Matches 201 - 250 out of 376 < 1 2 3 4 5 6 7 8 >
Match Document Document Title
5891632 Method and device for fragment trace data display in DNA base sequencing  
In a DNA base sequencing, a consensus sequence is obtained by linking a plurality of DNA fragments obtained by a DNA sequencer, and a base sequence to be edited is determined in the consensus...
5874968 Circle drawing method  
A check is performed whether a terminating point distanced from said starting point in a distance corresponding to a one-eighth fraction of an entire circumferential length of the circle to be...
5870106 Computer graphics system for modelling objects which include segments that are bounded by linear radial and elliptical tangential elements  
A computer graphics system is disclosed. The system is for modelling parametric objects having elliptical segments, which are defined as segments bounded by linear radial and elliptical tangential...
5858297 Method and apparatus of correcting superfluous curing thickness of optical modeling product  
According to the present invention, in optical modeling method and apparatus of preparing a cubic resin model by curing ultraviolet-ray curable resin under irradiation of a laser beam thereon, for...
5859647 Data processing apparatus and method and output device  
It is an object to convert to outline font data that is closer to an actual character outline. A check is made to see if the data read out from a memory is which one of straight line data and curve...
5857067 Intelligent font rendering co-processor  
A method and apparatus convert font outlines to rasterized bitmaps. The method accesses stored outline data representing an object in a first coordinate space and transforms the outline data to...
5818415 Graphic form inputting apparatus  
The invention provides a graphic form inputting apparatus wherein an arbitrary one of a plurality of grids defined in advance can be selected suitably and displayed on the screen and the origin,...
5818459 Data conversion apparatus and method using control points of a curve  
A curve conversion apparatus can automatically convert a cubic curve into a quadratic curve and automatically convert data for outline font that are constituted by cubic curves and straight lines...
5818960 Characterization calibration  
The output response of an image processing system having a color printer and a color printer characterization is linearized by printing a target image having target patches of differing color...
5805172 Method of generating abstract designs  
A method of using a computer with graphics capability to generate abstract graphical designs. The computer is programmed with mathematical formulas for at least two families of nonintersecting...
5798769 Method and apparatus for maintaining links between graphic objects in a free-form graphics display system  
In a computer controlled display system capable of supporting free form graphical input, techniques for maintaining the topology of a node-link structure when nodes are moved. When a node is moved,...
5774359 Method for generating an extended rolling ball fillet surface between two surfaces  
A method, apparatus and article of manufacture for generating an extended fillet surface with a computer which smoothly connects two base surfaces together based on the boundary curve of...
5771341 Graphics apparatus and method for dividing parametric surface patches defining an object into polygons  
Before being used in an interactive graphics environment, control points defining Bezier curves are processed to determine the curvature of the patch. This value is then used to determine the...
5764239 Automatic graph layout apparatus and methods determining and using a stable state of a physical model  
A method of automatically laying out a graph having a plurality of nodes and edges, each indicating a relationship between the nodes, capable of laying out a plurality of kinds of edge in...
5760787 Data storage format  
A method and apparatus for storing data defining a graphical outline of an object, the graphical outline comprising a series of curve segments. First, those curve segments which comprise straight...
5757383 Method and system for highlighting typography along a geometric path  
A method and system for highlighting typography along a geometric path by a graphics system that includes a dashing feature is disclosed. The dashing feature is first used to determine the shape of...
5748869 Coordinate transformation apparatus and method  
A texture mapping coordinate transformation apparatus for producing post-transformation coordinates by a ratio of plural polynomials having pre-transformation coordinates as variables in order to...
5742751 Curve approximation method  
A method for expressing an approximate curve of an original curve by approximately expressing the original curve such as Bezier curve using matrix dots, comprises finding first and second...
5737508 Method for smoothing fractally-curved lines  
A method for automatically placing objects on a surface in proximity to corresponding predetermined locations without collision with such locations or other objects by defining a distance dependent...
5731820 Curve-length approximation apparatus and method  
A method and apparatus are disclosed for finding a length of a curve created to be displayed on an output device interactively and directly. A processor may specify the curve from input signals...
5717847 Method for generating plane technical curves or contours  
The application relates to a process for generating plane curves or contours for representing technical images by consecutively generating coordinates by digitizing parametric, polynomial and...
5717905 CAD system and bezier-curve data converting apparatus and method thereof in said CAD system  
A cubic Bezier curve is converted to a fifth Bezier curve so as to preserve the gradients at the initial and final points of the cubic Bezier curve and in such a manner that the fifth Bezier curve...
5717848 Method and apparatus for generating object motion path, method of setting object display attribute, and computer graphics system  
There are provided apparatuses for generating the motion path of an object. One apparatus includes an input unit for inputting information representative of the position of a start point of the...
5701404 Method and system for efficiently trimming a nurbs surface with a projected curve  
A curve projected onto a NURBS surface defines trim regions on the NURBS surface. A plurality of spaced-apart points are defined on the curve and rays are project through the points toward a NURBS...
5701251 Method and system for constructing the figures of blanks in sheet metal work  
A blank-figure constructing method for sheet metal work, wherein a cutting passage planned to sequentially cut a plurality of desired blanks from a sheet material is determined, utilizing a...
5694535 Direct interactive, constant-time curve apparatus and method  
A method and apparatus for creating a curve to be displayed on an output device operates to interactively and directly specify the curve from input signals generated by an input device in response...
5694536 Method and apparatus for automatic gap closing in computer aided drawing  
Method and apparatus for automatically closing gaps prior to painting a cel in a vector-based computer-aided drawing system. A drawing is processed, as it is entered by a user, to generate a stored...
5668894 Method for processing three-dimensional shape data  
A method for processing three-dimensional shape data includes steps of obtaining a plurality of point data along a surface of an object having a three-dimensional shape; taking out a point data...
5657435 Run slice line draw engine with non-linear scaling capabilities  
A graphics controller for use in a computer system includes a run slice line draw engine to generate a line as a plurality of slices. The run slice line draw engine can perform non-linear scaling...
5642476 Computer generated variable line width of a vector graphic  
In a computer system, a method and an apparatus for varying contour widths of a vector graphic. The method including the steps of reading vector shape data having a contour, control points, a bulge...
5638503 Method and apparatus for generating bitmaps from outlines containing bezier curves  
A rendering device for converting input information into a bit map including a Bezier subdivision processor responsive to Bezier curve information describing a Bezier curve of an image. The Bezier...
5636339 Circuit structure and system configuration for implementing pseudo four-point interpolation  
The present invention discloses a data processing module for generating an interpolated output from four sampled input data. The data processing module includes an input means, i.e., a memory...
5636338 Method for designing curved shapes for use by a computer  
Methods for forming computer models of curves, networks, or surfaces from user defined specifications of the shape to be modeled. Each specification includes a set of geometric constraints, such as...
5632008 Method of and apparatus for navigation display  
A method and apparatus for navigation display when a graphic element is to be created in relation to a graphic element which has already been generated on a two-dimensional CAD system. A position...
5623555 Method and apparatus for handwriting decompression using estimated timing information  
A method and apparatus for generating a reconstructed image from a compressed image. An exemplary method in accordance with the present invention includes the steps of identifying pairs of...
5621872 Curved surface generating method and apparatus therefor  
A curved surface generated on a closed curve is expressed by an equation of a film having a physical property. The film is considered as a virtual elastic film generated on the closed curve. A...
5611037 Method and apparatus for generating image  
A stored plurality of closed curved line data define a plurality of closed curved lines that represent parts of a face image. From the stored data, all coordinates of the closed curved lines on a...
5608856 Computer graphics apparatus and method for interpolating control values to generate image data  
In an image synthesis system, a definer/editor (102) stores (1112) object definitions in the form of control points for spline curves. The system can generate "phantom control points" (A 0 to A N...
5608855 Method of and system for displaying three-dimensional curve on two-dimensional display device  
In order to display a three-dimensional curve on a two-dimensional display device, a stereographic shape or a tube is generated on the basis of the feature quantity of the curve, and it is...
5594855 System and method for generating real time calligraphic curves  
A system and method for generating real time calligraphic curves from an input source. The input can be a stylus and the angle of attack of the line with respect to a surface can be fixed or...
5594852 Method for operating a curve forming device  
A method for generating curves and an associated method for operating a curve forming device are disclosed. According to a preferred implementation, the curve is formed as a piecewise series of arc...
5590255 Graphic drawing apparatus for generating graphs of implicit functions  
A graphic drawing apparatus divides an xy plane corresponding to a two-dimensional display region into plural display units. While one of two variables of the polynomial f(x, y) is fixed, a...
5588100 Method and system for creating a freeform drawing object  
A method and system for creating a freeform drawing object having any desired combination of polygonal and freehand segments. In a preferred embodiment, at any time during creation of the freeform...
5581679 Method for representing an approximation of a curvilinear curve and constructing a curve from the approximation  
A method for approximately representing a first curve having anchor points and a control point, wherein the first curve is subdivided into a plurality of segments and an approximate curve is...
5568601 Sampling point generating apparatus  
A sampling point generating apparatus generates sampling points on an original curve even at gentle slope portions of the original curve and, according to the sampling points, provides a curve that...
5566292 Methods for detecting the closest existing point on a spline or polyline  
Processes for efficiently determining the subset of points, included in a given ordered set of points, that lie at a minimum distance from an arbitrarily specified point in a given coordinate...
5566288 System and method for automatically fitting a B-spline curve to a set of data points  
A B-spline curve is automatically generated as an approximating curve to a set of data points. A set of four control points are selected at equal intervals along a path defined by a set of data...
5566281 Method and apparatus for generating a surface by simulating a physical membrane  
In order to generate a display of a surface, an equation or equations are generated corresponding to all or parts of the surface. The equation or equations represent the surface as a physical...
5519821 System and method for producing contour lines from a number of sample points by comparing contour height with mean height of surrounding sample points  
A computer system is described for producing and representing contour lines of a saddle surface. The contour lines are obtained by a plane intersecting the saddle surface. Depending upon whether...
5509113 Image producing apparatus  
An apparatus for producing a railroad symbol and a road symbol, includes a CPU, a coordinates input device, an external storage device and a display. The CPU has an operation unit for performing a...
Matches 201 - 250 out of 376 < 1 2 3 4 5 6 7 8 >