CN112419481B - Batch modification and self-adaptive adjustment method for surface roughness of engineering drawing - Google Patents
Batch modification and self-adaptive adjustment method for surface roughness of engineering drawing Download PDFInfo
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Abstract
The invention discloses a method for modifying and adaptively adjusting the surface roughness of engineering drawings in batches, which comprises two parts, wherein the first part is in a labeling form for modifying the surface roughness in batches, the second part is in adaptive adjustment of the surface roughness, and the two parts are combined with each other to realize the batch modification and the adaptive adjustment of the surface roughness of the engineering drawings. The method effectively solves the problem of old surface roughness label symbols in old drawing paper and the problem of interference between surface roughness and dimension lines by utilizing an API function provided by three-dimensional modeling software.
Description
Technical Field
The invention relates to the technical field of two-dimensional engineering drawing, in particular to a method for modifying and adaptively adjusting the surface roughness of engineering drawings in batches.
Background
In the prior art, the old drawing paper has the problems of old surface roughness mark symbols and interference between surface roughness and dimension lines, and a drawing standard interference situation schematic diagram in the prior art is shown as fig. 1.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a batch modification and adaptive adjustment method for the surface roughness of engineering drawings.
The technical scheme for realizing the purpose of the invention is as follows:
a method for modifying and adaptively adjusting the surface roughness of engineering drawings in batch comprises the following steps:
1) changing the marking form of the surface roughness in batches:
1-1) acquiring a first view in a two-dimensional engineering drawing;
1-2) traversing all surface roughness objects in the first view, wherein an API Interface of the surface roughness in Solidworks is ISFSymbol Interface, a return value of a GetSymbol () method under the Interface obtains the type of the surface roughness in an enumeration way, and when the return value is 0, 1, 2, 9, 8 and 7, the type corresponds to a basic type of the surface roughness, a required cutting machining type, a forbidden cutting machining type, a required JIS cutting machining type, a JIS basic type and a forbidden JIS cutting machining type respectively; when the return value is 8, the marking form of the surface roughness is an old marking form, a container jscccxh is defined, and the old marking form of the surface roughness is put into the container jscccxh;
1-3) obtaining character strings of surface roughness components by a GetTest () method according to the obtained old labeling form of the surface roughness; the surface roughness includes a 1 Maximum roughness, a 2 Minimum roughness, b machining method, c sampling length, d roughness interval, e removal material coefficient and f other roughness 7 parts;
1-4) setting the type of the surface roughness and the marking part of the surface roughness by utilizing a SetSymbol () method and a SetText () method according to the corresponding relation between the old marking form of the surface roughness and the national standard surface roughness of the new edition;
1-5) after the first view finishes modifying the labeling form of the surface roughness in batch, entering the next view by using an IGetNextView () method, and circularly scanning the surface roughness object on the view until the view scanning adjustment is finished;
2) the adaptive position adjustment of the dimension line comprises the following steps:
2-1) in a template of a Solidworks engineering drawing, each view has a corresponding view frame, horizontal and vertical coordinates of the left lower corner and the right upper corner of the view frame are obtained by a GetOutline () method in a view interface, a dimension line is divided into a regular dimension layer and an irregular dimension layer by taking the view frame as a boundary, the dimension line outside the view frame has hierarchy, the dimension line inside the view frame is relatively disordered and has no regularity, and the dimension line can be adjusted only when the interference problem occurs;
2-2) traversing all dimension line objects, obtaining coordinates of two arrows of the dimension lines by using a GetAlowHeadAtIndex 2() method, respectively placing a horizontal and vertical coordinate of a first arrow of the dimension lines into a container ccxx1 and a container ccxy1, respectively placing a horizontal and vertical coordinate of a second arrow of the dimension lines into a container ccxx2 and a container ccxy2, and recording a serial number of each dimension line into a container ccxxh, traversing the dimension lines, dividing the dimension lines into a horizontal dimension, a vertical dimension and other dimensions according to the following formula (1) and formula (3), placing a vertical dimension serial number i into a container szxh, placing a horizontal dimension serial number j into a container spxh, bounding a view frame, layering three regions in the horizontal direction and three regions in the vertical direction of the dimension lines according to the vertical coordinate of the horizontal dimension and the horizontal coordinate of the vertical dimension, respectively placing a length of the vertical dimension into a container sz 1 cd for each region according to formula (2), szcd2 and szcd3 and putting vertical size serial numbers into containers szxh1, szxh2 and szxh3, respectively, putting lengths of horizontal size into containers spcd1, spcd2 and spcd3 and putting horizontal size serial numbers into containers spxh1, spxh2 and spxh3, respectively, arranging numbers in the size length containers from small to large using the sort () function in c + +, resulting in layered horizontal size length containers (spcd10, spcd20 and spcd30) and layered vertical size length containers (szcd10, szcd20 and szcd 573 5), and recording original serial numbers of horizontal size (containers spxh10, spxh20 and spxh30) and vertical size (containers szxh 635924, szxh 599 and szxh 599);
ccxx1[i]＝ccxx2[i] (1)
szcd[i]＝|ccxy1[i]-ccxy2[i]| (2)
ccxy1[j]＝ccxy2[j] (3)
spcd[j]＝|ccxx1[j]-ccxx2[j]| (4)
2-3) adjusting the dimension line by utilizing a SetPosition () method according to a regular layout mode of the dimension line outside a view frame;
3) the method comprises the following steps of self-adaptive position adjustment of surface roughness, wherein the marking form of the marking degree of the surface roughness comprises the steps of directly marking on the surface of a contour and connecting a lead to other positions of a drawing on the surface of the contour, and the method specifically comprises the following steps:
3-1) firstly obtaining two labeling forms distinguished by whether an arrow exists on the surface roughness according to a GetAlowHeadCount () method under a surface roughness interface, and obtaining a surface roughness vertex coordinate A by utilizing a GetPosition () method 0 、B 0 ；
3-2) when the surface roughness is directly marked on the surface of the profile, obtaining the angle alpha of the surface roughness by utilizing a GetAngle () method, and marking the default size of characters according to the default size of the surface roughness symbol of Solidworks,
Length and surface roughness of horizontal position A 0 B 0 An angle β with respect to the profile surface;
3-3) calculating B' according to the following formula (5) and formula (6) 0 Traversing all roughness objects, processing the surface roughness of the two marking forms separately, and marking the first reference point A of the surface roughness of the contour surface 0 The abscissa of (a) is put into a container ccdx1, and the ordinate is put into a container ccdy 1; a second reference point B 0 Is placed in a container ccdx2 on the abscissa and in a container ccdy2 on the ordinate, and the surface roughness number is recorded in a container ccdxh1 as A 0 B 0 Judging whether the interference with the dimension line exists in the engineering drawing or not as a reference line of the surface roughness;
3-4) when the surface roughness is marked to the engineering drawing in the form of lead, obtaining A by using a GetAlowHeadAtIndex 2() method 1 Coordinates, first reference point A of surface roughness, marking this form 1 The abscissa of (a) is put into a container ccd1x1, and the ordinate is put into a container ccd1y 1; second reference point B 1 The abscissa of (a) is placed in a container ccd1x2, and the ordinate is placed in a container ccd1y 2;
3-5) in the engineering drawing, considering the interference condition in the drawing as the problem of line segment intersection, obtaining the specific coordinates of each dimension, surface roughness and geometric tolerance on the drawing according to the API provided by Solidworks, and judging whether the interference condition exists in the drawing; judging the intersection condition of two line segments under a Solidworks default coordinate system;
3-6) judging whether an interference relationship exists in the dimension line according to the obtained coordinates of two arrows with the dimension and the coordinates of two datum points with the surface roughness, when the surface roughness is positioned on the contour surface, putting the interference dimension serial number into a container gscccx 1, putting the interference surface roughness serial number into a container gscccd 1, judging whether the dimension line is the horizontal dimension or the vertical dimension according to the interference dimension serial number and judging the position of the area where the dimension line is positioned, judging the angle of the surface roughness according to the surface roughness serial number, as shown in figure 4, dividing the view into a horizontal area (a) and a vertical area (a) according to a view frame, positioning the point (a) and the vertical area (a) according to the view frame, when the interference occurs in the horizontal area (a), traversing the area (a) by taking the longitudinal coordinate of the second datum point with the surface roughness as the horizontal dimension of the current interference, and traversing the horizontal coordinate in the area (a) containing the interference dimension line, respectively adjusting the dimension lines in the third area, namely adding a fixed value to the ordinate of each dimension line in the third area and reducing the fixed value to the ordinate of each dimension line in the third area; when the interference occurs in the vertical area (c), the adjusting method is consistent with the horizontal area;
3-7) when the interference occurs in the second area, adjusting the horizontal size and the vertical size according to the second datum point of the interference surface roughness as a positioning point, when the surface roughness is positioned in a lead mode, putting the interference size serial number into a container gscccx 2, putting the interference surface roughness serial number into a container gscdd 2, dividing the view into four areas I, II, III and IV by using a view central point P, when the first datum point of the interference surface roughness is in the area I, judging whether an interference size line is the horizontal size and the vertical size, when the size line is the horizontal size, driving the surface roughness by a SetPosition () method and moving the surface roughness to the right by a certain fixed value, when the size line is the vertical size, driving the surface roughness and moving the surface roughness to the upper by a certain fixed value, circularly judging the interference until no interference occurs, and stopping the cycle; in the areas II, III and IV, the judgment principle of the area I is adopted, the area is determined by the first datum point of the surface roughness, and the translation direction is determined by the horizontal dimension and the vertical dimension.
In step 3-5), the intersection of the two line segments includes the following conditions:
(1) when the slopes of two straight line pairs exist, calculating projection points of each point on the other straight line along the y-axis direction, namely A ', B', C ', D', and if (w1-y1) (w2-y2) < & (w3-y3) ((w 4-y4) < & (w3-y3) <0), intersecting;
(2) when the slope of the straight line AB is absent (i.e., x1-x 2) and the slope of the CD is present, the projection points a ', B' of the points a, B on the straight line of the CD along the y-axis are calculated, and if (w1-y1) · (w2-y2) & (x3-x1) · (x4-x1) · 0, the points a, B intersect;
(3) when the slope of the straight line CD is absent (i.e., x3-x 4) and the slope of AB is present, calculating the projection points a ', B' of the points C and D on the AB straight line along the y axis, and intersecting if (w3-y3) (w4-y4) < & (x1-x3) ((x 2-x3) < ═ 0);
(4) when none of the slopes is present, the crossing is made if (x1 ═ x3) & ((y3-y1) ((y3-y 2) < ═ 0| (y4-y1) (y4-y2) < ═ 0).
According to the method for batch modification and self-adaptive adjustment of the surface roughness of the engineering drawing, provided by the invention, the problem of old surface roughness mark symbols in old drawing paper and the problem of interference between the surface roughness and a dimension line are effectively solved by utilizing the API function provided by three-dimensional modeling software.
Drawings
FIG. 1 is a schematic diagram of a drawing standard interference scenario existing in the prior art;
FIG. 2 is a flow chart of the method of the present invention;
FIG. 3 is a schematic view of the surface roughness type;
FIG. 4 is a view information diagram;
FIG. 5 is a schematic diagram of a surface roughness marking method;
FIG. 6 is a schematic diagram of the components of the surface roughness;
FIG. 7 is a schematic diagram of the intersection of two line segments;
FIG. 8 is a view zone diagram;
FIG. 9 is an interference view of the valve body;
fig. 10 is an adjusted view of the valve body.
Detailed Description
The invention will be further elucidated with reference to the drawings and examples, without however being limited thereto.
Example (b):
as shown in fig. 2, a method for batch modification and adaptive adjustment of surface roughness of engineering drawings comprises the following steps:
1) changing the marking form of the surface roughness in batches:
1-1) acquiring a first view in a two-dimensional engineering drawing;
1-2) traversing all surface roughness objects in the first view, wherein the API Interface of the surface roughness in Solidworks is ISFSymbol Interface, the return value of GetSymbol () method under the Interface obtains the type of the surface roughness in an enumeration way, and when the return value is 0, 1, 2, 9, 8 and 7, the basic type, the required cutting type, the forbidden cutting type, the required JIS cutting type, the JIS basic type and the forbidden JIS cutting type of the surface roughness respectively correspond to as shown in FIG. 3; when the return value is 8, the marking form of the surface roughness is an old marking form, a container jscccxh is defined, and the old marking form of the surface roughness is put into the container jscccxh;
1-3) obtaining character strings of surface roughness components by a GetTest () method according to the obtained old labeling form of the surface roughness; the surface roughness includes a 1 Maximum roughness, a 2 Minimum roughness, b process, c sample length, d roughness interval, e remove material systemNumber and f other roughness 7 parts;
1-4) setting the type of the surface roughness and the marking part of the surface roughness by utilizing a SetSymbol () method and a SetText () method according to the corresponding relation between the old marking form of the surface roughness and the national standard surface roughness of the new edition;
1-5) after the first view finishes modifying the labeling form of the surface roughness in batch, entering the next view by using an IGetNextView () method, and circularly scanning the surface roughness object on the view until the view scanning is finished;
2) the adaptive position adjustment of the dimension line comprises the following steps:
2-1) in a template of a Solidworks engineering drawing, each view has a corresponding view frame, as shown in FIG. 4, the GetOutline () method in a view interface is used for obtaining horizontal and vertical coordinates of the left lower corner and the right upper corner of the view frame, the view frame is used as a boundary to divide a dimension line into a regular dimension layer and an irregular dimension layer, the dimension lines outside the view frame have hierarchy, the dimension lines inside the view frame are relatively disordered and have no regularity, and the dimension lines can be adjusted only when the interference problem occurs;
2-2) traversing all dimension line objects, obtaining coordinates of two arrows of the dimension lines by using a GetAlowHeadAtIndex 2() method, respectively placing a horizontal and vertical coordinate of a first arrow of the dimension lines into a container ccxx1 and a container ccxy1, respectively placing a horizontal and vertical coordinate of a second arrow of the dimension lines into a container ccxx2 and a container ccxy2, and recording a serial number of each dimension line into a container ccxxh, traversing the dimension lines, dividing the dimension lines into a horizontal dimension, a vertical dimension and other dimensions according to the following formula (1) and formula (3), placing a vertical dimension serial number i into a container szxh, placing a horizontal dimension serial number j into a container spxh, bounding a view frame, layering three regions in the horizontal direction and three regions in the vertical direction of the dimension lines according to the vertical coordinate of the horizontal dimension and the horizontal coordinate of the vertical dimension, respectively placing a length of the vertical dimension into a container sz 1 cd for each region according to formula (2), szcd2 and szcd3 and putting vertical size serial numbers into containers szxh1, szxh2 and szxh3, respectively, putting lengths of horizontal size into containers spcd1, spcd2 and spcd3 and putting horizontal size serial numbers into containers spxh1, spxh2 and spxh3, respectively, arranging numbers in the size length containers from small to large using the sort () function in c + +, resulting in layered horizontal size length containers (spcd10, spcd20 and spcd30) and layered vertical size length containers (szcd10, szcd20 and szcd 573 5), and recording original serial numbers of horizontal size (containers spxh10, spxh20 and spxh30) and vertical size (containers szxh 635924, szxh 599 and szxh 599);
ccxx1[i]＝ccxx2[i] (1)
szcd[i]＝|ccxy1[i]-ccxy2[i]| (2)
ccxy1[j]＝ccxy2[j] (3)
spcd[j]＝|ccxx1[j]-ccxx2[j]| (4)
2-3) adjusting the dimension line by utilizing a SetPosition () method according to a regular layout mode of the dimension line outside a view frame;
3) the surface roughness adaptive position adjustment, the marking form of the marking degree of the surface roughness includes directly marking on the contour surface and connecting a lead to other positions of the drawing on the contour surface, as shown in fig. 5, specifically includes the following steps:
3-1) firstly obtaining two labeling forms distinguished by whether an arrow exists on the surface roughness according to a GetAlowHeadCount () method under a surface roughness interface, and obtaining a surface roughness vertex coordinate A by utilizing a GetPosition () method 0 、B 1 As shown in fig. 5 and 6;
3-2) when the surface roughness is directly marked on the surface of the profile, obtaining the angle alpha of the surface roughness by utilizing a GetAngle () method, and marking the default size of characters according to the default size of the surface roughness symbol of Solidworks,
Length and surface roughness of horizontal position A 0 B 0 An angle β with respect to the profile surface;
3-3) according to the following formula (5) andformula (6) calculates B ″) 0 Traversing all roughness objects, processing the surface roughness of the two marking forms separately, and marking a first reference point A of the surface roughness of the contour surface 0 The abscissa of (a) is placed in a container ccdx1, and the ordinate is placed in a container ccdy 1; a second reference point B 0 Is placed in a container ccdx2 on the abscissa and in a container ccdy2 on the ordinate, and the surface roughness number is recorded in a container ccdxh1 as A 0 B 0 Judging whether the interference with the dimension line exists in the engineering drawing or not as a reference line of the surface roughness;
3-4) when the surface roughness is marked to the engineering drawing in the form of lead, obtaining A by using a GetAlowHeadAtIndex 2() method 1 Coordinates, first reference point A of surface roughness, marking this form 1 The abscissa of (a) is put into a container ccd1x1, and the ordinate is put into a container ccd1y 1; second reference point B 1 The abscissa of (a) is put into a container ccd1x2, and the ordinate is put into a container ccd1y 2;
3-5) in the engineering drawing, considering the interference condition in the drawing as the problem of line segment intersection, obtaining the specific coordinates of each dimension, surface roughness and geometric tolerance on the drawing according to the API provided by Solidworks, and judging whether the interference condition exists in the drawing; judging the intersection condition of the two line segments under a Solidworks default coordinate system; as shown in fig. 7, the intersection of two line segments includes the following cases:
(1) when the slopes of two straight line pairs exist, calculating projection points of each point on the other straight line along the y-axis direction, namely A ', B', C ', D', and if (w1-y1) (w2-y2) < ═ 0& (w3-y3) ((w 4-y4) < ═ 0), intersecting;
(2) when the slope of the straight line AB is absent (i.e., x1-x 2) and the slope of the CD is present, the projection points a ', B' of the points a, B on the straight line of the CD along the y-axis are calculated, and if (w1-y1) · (w2-y2) & (x3-x1) · (x4-x1) · 0, the points a, B intersect;
(3) when the slope of the straight line CD is absent (i.e., x3-x 4) and the slope of AB is present, calculating the projection points a ', B' of the points C and D on the AB straight line along the y axis, and intersecting if (w3-y3) (w4-y4) < & (x1-x3) ((x 2-x3) < ═ 0);
(4) when none of the slopes is present, the crossing is made if (x1 ═ x3) & ((y3-y1) ((y3-y 2) < ═ 0| (y4-y1) (y4-y2) < ═ 0).
3-6) judging whether the dimension lines have interference relationship according to the obtained coordinates of two arrows with the dimension and the coordinates of two datum points with the surface roughness, when the surface roughness is positioned on the contour surface, putting the interference dimension serial number into a container gscccx 1, putting the interference surface roughness serial number into a container gscccd 1, judging whether the dimension lines are in horizontal dimension or vertical dimension according to the interference dimension line serial number and judging the position of the area where the dimension lines are positioned, judging the angle of the surface roughness according to the surface roughness serial number, when the interference occurs in a horizontal area (c), taking the ordinate of the second datum point with the surface roughness as the positioning point of the current interference horizontal dimension, traversing the horizontal coordinate in the area (c) containing the horizontal dimension of the interference dimension lines, respectively adjusting the dimension lines in the area (c), namely adding a fixed value to the ordinate of each dimension line in the area (c), reducing a fixed value for the ordinate of each dimension line in the area III; when the interference occurs in the vertical area (c), the adjusting method is consistent with the horizontal area;
3-7) when the interference occurs in the second area, adjusting the horizontal size and the vertical size according to the second datum point of the interference surface roughness as a positioning point, when the surface roughness is positioned in a lead mode, putting the interference size serial number into a container gscccx 2, putting the interference surface roughness serial number into a container gscccd 2, dividing a view into four areas I, II, III and IV by a view central point P, as shown in figure 8, when the first datum point of the interference surface roughness is in the area I, judging whether the interference size line is the horizontal size and the vertical size, when the size line is the horizontal size, driving the surface roughness by a SetPosition () method and moving the surface roughness to the right by a certain fixed value, when the size line is the vertical size, driving the surface roughness and moving the surface roughness up by a certain fixed value, circularly judging the interference until no interference occurs, and stopping circularly; in the areas II, III and IV, the judgment principle of the area I is adopted, the area is determined by the first datum point of the surface roughness, and the translation direction is determined by the horizontal dimension and the vertical dimension.
The valve body interference view described in fig. 9 is adjusted using the method described above, and the adjusted view of the valve body is shown in fig. 10.
Claims (2)
1. A method for modifying and adaptively adjusting the surface roughness of engineering drawings in batch is characterized by comprising the following steps:
1) changing the marking form of the surface roughness in batches:
1-1) acquiring a first view in a two-dimensional engineering drawing;
1-2) traversing all surface roughness objects in the first view, wherein an API Interface of the surface roughness in Solidworks is ISFSymbol Interface, a return value of a GetSymbol () method under the Interface obtains the type of the surface roughness in an enumeration way, and when the return value is 0, 1, 2, 9, 8 and 7, the type corresponds to a basic type of the surface roughness, a required cutting machining type, a forbidden cutting machining type, a required JIS cutting machining type, a JIS basic type and a forbidden JIS cutting machining type respectively; when the return value is 8, the marking form of the surface roughness is an old marking form, a container jsccdxh is defined, and the old marking form of the surface roughness is put into the container jsccdxh;
1-3) obtaining character strings of surface roughness components by a GetTest () method according to the obtained old labeling form of the surface roughness; the surface roughness includes a 1 Maximum roughness, a 2 Minimum roughness, b machining method, c sampling length, d roughness interval, e removal material coefficient and f other roughness 7 parts;
1-4) setting the type of the surface roughness and the marking part of the surface roughness by utilizing a SetSymbol () method and a SetText () method according to the corresponding relation between the old marking form of the surface roughness and the national standard surface roughness of the new edition;
1-5) after the first view finishes modifying the labeling form of the surface roughness in batch, entering the next view by using an IGetNextView () method, and circularly scanning the surface roughness object on the view until the view scanning adjustment is finished;
2) the adaptive position adjustment of the dimension line comprises the following steps:
2-1) in a template of a Solidworks engineering drawing, each view has a corresponding view frame, horizontal and vertical coordinates of the left lower corner and the right upper corner of the view frame are obtained by using a GetOutline () method in a view interface, a dimension line is divided into a regular dimension layer and an irregular dimension layer by taking the view frame as a boundary, the dimension lines outside the view frame have hierarchy, the dimension lines inside the view frame are relatively disordered and have no regularity, and the dimension lines can be adjusted only when an interference problem occurs;
2-2) traversing all dimension line objects, obtaining coordinates of two arrows of the dimension lines by using a GetAlowHeadAtIndex 2() method, respectively placing a horizontal and vertical coordinate of a first arrow of the dimension lines into a container ccxx1 and a container ccxy1, respectively placing a horizontal and vertical coordinate of a second arrow of the dimension lines into a container ccxx2 and a container ccxy2, and recording a serial number of each dimension line into a container ccxxh, traversing the dimension lines, dividing the dimension lines into a horizontal dimension, a vertical dimension and other dimensions according to the following formula (1) and formula (3), placing a vertical dimension serial number i into a container szxh, placing a horizontal dimension serial number j into a container spxh, bounding a view frame, layering three regions in the horizontal direction and three regions in the vertical direction of the dimension lines according to the vertical coordinate of the horizontal dimension and the horizontal coordinate of the vertical dimension, respectively placing a length of the vertical dimension into a container sz 1 cd for each region according to formula (2), szcd2 and szcd3, and vertical size serial numbers are placed into containers szxh1, szxh2 and szxh3, respectively, lengths of horizontal sizes are placed into containers spcd1, spcd2 and spcd3, and horizontal size serial numbers are placed into containers spxh1, spxh2 and spxh3, respectively, according to formula (4), the numbers in the size length containers are arranged from small to large using the sort () function in c + +, resulting in layered horizontal size length containers spcd10, spcd20 and spcd30, and layered vertical size length containers szcd10, szcd20 and szcd30, and the original serial numbers of the horizontal sizes are recorded: containers spxh10, spxh20 and spxh30 and vertical size indices: containers szxh10, szxh20, and szxh 30;
ccxx1[i]＝ccxx2[i] (1)
szcd[i]＝|ccxy1[i]-ccxy2[i]| (2)
ccxy1[j]＝ccxy2[j] (3)
spcd[j]＝|ccxx1[j]-ccxx2[j]| (4)
2-3) adjusting the dimension line by utilizing a SetPosition () method according to a regular layout mode that the dimension line is outside a view frame;
3) the method comprises the following steps of self-adaptive position adjustment of surface roughness, wherein the marking form of the marking degree of the surface roughness comprises the steps of directly marking on the surface of a contour and connecting a lead to other positions of a drawing on the surface of the contour, and the method specifically comprises the following steps:
3-1) firstly obtaining two labeling forms distinguished by whether an arrow exists on the surface roughness according to a GetAlowHeadCount () method under a surface roughness interface, and obtaining a surface roughness vertex coordinate A by utilizing a GetPosition () method 0 、B 0 ；
3-2) when the surface roughness is directly marked on the surface of the profile, obtaining the angle alpha of the surface roughness by utilizing a GetAngle () method, and marking the default size of characters according to the default size of the surface roughness symbol of Solidworks,
Length and surface roughness of horizontal position A 0 B 0 An angle β with respect to the profile surface;
3-3) calculating B 'from the following equations (5) and (6)' 0 Traversing all roughness objects, processing the surface roughness of the two marking forms separately, and marking the first surface roughness of the contour surfaceReference point A 0 The abscissa of (a) is placed in a container ccdx1, and the ordinate is placed in a container ccdy 1; a second reference point B 0 Is placed in a container ccdx2 on the abscissa and in a container ccdy2 on the ordinate, and the surface roughness number is recorded in a container ccdxh1 as a 0 B 0 Judging whether the interference with the dimension line exists in the engineering drawing or not as a reference line of the surface roughness;
3-4) when the surface roughness is marked to the engineering drawing in the form of lead, obtaining A by using a GetAlowHeadAtIndex 2() method 1 Coordinates, first reference point A of surface roughness, marking this form 1 The abscissa of (a) is placed in a container ccd1x1, and the ordinate is placed in a container ccd1y 1; second reference point B 1 The abscissa of (a) is placed in a container ccd1x2, and the ordinate is placed in a container ccd1y 2;
3-5) in the engineering drawing, considering the interference condition in the drawing as the problem of whether line segments intersect, obtaining the specific coordinates of each size, surface roughness and geometric tolerance on the view according to an API provided by Solidworks, and judging whether the interference condition exists in the drawing; judging the intersection condition of two line segments under a Solidworks default coordinate system;
3-6) judging whether the dimension line has interference relation according to the obtained coordinates of two arrowheads with dimension and the coordinates of two datum points with surface roughness, when the surface roughness is positioned on the contour surface, putting the interference dimension serial number into a container gscccx 1, putting the interference surface roughness serial number into a container gscccd 1, judging whether the dimension line is horizontal dimension or vertical dimension according to the interference dimension line serial number and judging the position of the area where the dimension line is positioned, judging the angle of the surface roughness according to the surface roughness serial number, dividing the view into a horizontal area (c) and a vertical area (c) according to a view frame, traversing the positioning point of the horizontal dimension of the current interference by using the ordinate of the second datum point with surface roughness when the interference occurs in the horizontal area (c), traversing the abscissa of the area (c) including the horizontal dimension of the interference dimension line, and respectively adjusting the dimension lines in the region (c), namely, a fixed value is added to the ordinate of each dimension line in the region I, and a fixed value is reduced to the ordinate of each dimension line in the region III; when the interference occurs in the vertical area (c), the adjusting method is consistent with the horizontal area;
3-7) when the interference occurs in the second area, adjusting the horizontal size and the vertical size according to the second datum point of the interference surface roughness as a positioning point, when the surface roughness is positioned in a lead mode, putting the interference size serial number into a container gscccx 2, putting the interference surface roughness serial number into a container gscdd 2, dividing the view into four areas I, II, III and IV by using a view central point P, when the first datum point of the interference surface roughness is in the area I, judging whether an interference size line is the horizontal size and the vertical size, when the size line is the horizontal size, driving the surface roughness by a SetPosition () method and moving the surface roughness to the right by a certain fixed value, when the size line is the vertical size, driving the surface roughness and moving the surface roughness to the upper by a certain fixed value, circularly judging the interference until no interference occurs, and stopping the cycle; in the areas II, III and IV, the judgment principle of the area I is adopted, the area is determined by the first datum point of the surface roughness, and the translation direction is determined by the horizontal dimension and the vertical dimension.
2. The method for batch modification and adaptive adjustment of the surface roughness of the engineering drawing according to claim 1, wherein in the step 3-5), the intersection of two line segments comprises the following conditions:
(1) when the slopes of two straight line pairs exist, calculating projection points of each point on the other straight line along the y-axis direction, namely A ', B', C ', D', and if (w1-y1) (w2-y2) < & (w3-y3) ((w 4-y4) < & (w3-y3) <0), intersecting;
(2) when the slope of the straight line AB is absent, i.e., x1 ═ x2, and the CD slope is present, the projection points a ', B' of points a, B on the straight line of the CD along the y axis are calculated, and if (w1-y1) & (w2-y2) & & (x3-x1) (. x4-x1) < &) 0, the points intersect;
(3) when the slope of the straight line CD is absent, i.e., x3-x 4 and the slope of AB is present, calculating the projection points a ', B' of the points C and D on the AB straight line along the y axis, and intersecting if (w3-y3) (w4-y4) < & (x1-x3) ((x 2-x3) < ═ 0);
(4) when none of the slopes is present, the crossing is made if (x1 ═ x3) & ((y3-y1) ((y3-y 2) < ═ 0| (y4-y1) (y4-y2) < ═ 0).
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