Profile Editor (T17) - Intrepid Geophysics
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1. interpolate List Selected Points Editing individual data points You can change an individual signal value by moving a data point in the Edit Field s profile to a new vertical position using the mouse gt gt To edit a data point 1 Library Help Top Select the loaded field you require as the Edit Field Display the line containing the point s you wish to query and zoom in if required Turn on point display if required See Displaying data point markers for instructions Select Move Points from the Mouse Mode option buttons House Mode Move Points Select Points Query Points Zoom Click the vertical position corresponding to the new value of the data point you wish to change INTREPID will move the data point to the new position changing its signal value accordingly If there is no data point directly above or below the position that you click INTREPID will move the nearest data point up or down to the level you specify Repeat step 4 or 1 4 as often as required When you have finished editing points change the mouse mode to Query Points or Zoom in case you unintentionally edit some more points 2012 Intrepid Geophysics 4 Back gt INTREPID User Manual Profile Editor T17 25 Library Help Top 4 Back gt Operations with sets of adjacent points You can select sets of adjacent data points in the profile display and e Cut them from the Edit Field set the Edit Field sig2. Editor window INTREPID displays the Select Line dialog box Select click the number of the line you wish to view then choose OK INTREPID displays the line gt gt To view a data point with a given fiducial number 1 Display the profile of the line containing the data point you require See instructions immediately above Select Fid Within Line from the Navigate By options in the Navigation Control area Go To Fiducial Choose Go To INTREPID displays the Select Fiducial dialog box containing a list of fiducial numbers in the current line Select click the fiducial number of the data point you wish to view then choose OK INTREPID displays a marker G on the data point in each profile 2012 Intrepid Geophysics 4 Back gt INTREPID User Manual Profile Editor T17 20 Library Help Top 4 Back gt gt gt To view the Next or Previous data point according to fiducial number 1 Select Fid Within Line from the Navigate By options in the Navigation Control area 2 Use Next or Previous to view the next or previous data point respectively INTREPID displays a marker G on the data point in each profile Enlarging and reducing zooming the profile display You can enlarge the profile display zoom in to display only a selected range of data points then zoom out again when you have finished Notes See Horizontal and vertical scale for information about scaling Zooming in only involves selecti
3. and Quaternion or Euler Angles Some aspects of this extension remains in Beta as this treatment is far from conventional signal processing concepts If you wish to take advantage of these extensions you are advised to liase with Intrepid staff to get regular updates as more functionality comes on line Profile Editor concepts Library Help Top The Profile Editor is a versatile tool for viewing and editing data and by nature has a wide range of options In order to use it effectively you will need to understand some terms and concepts The following glossary is organised in conceptual order rather than alphabetically so that by reading it you can develop an understanding of the tool s operations signal field Field of a line dataset containing measured values e g magnetic data from a survey 1 e fields other than administrative fields geographic location flight line or fiducial number etc signal value Value of a signal field at a data point signal unit Measurement units of signal field data e g nT for magnetic data Loaded signal field signal field that you have loaded into the Profile Editor so that INTREPID displays its profile in the Profile Editor window Loaded signal field copies You can load several copies of the same signal field each with a different filter including one copy without a filter Unfiltered signal field Loaded signal field to which no filter has been applied To edit a signal field you mu
4. dataset signal field to load as the first profile select it in the Project Manager window See Selecting datasets or files in INTREPID Old Project Manager T01 2 Choose Profile Editor from the Edit menu of the Project Manager or use the command pedit exe INTREPID displays the Profile Editor window If you preselected a signal field in the Project Manager go to step 4 3 Load a signal field that you wish to view and or edit Use Load signal from the File menu See Specifying input and output files for detailed instructions 4 INTREPID will prompt you to specify the filter for the copy of the signal field you are loading Specify the filter if required and any parameters required See Specifying input and output files for detailed instructions 2012 Intrepid Geophysics 4 Back gt INTREPID User Manual Library Help Top Profile Editor T17 4 lt 4 Back gt 5 INTREPID will load the selected signal field and display the profile of the first line If you specify a compound data type INTREPID loads and displays all of the numeric components Navigate By Intrepid ProfileEditor Tool 3 2beta8 File Edit Layout Window Help Edit Profile Taw_mag Search Profile Line 2742 Zoom X 1 0 Mouse Mode Move Points Select Points Query Points Zoom s Intrepid Profile Editor v4 0 Release Candidate Cut 7 O x File Edit Layout Window Help GRAVLLEVe xx iy RC te F l j REU ra
5. indicates sudden changes which could be attributable to noise or spikes Filters for compound fields SSS tte APPLY Yector Tensor signal FILTER None LaCosteRC LaCosteCurvature Local Mean Marine acquisition data Sample Interval sec onds __ 0 10 OK Cancel LaCosteRC LaCosteCurvature See Lacoste RC filter in INTREPID spatial and time domain filters and transformations R138 for information Local mean See Local mean median filters in INTREPID spatial and time domain filters and transformations R18 for information Marine acquisition data Contact our technical support service for information Sample interval Contact our technical support service for information Library Help Top 2012 Intrepid Geophysics 4 Back gt INTREPID User Manual Profile Editor T17 10 Library Help Top lt 4 Back gt Saving data from the Profile Editor Library Help Top After using the Profile Editor with the loaded fields you can save them either overwriting the previous versions or creating new fields for the edited data Note You can save unfiltered fields overwriting previous versions A set of filter results is a derived field and does not already exist in its present form in the dataset If you wish to save filter results you must use Save As and specify a name for the new field gt gt To save loaded signal fields 1 Choose Save or Save As from the File menu Save w
6. only loaded filtered signal fields then you cannot have an Edit Field and therefore cannot perform the above operations The Edit Field is different from the Search Profile The Search Profile is the field that INTREPID searches during a search or search and replace operation The Search Profile can be an unfiltered or filtered field It is common for the Search Profile to be a filtered copy of the Edit Field but not essential See Find and Replace for details about the search operation When you rearrange the order of the profiles on the screen you may automatically change to a different Edit Field See Setting the profile display order gt gt To select the Edit Field 1 Choose Select Edit Field from the Window menu File Edit Layout Wadih INTREPID displays the Select the Edit Field dialog box Select Edit Profile E Select click the name of the field you require then choose OK INTREPID will make this field the Edit Field and display its profile in blue at the top of the data area Undo INTREPID records all editing operations that you carry out You can undo them starting at the most recent operation 2012 Intrepid Geophysics 4 Back gt INTREPID User Manual Profile Editor T17 24 Library Help Top q Back gt gt gt To undo the most recent operation or the previous operation in the Profile Editor operation history Choose Undo from the Edit menu File Layout Window Cut
7. INTREPID User Manual Profile Editor T17 1 Library Help Top lt 4 Back gt Profile Editor 117 my The Profile Editor displays profile graphs of signal fields from line datasets and enables you to edit this data The profile graphs show fiducial value in the horizontal dimension and signal values in the vertical dimension The Profile Editor can display profiles of a number of signal fields in separate graphs or superimposed You can apply calculations filters to signal fields before displaying them to assist with detecting errors such as noise and spikes You can automatically find data points whose filtered or unfiltered signal values match search criteria You can edit signal values by e Moving individual points in the profile using the mouse e Selecting sets of adjacent points and cutting them setting the signal values to null or replacing their signal values with values interpolated from neighbouring points e Finding signal values matching search criteria and cutting them setting the signal values to null or replacing them with values interpolated from neighbouring points The Profile Editor will only display data from a single traverse line at a time You can switch between traverse lines as required The Profile Editor horizontally synchronises all profiles displayed so that signal values from the same data point are always vertically in line With V4 1 the concept of signal is extended to Tensor Vector
8. Operations with sets of adjacent points Search for data outside an acceptable range in the signal values or filtered signal values and Take note of it e Cut it e Cut it and interpolate across the gap using an Akima spline See Find and Replace Repeat steps 7 9 as required If required save the edited or filtered versions of the loaded signal fields with the same field name or as a new field Filtered signal fields are derived fields and must have a new name See Saving data from the Profile Editor If you wish to carry out further editing close the loaded signal fields that you no longer require and go to step 3 See Closing signal fields Exit from the Profile Editor by choosing Quit from the File menu 2012 Intrepid Geophysics 4 Back gt INTREPID User Manual Profile Editor T17 6 Library Help Top lt 4 Back gt Specifying input and output files To use the Profile Editor you will need to specify one or more signal fields from line datasets to view or edit You will commonly load the same field a number of times with different filter options After the editing process you may wish to save the edited field either overwriting the previous version or creating a new field for the edited data When loading and saving fields use options from the File menu Edit Layout Window Load Signal Field Load Tensor Field Load Yector Field Close Save Save Os Load Options Save O
9. al and or horizontal scale magnification for the fully zoomed out view of the profiles See Horizontal and vertical scale Zoom in on sections of the current line profile using the mouse in Zoom mouse mode See Enlarging and reducing zooming the profile display Use the horizontal scroll bar to view different sections of the current line profile See Scrolling along a profile display Display a marker for each data point See Displaying data point markers Superimpose two or more loaded profiles instead of displaying them in separate panels and specify independent or common scales for the superimposed display See Superimposed profiles view Change the display order of the loaded signal fields See Setting the profile display order View the signal value and other information for individual data points by clicking the points required in Query Points mouse mode See Querying points If you wish to edit a loaded signal field and have loaded more than one unfiltered signal field select the unfiltered signal field for editing the Edit Field INTREPID displays the Edit Field in blue at the top of the window See Choosing the signal field you wish to edit Use the following operations to edit the data as required Individually change the value of individual signal values using the mouse See Editing individual data points Cut out sections of a profile and leave blank or interpolate across the gap using an Akima spline See
10. ayout Window ProfileEditor Main Window gt gt Selecting Z field and Line lists File Z Field Filters Edit Search gt gt Layout Window Exit from the Profile Editor gt gt To exit from the Profile Editor Choose Quit from the File menu Library Help Top 2012 Intrepid Geophysics 4 Back gt INTREPID User Manual Profile Editor T17 35 Library Help Top 4 Back gt Audit trail files You can save an audit trail file with a record of the changes made to the dataset This provides part of the processing history of the dataset Audit trail files are a variety of task specification file and have the extension job The current version of INTREPID cannot use audit trail files in batch mode or for loading specifications into the Profile Editor tool gt gt To create an audit trail file with the Profile Editor tool 1 Perform all editing operations 2 Choose Save Options from the File menu Specify an audit trail file INTREPID will add the extension job INTREPID will create the file with a record of the editing processes performed For full instructions on creating and editing task specification files see INTREPID task specification job files R06 Audit trail file example Here is an example of an Profile Editor audit trail file Process Begin Name ProfileEdit Parameters Begin ZFilter Begin Type Naudy Tolerance 0 1 Wavelength 5 0 ZFilter End EditDelta Begin T
11. ays horizontally so whenever you specify the horizontal scale it applies to all profiles You can specify a separate vertical scale for each profile displayed Notes e INTREPID normally uses automatic scaling unless you specify otherwise The horizontal scale settings refer to the fully zoomed out view of the profiles See Enlarging and reducing zooming the profile display for information about zooming in and out Ifyou use automatic horizontal scaling INTREPID displays each traverse line with a different horizontal scale suitable for fitting it into the Profile Editor window If you specify a horizontal scale manually INTREPID will use it for displaying all lines even if a whole line will not fit into the data area when fully zoomed out Ifyou use automatic vertical scaling with a loaded signal field INTREPID displays each traverse line with a different vertical scale suitable for fitting it into its panel in the Profile Editor window If you zoom in INTREPID will use a vertical scale suitable for the data to be included in the display If you manually specify a vertical scale for a loaded signal field INTREPID will use it for displaying the profile for all lines or zoomed in line sections 2012 Intrepid Geophysics q Back gt INTREPID User Manual Profile Editor T17 16 Library Help Top Library Help Top lt 4 Back gt gt gt To specify horizontal scale 1 Choose Horizontal Scale f
12. beta8 a Edit Layout Window oe RAW_MAG NAUDY Mouse Mode Move Points Select Points Query Points Zoom gt gt To zoom out Choose Zoom Out from the Layout menu OR Click anywhere in the display with the right mouse button INTREPID displays the profiles using the current horizontal and vertical scale settings Scrolling along a profile display When you enlarge zoom a profile display or manually set the horizontal scale only part of it may be visible You can examine other sets of data points within the current line using the scroll bar at the bottom of the display gt gt To scroll the display horizontally You can perform any of the following operations e Click the scroll arrows to shift the display one data point at a time e Click the scroll box channel to shift the display to the next or previous set of data points that will fit on the screen e Drag the scroll box to a position in the scroll bar corresponding to the data points you wish to view Library Help Top 2012 Intrepid Geophysics 4 Back gt INTREPID User Manual Profile Editor T17 22 Library Help Top lt 4 Back gt Querying points Library Help Top You can obtain information about query an individual data point by clicking the point in the Profile Editor window If you query a point INTREPID displays its fiducial number and the value of the signal field Note You can also view a list of a set of adjacen
13. ch condition but leave their signal values unchanged Cut INTREPID will find data points matching the search condition but set their signal values to null Interpolate INTREPID will find data points matching the search condition and interpolate a new signal value for them using an Akima spline based on the signal values of the three neighbouring data points on each side 7 Specify whether you wish to e Use a Confirm dialog box to apply the search or search and replace operation point by point or line by line or e Automatically apply the search or search and replace operation to the whole search domain Select Confirm Changes or Apply to All from the Control options Library Help Top 2012 Intrepid Geophysics 4 Back gt INTREPID User Manual Profile Editor T17 30 Library Help Top 4 Back gt 8 When you have set the parameters choose Apply If the Search Profile is the result of a 4th Difference filter INTREPID displays the 4th Difference Search Condition dialog box Otherwise go to the next step Set 4th Difference Search Condition 4th Difference Search Condition Standard 4th Diff Noise Detection Single Point Spike Detection Select Standard 4th Difference Noise Detection or Single Point Spike Detection according to your requirements then choose OK Standard 4th Difference Noise Detection If you select this option INTREPID will search the 4th difference filter results Single Point Spi
14. closed by moving their names to the Close list box To select a field for closing select click its name in the Open list box so that it is highlighted then choose gt gt so that its name appears in the Close list box To deselect a field for closing perform the reverse operation Select click its name in the Close list box so that it is highlighted then choose lt lt so that its name appears in the Open list box Library Help Top 2012 Intrepid Geophysics 4 Back gt INTREPID User Manual Profile Editor T17 12 Library Help Top 4 Back gt 3 When you have finished selecting fields to be closed choose OK For each signal field copy to be closed If you have applied a filter to it INTREPID will close the field and remove it from the display If you have not applied a filter to it INTREPID displays the Do You Wish to Save dialog box Do You Want to Save smooth_mag No Save Save As Select No Save or Save As according to your requirements then choose OK No INTREPID will close the field without saving it Save INTREPID will save the field with the same name overwriting the previous version then close it Save As INTREPID displays a Save As dialog box for you to specify a new name for the field being closed After you have specified the name for the field INTREPID will save and close it If you choose Cancel INTREPID will abandon closing the current signal field and continu
15. de Range Min ACTION CONTROL None Confirm Cut Apply All Interpolate 3 Specify the Search Profile the signal field to be searched See Search Profile for instruction INTREPID displays the name of the Search Profile you have selected Library Help Top 2012 Intrepid Geophysics 4 Back gt INTREPID User Manual Profile Editor T17 29 Library Help Top 4 Back gt 4 Specify the Search Domain the set of lines that you wish to search See Search domain for instruction INTREPID displays the Search Domain you have selected FIND AND REPLACE CONDITION Search Profile raw_mag NAUDY See Search Outside R ange ACTION CONTROL None Confirm Cut Apply All Interpolate 5 Ifthe Search Profile is the result of a 4th Difference filter specify the Tolerance value Tolerance INTREPID finds 4th Difference values with magnitude greater than the Tolerance If the Search Profile is an unfiltered field or filter results other than Ath difference enter the Minimum and Maximum values of the search range Minimum Maximum INTREPID finds values outside the range defined by these values 6 Specify the action to be taken on data points matching the search condition values in the Search Profile and Search Domain that are outside the tolerance or search range Choose None Cut or Interpolate from the Action options None INTREPID will find data points matching the sear
16. display a signal field 1 Choose Load Signal Field Load Tensor field or Load Vector field from the File menu If you have not preselected the dataset in the Project Manager INTREPID displays a Load dialog box for selecting the dataset Select the dataset you require INTREPID displays a field selector dialog box for the data type you want to load 2 Specify the signal field you require INTREPID displays a Filters dialog box There are different Filters dialog boxes for scalar and compound data types APPLY Yector Tensor signal FILTER SES eee APPLY Signal FILTER C LaCosteRC None LaCosteCurvature C Naudy C Local Mean C 4th Difference Marine acquisition data C Gradient Sample Interval seconds _9 10 OK Cancel OK Cancel Select the Filter option you require then choose OK See Available signal Field Filters for information about the filters Library Help Top 2012 Intrepid Geophysics 4 Back gt INTREPID User Manual Profile Editor T17 8 Library Help Top 4 Back gt 3 If you selected a filter INTREPID displays the parameters dialog box for the filter Specify the parameters as required then choose OK See Available signal Field Filters 4 INTREPID displays the profile of the signal field You can load as many signal field copies as you can comfortably fit on the screen The following illustration shows a Profile Editor main window with five profiles Intrepid ProfileEditor Too
17. dual data points within a line You can specify the function of these buttons using the Navigate by options in the Navigation Control area Edit Field The unfiltered signal field to which you can make changes by direct editing or using search and replace INTREPID displays the Edit Field in blue at the top of the data area If you have loaded several unfiltered signal fields you can specify which is to be the Edit Field Display options You can view the profiles e With or without data point markers horizontal and vertical axes e Using the horizontal and vertical scales of your choice In separate graphs superimposed with independent scales or superimposed with a common scale In any order you require Mouse mode You can use the mouse for a number of different Profile Editor operations e Zooming in and out e Querying points in a profile to obtain signal and fiducial values Hanging signal values by relocating points in a profile and e Selecting sets of adjacent data points Select mouse mode using the Mouse Mode option buttons in the Command area of the Profile Editor window Zoom You can horizontally expand sections of the profile graphs for a clearer view INTREPID retains the horizontal synchronisation by expanding all profiles Query Points If you have selected Query Points mouse mode you can obtain reports of signal and fiducial values by clicking the points you wish to query in the profile graph 2012 Intr
18. e the closing procedure for any other selected fields Display options The Profile Editor provides a range of display options Use controls in the Profile Editor window and options from the Layout and Window menus to control the display File Edit SE phg Vrindow HScale Yicale oom Out File Edit Layout Bitit a Help select Edit Profile set Display Order Show Points Show VAxis Show HAxis Library Help Top 2012 Intrepid Geophysics 4 Back gt INTREPID User Manual Profile Editor T17 13 Library Help Top lt 4 Back gt Setting the profile display order You can specify the order in which INTREPID displays the profiles of the loaded fields If you specify an unfiltered signal field as the first profile in the new order it will automatically become the Edit Field If you specify a filtered field as the first profile INTREPID will retain the current Edit Field See Choosing the signal field you wish to edit for information about the Edit Field gt gt To specify the profile display order 1 2 3 Library Help Top Choose Set Display Order from the Window menu INTREPID displays the Profile Display Order dialog box Profile Display Order Profile Display Order New Order Move the signal Field copy names to the New Order list box 1n the order required To move the name of the next signal Field copy select click its name in the Current Order list box s
19. epid Geophysics 4 Back gt INTREPID User Manual Profile Editor T17 3 Library Help Top lt 4 Back gt Find and replace You can search a filtered or unfiltered signal field for values outside a range specified by you When it finds a point matching your criteria INTREPID can display a marker on the profile then 1f required e Delete set to null the signal value in the Edit Field or e Replace the signal value in the Edit Field with a new value interpolated from the signal values of neighbouring data points Search Profile The unfiltered or filtered loaded signal field that INTREPID searches during a search or search and replace operation The Search Profile can be a filtered or unfiltered signal field Search domain You can specify the lines of the dataset to be searched The set of lines to be searched is the Search Domain The Profile Editor window The Profile Editor window has a menu bar and three areas the Command area the Navigation Control area and the Data area The Data area can contain a number of profiles each in its own panel or superimposed on each other Reports area Command area Data area with each profile in a panel RAW MAG NAUDY Mouse Mode buttons Command area Move Points Select Points Query Points Zoom Navigation Control area Using the Profile Editor Library Help Top gt gt To use the Profile Editor 1 Ifyou wish to preselect the line
20. he display panel and high or low values are not displayed 3 Choose OK INTREPID displays the profiles according to your specifications 2012 Intrepid Geophysics 4 Back gt INTREPID User Manual Profile Editor T17 17 Library Help Top q Back gt Superimposed profiles view Library Help Top You can superimpose profiles in the Profile Editor window The profiles can have Independent vertical scaling so that the profiles are displayed using the full vertical space available in the Profile Editor window or A common vertical scale so that you can compare the values quantitatively gt gt To superimpose the profiles in the window 1 If you will be using a common scale see Step 4 below ensure that all loaded signal fields that you are superimposing have automatic vertical scaling See Horizontal and vertical scale for instructions Choose Superimpose Profiles from the Layout menu INTREPID displays the Superimpose Profiles dialog box Superimpose Profiles Superlmpose Profiles Available S uperimpose smooth_ma Select the fields to be superimposed by moving their names to the Superimposed list box To select a field for superimposing select click its name in the Available fields list box so that it is highlighted then choose gt gt so that its name appears in the Superimposed list box To deselect a field for superimposing perform the reverse operation Select click its name in
21. igating the profile display The Profile Editor has a range of operations for viewing different parts of a dataset You can e View the profile of any line in the dataset Zoom in on any section of a profile e Use the scroll bar to view different sections of a line s profile The Navigation Control area in the Profile Editor window contains the controls for these operations N avigate By Choosing a line or data point you wish to view Library Help Top When you first load signal values from a dataset INTREPID displays signal data from the first line in the dataset You can display data from other lines and locate specific data points using the Navigate By options and the Next Previous and Go To command buttons The Profile Editor automatically sorts line numbers into ascending order irrespective of their actual order in the dataset 2012 Intrepid Geophysics q Back gt INTREPID User Manual Profile Editor T17 19 Library Help Top Library Help Top lt 4 Back gt gt gt To view the Next or Previous line according to line number 1 2 Select Line from the Navigate By options in the Navigation Control area Use Next or Previous at the bottom of the Profile Editor window to view the next or previous line respectively gt gt To view the line of your choice 1 Select Line from the Navigate By options in the Navigation Control area Go To Line Choose Go To in the Profile
22. ill overwrite previous versions of the fields and Save As will enable you to specify new field names INTREPID displays the Save signal Field or Save signal Field As dialog box Save Z Field SaveAs Z Fields Save Z Field Save Z Field As Available Selected Available Selected raw_mag smooth_ma Ll KI Select fields to be saved by moving their names to the Selected list To select a field for saving select click its name in the Available list box so that it is highlighted then choose gt gt so that its name appears in the Selected list box To deselect a field for saving perform the reverse operation Select click its name in the Selected list box so that it is highlighted then choose lt lt so that its name appears in the Available list box When you have finished selecting fields to be saved choose OK If you are using Save As INTREPID displays a Save As dialog box for each field so that you can specify its new name 2012 Intrepid Geophysics 4 Back gt INTREPID User Manual Profile Editor T17 11 Library Help Top 4 Back gt Closing signal fields If you have finished with one or more loaded signal field copies or you wish to make more room in the display you can close the signal field s gt gt To close loaded signal field copies 1 Choose Close from the File menu INTREPID displays the Close signal field dialog box Close Field Close Z Field 2 Select the fields to be
23. ing illustration shows a search domain containing only lines 2742 and 210k Select Search Domain Select Search Domain Loaded Lines Selected Lines 2 Fa 2751 Ea Cancel 3 When you have completed your line selection choose OK INTREPID displays a summary of the Search Domain in the Find dialog box Library Help Top 2012 Intrepid Geophysics 4 Back gt INTREPID User Manual Profile Editor T17 34 Library Help Top 4 Back gt Search Profile When you are specifying a search or search and replace operation you need to specify which signal field or filtered signal field to search This selection is called the Search Profile The Search Profile is different from the Edit Field The Edit Field is always an unfiltered signal field All editing is performed on the Edit Field It is common but not essential for the Search Profile to be a filtered copy of the Edit Field See Choosing the signal field you wish to edit for details Select Search Profile E gt gt To specify the Search Profile This operation always takes place from the Find dialog box See Find and Replace for a full description 1 Choose Search Profile INTREPID displays the Select Search Profile dialog box 2 Select click the signal field or filtered signal field that you wish to search so that it is highlighted Choose OK INTREPID will show the Search Profile field name in the Search dialog box Help File Edit L
24. ke Detection If you select this option INTREPID will search the Ath difference filter results and perform additional tests to detect single point spikes 9 Ifyou selected Apply to All from the Control options INTREPID will perform the Find and any replace operation on all matching data points in the search domain Go to step 14 If you selected Confirm Changes from the Control option buttons INTREPID will locate the first matching data point indicate it with a red marker G then display the Confirm Action dialog box CONFIRM ACTION Point Found APPLY TO ACTION Point Line All 10 Select Point Line or All from the Apply To option buttons These options determine how much of the Search Domain you wish to search and cut or interpolate as required next time you choose the Edit or Ignore button Point If you select Point INTREPID will carry out the cut or interpolate operation if specified on the current data point then find the next point matching the search condition Line If you select Line INTREPID will carry out the cut or interpolate operation if specified on the current data point and on the rest of the points in the current line of the search domain then find the next point matching the search condition in the next line Library Help Top 2012 Intrepid Geophysics 4 Back gt INTREPID User Manual Profile Editor T17 31 Library Help Top lt 4 Back gt All If you select All INTREPID will car
25. l 3 2beta8 File Edit Layout Window Help D een PA PE RAW_MAG 4TH DIFF Mouse Mode Move Points RAW_MAG NAUDY Select Points Query Points Zoom Library Help Top 2012 Intrepid Geophysics 4 Back gt Profile Editor T17 9 INTREPID User Manual q Back gt Library Help Top Available signal Field Filters You can apply the following filters to signal fields before displaying their profiles To apply a filter select the corresponding option in the Filters dialog box displayed when you open a signal field See Loading signal fields and displaying profiles Filters for scalar fields APPLY Signal FILTER None C Naudy 4th Difference C Gradient OK Cancel None Use this to display a profile of the data itself with no filters applied an unfiltered signal field profile Naudy filter This detects sudden changes in data between neighbouring data points See Naudy filter in INTREPID spatial and time domain filters and transformations R18 for details Ath Difference This calculates the 4th difference of the signal data Non zero 4th difference results indicate sudden changes in the data See the description of the diffn function in Section INTREPID Functions in INTREPID expressions and functions R12 for information about the 4th difference calculation diff4 Gradient This calculates the gradient of the signal field at each data point A high magnitude gradient
26. lly y i UN i i Mare Tiek t l Ai hak e darid wo l l vexy Edit Profile 1 E SAY jr i ERE EEE WA a AUN Search Profile i ky ASOT Y BAN NT Ay WA dd yh a l aa dhia Line ANRA ANANA ail a T i ul ae They they V TN W PT PAE TR i Zoom ee af q f o i Rani IY i AI Dy K Per TVi Cire Te een Pe aS GRAY_LE e2z RI Navigate By Line lt lt Previous lt lt Goto gt gt VLA af i H ry Mouse Mode C Move Points C Select Points C Query Points 4 C Zoom C Fid in line Next gt gt 6 If you wish to load more copies of signal fields repeat steps 3 5 as often as required RAW_MAG NAUDY Navigate By Library Help Top Intrepid ProfileEditor Tool 3 2beta8 aA AE Edit File Edit Layout Window Help ess Window Help he Edit Profile raw_mag Search Profile Line 2742 Zoom X 1 0 Mouse Mode Move Points Select Points Query Points Zoom 2012 Intrepid Geophysics 4 Back gt INTREPID User Manual Profile Editor T17 5 Library Help Top Library Help Top 10 11 12 13 lt 4 Back gt Use the following operations to examine the data as required View the profiles of different lines using the Previous Next and Go To buttons See Navigating the profile display Add or remove horizontal and or vertical axes in the display See Horizontal and vertical axes Specify the vertic
27. nal values to null e Replace them with a smooth interpolation based on neighbouring points outside the selection e View a complete list of the points with field values The Cut Interpolate and List commands are available in the Edit menu File Layout Window Cut Interpolate List Selected Points Library Help Top 2012 Intrepid Geophysics 4 Back gt INTREPID User Manual Profile Editor T17 26 Library Help Top 4 Back gt Selecting a set of adjacent points gt gt To select a set of adjacent data points 1 Select the loaded field you require as the Edit Field Display the line containing the point s you wish to select Zoom in 1f required 2 Select Select Points from the Mouse Mode options House Mode Move Points Select Points Query Points Zoom 3 Move the mouse pointer to one end of the range of data points that you wish to select Hold down the left button and drag across to the other end of the range INTREPID displays a pair of light blue vertical bars defining the range you select See Enlarging and reducing zooming the profile display for an illustration of this process 4 Release the mouse button INTREPID displays the selected points in red Intrepid ProfileEditor Tool 3 2beta8 ae File Edit Layout Window Help RAW_MAG NAUDY Mouse Mode Move Points Select Points Query Points Zoom Fid in line Cutting selected points Lib
28. ng sets of data points When you zoom the display INTREPID adjusts the horizontal scale so that the data points you selected cover the whole width of the window and vertical scale according to the current vertical scale specifications e When you zoom out INTREPID displays the profiles using the horizontal scale you have specified If you have selected automatic horizontal scaling INTREPID displays each line so that it fills the available horizontal space in the data area e As an alternative to zooming you can set the magnification manually by setting the horizontal scale for the profile display gt gt To zoom in on a set of data points 1 Select Zoom from the Mouse Mode option buttons House Mode O Move Points Select Points Query Points Zoom 2 Move the mouse pointer to one end of the range of data points that you wish to enlarge Hold down the left button and drag across to the other end of the range INTREPID displays a pair of light blue vertical bars defining the range you select pid ProfileEditor Tool 3 2beta8 a Edit Layout ITEE TET Me RAW_MAG NAUDY Move Points Select Points Query Points Zoom 3 Release the mouse button Library Help Top 2012 Intrepid Geophysics 4 Back gt INTREPID User Manual Profile Editor T17 21 Library Help Top 4 Back gt INTREPID will enlarge the display to show only those points you selected Intrepid ProfileEditor Tool 3 2
29. o that it is highlighted then choose gt gt so that its name appears in the New Order list box If you make a mistake you can remove fields from the New Order list box then move fields to the list in the required order To remove a field from the New Order list box perform the reverse operation Select click its name in the New Order list box so that it is highlighted then choose lt lt so that its name appears in the Current Order list box When the New Order list box contains the fields in the desired order choose OK INTREPID displays the signal field copies in the required order If you selected an unfiltered signal field as the first profile for display it will automatically become the new Edit Field 2012 Intrepid Geophysics 4 Back gt INTREPID User Manual Profile Editor T17 14 Library Help Top 4 Back gt Horizontal and vertical axes You can include horizontal and vertical axes in the profile display The axes contain tick marks and value labels The horizontal axes show fiducial values and the vertical axes show signal values or the results of filters applied to signal values If you turn on axis display INTREPID displays a separate axis for all displayed fields gt gt To turn horizontal and vertical axis display on and off Use Show Vertical Axis and Show Horizontal Axis from the Layout menu Each time you choose one of these options INTREPID turns the corresponding axis display on or off If
30. ptions Quit In each case INTREPID displays an Open or field selector or Save As dialog box Use the directory and file selector to specify the file you require See Specifying input and output files in Introduction to INTREPID R02 for information about specifying files INTREPID identifies the fiducial field from the dataset aliases The dataset must have the following aliases identifying a appropriate fields Fiducial Fiducial field LineNumber Line number field See Datasets with no Fiducial field for information about that topic and Vector dataset field aliases in INTREPID database file and data structures R05 for more information about aliases Datasets with no Fiducial field Library Help Top If a dataset has no fiducial field e if there is no Fiducial alias INTREPID will automatically create a Sample Number field numbering each data point in the order it occurs in the dataset starting at 1 INTREPID will use this field as the fiducial field for all Profile Editor operations At the end of the Profile Editor session with this dataset INTREPID will delete the Sample Number field See Vector dataset field aliases in INTREPID database file and data structures R05 for more information about aliases 2012 Intrepid Geophysics 4 Back gt Profile Editor T17 7 INTREPID User Manual 4 Back gt Library Help Top Loading signal fields and displaying profiles gt gt To load and
31. rary Help Top If you have selected a set of adjacent data points you can cut them Cutting points using the Profile Editor really means setting their signal values in the Edit Field to null After the cut operation the data points and the values of all of their other fields still exist in their original form gt gt To cut a set of points set Edit Field signal values to null 1 Select the points required See Selecting a set of adjacent points 2 Choose Cut from the Edit menu 2012 Intrepid Geophysics 4 Back gt INTREPID User Manual Profile Editor T17 27 Library Help Top 4 Back gt Replacing selected points with interpolated values If you have selected a set of adjacent data points you can replace their signal values with new values interpolated from the signal values on either side of the selection INTREPID uses an Akima spline and the three neighbouring points on each side to calculate the interpolated values gt gt To replace a set of points with interpolated values 1 Select the points required See Selecting a set of adjacent points 2 Choose Interpolate from the Edit menu These illustrations show the result of an interpolate operation Intrepid ProfileEditor Tool 3 2beta8 Intrepid ProfileEditor Tool 3 2beta8 J File Edit Layout Window Help RAW_MAG NAUDY RAW_MAG NAUDY Mouse Mode Move Points m Select Points ove Points Query Points Select Points Zoom Que
32. rofile of a version of the signal field from which the noise has been automatically removed Intrepid ProfileEditor Tool 3 2beta8 File Edit Layout Window Help cv Edit Profile law_mag Search Profile Line 2781 Zoom X 1 0 Mouse Mode Move Points Select Points Query Points Zoom Navigate By Line Fid in line lt lt Previous lt lt Goto gt gt Next gt gt 2012 Intrepid Geophysics 4 Back gt INTREPID User Manual Profile Editor T17 33 Library Help Top 4 Back gt Search domain When you are specifying a search or search and replace operation you need to specify which lines from the dataset to search This selection is called the search domain gt gt To specify the search domain This operation always takes place from the Find dialog box See Find and Replace for a full description 1 Choose Search Domain INTREPID displays the Select Search Domain dialog box The Selected Lines list box shows a list of the lines that are included in the Search Domain and the Loaded Lines list box shows a list of lines that are not part of the Search Domain 2 Move the line numbers between the Loaded Lines and Selected Lines list boxes as required To move a line number to the other list select click it so that it is highlighted then choose gt gt or lt lt To select all lines choose All gt gt To unselect all lines choose All lt lt The follow
33. rom the Layout menu INTREPID displays the Horizontal Scale dialog box Horizontal Scale Scaling Option Fid unts cm O Automatic 134 936950 Manual 2 Select Automatic or Manual according to your requirements If you select Automatic INTREPID displays the whole of each line in the Profile Editor window using a scale fiducial numbers per display centimetre appropriate to each line INTREPID is likely to display each line with a different scale If you select Manual enter the required scale in fiducial numbers per display centimetre in the Scale text box 3 Choose OK INTREPID displays all profiles according to your specifications gt gt To specify vertical scale 1 Choose Vertical Scale from the Layout menu INTREPID displays the Vertical Scale dialog box Vertical Scale raw_mag AutoScale 0 896366 junits cm raw_mag NAUDY J AutoScale 0 07225 units cm 2 For each loaded signal field select the Automatic or Manual option according to your requirements If you select Automatic INTREPID will calculate a suitable scale signal units per display centimetre for displaying the range of each line in the Profile Editor window INTREPID is likely to display each line with a different scale If you select Manual enter the required scale in signal units per display centimetre in the Scale text box INTREPID will use this scale for this profile with all lines even if there is insufficient room in t
34. ry Points Zoom Listing selected points If you have selected a set of adjacent data points you can display a list of them The list has a line for each data point and includes the fiducial value and the value of all loaded signal fields set out in columns If you are using INTREPID under Unix it displays the list in the background window If you are using INTREPID under Windows and wish to use this feature contact our technical support service for advice gt gt To list the selected points 1 Select the points required See Selecting a set of adjacent points 2 Choose List Selected Points from the Edit menu Library Help Top 2012 Intrepid Geophysics 4 Back gt INTREPID User Manual Profile Editor T17 28 Library Help Top 4 Back gt Find and Replace You can search a filtered or unfiltered field for data points that have signal values or filter results outside a range set by you If required you can cut the matching signal values in the Edit Field G e set them to null or replace them with new signal values interpolated from neighbouring data points gt gt To perform a search operation 1 Set the Edit Field See Choosing the signal field you wish to edit 2 Choose Find from the Edit menu File Layout Window Cut interpolate List Selected Points INTREPID displays the Find dialog box FIND AND REPLACE CONDITION Search Profile Not Selected eA HES SES Search Outsi
35. ry out the cut or interpolate operation if specified on the current data point and on the rest of the points in the search domain 11 If you wish to continue the search process choose Edit or Ignore Edit If you choose Edit and you have specified a cut or interpolate operation INTREPID will carry it out on the data specified by the selected Apply To option see previous step then search for the next point matching the search condition Ignore If you choose Ignore INTREPID will skip over the data specified by the selected Apply To option see previous step then search for the next point matching the search condition As you step through the Search Domain INTREPID displays the progressive result and indicates the current data point Intrepid ProfileEditor Tool 3 2beta8 File Edit Layout Window Help RAW_MAG NAUDY CONFIRM ACTION Point Found Mouse Mode APPLY TO ACTION Move Points Select Points 3 oom Query Points Line Zoom 12 Repeat steps 10 11 as required 13 If you wish to terminate the current search before you have reached the end of the Search Domain choose Close 14 Repeat steps 3 13 as required Library Help Top 2012 Intrepid Geophysics 4 Back gt INTREPID User Manual Profile Editor T17 32 Library Help Top Library Help Top 4 Back gt 15 Choose Close in the Find dialog box The following illustration shows a profile of a signal field containing noise and a p
36. st load an unfiltered copy of it 2012 Intrepid Geophysics 4 Back gt INTREPID User Manual Profile Editor T17 2 Library Help Top Library Help Top lt 4 Back gt Filtered signal field Loaded signal field to which you have applied a filter so that INTREPID displays the results of the filter calculation in the Profile Editor window Available filters The signal field filters available in the Profile Editor are all designed for detecting noise and spikes in data The filter results are typically near 0 where the filter detects no noise and or spikes The Profile Editor can apply Naudy 4th Difference and Gradient filters For tensor signals the filters currently available in this context are LaCoste RC IIR Fraser low pass using a convolution median For Quaternions nothing is yet released for Beta Profile The graphic representation of a loaded signal field in the Profile Editor window with signal value or filtered signal value vertical plotted against Fiducial value horizontal Profile synchronisation If there are several loaded signal fields INTREPID synchronises their fiducial values so that all values from the same data point are always in the same vertical line Current line The Profile Editor displays profile s for one traverse line at a time Navigate by You can use the Prev Next and Go To navigation buttons to select lines for viewing in the Profile Editor window or to indicate indivi
37. t data points containing fiducial and signal values See Listing selected points for details gt gt To query a point 1 Display the line containing the point s you wish to query Zoom in if required See Navigating the profile display and Enlarging and reducing zooming the profile display 2 Select Query Points from the Mouse Mode option buttons Intrepid ProfileEditor Tool 3 2beta8 Mouse Hode File Edit Layout Window Help Move Points Select Points Query Points Zoom N RAH MAG NAUDY 3 Click the point you wish to query INTREPID displays its fiducial number and the signal value in that profile 4 Repeat step 3 or steps 1 3 as required 2012 Intrepid Geophysics 4 Back gt INTREPID User Manual Profile Editor T17 23 Library Help Top q Back gt Choosing the signal field you wish to edit Library Help Top The Profile Editor edits one unfiltered signal field at a time If you have loaded more than one unfiltered field you will need to specify which is to have the focus for editing This is called the Edit Field and its profile appears in blue at the top of the data area INTREPID can perform the following edit operations on the Edit Field as required Move Points See Editing individual data points Select Points then Cut or Interpolate See Operations with sets of adjacent points Search for signal values then Cut or Interpolate See Find and Replace If you have
38. the Superimposed list box so that it 1s highlighted then choose lt lt so that its name appears in the Available list box When you have finished selecting fields to be superimposed choose OK INTREPID displays the Superimpose Vertical Scaling Options dialog box Supermpose Yertical Scaling Options Independent Scale Common Scale 2012 Intrepid Geophysics 4 Back gt INTREPID User Manual Profile Editor T17 18 Library Help Top lt 4 Back gt 5 Select the scaling option you require and choose OK Independent Scales Select this option if you wish to qualitatively compare the profiles using the maximum data area space available Each profile will have its own scale appropriate to its range Common Scale Select this option if you are superimposing profiles with similar signal value ranges and you wish to quantitatively compare them e g compare before and after a noise removal process INTREPID selects and uses the same vertical scale for all superimposed profiles The illustrations below show a Profile Editor window with superimposed profiles The first example shows independent scaling of a filtered with an unfiltered profile The second example shows a pair of related fields before and after a noise and spike removal operation superimposed using a common scale Intrepid ProfileEditor Tool 3 2beta8 Intrepid ProfileEditor Tool 3 2beta8 File Edit Layout Window Help w Help RAW _MAG Nav
39. the menu option has a tick then the corresponding axis is displayed The following illustration shows a display of two profiles each with their own set of axes Intrepid ProfileEditor Tool 3 2beta8 Help F Move Points Select Points Query Points Zoom 368508 Library Help Top 2012 Intrepid Geophysics 4 Back gt INTREPID User Manual Profile Editor T17 15 Library Help Top lt 4 Back gt Displaying data point markers You can include a symbol G for each data point in the profile display gt gt To turn point display on or off Use Show Points from the Layout menu Each time you choose the option INTREPID turns point display on or off The menu option has a tick when point display is on The illustrations show Profile Editor windows with point display on Intrepid ProfileEditor Tool 3 2beta8 HE fe Intrepid ProfileEditor Tool 3 2beta8 la p File Edit Layout Window Help File Edit Layout Window Help Big ij RAW_MAG NAUDY LT RAW_MAG NAUDY nQ Goo fa p Move Points F A A A Ao q _ Move Points 1 Select Points ane eae A A Van a Select Points Query Points in Query Points Zoom ji 4 Zoom Horizontal and vertical scale Library Help Top INTREPID can automatically fit profile displays to the space available automatic scaling or display profiles using a scale specified by you The Profile Editor always synchronises profile displ
40. ype Interpolate Group 1 FromRow 370 ToRow 394 EditDelta End EditDelta Begin Type Cut Group 3 FromRow 11 ToRow 11 EditDelta End EditDelta Begin Type Interpolate Group 3 FromRow 23 ToRow 23 EditDelta End Parameters End Process End Library Help Top 2012 Intrepid Geophysics 4 Back gt INTREPID User Manual Profile Editor T17 36 Library Help Top 4 Back gt Frequently asked questions Library Help Top Q Is the 4th diff operator in Profile Editor the same as the DIFF4 operator in the spreadsheet The 4th diff operator in profile editor is the same as the NDIFF4 operator in the spreadsheet This operator normalises the output dividing by a factor that reduces the amplitude of the 4th difference Q I have some old bathymetry data with some sudden steps in the data Can I easily remove them The Profile Editor has a simple interactive step removal filter designed for this very purpose It is located under the Supervised step correction option 2012 Intrepid Geophysics 4 Back gt
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