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Easy Trace Pro 8.5.1515

This version of the package contains alternations done during realization of a very large project. We had to revise some fundamental utilities to meet the requirements of the customer, mainly because of huge data volume.

Extraction of 500 subject layers by itself was a great deal of computation. And when we saw that one correction of the map containing about 500,000 objects took several days, we just had to take urgent steps...

It resulted in new approaches to vectorizing based upon new algorithms. Previously we fulfilled time-consuming correction at final stages, and now it became a part of operators' everyday work.

Quick utilities of image processing enabled us to "draw out" information from overcompressed JPEG files. We saved them as .TIFF, doubled and used these 700 MB images for automatic vectorizing.

On the whole, this project changed our opinion about "what is possible" in automatic vectorizing of color images. We managed to process overcompressed e-copies of deformed, shabby and "colored" originals.

See below about these and other alternations in the package.

  • The Camber Editor (view video), received a lot of new abilities. Similarly to the Topology Editor, the tool alternates all linked objects but unlike the former it edits not only one common point - you may now alternate boundaries of adjacent polygons without fear to destroy the polygonal coverage. The number of objects forming a common succession of vertices is unlimited.
  • Three main utilities of the Topology Group, i.e. Topology Correction, Topology Check-Up and Topology Optimization are completely revised. The same is true for the management of test sets.

    Individual tests may be grouped into strategies basing on subject or any other feature (e.g., correction \ check-up of Hydrography, Relief, etc.) It means that a series of tests may be started with one click and enables you to verify topology correctness at all processing stages.

    Topology check-up is not a time-consuming operation any more - we elaborated new algorithms for these utilities, which accelerated them in more than ten times .

    All the utilities were tested in the course of a real project. Processing of material containing more than 500,000 objects took several hours.

    More about alternations in every utility..

  • Topology Correction can now
    • distinguish reference and variable layers, i.e. changeable objects and objects with fixed geometry (generation of new vertices change the fixed objects of course but just minimally);
    • fulfill differentiate operations of correction - forming of common vertices at crossings, tightening of line ends, superposing of vertices, adjustment of common boundaries. Each operation has its own snap distance for changeable objects.
    • the Adjust polyline edges new operation corrects efficiently common boundaries of polygons and more difficult situations - polygon borders formed by lines of other subject layers (e.g., a river or a road as a boundary of a forest). At that, it does not create a line consisting of vertices taken from all the objects to be adjusted. Instead, the border corresponds to the initial polyline of the reference layer, the program only adds vertices required for connectedness (entries and exits of polygons to/from the common boundary).

    The dialog box for management of correction task sets

    The dialog box for correction task forming

  • The Topology Check-Up Utility:
    • distinguishes reference and variable layers similar to the Topology Correction Utility;
    • separately check-ups intersections and self-intersections of different types: "Cross"-intersection, overlapping of segments, coinciding vertices;
    • new tests are added: polyline intersection with polygons, lack of coincidence with reference lines, doubling of points;
    • new error marks are added.

    The dialog box for management of test sets

    The dialog box for test forming

  • The Topology Optimization Utility
    • can simultaneously optimize artificial objects (represented by broken lines) and borders of natural objects (curves);
    • enables selection of layer "freezing" strategy: you may completely exclude frozen objects and parts of other objects common with frozen ones from optimization or optimize parts of frozen objects common with other objects.
  • The Check Polygon Cover Utility is completely revised:
    • strategies are provided: management of strategies is similar to the utilities of the Topology Group described above;
    • algorithm improvement accelerated the utility and helped to eliminate fictitious errors at check-up of incomplete polygonal coverages.
  • The Search for Kinks utility is alternated:
    • management of strategies is similar to the utilities of the Topology Group described above;
    • Kink (violation of line smoothness) search criterion is changed. It has two options now -"angle less than" and "length of one segment less than", that may be used independently.
  • The Group Editor is cardinally revised:
    • selected objects may be marked now to simplify their processing after automatic tracing. Together with the Unverified Objects Indication view mode and mark-to-mark navigation, this feature forms a real conveyor at vectorized data finishing;
    • attribute values may be selected from the domain, using descriptions instead of values;
    • direct check-up of closures is added;
    • the "Combine conditions"field is provided that enables to use the "OR" flag for selection criteria;
    • the "Divisible by" criterion is added for numeric fields;
    • a tooltip appears if an attribute value is too long for the field;
    • it is not necessary to enter all criteria manually any more, instead you may specify them per sample. Select an object-sample with the Editor and click the "Brush" button in the bar. All attributes of the selected object will be copied to the selection criteria list.
  • The Create Polygons Utility is improved:
    • a new, more correct and effective algorithm is applied;
    • interface of the utility is changed.
  • The Generate Inscriptions Utility is completely revised:
    • interface of strategy management is changed - they became explicit and a dialog box is provided for them similar to strategy management in topological utilities;
    • interface of inscription setting for objects of a specified type is revised;
    • The "Insert text inside polygon" option is added.
  • The Autodetect Ortho Contours Utility has new algorithm and interface:
    • it can detect objects consisting of several segments, which form a closed contour;
    • The Side Ratio parameter is added to avoid false recognitions at processing of automatic outlining results (to delete strokes and short fragments).

New utilities and tools

  • The Lake Detection new utility is provided. It recognizes polygonal objects after river net autotracing. The utility greatly accelerates vectorizing of maps containing plenty of small lakes (several thousands per one sheet in our project).

    If a lake is represented by a series of individual segments after automatic vectorizing, the utility combines them into one object.

Small alternations of utilities and tools

  • Filling color and type may be specified for selected polygons. A field is added for this purpose to the "View" page of the Project Parameters dialog box.
  • The Medial Line of Polygon Tool works better - it has new algorithms of line forming and optimization. The tool's Parameter Bar is alternated.
  • The progress bar for background tasks shows percentage of fulfillment.
  • View mode does not affect representation of marked objects any more and ceased to be an alternative one. (Actually, it is not a view mode any more).
  • The program always fills selected polygons nonmetering the flag "Fill polygons ".
  • You may click any point inside a polygon (not necessary on its border as it was previously) to specify the area of action for some vector tools (Automatic Tracing, Gap Removing, Inspector, Crop Image, etc.).
  • The Line Direction view mode may be now applied together with the Thematic View. At that, lines are thin and have direction arrows, other parameters depend on attribute values.
  • Some shortcomings are corrected for the Ruler Tool
  • At prototype-based project creation, the program does not copy information about prototype project processing any more.

Bug correction:

  • The bug is corrected: after object scission in the Thematic View mode, the new object was shown as if it had no attributes.
  • The bug is corrected: mark deletion was impossible for the last marked object.
  • The bug of autoclosing is corrected, which could increase the time of the operation in large projects.
  • The bug is corrected that caused fall of the program at project closing during background loading of images.
  • The bug of broken line optimization is corrected that caused incorrect processing of fixed ends in closed polylines.
  • The bug is corrected that slowed down the program badly at attribute list-form browsing.
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