Dynamic Survey Solutions, Inc. QuikMap page 1

QuikMap by Dynamic Survey Solutions, Inc.

QuikMap is a multi-purpose coordinate handling application written by Dynamic Survey Solutions,

Inc. the authors of GPSeismic® and is a Windows® XP (SP2 and SP3), Vista and Windows 7 (32 and

64 bit) compatible program.

QuikMap is the most widely used

application in the GPSeismic software suite. It has numerous

coordinate handling and survey task capabilities. These capabilities

range from those as sophisticated

as fold analysis, shown left, to basic preplot redesign. QuikMap is

such a complete survey product, it is often sold as a standalone

application to survey companies

involved in legal and other non-seismic survey endeavors.

Mapping Capabilities

To assist in coordinate handling tasks,

QuikMap allows the user to import registered raster images and vector files

such as shape, DGN, DXF and DWG.

QuikMap contains numerous image and vector file manipulation tools including

the following:

Images – transforming, resizing,

converting to vector, converting to KMZ, setting transparent colors, and setting

colors as an exclusion areas.

Vector – transforming, translating, rotating, converting to raster, converting

to other vector formats, converting to

KML and converting to Garmin IMG.

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Coordinate Handling Capabilities

Coordinate Comparison - QuikMap can compare

two sets of coordinates. In seismic survey

operations, these are typically the survey design points (preplots) and the points as

actually surveyed (postplots). In addition to a graphic depiction of the matching points,

QuikMap provides all possible offset values in a spreadsheet from which analyses can be carried

out and reports generated.

Rebinning - The names of seismic survey stake out points are numerical and almost always based on

their location in a theoretical grid. However, when a point is actually surveyed, the surveyor must often offset it due to reasons that include physical

obstacles and defined exclusion areas. The correct field procedure is to maintain the original

station number so that an accurate list of what points have been surveyed can be created.

However, client deliverables normally include a

list of points where their value reflects the actual location in the theoretical grid.

Rebinning is the process of renumbering

station values based on the set of theoretical grid definitions. QuikMap allows the user to provide the

client with rebinned or non-rebinned station values or both.

Interpolation - QuikMap can interpolate coordinates in a number of ways. The basic mode instantly interpolates all

points based on a selected increment. An advanced mode allows the user to be selective about the points to use for

the interpolation process. The nominal interval mode allows the user to create points at an even interval along

any sinuous course defined by points at each dogleg.

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Moving, Adding and Deleting Points - QuikMap offers a number of basic coordinate handling capabilities including moves, adds and deletions. This can be performed on one point or a number of points by a user drawn polygon. Moves can be accomplished by range/bearing, delta-easting/northing or inline/cross-line values. Coordinates can also be rotated around a user entered position. A point can be added at the cursor location or multiple points can be added by defined offset from existing points. Points can also be created at theoretical grid nodes once a grid definition file is opened.

Coordinate Conversions - Any one of four point categories can be converted to any one of a number of useful formats. This includes:

AutoCad DXF

ESRI Shape

Garmin IMG

Seismic Formats:

SEP P1

UKOOA P1-90

Swift CMB

Shell Processing Support (SPS)

Points Of Interest (POI)

GPS Exchange Format (GPX)

Google Earth (KML)

Intersection Computation, Proximity Testing And More -

QuikMap has the ability to automatically compute the coordinates of line intersections. Intersections are used on 3D projects for a number of reasons including a means of height quality control. Another capability is 2D or 3D proximity testing between points on one layer or points on different layers. Proximity testing is based on a user entered threshold distance and is useful for quickly finding source or receiver points that would be detrimental to subsequent seismic processing. Other coordinate handling capabilities include sorting, nominal spread checks, and the computation of bag drop locations. Bag drop locations satisfy the requirement for selective placement of equipment along seismic lines.

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Exclusion Zone Capabilities

Cultural and natural obstructions in seismic surveying almost always require that many pre-planned survey coordinates be moved to avoid them. The general term for these areas are ‘exclusion zones. Dynamic Survey Solutions, Inc. has led the way with regard to how exclusions zones are defined and utilized in 3D seismic surveys.

Types - Exclusion zones are of three types: circles, lines and polygons. Circle exclusion zones are defined by center coordinates and a radius from that center. They are often used for wells, or any point location that must be avoided.

Line exclusion zones are a series of rectangles surrounding each pair of points that define a linear feature such as a pipeline.

Polygon exclusion zones are, as the name implies, defined by a set of vertices defining a closed area. An optional polygon parameter is an expansion distance from the polygon sides. Polygons are used for a number of

features including cultural and natural.

Defining Methods - There are several ways to define exclusion

zones. One way is to simply draw them using a registered image as a guide. It’s also possible to define a color or range

of colors of a raster image to use as an exclusion zone.

QuikMap also allows the user to convert vector files to exclusion zones. It is often the case

that shape and other vector files are available for depicting permits, pipelines and other significant entities. With QuikMap’s ability to transform vector files when required, the user can be assured of quickly handling what could be a significant pre-survey redesign task.

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Exclusion Zone Use - Once exclusion zones are defined, the user can immediately determine which points fall inside and which fall outside. The points can then be automatically moved outside the exclusion zones using two methods:

In the ‘Standard’ method, moves are approached as a series of inline and crossline steps that start near the original point location and progressively move outward until the point fall outside the exclusion zone and other criteria (such as proximity to other points) are met. The user configures several parameters for this process to use.

In the ‘Bingo Card’ method, the client supplies a survey company rules by which a point is to be offset. For example, if a point must be offset, the first acceptable location might be 100 meters (or feet) offline and 0 meters inline. Failing that the point is to be offset 200 meters offline and 0 meters inline, and so on. There could very well be several dozen more moves in the sequence. In QuikMap, the user defines this sequence of moves graphically somewhat like the numbers on a bingo card and thus the name. When initiated the prioritized sequence of moves is carried out on each point in an exclusion zone until the point is moved to an allowable location. The final location is reached as soon as a minimum separation criteria is met.

Exclusion Zone Management – Several tools are available to create and manage exclusion zones. These include the XZO Manager which allows the user to insert, delete or modify the coordinates of any exclusion zone. There is also the XZO Tools dialog which give the user a number of utilities that allow for exclusion zone combining, simplification and perimeter smoothing. It’s also possible to convert exclusion zones to shape and CAD files.

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Digital Elevation Capabilities

Digital Elevation Models (DEMs) are useful in many ways. A DEM is a file which contains height (or other z value) values for a specific geographical area. The z values are evenly spaced in a grid-like pattern. Their usefulness comes from the fact that it is possible to derive an interpolated z value from them for any horizontal coordinates in the area they cover. This means you can accomplish tasks that range from quality control of survey heights to assigning heights to points which are missing theirs.

DEMs are available in dozens of format. QuikMap provides a conversion tool that allows the user to convert any one of over 80 DEM formats into the format required by GPSeismic applications. QuikMap can also transform a DEM should the need arise.

There are numerous DEM operations. They include the following:

Creation of a DEM from a coordinate file which includes height,

Ability to create a 3D surface chart, contour chart, shape file of contours or shaded relief map,

Ability to replace the heights for any point layer using a specified DEM,

Ability to create a secondary point layer whose heights are the difference between the primary point layer,

Ability to transform a DEM from one system/datum to another,

Ability to create a terrain slope model that in turn could be used with QuikMap's ability to use a raster image to create exclusion zones,

Ability to create a DEM which is a subset of a larger one or subdivide a DEM into a set of tiled subgrids,

Ability to combine DEMs (mosaic) or change a DEMs grid node resolution.

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Fold Analysis

QuikMap provides fold analysis capabilities and allows the user to create a fold map of a prospect. Receiver bins are color coded according to the number of common mid-point 'hits' received as a result of the analysis.

A number of optional files can be created including an MDB database containing fold and mid-point smear, offset and azimuth values.

The user can perform critical angle and azimuth tests, and can create histograms and mid-point scatter plots.

QuikMap can convert an I-O System 2 ASCII Script file (binary or ASCII) or an ARAM script file (*.PRJ) to a SPS X-File for use in the utility.

Online Data Capabilities

QuikMap offers numerous utilities to access data from the web. One of these allows you to instantly create a registered background image based on image tiles retrieved from Google, OpenStreetMap or TerraServerUsa.

You can make a KMZ file for all imagery retrieved from Google or from an existing registered image. KMZ files can be displayed in Google Earth or used as a custom background map in the newer Garmins.

There is a utility to allow the user to create a DEM from the new Google Elevation Service. You can also use this service to display an elevation profile and interactive map.

Another utility facilitates downloading and converting Shuttle Radar Topography Mission elevation files to a DEM.