Chapter 11 Mapping Survey Data in MicroStation V8

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							                                     Chapter 11
                                Mapping Survey Data
                                 in MicroStation V8
Survey Data File Formats ................................................................................................ 11-2
Mapping Survey Data ...................................................................................................... 11-2
   Open MicroStation V8 .............................................................................................. 11-2
   Open Geopak Survey ............................................................................................... 11-5
   Create a New Project ............................................................................................... 11-6
   Select a Project User................................................................................................ 11-7
   Set Project Preferences ........................................................................................... 11-9
ASCII Text Coordinate Files .......................................................................................... 11-12
   Mapping a Coordinate File ..................................................................................... 11-22
Processing Measurement Files ..................................................................................... 11-26
    Mapping a Measurement File ................................................................................. 11-34
Review the Mapped Survey Data .................................................................................. 11-38
    Mapping Errors ...................................................................................................... 11-40




                                   Interesting New Topics in this Chapter



                  Projects are now mapped in MicroStation version V7 and V8.
                  Geopak Survey 2004 is capable of reading Trimble data files.
                  Plotting coordinate and measurement files.
                  Visualize and unvisualize are new MicroStation V8 features.
Mapping Survey Data in MicroStation V8
Survey Data File Formats
There are still projects which are being collected and mapped using MicroStation V7 and the PS02 feature
codes. Geopak Survey 2001, used with MicroStation V7, is unable to read Trimble data files but can read
Sokkia SDR33 data files. The Sokkia 14 character alpha numeric format is the only format accepted for
measurement data files associated with MicroStation V7 projects. The previous edition of this chapter is
still relevant and can be viewed by clicking on the following link:

       The previous edition of Chapter 11

Since early 2007, all new WYDOT projects have been designated as MicroStation V8 projects. The
preliminary surveys for these projects are collected using the PS06 feature codes. Geopak Survey 2004,
used with MicroStation V8, is capable of reading the Trimble format files. Therefore, the native Trimble
format is the preferred file format for MicroStation V8 projects.



Mapping Survey Data
WYDOT field crews have begun using GPS equipment for preliminary survey data collection. These
surveys were traditionally collected with conventional surveying equipment. Currently, Geopak Survey is
not capable of reading GPS data files. The data files produced from the GPS equipment can only be
processed using the manufacturer’s proprietary software. It is necessary to convert the raw GPS data files
into ASCII text coordinate files. These coordinate files shall be submitted in a specific format and are
required for all GPS surveys.

Coordinate files are required for private consulting firms submitting survey data files to P&S. WYDOT field
offices are also required to submit coordinate files for all RTK collected surveys. Each coordinate file shall
be accompanied by a signed and sealed cover letter. Refer to Chapter 13 in this manual regarding the
transfer of survey data.

Mapping these survey data files in MicroStation V8 are discussed in detail in this Chapter.


Open MicroStation V8
Double-click the MicroStation V8 icon found on the PC desktop. Use the MicroStation Manager
window to browse to the project directory.




                                 Figure 11-1. Open MicroStation V8.


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                                 Figure 11-2. MicroStation Manager.

To create a new MicroStation design file, click on File and then New.




                               Figure 11-3. Create a new design file.




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Mapping Survey Data in MicroStation V8
Select a seed file by clicking the Select button. The path to the seed file folder is: O:\cad_std\wystn\seed\
phseed\V8. Highlight the PS_V8UpdateSeed.dgn seed file and click OK. Next, enter the name for the
new .dgn file. The design file name does not have to adhere to a specific naming convention. Click the OK
button when the file name has been entered.




                                    Figure 11-4. Select a seed file.




                                    Figure 11-5. Enter a file name.




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Click the OK button to open the new design file.




                                 Figure 11-6. Open the design file.



Open Geopak Survey
Click Applications, select GEOPAK SURVEY and then Survey.




                                 Figure 11-7. Open Geopak Survey.




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Create a New Project
Click Project, then select New to make a new Geopak project.




                                  Figure 11-8. New Geopak project.

Enter the 7 digit project number in the Name field. Leave the Directory field blank. Enter a unique three
digit numerical value in the Job Number field. An entry in the Description field is optional. Click the Ok
button.




                                Figure 11-9. The Project New window.




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Select a Project User
Click Project, then select Users. Click on Users, then New in the Project Users window.




                               Figure 11-10. Select a project user.




                                 Figure 11-11. Create a new user.




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Place an entry in the Name, Full Name, and OP Code fields in the New User window. An entry in the
Description field is optional. Click the OK button.




                                Figure 11-12. New User window.

Do not assign a password.




                                     Figure 11-13. Select No.




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Highlight the appropriate user in the Project Users window and click the OK button.




                                     Figure 11-14. Select a user.


Set Project Preferences
Click Project, then select Preferences.




                                  Figure 11-15. Select Preferences.




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There are 5 tabs in the Project Preferences window. Each tab has options that should be reviewed before
processing the survey.




                                   Figure 11-16. Project Preferences.

Click the Visualization tab. The Plot Scale has a default setting of 100. Symbols and text plotted at this
scale will result in a cluttered map. Depending on the size of the survey, enter a Plot Scale in the range of
0.100 to 1.000. Verify that the SMD Feature File field is set to use the appropriate “smd” file. To
change the smd file, click the Select SMD Feature File icon.




                                  Figure 11-17. Visualization settings.




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Click the Geometry tab, then click the Set Global Geodetic Data button.




                                  Figure 11-18. Geometry settings.

Select the 1983 State Plane datum in the System field and the appropriate Wyoming state plane zone in the
Zone field. For more information on state plane zones, review Section IV, Control Surveys, in the
WYDOT Survey Manual. Click the OK button when both fields are set.




                         Figure 11-19. Set Global Geodetic Data window.




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Mapping Survey Data in MicroStation V8
An Information window will appear with the message “Global Geodetic System written
successfully.” Click on the OK button to continue.




                                  Figure 11-20. Information message.

Click the DTM tab. Highlight the Settings option. Set the Side Length field to 30.000 ft. This setting
determines the longest triangle leg plotted from the project .tin file.




                                      Figure 11-21. DTM settings.

The specific data format can now be selected. The two Data Source options used by WYDOT are ASCII
Files and Data Files. ASCII text files are coordinate files that are imported into a MicroStation design file
and mapped by Geopak Survey. For more information on ASCII coordinate files, proceed to the next
section. Data files are text files containing measurements which have been conventionally collected with a
data collector. For more information on data measurement files, proceed to that section on page 26.



ASCII Text Coordinate Files
ASCII text coordinate files are required for private consulting firms submitting surveys to P&S for inclusion
into project mapping files. These consultants are not required to use specified hardware and software.
However, their contracts require that the survey data be in a specific format.




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Coordinate files are necessary to create survey files in the same format regardless of the equipment
used to collect it. WYDOT field offices are also required to submit coordinate files for RTK
collected surveys. Each coordinate file shall be signed and sealed by a P.L.S. or P.E. and
accompanied by a cover letter. Refer to Chapter 13 for more information on transferring survey files.

The ASCII coordinate file is a text file and not a spreadsheet (QuattroPro or Excel) or word processor
(Word or WordPerfect) document.

                 Common WordPerfect file extension: .wpd
                 Common Word file extension: .doc
                 Common QuattroPro file extensions: .wb2, .wb3, and .qpw
                 Common Excel file extension: .xls
Text files can have a variety of extensions: .raw, .edt, .txt, .csv, .cor, etc. Click on the link below to review
an example of a properly delimited coordinate file. Included in the example is a thorough discussion of the
data format.

     Sample PS09 Coordinate File.txt

Each signed and sealed coordinate file received from a consultant or field office shall not be edited by P&S
personnel. Once the data is mapped, any deficiencies in content or intent shall be subject to a peer to peer
review with the submitting party. Any necessary corrections shall be performed by the P.L.S. or P.E. and
resubmitted when complete.

Continue with the Geopak Survey Project Preferences window, see Figure 11-21 on page 12. Click the
Dataset tab and highlight the Data Source option. Click the Empty button and select the ASCII File(s)
option.




                                      Figure 11-22. Dataset settings.



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Mapping Survey Data in MicroStation V8




                 Figure 11-23. Select the Data Source.




                      Figure 11-24. ASCII File(s).




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Highlight the Linking Codes option. Control codes in WYDOT feature code lists are referred to as linking
codes in Geopak. Verify that all of the fields are filled out as shown in Figure 11-25. The linking codes in
the PC Curve and PT Curve fields will need to be changed to a CF* linking code. When finished, click
the Ok Button.




                                     Figure 11-25. Linking Codes.

Click Dataset, then select New.




                                  Figure 11-26. Create a new dataset.




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Mapping Survey Data in MicroStation V8
Enter a dataset name. An entry in the Description field is optional. Leave the Output Directory field
blank. If the Use dataset as output sub-directory box is checked, a folder with the same name as the
dataset will be created. This folder will be placed in the same project directory as the MicroStation design
file. The .cgr, .obs, .xyz, default.con, and feature.err (when developed) files created by Geopak Survey
will be placed in this folder. If the Use dataset as output sub-directory box is not checked, these output
files will not be placed in a separate folder. Click the Dataset Add Source File to List button.




                               Figure 11-27. The Dataset New window.

Use the Select File(s) window to locate the data file to be processed. Click OK when the coordinate file
has been highlighted.




                             Figure 11-28. Highlight the coordinate file.


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Click the Ok button on the Dataset New window.




                              Figure 11-29. New dataset created.




                        Figure 11-30. The XYZ to Coordinates window.




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Mapping Survey Data in MicroStation V8
Click the Delimiter button to assign another column delimiter. Highlight the Other option in the list.




                                   Figure 11-31. A list of a delimiters.

Place a grave (‘) in the Other delimiter field. The at symbol (@) is the default Comment Delimiter.
Scroll down and highlight the first line of data in the coordinate file window.




                        Figure 11-32. First line of data in the coordinate file.


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Click the first None button. These buttons are the column headers for the coordinate file. Assign the
appropriate header for each column.




                              Figure 11-33. Assigning column headers.

The column headers from left to right are:

                PNum
                Y
                X
                Z
                Par Name
                Par Value
                LcodePCode
Use the Next>> and the <<Prev buttons to scroll between column headers. When all column headers
have been selected, click the Chain button and select Upgrade.




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Mapping Survey Data in MicroStation V8




               Figure 11-34. Column headers completed.




                    Figure 11-35. Select Upgrade.




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Click the Process button to produce the .cgr, .obs, and .xyz files. Click OK on the Alert window.




                                     Figure 11-36. Alert window.

Close the XYZ to Coordinates window. Click Dataset and select the Import To GPK option. The
coordinate file data will now be saved in a .gpk file.




                             Figure 11-37. Import data to the .gpk file.




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Mapping Survey Data in MicroStation V8
Mapping a Coordinate File
Click Visualization and select Visualize to view a plot of the survey.




                                     Figure 11-38. Select Visualize.




                              Figure 11-39. Click the Set Search button.

Select a dataset in the Set Search window. Click the More Detail button to select specific feature codes to
visualize.




                                  Figure 11-40. Click on More Detail.


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To view all feature codes in a survey, click on the Mark All icon in the Features category. Individual
feature codes may also be selected by checking the box next to each feature code. Click the Apply button
when the feature codes have been selected.




                         Figure 11-41. Select feature codes to visualize.




                                     Fig. 11-42. Click on Apply.




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Mapping Survey Data in MicroStation V8




                                Figure 11-43. Click the Process button.

Fit the entire surveyed area to the screen.




                                 Figure 11-44. Click the Fit View icon.




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The collected points will be mapped if there aren’t any processing errors. The survey can now be
referenced to any other mapping file.




                              Figure 11-45. A plot of the survey area.




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Mapping Survey Data in MicroStation V8
Processing Measurement Files
Measurement files are WYDOT survey data files that are conventionally collected using a data collector and
an optical total station. These data files are imported into MicroStation using Geopak Survey. Import the
original .dc file unless editing is required, then use the edited .edt file.

Continue with the Geopak Survey Project Preferences window, see Figure 11-21 on page 12. Click the
Dataset tab and highlight the Data Source option. Click the Empty button and select the Data File option
from the Data Source menu for processing measurement files.




                                   Figure 11-46. Dataset settings.




                               Figure 11-47. Select the Data Source.




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The Collector Type default setting is Trimble. Click the Trimble button for more equipment options.




                                     Figure 11-48. Collector Type.

When submitting a survey associated with a MicroStation V8/Geopak 2004 project, use the Trimble data
collector format. Geopak Survey 2004 is also capable of reading Sokkia formatted files. The specific
format type is selected when downloading the file from the data collector to the PC. However, a translation
is required to create the Sokkia SDR33 format. Because of this translation, the Trimble format is the
preferred option. See Chapter 9 in this manual for more information on transferring data.

As stated earlier, Geopak Survey 2001 will not read the Trimble file format. The Sokkia translation is
necessary with surveys associated with a MicroStation V7/Geopak 2001 project.




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Highlight the Linking Codes option and verify that all of the fields are filled out as shown in Figure 11-49.
When finished, click the Ok button.




                                      Figure 11-49. Linking Codes.

Click Dataset, then select New.




                                  Figure 11-50. Create a new dataset.




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Enter a dataset name. An entry in the Description field is optional. Leave the Output Directory field
blank. If the Use dataset as output sub-directory box is checked, then a folder with the same name as the
dataset will be created. This folder will be placed in the same project directory as the MicroStation design
file. The .cgr, .obs, .xyz, default.con, and feature.err (when developed) files will be placed in this folder. If
the Use dataset as output sub-directory box is not checked, then these output files will not be placed in a
separate folder. Click the Dataset Add Source File to List button.




                                Figure 11-51. The Dataset New window.

Use the Select File(s) window to locate the data collector file to be processed. Click OK when the .dc file
has been high lighted.




                                   Figure 11-52. Highlight the .dc file.


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Click the OK button on the Dataset New window.




                              Figure 11-53. New dataset created.




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An Information window will appear with the message “Duplicate Control points were encountered.” Click
the OK button to store these points in a .ctl file.




                               Figure 11-54. Information message.

Click Dataset and select Reduce.




                             Figure 11-55. Reduce the new dataset.




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A preliminary processing report is written.




                              Figure 11-56. A typical processing report.




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When a dataset has been reduced, error messages or statistical reports identifying measurements out of
tolerance may be encountered. These errors are an indication that the survey data needs to be further
edited. After these processing issues have been resolved, click the Dataset tab then select the Import to
GPK option.




                                  Fig. 11-57. Select Import to GPK.




                               Figure 11-58. The import progress bar.




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Mapping a Measurement File
Click Visualization and select Visualize to view a plot of the survey.




                                     Figure 11-59. Select Visualize.




                              Figure 11-60. Click the Set Search button.

Select a dataset in the Set Search window. Click the More Detail button to select specific feature codes to
visualize.




                                  Figure 11-61. Click on More Detail.




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To view all feature codes in a survey, click on the Mark All icon in the Features category. Feature codes
may also be selected individually by checking the box next to each feature code. Click the Apply button
when the feature codes have been selected




                          Figure 11-62. Select feature codes to visualize.




                                 Fig. 11-63. Click the Apply button.




                                Fig. 11-64. Click the Process button.




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Fit the entire surveyed area to the screen.




                                  Fig. 11-65. Click the Fit View button.

The collected points will be mapped if there aren’t any processing errors. The survey can now be
referenced to any other mapping file.




                               Figure 11-66. A plot of the surveyed area.




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Click the Dataset tab then select the Review Reports option to review several reports. These reports are
used to determine potential problems within the dataset. Some of the most useful reports are:

               The Feature Code Error Report is a list of unrecognized feature codes. In earlier versions
               of Geopak Survey, this report was written during the Import to GPK step. In Geopak
               V8, the report is not written until the Visualization step.
               The Survey Reduction Report is a list of statistical analysis for measurements outside of the
               expected standard errors.
               Vertical Adjustments is a list of all vertical measurements. An asterisk identifies
               measurements outside of the expected standard errors.
               Horizontal Adjustments is a list of the horizontal components for all measurements. An
               asterisk identifies measurements outside of the expected standard errors.
               The Preliminary Analysis is a list of actions taken by Geopak Survey. If processing
               problems occur, potential solutions may be listed.




                                   Figure 11-67. Review Reports.




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Review the Mapped Survey Data
Carefully review the survey data. Zoom in to view as much detail as needed. Make note of any lines that
appear to be out of place or curves that are not properly mapped. DTM breaklines cannot cross one
another. Edge of sidewalk, top of curb, curb flow line, and edge of pavement features should be mapped as
parallel lines around curves. Prepare a list of specific features with apparent mapping problems. Include the
associated point numbers in this list.

Vertical outliers are measurements taken with an incorrect rod height. These points can be observed using
the Rotate View tool. When using this tool, view the map from several perspectives including the front and
side views. Points or lines which appear to spike above or below the majority of the mapping may be
outliers.

When importing survey data into MicroStation versions prior to V8, the map of the survey data file was
permanently saved in the design file. Any problems identified during the initial review, required edits to the
data file. Before the data file could be re-mapped, all of the mapped survey points in the design file had to
be deleted.

In MicroStation V8, a new feature allows a dataset to be unvisualized. If errors are encountered while
processing the survey, the entire dataset can be completely erased or unvisualized. Once the survey data
has been corrected, the edited file can then be processed and visualized. When the updated dataset is
importing into the .gpk file, the original points will be overwritten. Click Visualization and select
UnVisualize to erase the survey.




                                   Figure 11-68. Select UnVisualize.




                              Figure 11-69. Click the Set Search button.




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Select a dataset in the Set Search window. Click the More Detail button to select specific feature codes to
unvisualize.




                                  Figure 11-70. Click on More Detail.

To unvisualize all feature codes in a survey, click on the Mark All icon in the Features category. Feature
codes may also be selected individually by checking the box next to each feature code. Click the Apply
button when the feature codes have been selected.




                        Figure 11-71. Select feature codes to unvisualize.




                                Figure 11-72. Click the Apply button.




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                               Figure 11-73. Click the Process button.

An Alert window will appear with the message “Unvisualize Elements from the Design File.” Click the Ok
button.




                                  Figure 11-74. Click the OK button.



Mapping Errors
There are a number of problems that may be encountered when processing a data file. They must be
identified and resolved before the map is considered complete. These problems include but are not limited
to:

               A series of points which are meant to be connected as a line or shape but do not have begin
               or end line linking codes.
               Points that are horizontal or vertical outliers.
               DTM feature lines crossing one another.
               A point, line, or shape with an incorrect feature code.
               Responses for attributes located in another resource such as a field diary, but not placed in
               the data file.
               Miscellaneous Geopak error messages occurring during the mapping of a dataset.




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