CN104915521B - Log sheet compilation method based on field catalog data and automated cartographic generalization - Google Patents
Log sheet compilation method based on field catalog data and automated cartographic generalization Download PDFInfo
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Abstract
The invention discloses a kind of log sheet compilation technology based on field catalog data and automated cartographic generalization, comprise according to geological record and draw the rule of block diagram and field initial data is carried out pretreatment and storage, in conjunction with expertise and result of log interpretation data block diagram carried out knowledge gets involved and the technology modules such as cartographic generaliztion, the print from the definition output that synthesis result is carried out automatically classifying and filing warehouse-in and achievement map。Boring composite columnar section is drawn by this technological system, it is capable of the integration generation of block diagram, embody original catalog data and support the work rule of the leading end result of the generation of map framework, expertise, avoid compilation process that the data of acquired original are artificially distorted and the contradiction of domain knowledge intervention can not be carried out, simplify the workflow that geological record data adjust with log data contrast and ground (rock) stratum boundary line, the compilation efficiency that can make log sheet is greatly improved, moreover it is possible to make the drafting specification more of block diagram。
Description
Technical field
The present invention relates to a kind of log sheet compilation method based on field catalog data and automated cartographic generalization, belong to field geology data acquisition geologic information technique and geological map aided production technology。
Background technology
The collection of field geology data is by first important step of Construction of Mine Digitalization, occupies critical role in the production practices process of digital mine。The storage mode of the data that field is acquired decides reasonability and the convenience that data use, and solid foundation has been established in the compilation for later stage geological map。Since the eighties in 20th century, occur in that a lot of log sheet compilation software。The effect of these compilation softwares is better, efficiency is also higher, but the data adopted mostly are treated layering result data, have ignored the direct contact of initial data and Columnar Section Drawing, after almost adopting artificial judgment, the mode of input result data carries out the division on stratum, and work efficiency is low, also cannot ensure correctness simultaneously。
Cartographic generaliztion is the feature of purposes after one-tenth figure and mapland according to the map, with the form reflection map subject drawing practice with regular feature and typical feature abstract, that summarize, comprise comprehensive and type of ground objects comprehensive of comprehensive, the atural object quantity of atural object shape。It was used for the establishment of some thematic maps in the past, seldom related in log sheet drawing process。Due to the individual-layer data that the layering performance data of some block diagram is edited and recorded from not only field geology, also need in conjunction with expertise and result of log interpretation data, the formation data edited and recorded further be adjusted, make the distribution of strata situation of comprehensive pillar closer to truth。In conventional working method, it is necessary to the data of amendment stratum pillar, more again become figure；Or on graphical interfaces, revise the size of stratum pillar, but the layered identification information relevant to stratum can not associated modification, add workload, process is loaded down with trivial details。Therefore, here the thought of composite mapping is introduced the compilation of log sheet, in conjunction with computer graphics, it is achieved the dynamic renewal of stratum pillar。
Synthesis result is carried out automatically classifying and filing, by ingenious for the drafting of the drawing result of block diagram Yu other geological maps combination。Initial data is the basis drawing geological record basis, boring composite columnar section, and the hierarchical information analyzing acquisition and ore deposit segment information by block diagram is later stage profiling and plane graph, even carrying out the basis of ore body reserve estimate, therefore, these geological work flow processs are all linked with one another。By the layering performance data Put on file of composite columnar section, there is certain necessity。In conventional block diagram compilation instrument, it is common that by the bulk migration method of stratum pillar, be integrated by the stratum pillar of the pillar of log sheet and profile, lack the extraction of necessity, statistics and filing in data plane。
Summary of the invention
In order to solve the deficiencies in the prior art, the invention provides a kind of log sheet compilation method based on field catalog data and automated cartographic generalization, overcome and draw that individual-layer data in boring composite columnar section process separates with initial data, rock core adjusts the deficiency that process is loaded down with trivial details, data lack automatically classifying and filing in the past, to promote for the purpose of drawing efficiency, content and its to the initial data that field obtains are edited and recorded mode and are analyzed, and the compilation of the storage of data and map are combined；Provide the visualization tool to comprehensive pillar when adjusting rock core；In conjunction with drawing flow process, it is provided that drawing result to be carried out the complete thinking extracted, screen, preserve and export。
The present invention solves that its technical problem be the technical scheme is that and provide a kind of log sheet compilation method based on field catalog data and automated cartographic generalization, comprise the following steps:
(1) field is edited and recorded the initial data of acquisition, log data and explanation results data thereof to be saved in subject point source database；
Set hierarchical rule by procedure below, according to hierarchical rule, initial data carried out strata division, generate pre-layered sheet:
Setting hierarchical rule according to field practical situation, hierarchical rule includes following constraints: lithology title, color, alteration and stratum age；According to hierarchical rule, each layer lithologic member in initial data is merged, if two-layer lithologic member has identical constraint, and the lithology of one layer of lithologic member stops the degree of depth, and to play the degree of depth with the lithology of another layer of lithologic member identical, and two-layer lithologic member is merged into new big layer, and when merging, the alteration Information in big layer, crack information are added in the petrographic description that this big layer is corresponding, each big layer composition layering result, utilizes layering result to generate pre-layered sheet；
(2) utilize pre-layered sheet to draw the initial map of log sheet, initial map carried out comprehensively, obtain the achievement map of log sheet:
Utilizing Method of Parametric Drawing, template is drawn in customization, and template content includes waiting drawing the drafting scope of the column information of initial map, col width, the bar number of log, content that every log represents and every log；By the fills of log data, result of log interpretation data and pre-layered sheet to drawing template, obtain initial map；
In conjunction with result of log interpretation and initial data, utilize automated cartographic generalization method that initial map is carried out lithology and automatically distribute, be updated with the distribution of strata to initial map, the log sheet of formation；
On the graphical interfaces of log sheet, log and stratum pillar are carried out the dynamic adjustment of subrange by procedure below, obtain the achievement map of log sheet: if log can not the change of complete reaction lithology, then local log is implemented conversion, make the log of stratum pillar and the requirement of stratum pillar scale adapt；If there is lithology or the epoch being identical but the stratum pillar that is drawn in different layers, then carry out substratum merging, merge into a layering, make to exist lithology or epoch identical stratum pillar is incorporated into same layering；If the stratum pillar that there is lithology or Different Period but be drawn in a layer, carrying out big layer decomposition, make the layering that this layer is decomposed into more than 2, lithology or the epoch of each layering differ；If there is geological record and the unmatched layering of result of log interpretation, then according to result of log interpretation adjustment layering bottom and top beds, geological record is made to mate with result of log interpretation；There is the grade of stratum pillar in layering not corresponding with lithology, then carry out grade adjustment, the grade making stratum pillar is consistent with lithology；If there is petrographic description with being layered unmatched stratum pillar, then carry out the accommodation of petrographic description, make the description of stratum pillar with layering and matching；The achievement map of block diagram is obtained after adjustment；
(3) extract the core data of log sheet achievement map and file, for drafting and the output of follow-up map；Described core data includes geological layering information and hydrographic information。
Initial data described in step (1) includes geological record data, hydrology catalog data and physical prospecting catalog data。
In step (2), utilize automated cartographic generalization method to carry out lithology in conjunction with result of log interpretation and initial data automatically to distribute, it is updated with the distribution of strata to initial map, the log sheet formed, detailed process is: utilize result of log interpretation and initial data to judge, if the sandstone region of loose lithology, then simulates expertise, formulate the implementation rule of data automatic Synthesis, carry out the partition again of lithology in conjunction with editing and recording layering result and result of log interpretation in advance；If for the rock stratum of coal or calcic rock, the foundation being position judgment with the lithology of result of log interpretation, otherwise with pre-layered sheet for foundation, in conjunction with both position and lithology, the distribution of strata of initial map being updated, the log sheet of formation。
In step (2), automated cartographic generalization method includes converting according to the scale of the actual demand log to utilizing log data to draw out, the realization of log conversion scale, using the curve title of log, draw scope, draw color and draw the scale rendering parameter as log, adopting the mode adding virtual point is the interpolating estimation that the optional position chosen carries out log value, completes the conversion of optional position, arbitrary curve and arbitrary scale。
In step (2), automated cartographic generalization method includes utilizing computer that each stratum in block diagram stratigraphic region interacts formula amendment, change in location by the message response real time record current layer to the attribute-bit on each stratum and mouse, according to the stratigraphic region number selected, combined mouse point closes on degree with border, stratigraphic region, judge whether to depth of stratum and the start-stop position of conversion, adopt the method for key attribute pairing to amended Stratigraphic Time boundary, the degree of depth, rock core length, thickness, taking rate, the row changing layer depth dynamically update, complete petrographic description self adaptation。
In step (3), geological layering information includes after cartographic generaliztion, lithology in the layering result of achievement map and the start-stop degree of depth, the type of alteration and intensity, and the color on stratum and the start-stop degree of depth；The hydrology extracts and includes procedure below:
In units of stratum age, obtaining the lithology in each stratum age, according to the water penetration of rock, add up the buried depth in the lithology that this stratum age is corresponding, thickness, interlayer number and thickness of interlayer, storage is in water-bearing layer, water barrier and buried depth statistical table。
After step (3) extracts core data the filing of block diagram achievement map, utilize core data to carry out output to print, during printing, total length rounds according to height and the scale size of the page, so that printer page adapts to different hole depth, different scale and different output requirement。
The present invention is had advantageous effect in that based on its technical scheme:
(1) initial data of field acquisition is classified by the present invention, it is ensured that the unified storage of electronization of data, it is simple to storage and later stage layered shaping；
(2) initial data is carried out pre-layered shaping by the present invention, it is possible to use computer realizes, and saves labour turnover, and avoids the secondary calculating to initial data simultaneously, reduces error, improves the credibility of data；
(3) present invention utilizes the mode of cartographic generaliztion, in conjunction with expertise, it is adjusted editing and recording layering, takes full advantage of graphic representation method and its accurate computing function of computer, while mobile stratigraphic boundary, the linkage realizing data updates, simplify the method for work of regulation of mental activities, reduce the calculation requirement to user, it is to avoid user revises individual-layer data, initial data and achievement figure are separated, forms two and influence each other and non-interference standalone module；
(4) present invention makes full use of performance data, user is avoided to draw the processing again to data of the block diagram later stage, calculating to sand body uniform thickness, simplify workflow, become map to have laid a good foundation for generating profile with plane graph etc., form a set of specification, easily digitized exploration method；
(5) present invention disclosure satisfy that the different demands of different geology research unit, to hierarchical rule, draw content, mode of publishing picture etc. adopts self-defining mode, have stronger compatibility, improve the autonomy of user。
Accompanying drawing explanation
Fig. 1 is the schematic diagram of original catalog data storage in the method for the invention；
Fig. 2 is the schematic diagram of block diagram automated cartographic generalization in the method for the invention；
Fig. 3 is the schematic diagram extracting and putting in storage of core data in the method for the invention。
Fig. 4 is the schematic flow sheet of the present invention。
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described。
The invention provides a kind of log sheet compilation method based on field catalog data and automated cartographic generalization, with reference to Fig. 4, comprise the following steps:
(1) field is edited and recorded the initial data of acquisition, log data and explanation results data thereof and be saved in subject point source database, set hierarchical rule, according to hierarchical rule, initial data is carried out strata division, generate pre-layered sheet。
Described initial data includes geological record data relevant with Columnar Section Drawing, hydrology catalog data and physical prospecting catalog data。Rule is edited and recorded in subject point source database and field and Columnar Section Drawing rule adapts, and its storage organization is as shown in Figure 1。
Geological record data include: formation lithology catalog data, alteration Information catalog data, structural fracture catalog data, these a few class catalog datas all reflect the general picture of the formation lithology of certain degree of depth, wherein, alteration Information and structural fracture information are the tiny ingredient of certain section of rock core, can not describe with the start-stop position of whole section of rock core, accordingly, it would be desirable to be stored separately。
Wherein, " formation lithology catalog data " including: from class count off according in quote round trip data (round trip number, this round trip degree of depth, this round trip degree of depth only), lithology sequence number (same round trip can have different kinds of rocks), lithology, lithology only (degree of depth relative to this round trip), rock title, rock color, petrographic description etc.。
" alteration Information catalog data " including: report from class the round trip data (round trip number, this round trip degree of depth, this round trip degree of depth only) quoted, alteration sequence number (same round trip different depth can have multiple alteration), alteration, alteration only (degree of depth relative to this round trip), alteration title (the same degree of depth can have different alterations, supports the cumulative of alteration title), alteration intensity etc.。
The content of " structural fracture catalog data " is similar with " alteration Information catalog data "。
Physical prospecting catalog data is also the necessary data in Columnar Section Drawing process, designs independent physical prospecting and edits and records log storage state properties。Here state properties is divided into the original catalog data of physical prospecting and repetition measurement catalog data, by adding the mode of flag, stores while supporting both。Also support two kinds of data storages editing and recording mode: a kind of mode edited and recorded for the class's of quoting count off evidence according to round trip herein, another kind of for directly to edit and record according to the degree of depth。Therefore, in the present embodiment, physical prospecting catalog data includes: from class count off according in quote round trip data (round trip number, this round trip degree of depth, this round trip degree of depth only), the measuring point sequence number measurement of multiple point (the same round trip carry out), point position (relative depth relative to the round trip degree of depth can be used, it is possible to use actual absolute depth), γ+β counting rate, γ counting rate, γ+β exposure rate, gamma-radiation dose rate etc.。
Hydrology catalog data includes simple hydrological observation data and the hydrology details relevant to lithology。For the simple and easy observation hydrographic data in input database, it is automatically performed the process to initial data: some can differentiate the numerical relation between the field of hydrology phenomenon according in data, may identify which out the retention of excessive fluid at some depth location place of boring, information of leaking, static level data, and they are organized into according to the order of sequence the description of specification, then by this pass key index of the degree of depth, search at it at round trip corresponding to geological record data, thus being integrated into during the hydrology describes。The hydrographic information relevant to lithology and geological layering have close relationship, can consider unified in formation lithology is edited and recorded realization here。The data relevant to the hydrology include: permeability classification, water penetration, RQD value, sorting, cementing form, implant, lumpiness, and the content of these fields carries out organizing and splices, and forms a complete hydrology and describes。
Set hierarchical rule, according to hierarchical rule, initial data carried out strata division, generate pre-layered sheet, including procedure below:
Setting hierarchical rule according to field practical situation, hierarchical rule includes following constraints: lithology title, color, alteration and stratum age；Here computer can be utilized to realize, provide the user the interface of custom hierarchical rule, adopt regular expression to record user-defined stratified condition, with special symbol for separator, character string pattern matching, extract user-defined conditional outcome。
According to hierarchical rule, each layer lithologic member in initial data is merged, if two-layer lithologic member has identical constraint, and the lithology of one layer of lithologic member stops the degree of depth, and to play the degree of depth with the lithology of another layer of lithologic member identical, and two-layer lithologic member is merged into new big layer, and when merging, the alteration Information in big layer, crack information are added in the petrographic description that this big layer is corresponding, each big layer composition layering result, utilizes layering result to generate pre-layered sheet。Judge that content includes to what petrographic description processed: whether start-stop position, rock stratum exists, if being absent from, is then added into the starting position of petrographic description；Whether rock title exists in petrographic description, if being absent from, after being added into start-stop position, rock stratum；If there is alteration symbol or crack symbol in this section, judge and add alteration Information (including alteration position, alteration title and intensity) and the crack description (including position, crack, crack to describe) of lithology, it is added into petrographic description end with the text template of " seeing XX alteration in XXm place, intensity is X "。Data in pre-layered sheet are for generating the initial map of block diagram。
(2) utilize pre-layered sheet to draw the initial map of log sheet, initial map carried out comprehensively, obtain the achievement map of log sheet:
Utilizing Method of Parametric Drawing, template is drawn in customization, and template content includes waiting drawing the drafting scope of the column information of initial map, col width, the bar number of log, content that every log represents and every log；Column information comprises the degree of depth, rock core length, thickness, taking rate, changes the alternative row relevant to Columnar Section Drawing such as layer depth, stratum pillar, color, rock bonding degree, carbonate content petrographic description；Log rendering parameter includes log bar number, every log represents content and the drafting scope of every log。With every rows of definition column coding, it is each row assignment in a coded form, determines the template of the log sheet drawn out according to selected row content；By structure, the title of log, content, maximum, minima etc. are carried out global storage, accept the curve plotting content that user sets, for drawing initial map, by the fills of log data, result of log interpretation data and pre-layered sheet to drawing template, obtain initial map。
Utilize automated cartographic generalization method that initial map is carried out lithology in conjunction with result of log interpretation and initial data automatically to distribute, be updated with the distribution of strata to initial map, the log sheet of formation, i.e. data cartographic generaliztion。For the versatility of drawing result, for the area of some loose lithology, after original catalog data is carried out pre-layered shaping, can not editing and recording, according to field is actual, the truth determining lithology completely, the adjustment that well log interpretation is rock core provides new foundation。Therefore, then simulate expertise, formulate the implementation rule of data automatic Synthesis, carry out the partition again of lithology in conjunction with editing and recording layering result and result of log interpretation in advance；If for the rock stratum of poor permeability, the foundation being position judgment with the lithology of result of log interpretation, otherwise to be layered as foundation in advance, in conjunction with both position and lithology, the distribution of strata of initial map being updated, the log sheet of formation。The rule of aggregation of data is as follows: if certain section of result of log interpretation is coal or calcareous rock, in this section of lithology of comprehensive pillar with the fills of result of log interpretation；If certain section of result of log interpretation is sandstone, then obtain the catalog data of round trip corresponding to this degree of depth, according to the lithology content edited and recorded, to editing and recording lithology partition in proportion in this fragment position of well log interpretation, be filled in comprehensive pillar。Wherein, it is judged that calcareous rock, not only need to judge according to rock title, in addition it is also necessary to obtain this section of lithology rock bonding degree in catalog data, if rock bonding degree is " densification ", be then defined as calcareous rock, otherwise as sandstone treatment。Through the automatic partition of rock core, tentatively realize distribution and the adjustment of lithology, comprehensive pillar is filled up。
Automated cartographic generalization method also includes: on the log sheet that the automatic partition of rock core is formed, on the graphical interfaces of log sheet, log and stratum pillar are carried out by procedure below the dynamic adjustment of subrange, obtains the achievement map of log sheet。If log can not the change of complete reaction lithology, then the displaying ratio chi of local log is implemented conversion, makes the log of stratum pillar and the requirement of stratum pillar scale adapt；If there is lithology or the epoch being identical but the stratum pillar that is drawn in different layers, then carry out substratum merging, merge into a layering, make to exist lithology or epoch identical stratum pillar is incorporated into same layering；If the stratum pillar that there is lithology or Different Period but be drawn in a layer, carrying out big layer decomposition, make the layering that this layer is decomposed into more than 2, lithology or the epoch of each layering differ；If there is geological record and the unmatched layering of result of log interpretation, then according to result of log interpretation adjustment layering bottom and top beds, geological record is made to mate with result of log interpretation；There is the grade of stratum pillar in layering not corresponding with lithology, then carry out grade adjustment, the grade making stratum pillar is consistent with lithology；If there is petrographic description with being layered unmatched stratum pillar, then carry out the accommodation of petrographic description, make the description of stratum pillar with layering and matching；The achievement map of block diagram is obtained after adjustment。
Wherein, the realization of log conversion scale, using the curve title of log, draw scope, draw color and draw the scale rendering parameter as log, adopting the mode adding virtual point is the interpolating estimation that the optional position chosen carries out log value, completes the conversion of optional position, arbitrary curve and arbitrary scale；Including procedure below: carry out log and see ore deposit section scale adjustment, by selecting any section of any one log, the mode of self-defined horizontal drafting scope and drafting color realizes。By the thought that parameter is transmitted, using the curve title of log, draw the contents such as scope, drafting color, the drafting scale rendering parameter as log, when user carries out cartographic generaliztion, parameter is carried out self-defined adjustment, repaint any section curve。It should be noted that log here adjusts function and is mainly used in " seeing ore deposit section ", but any one section in curve is equally applicable。Repaint any section curve, adopt the mode that calculating point-to-point transmission slope is interpolated to insert new estimation point in the position selected, to ensure the seriality of curve。
In addition, realize the stratigraphic region after computer AUTOMATIC ZONING interacts formula amendment, change in location by the message response real time record current layer to the attribute-bit on each stratum and mouse, according to the stratigraphic region number selected, combined mouse point closes on degree with border, stratigraphic region, judge whether to depth of stratum and the start-stop position of conversion, adopt the method for key attribute pairing that amended Stratigraphic Time boundary, the degree of depth, rock core length, thickness, taking rate, the row that change layer depth are dynamically updated, complete petrographic description self adaptation。According to the number of the stratigraphic region that user selects, automatic decision needs the operation carried out。If being chosen as a stratigraphic region, coboundary (degree of depth is played in current formation district) or the movement of lower boundary (degree of depth is stopped in current formation district) can be carried out, combined mouse point closes on degree with border, stratigraphic region, judge whether to the boundary line of movement, and moving range is limited, it is ensured that can not transregional movement。If being chosen as two stratigraphic regions, adjacent two adjustment distinguishing Boundary can be carried out, making the lower boundary (only the degree of depth) on stratum, top and the coboundary (playing the degree of depth) on stratum, lower section revise simultaneously, making moving range less than this interval。If being chosen as multiple continuous print district, multiple districts attribute system can be carried out change, or the operation that multiple districts merge: extract the information such as the selected lithology in district, start-stop position, color, petrographic description, petrographic description font size, line space, it is shown with properties dialog, user defines each generic attribute of selected areas, to rock stratum pillar and petrographic description etc. again assignment。While stratigraphic region is carried out evolution, realize dynamically updating to the stratum relevant information of associated column。Stratum associated column includes: the degree of depth, rock core length, thickness, taking rate, change layer depth, Stratigraphic Time boundary and petrographic description。The method adopting key attribute pairing realizes the location of stratum related column, and keyword includes: the degree of depth is stopped on row name and stratum。By row name, all texts on figure layer being screened, stratum is stopped depth attribute and is carried out the mode of binary chop by employing, and location needs the text of amendment, and content of text is replaced。Wherein, the replacement of petrographic description is comprised original petrographic description is made a look up, revise while the rock stratum start-stop degree of depth and rock title。
Log is shown in that ore deposit section scale adjusts the adjustment process with border, stratigraphic region, as shown in Figure 2。
The method adopting key attribute pairing realizes the location of stratum related column, and keyword includes: the degree of depth is stopped on row name and stratum。By row name, all texts on figure layer being screened, stratum is stopped depth attribute and is carried out the mode of binary chop by employing, and location needs the text of amendment, and content of text is replaced。
(3) extract the core data of log sheet achievement map and file, for follow-up About Drawing Figures and output；Described core data is divided into two classes: a class is for the geological layering information required for profiling, and another kind of is hydrological statistics data for drawing in the log sheet required for isopach map of sand bodies, as shown in Figure 3。
Geological layering information includes after cartographic generaliztion, lithology in the layering result of achievement map and the start-stop degree of depth, the type of alteration and intensity, and the color on stratum and the start-stop degree of depth；Hydrographic information extracts and includes procedure below:
In units of stratum age, obtaining the lithology in each stratum age, according to the water penetration of rock, add up the buried depth in the lithology that this stratum age is corresponding, thickness, interlayer number and thickness of interlayer, storage is in water-bearing layer, water barrier and buried depth statistical table。
In the extraction process of hydrographic data, obtain the start-stop degree of depth that each stratum age is corresponding, travel through according to the degree of depth at lithology pillar leu, until whether a degree of depth of certain formation lithology is within certain stratum age, the lithology on this stratum, thickness be recorded in the data in local layer age and be overlapped, impermeability properties according to lithology, it may be judged whether for interlayer, calculating interlayer number and thickness of interlayer。
In the process that lithology pillar is traveled through, for promoting traversal efficiency, it is ensured that the storage of lithology pillar and stratum age arranges according to the degree of depth, is not repeated traversal。
After step (3) extracts core data the filing of block diagram achievement map, utilize core data to carry out output to print, during printing, total length rounds according to height and the scale size of the page, so that printer page adapts to different hole depth, different scale and different output requirement。For the different demands unifying constituent parts paper, scale sets, the present embodiment, when default scale chi is 1:200, completes the printout of block diagram according to the demand self adaptation of user。Self-defined demand includes: print the setting of the setting of start-stop position, the setting of scale, paper size。
" print the setting of start-stop position ", namely original histogram is carried out the acquisition of any section。In the present embodiment, utilize the mode of map clipping, set point is carried out the calculating of bounding rectangles, according to the size of bounding rectangles, it is thus achieved that the primitive information in scope。If it should be noted that, the cutting to selected location place can cause not completing of primitive information, it is necessary to judges the pel of boundary position, the pel degree of depth and bounding rectangles are compared, if beyond cutting scope, this pel mobile is to the bounding rectangles of cutting, it is ensured that the integrity of map content。
" setting of scale ", namely for the scale of the scope amendment artwork width of user's delineation, is scaled to figure。Owing to block diagram belongs to the Geology map of longitudinally expression, the process of its scaling chi is different from general map, is not the convergent-divergent of whole map, but when locking laterally draws width, pel carries out the conversion of drawing position in the vertical。In the present embodiment, point, line, surface all can be regarded as and are made up of point coordinates, therefore, when carrying out scale change, utilize the multiple proportion of existing scale and original scale, the point coordinates Y value forming each pel is zoomed in and out, meanwhile, by the conversion between coordinate system, keep world coordinates constant。
" setting of paper size ", provides the setting that block diagram each page prints height in the present embodiment。If the printing height set is less than block diagram total length, it is necessary to automatic paging prints, the drafting hole depth of passing ratio chi and artwork, calculates page number, by map clipping, obtains the block diagram main information of each subpage frame respectively, draw for each paging also。In paging process, add figure head and Table Header information for every one page。In order to realize the interpolation of figure head and gauge outfit, when drawing map, the information of figure head and gauge outfit is saved in independent figure layer, the principle using figure layer to replicate, one by one map sheet is added。Drawing length for last page and can not meet the map of setting height, calculating rounds, and utilizes the mode polishing adding row height。
Claims (4)
1. the log sheet compilation method based on field catalog data and automated cartographic generalization, it is characterised in that comprise the following steps:
(1) field is edited and recorded the initial data of acquisition, log data and explanation results data thereof to be saved in subject point source database；
Set hierarchical rule by procedure below, according to hierarchical rule, initial data carried out strata division, generate pre-layered sheet:
Setting hierarchical rule according to field practical situation, hierarchical rule includes following constraints: lithology title, color, alteration and stratum age；According to hierarchical rule, each layer lithologic member in initial data is merged, if two-layer lithologic member has identical constraint, and the lithology of one layer of lithologic member stops the degree of depth, and to play the degree of depth with the lithology of another layer of lithologic member identical, and two-layer lithologic member is merged into new big layer, and when merging, the alteration Information in big layer, crack information are added in the petrographic description that this big layer is corresponding, each big layer composition layering result, utilizes layering result to generate pre-layered sheet；
(2) utilize pre-layered sheet to draw the initial map of log sheet, initial map carried out comprehensively, obtain the achievement map of log sheet:
Utilizing Method of Parametric Drawing, template is drawn in customization, and template content includes waiting drawing the drafting scope of the column information of initial map, col width, the bar number of log, content that every log represents and every log；By the fills of log data, result of log interpretation data and pre-layered sheet to drawing template, obtain initial map；
In conjunction with result of log interpretation and initial data, utilize automated cartographic generalization method that initial map is carried out lithology and automatically distribute, be updated with the distribution of strata to initial map, the log sheet of formation；Detailed process is: utilize result of log interpretation and initial data to judge, if the sandstone region of loose lithology, then simulate expertise, formulate the implementation rule of data automatic Synthesis, carry out the partition again of lithology in conjunction with editing and recording layering result and result of log interpretation in advance；If for the rock stratum of coal or calcic rock, the foundation being position judgment with the lithology of result of log interpretation, otherwise with pre-layered sheet for foundation, in conjunction with both position and lithology, the distribution of strata of initial map being updated, the log sheet of formation；Described automated cartographic generalization method includes converting according to the scale of the actual demand log to utilizing log data to draw out, the realization of log conversion scale, using the curve title of log, draw scope, draw color and draw the scale rendering parameter as log, adopting the mode adding virtual point is the interpolating estimation that the optional position chosen carries out log value, completes the conversion of optional position, arbitrary curve and arbitrary scale；Described automated cartographic generalization method also includes utilizing computer that each stratum in block diagram stratigraphic region interacts formula amendment, change in location by the message response real time record current layer to the attribute-bit on each stratum and mouse, according to the stratigraphic region number selected, combined mouse point closes on degree with border, stratigraphic region, judge whether to depth of stratum and the start-stop position of conversion, adopt the method for key attribute pairing to amended Stratigraphic Time boundary, the degree of depth, rock core length, thickness, taking rate, the row changing layer depth dynamically update, complete petrographic description self adaptation；
On the graphical interfaces of log sheet, log and stratum pillar are carried out the dynamic adjustment of subrange by procedure below, obtain the achievement map of log sheet: if log can not the change of complete reaction lithology, then local log is implemented conversion, make the log of stratum pillar and the requirement of stratum pillar scale adapt；If there is lithology or the epoch being identical but the stratum pillar that is drawn in different layers, then carry out substratum merging, merge into a layering, make to exist lithology or epoch identical stratum pillar is incorporated into same layering；If the stratum pillar that there is lithology or Different Period but be drawn in a layer, carrying out big layer decomposition, make the layering that this layer is decomposed into more than 2, lithology or the epoch of each layering differ；If there is geological record and the unmatched layering of result of log interpretation, then according to result of log interpretation adjustment layering bottom and top beds, geological record is made to mate with result of log interpretation；There is the grade of stratum pillar in layering not corresponding with lithology, then carry out grade adjustment, the grade making stratum pillar is consistent with lithology；If there is petrographic description with being layered unmatched stratum pillar, then carry out the accommodation of petrographic description, make the description of stratum pillar with layering and matching；The achievement map of block diagram is obtained after adjustment；
(3) extract the core data of log sheet achievement map and file, for drafting and the output of follow-up map；Described core data includes geological layering information and hydrographic information。
2. the log sheet compilation method based on field catalog data and automated cartographic generalization according to claim 1, it is characterised in that: the initial data described in step (1) includes geological record data, hydrology catalog data and physical prospecting catalog data。
3. the log sheet compilation method based on field catalog data and automated cartographic generalization according to claim 1, it is characterized in that: in step (3), geological layering information includes after cartographic generaliztion, lithology in the layering result of achievement map and the start-stop degree of depth, the type of alteration and intensity, and the color on stratum and the start-stop degree of depth；
Hydrographic information extracts and includes procedure below:
In units of stratum age, obtaining the lithology in each stratum age, according to the water penetration of rock, add up the buried depth in the lithology that this stratum age is corresponding, thickness, interlayer number and thickness of interlayer, storage is in water-bearing layer, water barrier and buried depth statistical table。
4. the log sheet compilation method based on field catalog data and automated cartographic generalization according to claim 1, it is characterized in that: after step (3) extracts core data the filing of block diagram achievement map, utilize core data to carry out output to print, during printing, total length rounds according to height and the scale size of the page, so that printer page adapts to different hole depth, different scale and different output requirement。
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