CN103440103A - Method for constructing and correcting pattern spot guided by multi-point touch screen portable device - Google Patents
Method for constructing and correcting pattern spot guided by multi-point touch screen portable device Download PDFInfo
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Abstract
The invention discloses a method for constructing and correcting a pattern spot guided by a multi-point touch screen portable device. Firstly, the pattern spot to be constructed is collected, the data source of the pattern spot to be constructed is from one of a GPS collecting point, a screen point and a base map point collecting point. Then, a field survey pattern spot is selected and constructed, a sliding gesture is adopted, the collecting points passed in the sliding process are added to the sequence of the pattern spot to be constructed, and when the constructed pattern spot is selected and an error operation occurs, the sliding gesture is finished, the finger leaves a touch screen, and a gesture correcting and pattern spot attribute adding stage is set. If the collecting point is accurately selected in the stage of constructing the pattern spot, correction is not needed, and the gesture correction stage is skipped. The method is innovatively combined with the multi-point touch gesture and a land field survey operation, the fast construction and correction of the pattern spot is achieved, the operation is simple, the process is clear, and the method is convenient for field operating personnel to learn, grasp and use.
Description
Technical field
The present invention is a kind of multi-point touch panel portable set that utilizes, and the method that carry out the collection of field investigation figure spot in land investigation, generates, revises, belong to the field to land management electronic information and respective handling method thereof.
Background technology
Soil field condition investigation often relates to structure and the associative operation thereof of figure spot, the portable PDA that field study software in soil is equipped on more at present, equipment mostly is touch screens, be limited to the ardware feature of equipment, can only realize single-point touches, do not support multiple point touching, can only realize the clicking operation of stylus, mode of operation is single.
Structure and the correcting mode thereof of field figure spot are mainly at present: the mode of clicking screen with stylus is chosen the field acquisition point successively, builds investigation figure spot, while revising the figure spot, is operating as the operation of cancelling successively previous step, or reselects collection point design of graphics spot.
The problem that the method exists is: be limited to the operating characteristic of touch screens, during the design of graphics spot, use stylus to choose successively and treat the design of graphics spot, in the situation that the figure spot is more, work efficiency is low and increased operating personnel's workload.Because needs are operated by stylus, increased the unreliability of operation, when stylus is lost or damaged, can't operate accurately.The same more complicated of figure spot correction, when choosing collection point mistake or design of graphics spot and make a fault, amendment scheme is for cancellation previous action successively until the step when reverting to faulty operation and starting, and this amendment scheme malfunction has increased field study personnel's workload simultaneously.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the invention provides a kind of android smart mobile phone based on multi-point touch/tablet personal computer hardware equipment, provide a kind of and touch the design of graphics spot of guiding and modification method fast thereof based on multi-point gestures.
Technical scheme: for solving the problems of the technologies described above, a kind of figure spot based on the guiding of multi-point touch panel portable set of the present invention builds and modification method, before the design of graphics spot, all collection points of storage container is set up in initialization, design of graphics spot container, correction figure spot container are treated in storage; At first gather and treat the design of graphics spot, treat that design of graphics spot data source gets one of point, base map point collection point from GPS collection point, screen; Then select to build field investigation figure spot, adopt the slip gesture, and by sliding process the collection point of process add the sequence for the treatment of the design of graphics spot, the design of graphics spot is selected when complete, the slip gesture finishes, finger leaves touch screen, be set to gesture correction and figure spot attribute typing stage, if while faulty operation occurring, according to figure spot correction gesture and the constraint condition thereof of definition, the figure shape of spot is revised, carried out the typing of figure spot attribute after having revised; If the design of graphics spot stage selects collection point correct, need not revise, skip the gesture correction stage, directly treat the design of graphics spot and carry out the attribute typing.
Further, describedly treat that design of graphics spot data acquisition flow comprises as follows:
A. open field investigation software, import working base map: vector present situation figure, image pyramid figure;
B. select the Data Source of field investigation point: GPS to adopt point, screen is got a little;
C. according to the Data Source of selecting, adopt a little: GPS adopts a little if, utilizes the GPS receiving trap of equipment, receives the GPS text, resolves current position, obtains latitude and longitude information, by coordinate transform, is converted to the WGS-84 planimetric coordinates and is labeled on screen; Screen is got a little if, directly clicks screen and need to get a place, gathers screen point, by coordinate transform, screen coordinate is converted to the WGS-84 planimetric coordinates;
D. collection point adds all collection points container: collection point information is saved among the container of all collection points; Described all collection points container is the container list of storage all field investigations collection point, adopts the sequential organization storage;
E. judge whether image data finishes: if finish, enter the design of graphics spot stage; Otherwise, repeat c, d step.
Further, described figure spot structure flow process comprises as follows:
A. in the design of graphics spot stage, the finger touch screen, obtain contact position, and trigger gesture and press stage response, in this contact of this phase judgement, whether be the field investigation collection point, if not, illustrate and be not the operation of design of graphics spot, carry out translation, zoom operations; If so, starting gesture slides to choose and treats the design of graphics spot;
B. the slip along with gesture triggers some gestures slip responses successively, obtain corresponding contact coordinate in each response in this stage, this coordinate is judged, if this point is the field investigation collection point, it is deposited in and treats in design of graphics spot container, and by the setup of attribute of this point for treating the design of graphics spot;
C. judge whether to finish to slide, if so, enter gesture and upspring the stage, finger leaves touch-screen, at this stage mode of operation, is set to the gesture correction, enters the gesture correction stage; Otherwise, continue the operation of b step.
Further, described figure spot correction flow process comprises as follows:
A. enter the figure spot correction stage, the finger touch screen, trigger gesture and press stage response, obtains the contact position coordinate, judges that whether this point is as treating the design of graphics spot, if start to carry out the correction of gesture reconnaissance figure spot; Otherwise, carry out translation, zoom operations;
B. determine whether and trigger length by operation, if choose, treat the design of graphics spot, and long pressing, trigger length by responding, carry out and drag point operation in this stage;
C. enter the gesture sliding phase if not long by operation, in the process that gesture is slided, can repeatedly trigger the response in this stage, in the response, obtain the contact coordinate position, and judge whether this point is the field investigation collection point each time, if so, add in correction figure spot container; Otherwise, do not carry out any operation.
D. judge whether the gesture slip finishes, and finishes if slide, and enters the next stage response, otherwise continue the judgement of c step.
E. gesture is slided and is finished, finger leaves touch-screen will trigger the gesture stage response of upspringing, in this stage, constraint condition according to the point in the correction figure spot container that gesture is pressed, gesture is slided two stage acquisition in conjunction with the gesture correction, obtain final gesture correction type, according to different gesture correction types, carry out relevant operation.
Further, in described figure spot structure flow process, figure spot correction gesture is defined as follows:
A. add collection point: be divided into two class situations:
1) add point in the middle of: in the interpolation collection point, intermediate point place of linear ground object or area feature; Constraint condition is: meet in adjacent constraint condition and correction figure spot container and remove head and the tail and put other and be the non-design of graphics spot for the treatment of;
2) head and the tail add a little: the head and the tail Nodes mainly for linear ground object increases point; Constraint condition is: treat that the design of graphics spot is linear ground object, the head of correction figure spot container/tail point is for to treat the head and the tail point in design of graphics spot container, and in container, other points are the non-design of graphics spot for the treatment of;
B. remove collection point: remove the collection point for the treatment of in the design of graphics spot, once can only remove one and treat the design of graphics spot; Constraint condition is: in correction figure spot container, three points can only be arranged, and be followed successively by the adjacent design of graphics spot for the treatment of at these 3;
C. drag collection point: long by treating the design of graphics spot, then be dragged to assigned address; Constraint condition: long drag on demand treat the design of graphics spot;
D. linear ground object becomes area feature: linear ground object is become to area feature; Constraint condition: treat that design of graphics spot type is linear ground object, in correction figure spot container, only have 2 points, these 2 for treating the head and the tail point in design of graphics spot container;
E. area feature becomes linear ground object: area feature is become to linear ground object; Constraint condition: treat that design of graphics spot type is area feature, in correction figure spot container, only have 2 points, these 2 for treating consecutive point or the head and the tail point in design of graphics spot container.
To relate to a plurality of nouns in above-mentioned specific descriptions, specific explanations is as follows:
A. field investigation collection point: the points for investigation that index collects according to acquisition phase comprises two classes: GPS collection point, screen capture point;
B. treat the design of graphics spot: refer to what the design of graphics spot stage was chosen by gesture, for the field investigation collection point of design of graphics spot.
C. the non-design of graphics spot for the treatment of: refer to the field investigation collection point, but be not the design of graphics spot.
D. all collection points container: store the container list of all field investigations collection point, adopt the sequential organization storage.
E. treat design of graphics spot container: treat the container list of design of graphics spot for storage, adopt the sequential organization storage.
F. revise figure spot container: for storing the investigation collection point container list of the needs correction that gesture chooses, adopt the sequential organization storage;
G. head and the tail constraint condition: the head and the tail point in correction figure spot container is to treat the head and the tail point in design of graphics spot container.
Said method can be realized according to following concrete steps:
(1) collection point data structure organization: the collection point type mainly comprises three classes: GPS collection point, screen are got point, base map point, three classes are treated the source difference of design of graphics spot, but in fact all comprised basic point coordinate information (WGS-84), take out interface Point class, whether this interface comprises basic point coordinate, vertex type, for treating the information such as design of graphics spot.Newly-built GPS collection point class, screen are got a class, base map point class respectively, all realize the Point interface class, and these three classes form the some data source of design of graphics spot.
(2) data store organisation tissue: build third category vessel and store respectively: all collection points, treat design of graphics spot, correction figure spot.All collection points container is for storing all collection point information; The collection point that the slip gesture is chosen adds treats in design of graphics spot container, and treat self-defined four kinds of possible design of graphics spot types for the treatment of in design of graphics spot container: container is sky, point-like atural object, linear ground object, area feature.Treat that according to gesture and collection point information setting the design of graphics spot is above-mentioned a kind of; The point that the figure spot correction stage is selected is put into correction figure spot container, according to self-defining gesture collection decision rule, judges gesture correction type.
(3) gather points for investigation information: there are three classes in the points for investigation source: GPS collection point, screen are got point, base map point.The GPS collection point obtains the latitude and longitude information of current location, through longitude and latitude, to the planimetric coordinates conversion, becomes the plane coordinate system coordinate information needed.Screen capture point obtains as current screen and chooses point coordinate, through screen coordinate, to geographic coordinate, transforms and obtains required coordinate information.Base map point is the fundamental point information of the base map upper set key element of importing.The three class points for investigation that collect all are stored to all collection points container, and the initialization of some attribute is set to " non-design of graphics spot ".
(4) select points for investigation design of graphics spot: after gathering points for investigation and finishing, enter the design of graphics spot stage, by the slip gesture, choose successively the field investigation collection point, and add and treat design of graphics spot container.
(5) treat the correction of design of graphics spot gesture: due to the manual operation factor existed and the setting of screen capture scope, mistake likely appears in the design of graphics spot stage unavoidably, if there is design of graphics spot mistake, enters the gesture correction stage, otherwise, skip this stage.
(6) add figure spot attribute information: for the design of graphics spot for the treatment of of selecting adds attribute information.
Beneficial effect: in terms of existing technologies of the present invention, have the following advantages:
(1) operating in conjunction with multiple point touching gesture and soil field study of novelty, realized rapid build and the correction of figure spot.
(2) simple to operate, clear process, be convenient to field operation personnel study and grasp use.
(3) method work efficiency provided by the invention is higher and reduced operating personnel's workload, without being operated by stylus, increases stability and the dirigibility of operation.
The accompanying drawing explanation
Fig. 1 field study figure spot builds process flow diagram;
Fig. 2 collection point data structure organization figure;
The figure spot structure process flow diagram of Fig. 3 based on the gesture guiding;
The figure spot correction process flow diagram of Fig. 4 based on the gesture guiding.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further described.In the process of operation, according to the variation of operating gesture, comprise following three phases: gesture is upspring the stage by next stage, gesture sliding phase, gesture.
As shown in Figure 1, a kind of figure spot based on the guiding of multi-point touch panel portable set builds and modification method, and before the design of graphics spot, all collection points of storage container is set up in initialization, design of graphics spot container, correction figure spot container are treated in storage; At first gather and treat the design of graphics spot, treat that design of graphics spot data source gets one of point, base map point collection point from GPS collection point, screen; Then select to build field investigation figure spot, adopt the slip gesture, and by sliding process the collection point of process add the sequence for the treatment of the design of graphics spot, the design of graphics spot is selected when complete, the slip gesture finishes, finger leaves touch screen, be set to gesture correction and figure spot attribute typing stage, if while faulty operation occurring, according to figure spot correction gesture and the constraint condition thereof of definition, the figure shape of spot is revised, carried out the typing of figure spot attribute after having revised; If the design of graphics spot stage selects collection point correct, need not revise, skip the gesture correction stage, directly treat the design of graphics spot and carry out the attribute typing.
Describedly treat that design of graphics spot data acquisition flow comprises as follows:
A. open field investigation software, import working base map: vector present situation figure, image pyramid figure;
B. select the Data Source of field investigation point: GPS to adopt point, screen is got a little;
C. according to the Data Source of selecting, adopt a little: GPS adopts a little if, utilizes the GPS receiving trap of equipment, receives the GPS text, resolves current position, obtains latitude and longitude information, by coordinate transform, is converted to the WGS-84 planimetric coordinates and is labeled on screen; Screen is got a little if, directly clicks screen and need to get a place, gathers screen point, by coordinate transform, screen coordinate is converted to the WGS-84 planimetric coordinates;
D. collection point adds all collection points container: collection point information is saved among the container of all collection points; Described all collection points container is the container list of storage all field investigations collection point, adopts the sequential organization storage;
E. judge whether image data finishes: if finish, enter the design of graphics spot stage; Otherwise, repeat c, d step.
As shown in Figure 2, collection point data structure organization figure: GPS collection point, screen are got point, base map point, and the most crucial part of three class data sources is the coordinate information of point, the just mode that the obtains approach difference of coordinate information.GPS collection point information, from the latitude and longitude information read in the GPS receiver, is converted to the WGS-84 coordinate information by latitude and longitude information, comprises latitude and longitude information and WGS-84 coordinate information in the GPSPoint class, encapsulates the basic operational functions to point simultaneously.The screen capture dot information is clicked touch-screen from finger, obtain the device coordinate of touch-screen, then device coordinate is converted to geographic coordinate system, comprises basic geographical coordinate information and device coordinate information in the ScreenPoint class, encapsulated equally the basic operational functions to point.Base map collection point information is from the base map imported in software, base map consists of a lot of geometric units, these geometric units may be point, line, surface, if point-like atural object, directly choose this point, wire or area feature if, the institute that at first will form this atural object (wire or planar) shows a little, then clicks by gesture the base map collection point information that obtains of choosing.
As shown in Figure 3, described figure spot structure flow process comprises as follows:
A. in the design of graphics spot stage, the finger touch screen, obtain contact position, and trigger gesture and press stage response, in this contact of this phase judgement, whether be the field investigation collection point, if not, illustrate and be not the operation of design of graphics spot, carry out translation, zoom operations; If so, starting gesture slides to choose and treats the design of graphics spot;
B. the slip along with gesture triggers some gestures slip responses successively, obtain corresponding contact coordinate in each response in this stage, this coordinate is judged, if this point is the field investigation collection point, it is deposited in and treats in design of graphics spot container, and by the setup of attribute of this point for treating the design of graphics spot;
C. judge whether to finish to slide, if so, enter gesture and upspring the stage, finger leaves touch-screen, at this stage mode of operation, is set to the gesture correction, enters the gesture correction stage; Otherwise, continue the operation of b step.
As shown in Figure 4, described figure spot correction flow process comprises as follows:
A. enter the figure spot correction stage, the finger touch screen, trigger gesture and press stage response, obtains the contact position coordinate, judges that whether this point is as treating the design of graphics spot, if start to carry out the correction of gesture reconnaissance figure spot; Otherwise, carry out translation, zoom operations;
B. determine whether and trigger length by operation, if choose, treat the design of graphics spot, and long pressing, trigger length by responding, carry out and drag point operation in this stage;
C. enter the gesture sliding phase if not long by operation, in the process that gesture is slided, can repeatedly trigger the response in this stage, in the response, obtain the contact coordinate position, and judge whether this point is the field investigation collection point each time, if so, add in correction figure spot container; Otherwise, do not carry out any operation.
D. judge whether the gesture slip finishes, and finishes if slide, and enters the next stage response, otherwise continue the judgement of c step.
E. gesture is slided and is finished, finger leaves touch-screen will trigger the gesture stage response of upspringing, in this stage, constraint condition according to the point in the correction figure spot container that gesture is pressed, gesture is slided two stage acquisition in conjunction with the gesture correction, obtain final gesture correction type, according to different gesture correction types, carry out relevant operation.
Described figure spot builds figure spot correction gesture in flow process and is defined as follows:
A. add collection point: be divided into two class situations:
1) add point in the middle of: in the interpolation collection point, intermediate point place of linear ground object or area feature; Constraint condition is: meet in adjacent constraint condition and correction figure spot container and remove head and the tail and put other and be the non-design of graphics spot for the treatment of;
2) head and the tail add a little: the head and the tail Nodes mainly for linear ground object increases point; Constraint condition is: treat that the design of graphics spot is linear ground object, the head of correction figure spot container/tail point is for to treat the head and the tail point in design of graphics spot container, and in container, other points are the non-design of graphics spot for the treatment of;
B. remove collection point: remove the collection point for the treatment of in the design of graphics spot, once can only remove one and treat the design of graphics spot; Constraint condition is: in correction figure spot container, three points can only be arranged, and be followed successively by the adjacent design of graphics spot for the treatment of at these 3;
C. drag collection point: long by treating the design of graphics spot, then be dragged to assigned address; Constraint condition: long drag on demand treat the design of graphics spot;
D. linear ground object becomes area feature: linear ground object is become to area feature; Constraint condition: treat that design of graphics spot type is linear ground object, in correction figure spot container, only have 2 points, these 2 for treating the head and the tail point in design of graphics spot container;
E. area feature becomes linear ground object: area feature is become to linear ground object; Constraint condition: treat that design of graphics spot type is area feature, in correction figure spot container, only have 2 points, these 2 for treating consecutive point or the head and the tail point in design of graphics spot container.
To relate to a plurality of nouns in above-mentioned specific descriptions, specific explanations is as follows:
A. field investigation collection point: the points for investigation that index collects according to acquisition phase comprises two classes: GPS collection point, screen capture point;
B. treat the design of graphics spot: refer to what the design of graphics spot stage was chosen by gesture, for the field investigation collection point of design of graphics spot.
C. the non-design of graphics spot for the treatment of: refer to the field investigation collection point, but be not the design of graphics spot.
D. all collection points container: store the container list of all field investigations collection point, adopt the sequential organization storage.
E. treat design of graphics spot container: treat the container list of design of graphics spot for storage, adopt the sequential organization storage.
F. revise figure spot container: for storing the investigation collection point container list of the needs correction that gesture chooses, adopt the sequential organization storage;
G. head and the tail constraint condition: the head and the tail point in correction figure spot container is to treat the head and the tail point in design of graphics spot container.
The above is only the preferred embodiment of the present invention; be noted that for those skilled in the art; under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (5)
1. the figure spot based on the guiding of multi-point touch panel portable set builds and modification method, it is characterized in that: before the design of graphics spot, all collection points of storage container is set up in initialization, design of graphics spot container, correction figure spot container are treated in storage; At first gather and treat the design of graphics spot, treat that design of graphics spot data source gets one of point, base map point collection point from GPS collection point, screen; Then select to build field investigation figure spot, adopt the slip gesture, and by sliding process the collection point of process add the sequence for the treatment of the design of graphics spot, the design of graphics spot is selected when complete, the slip gesture finishes, finger leaves touch screen, be set to gesture correction and figure spot attribute typing stage, if while faulty operation occurring, according to figure spot correction gesture and the constraint condition thereof of definition, the figure shape of spot is revised, carried out the typing of figure spot attribute after having revised; If the design of graphics spot stage selects collection point correct, need not revise, skip the gesture correction stage, directly treat the design of graphics spot and carry out the attribute typing.
2. the figure spot based on multi-point touch panel portable set guiding according to claim 1 builds and modification method, it is characterized in that: describedly treat that design of graphics spot data acquisition flow comprises as follows:
A. open field investigation software, import working base map: vector present situation figure, image pyramid figure;
B. select the Data Source of field investigation point: GPS to adopt point, screen is got a little;
C. according to the Data Source of selecting, adopt a little: GPS adopts a little if, utilizes the GPS receiving trap of equipment, receives the GPS text, resolves current position, obtains latitude and longitude information, by coordinate transform, is converted to the WGS-84 planimetric coordinates and is labeled on screen; Screen is got a little if, directly clicks screen and need to get a place, gathers screen point, by coordinate transform, screen coordinate is converted to the WGS-84 planimetric coordinates;
D. collection point adds all collection points container: collection point information is saved among the container of all collection points; Described all collection points container is the container list of storage all field investigations collection point, adopts the sequential organization storage;
E. judge whether image data finishes: if finish, enter the design of graphics spot stage; Otherwise, repeat c, d step.
3. the figure spot based on the guiding of multi-point touch panel portable set according to claim 1 builds and modification method, it is characterized in that: described figure spot builds flow process and comprises as follows:
A. in the design of graphics spot stage, the finger touch screen, obtain contact position, and trigger gesture and press stage response, in this contact of this phase judgement, whether be the field investigation collection point, if not, illustrate and be not the operation of design of graphics spot, carry out translation, zoom operations; If so, starting gesture slides to choose and treats the design of graphics spot;
B. the slip along with gesture triggers some gestures slip responses successively, obtain corresponding contact coordinate in each response in this stage, this coordinate is judged, if this point is the field investigation collection point, it is deposited in and treats in design of graphics spot container, and by the setup of attribute of this point for treating the design of graphics spot;
C. judge whether to finish to slide, if so, enter gesture and upspring the stage, finger leaves touch-screen, at this stage mode of operation, is set to the gesture correction, enters the gesture correction stage; Otherwise, continue the operation of b step.
4. the figure spot based on the guiding of multi-point touch panel portable set according to claim 1 builds and modification method, and it is characterized in that: described figure spot correction flow process comprises as follows:
A. enter the figure spot correction stage, the finger touch screen, trigger gesture and press stage response, obtains the contact position coordinate, judges that whether this point is as treating the design of graphics spot, if start to carry out the correction of gesture reconnaissance figure spot; Otherwise, carry out translation, zoom operations;
B. determine whether and trigger length by operation, if choose, treat the design of graphics spot, and long pressing, trigger length by responding, carry out and drag point operation in this stage;
C. enter the gesture sliding phase if not long by operation, in the process that gesture is slided, can repeatedly trigger the response in this stage, in the response, obtain the contact coordinate position, and judge whether this point is the field investigation collection point each time, if so, add in correction figure spot container; Otherwise, do not carry out any operation.
D. judge whether the gesture slip finishes, and finishes if slide, and enters the next stage response, otherwise continue the judgement of c step.
E. gesture is slided and is finished, finger leaves touch-screen will trigger the gesture stage response of upspringing, in this stage, constraint condition according to the point in the correction figure spot container that gesture is pressed, gesture is slided two stage acquisition in conjunction with the gesture correction, obtain final gesture correction type, according to different gesture correction types, carry out relevant operation.
5. the figure spot based on the guiding of multi-point touch panel portable set according to claim 4 builds and modification method, it is characterized in that: described figure spot builds figure spot correction gesture in flow process and is defined as follows:
A. add collection point: be divided into two class situations:
1) add point in the middle of: in the interpolation collection point, intermediate point place of linear ground object or area feature; Constraint condition is: meet in adjacent constraint condition and correction figure spot container and remove head and the tail and put other and be the non-design of graphics spot for the treatment of;
2) head and the tail add a little: the head and the tail Nodes mainly for linear ground object increases point; Constraint condition is: treat that the design of graphics spot is linear ground object, the head of correction figure spot container/tail point is for to treat the head and the tail point in design of graphics spot container, and in container, other points are the non-design of graphics spot for the treatment of;
B. remove collection point: remove the collection point for the treatment of in the design of graphics spot, once can only remove one and treat the design of graphics spot; Constraint condition is: in correction figure spot container, three points can only be arranged, and be followed successively by the adjacent design of graphics spot for the treatment of at these 3;
C. drag collection point: long by treating the design of graphics spot, then be dragged to assigned address; Constraint condition: long drag on demand treat the design of graphics spot;
D. linear ground object becomes area feature: linear ground object is become to area feature; Constraint condition: treat that design of graphics spot type is linear ground object, in correction figure spot container, only have 2 points, these 2 for treating the head and the tail point in design of graphics spot container;
E. area feature becomes linear ground object: area feature is become to linear ground object; Constraint condition: treat that design of graphics spot type is area feature, in correction figure spot container, only have 2 points, these 2 for treating consecutive point or the head and the tail point in design of graphics spot container.
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| 张伟: ""基于ArcGIS的土地利用制图综合方法研究"", 《中国优秀硕士学位论文全文数据库-经济与管理科学辑》 * |
| 张寅: ""土地利用变更分析与管理***设计与实现-以SuperMap Objects软件应用为例"", 《测绘科学》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105446586A (en) * | 2014-09-19 | 2016-03-30 | 三星电子株式会社 | Display apparatus and method for controlling the same |
| CN109977187A (en) * | 2019-03-21 | 2019-07-05 | 山西省煤炭地质物探测绘院 | A kind of acquisition tune of land investigation data draws method and system |
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| CN103440103B (en) | 2016-08-03 |
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