut (CUT:) to the stakeout point.

OCUPY 17 Stakeout first point. Use the map view to move to the point to stakeout. As you near the point you may have to zoom in. When you are within 0.50m you will hear the GPS900 beeping. Look at the arrow in the map view. This shows you the direction to the point to stakeout. When you have reached the point ocupy and measure it.


F6

F1F1



18 Look again in the map view. The point has disap-peared !

The filter that you set before means that after recording a point it is removed from the map view. You only see what it left to stakeout.

PAGE

NEAR

OCUPY

NEAR

19 Find the nearest point to your current position to stakeout.Switch back to the Stake page. Here you can use the bull's eys together with the numeric values to move to the stakeout point.Stakeout the point and find the next nearest point.


F6

F2

F1F1

F2



SHIFT CONF

PAGE

20 Every tennis court needs to be set out to a certain accuracy. The GPS900 allows you to define certain QC controls that ensure that points are recorded with a defined quality. Access the stakeout configuration panel and switch to the Checks page.

CONT 21 Add a position check of 0.02m and a vertical check of 0.04m.

Accept the check settings and continue.


F2

F6

F1



OCUPY

BACK

22 Ckeck the check. Move about one metre away from the point to stakeout and measure. After the meas-urement is stopped you will receive a Difference Limit Exceeded warning. This panel shows you how far your are away from the stakeout point.

It would be possible to skip the point or save it despite being outside the defined limit. But you wont do that.

The tennis court should be set properly, so go back stakeout the correct position!

23 Finish stakeout the tennis courts. Stakeout the remaining points to finish the two tennis courts. Each court should have 16 points (two net posts and 14 court corners).

Now you have finished staking out the corners of the tennis courts. Do not leave the stakeout program, but return to the Stakeout Task panel. In the next step you will check how the current surface differs to the design court surface.


F1

F1



DTM stakeout

ObjectiveComparison of the current surface with the design surface of the tennis court. The design surface is represented by the DTM which was transfered onto the RX900 in "Before Going Outside".

Key Screen Description1 Return to the Stakeout Task panel.

CONT 2 In the Stakeout Task field choose DTM only and in the DTM Job field choose Court Surface and continue.

ESC

F1



3 Inside the tennis court boundaries you are on the DTM. Here the actual surface can be compared to the DTM design surface in real-time.The D Ht field shows the design surface height at the current position. The difference from the current height and the design surface height is shown in CUT/FILL.

Notice the behaviour of the bull's eye when you approach the design surface.

4 Move around the court and check the surface in various locations. Switch to the Map view. Within the Map view the current position can be seen.

5 Job well done !


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