CN104915521A - Drilling histogram compilation method based on field documentation data and automatic cartographic generalization - Google Patents
Drilling histogram compilation method based on field documentation data and automatic cartographic generalization Download PDFInfo
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Abstract
The invention discloses a drilling histogram compilation method based on field documentation data and automatic cartographic generalization. The drilling histogram compilation method comprises the following technical modules independently used for pre-processing and storing original field data according to the rules of geological documentation and histogram drawing, combining with expertise and well logging explanation result data to carry out knowledge innervation and the cartographic generalization on the histogram, automatically classifying and archiving a comprehensive result, putting the comprehensive result into storage and carrying out user-defined printing and outputting on a result map. When a comprehensive drilling histogram is drawn through the technical system, the integral generation of the histogram can be realized, a working principle that original documentation data supports map frame generation and expert knowledge leads a final achievement can be embodied, contradiction that originally collected data is artificially tampered and industry knowledge innervation can not be carried out is avoided, the workflows of the comparison of geological documentation data and well logging data and the regulation of stratum (rock stratum) boundary line regulation can be simplified, the compilation efficiency of the drilling histogram can be greatly improved, and the drawing of the histogram can be more normative.
Description
Technical field
The present invention relates to a kind of borehole columnar section 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 first important step of carrying out Construction of Mine Digitalization, in the production practices process of digital mine, occupy critical role.The storage mode of the data that field obtains decides rationality and the convenience of data use, and solid foundation has been established in the compilation for later stage geological map.Since the eighties in 20th century, there is a lot of borehole columnar section 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 contacting directly of raw 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 becoming figure according to the map and mapland, with the drawing practice of the regular characteristic sum typical feature of form reflection map subject band that is abstract, that summarize, comprise the comprehensive of the comprehensive and type of ground objects of comprehensive, the atural object quantity of atural object shape.Be used for the establishment of some thematic mapss in the past, seldom related in borehole columnar section drawing process.Layering performance data due to some histogram not only derives from the individual-layer data that field geology is edited and recorded, also need further to adjust the formation data edited and recorded in conjunction with expertise and result of log interpretation data, make the stratigraphic distribution situation of comprehensive pillar more press close to truth.In working method in the past, need the data revising stratum pillar, more again become figure; Or revise the size of stratum pillar on graphical interfaces, but the layered identification information relevant to stratum can not associated modification, add workload, process is loaded down with trivial details.Therefore, the thought of composite mapping is introduced the compilation of borehole columnar section here, in conjunction with computer graphics, realize dynamically updating of stratum pillar.
Automatically classifying and filing is carried out to synthesis result, by the drawing result of histogram and the ingenious combination of the drafting of other geological maps.Raw data is the basis of drawing geological record basis, boring composite columnar section, and the hierarchical information obtained by the analysis of histogram and ore deposit segment information are later stage profiling and planimetric map, even carry out the basis of ore body reserve estimate, therefore, these geological work flow processs are all linked with one another.The layering achievement Data classification of composite columnar section is filed, has certain necessity.In histogram compilation instrument in the past, normally by the bulk migration method of stratum pillar, the stratum pillar of the pillar of borehole columnar section and sectional view is integrated, lacks necessary extraction, 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 borehole columnar section compilation method based on field catalog data and automated cartographic generalization, overcome and draw the deficiency that in boring composite columnar section process, individual-layer data is separated with raw data, rock core adjustment process is loaded down with trivial details, data lack automatically classifying and filing in the past, to promote for the purpose of drawing efficiency, the content of raw data that field is obtained and its edit and record mode analysis, the storage of data and the compilation of map are combined; Provide the visualization tool to comprehensive pillar when adjusting rock core; In conjunction with drafting flow process, provide complete thinking drawing result being carried out extracting, screen, preserve and exporting.
The technical scheme that the present invention adopts for its technical matters of solution is: provide a kind of borehole columnar section compilation method based on field catalog data and automated cartographic generalization, comprise the following steps:
(1) field being edited and recorded the raw data of acquisition, log data and explanation results data thereof is saved in subject point source database;
By following process setting hierarchical rule, according to hierarchical rule, strata division is carried out to raw data, generates pre-layered sheet:
According to field actual conditions setting hierarchical rule, hierarchical rule comprises following constraint condition: lithology title, color, alteration and stratum age; According to hierarchical rule, each layer lithologic member in raw data is merged, if two-layer lithologic member has identical constraint, and the lithology of one deck lithologic member stops the degree of depth and the lithology of another layer of lithologic member, and to play the degree of depth identical, and two-layer lithologic member is merged into new large layer, and when merging, the alteration Information in large layer, crack information are added in the petrographic description of this large layer correspondence, each large layer composition layering result, utilizes layering result to generate pre-layered sheet;
(2) utilize pre-layered sheet to draw the initial map of borehole columnar section, carry out comprehensively, obtaining the achievement map of borehole columnar section to initial map:
Utilize Method of Parametric Drawing, template is drawn in customization, and template content comprises the drafting scope of column information, col width, the number of logging trace, content that every bar logging trace represents and the every bar logging trace waiting to draw initial map; 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 raw data, utilize automated cartographic generalization method to carry out lithology to initial map and automatically distribute, to upgrade the stratigraphic distribution of initial map, the borehole columnar section of formation;
Logging trace and stratum pillar are carried out to the dynamic conditioning of subrange on the graphical interfaces of borehole columnar section by following process, obtain the achievement map of borehole columnar section: if logging trace can not the change of complete reaction lithology, then conversion is implemented to local logging trace, the requirement of the logging trace of stratum pillar and stratum pillar engineer's scale is adapted; If there is lithology or the epoch identical but stratum pillar be 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 there is lithology or Different Period but the stratum pillar be drawn in a layer, carry out large layer decomposition, make this layer be decomposed into the layering of more than 2, the lithology of each layering or epoch are not identical; 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 mated with result of log interpretation; The grade that there is stratum pillar in layering is not corresponding with lithology, then carry out grade adjustment, makes the grade of stratum pillar consistent with lithology; If there is petrographic description with layering 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 histogram is obtained after adjustment;
(3) extract the core data of borehole columnar section achievement map and file, for drafting and the output of follow-up map; Described core data comprises geological layering information and hydrographic information.
Raw data described in step (1) comprises 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 raw data automatically to distribute, to upgrade the stratigraphic distribution of initial map, the borehole columnar section formed, detailed process is: utilize result of log interpretation and raw data to judge, if the sandstone region of loose lithology, then simulate expertise, formulate the implementation rule of data automatic Synthesis, in conjunction with the partition again editing and recording pre-layering result and result of log interpretation and carry out lithology; If for the rock stratum of coal or calcilith, 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 stratigraphic distribution of initial map is upgraded, the borehole columnar section of formation.
In step (2), automated cartographic generalization method comprises the engineer's scale of foundation actual demand to the logging trace utilizing log data to draw out and converts, the realization of logging trace conversion engineer's scale, using the curve title of logging trace, draw scope, draw color and draw the rendering parameter of engineer's scale as logging trace, adopt that to add the mode of virtual point be the interpolating estimation that log value is carried out in the optional position chosen, complete the conversion of optional position, arbitrary curve and indefinite scale.
In step (2), automated cartographic generalization method comprise utilize computing machine to each stratum in histogram stratigraphic region carry out interactive mode amendment, by the change in location to the attribute-bit on each stratum and the message response real time record current layer of mouse, according to the stratigraphic region number selected, combined mouse point and border, stratigraphic region close on degree, judge the depth of stratum and the start-stop position that need 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 comprises after cartographic generaliztion, the type of the lithology in the layering result of achievement map and the start-stop degree of depth, alteration and intensity, and the color on stratum and the start-stop degree of depth; The hydrology extracts and comprises following process:
In units of stratum age, obtain the lithology in each stratum age, according to the water permeability of rock, add up the buried depth in lithology corresponding to this stratum age, thickness, interlayer number and thickness of interlayer, be stored in water-bearing zone, water-resisting layer and buried depth statistical form.
Step (3) extract histogram achievement map core data and after filing, utilize core data to carry out output to print, during printing, total length rounds according to the height of the page and engineer's scale size, adapts to different hole depth, different scale to make printer page and differently exports requirement.
The present invention is based on the beneficial effect that its technical scheme has to be:
(1) raw data of the present invention to field acquisition is classified, and ensure that the electronization of data is unified and stores, be convenient to store and later stage layered shaping;
(2) the present invention carries out pre-layered shaping to raw data, computing machine can be utilized to realize, save labour turnover, avoid the secondary calculating to raw data simultaneously, reduces error, improves the confidence level of data;
(3) the present invention utilizes the mode of cartographic generaliztion, in conjunction with expertise, to editing and recording layering adjustment, take full advantage of graphic representation method and its accurate computing function of computing machine, while mobile stratigraphic boundary, the interlock realizing data upgrades, simplify the method for work of aligning, reduce the calculation requirement to user, avoid user to revise individual-layer data, raw data and achievement figure are separated, forms two and influence each other and non-interference standalone module;
(4) the present invention makes full use of performance data, avoid user in the drafting histogram later stage to the processing again of data, to the calculating of sand body uniform thickness, simplify workflow, becoming map to have laid a good foundation for generating sectional view with planimetric map etc., forming a set of specification, easily digitizing exploration method;
(5) the present invention can meet 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 independence of user.
Accompanying drawing explanation
Fig. 1 is the schematic diagram that in the method for the invention, original catalog data stores;
Fig. 2 is the schematic diagram of histogram automated cartographic generalization in the method for the invention;
Fig. 3 is the extraction of core data and the schematic diagram of warehouse-in in the method for the invention.
Fig. 4 is schematic flow sheet of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described.
The invention provides a kind of borehole columnar section compilation method based on field catalog data and automated cartographic generalization, with reference to Fig. 4, comprise the following steps:
(1) field being edited and recorded the raw data of acquisition, log data and explanation results data thereof is saved in subject point source database, and setting hierarchical rule, carries out strata division according to hierarchical rule to raw data, generate pre-layered sheet.
Described raw data comprises the 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 as shown in Figure 1.
Geological record data comprise: formation lithology catalog data, alteration Information catalog data, tectonic fissure catalog data, this a few class catalog data all reflects the general picture of the formation lithology of certain degree of depth, wherein, alteration Information and tectonic fissure 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, therefore, need to be separated storage.
Wherein, " formation lithology catalog data " comprising: 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 " comprising: from class report quote round trip data (round trip number, this round trip degree of depth, this round trip degree of depth only), 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 " tectonic fissure 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 record sheet 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 both supports.Also support that two kinds of data editing and recording mode store herein: a kind of for the class's of quoting count off is according to the mode edited and recorded according to round trip, another kind of for directly to edit and record according to the degree of depth.Therefore, in the present embodiment, physical prospecting catalog data comprises: 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), measuring point sequence number (same round trip carries out the measurement of multiple point), point position (relative depth relative to the round trip degree of depth can be used, also can use actual absolute depth), γ+β counting rate, γ counting rate, γ+β exposure rate, gamma-radiation dose rate etc.
Hydrology catalog data comprises simple hydrological observation data and the hydrology details relevant to lithology.For the simple and easy observation hydrographic data in input database, automatically the process to raw data is completed: some can differentiate the numerical relation between the field of hydrology phenomenon according in data, water burst, the information of leaking at some depth location place of boring can be identified, 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 be 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 comprise: perviousness classification, water permeability, RQD value, sorting, cementing form, filling material, lumpiness, and the content of these fields carries out organizing and splice, form a complete hydrology description.
Setting hierarchical rule, carries out strata division according to hierarchical rule to raw data, generates pre-layered sheet, comprise following process:
According to field actual conditions setting hierarchical rule, hierarchical rule comprises following constraint condition: lithology title, color, alteration and stratum age; Here computing machine can be utilized to realize, and for user provides the interface of custom hierarchical rule, adopt the stratified condition of regular expression recording user definition, take special symbol as separator, character string pattern matching, extracts user-defined conditional outcome.
According to hierarchical rule, each layer lithologic member in raw data is merged, if two-layer lithologic member has identical constraint, and the lithology of one deck lithologic member stops the degree of depth and the lithology of another layer of lithologic member, and to play the degree of depth identical, and two-layer lithologic member is merged into new large layer, and when merging, the alteration Information in large layer, crack information are added in the petrographic description of this large layer correspondence, each large layer composition layering result, utilizes layering result to generate pre-layered sheet.Petrographic description process judged that content comprises: whether start-stop position, rock stratum exists, if do not exist, is then added into the starting position of petrographic description; Whether rock title exists in petrographic description, if do not exist, 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 (comprising alteration position, alteration title and intensity) and the crack description (comprising position, crack, crack to describe) of lithology, petrographic description end is added into the text template of " see XX alteration in XXm place, intensity is X ".Data in pre-layered sheet are for generating the initial map of histogram.
(2) utilize pre-layered sheet to draw the initial map of borehole columnar section, carry out comprehensively, obtaining the achievement map of borehole columnar section to initial map:
Utilize Method of Parametric Drawing, template is drawn in customization, and template content comprises the drafting scope of column information, col width, the number of logging trace, content that every bar logging trace represents and the every bar logging trace waiting to draw initial map; 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; The content that logging trace rendering parameter comprises logging trace number, every bar logging trace represents and the drafting scope of every bar logging trace.With every rows of definition row codings, be each row assignment in a coded form, determine the template of the borehole columnar section drawn out according to selected row content; Global storage is carried out by the title, content, maximal value, minimum value etc. of structure to logging trace, accept the Drawing of Curve content of user's setting, 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 to carry out lithology to initial map in conjunction with result of log interpretation and raw data automatically to distribute, to upgrade the stratigraphic distribution of initial map, the borehole columnar section of formation, i.e. data cartographic generaliztion.In order to the versatility of drawing result, for the area of some loose lithology, after carrying out pre-layered shaping to original catalog data, can not edit and record according to field is actual the truth determining lithology completely, well logging interpretation is that the adjustment of rock core provides new foundation.Therefore, then simulate expertise, formulate the implementation rule of data automatic Synthesis, in conjunction with the partition again editing and recording pre-layering result and result of log interpretation and carry out lithology; 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 stratigraphic distribution of initial map is upgraded, the borehole columnar section 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 obtaining 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 logging interpretation, being filled in comprehensive pillar.Wherein, judge calcareous rock, not only need to judge according to rock title, also need to obtain the rock bonding degree of this section of lithology 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 comprises: on the borehole columnar section that the automatic partition of rock core is formed, logging trace and stratum pillar are carried out to the dynamic conditioning of subrange by following process on the graphical interfaces of borehole columnar section, obtain the achievement map of borehole columnar section.If logging trace can not the change of complete reaction lithology, then conversion is implemented to the displaying ratio chi of local logging trace, the requirement of the logging trace of stratum pillar and stratum pillar engineer's scale is adapted; If there is lithology or the epoch identical but stratum pillar be 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 there is lithology or Different Period but the stratum pillar be drawn in a layer, carry out large layer decomposition, make this layer be decomposed into the layering of more than 2, the lithology of each layering or epoch are not identical; 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 mated with result of log interpretation; The grade that there is stratum pillar in layering is not corresponding with lithology, then carry out grade adjustment, makes the grade of stratum pillar consistent with lithology; If there is petrographic description with layering 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 histogram is obtained after adjustment.
Wherein, the realization of logging trace conversion engineer's scale, using the curve title of logging trace, draw scope, draw color and draw the rendering parameter of engineer's scale as logging trace, adopt that to add the mode of virtual point be the interpolating estimation that log value is carried out in the optional position chosen, complete the conversion of optional position, arbitrary curve and indefinite scale; Comprise following process: carry out logging trace and see ore deposit section engineer's scale adjustment, by selecting any section of any logging trace, the mode of self-defined horizontal drafting scope and drafting color realizes.By the thought of Parameter transfer, using the curve title of logging trace, draw the rendering parameter of the contents such as scope, drafting color, drafting engineer's scale as logging trace, when user carries out cartographic generaliztion, self-defined adjustment is carried out to parameter, repaint any section curve.It should be noted that logging trace adjustment function is here mainly used in " seeing ore deposit section ", but any a section in curve is suitable for equally.Repaint any section curve, new estimation point is inserted, to ensure the continuity of curve in the position that mode is being selected adopting calculating point-to-point transmission slope to carry out interpolation.
In addition, realize carrying out interactive mode amendment to the stratigraphic region after computing machine AUTOMATIC ZONING, by the change in location to the attribute-bit on each stratum and the message response real time record current layer of mouse, according to the stratigraphic region number selected, combined mouse point and border, stratigraphic region close on degree, judge the depth of stratum and the start-stop position that need conversion, adopt the method for key attribute pairing to dynamically update amended Stratigraphic Time boundary, the degree of depth, rock core length, thickness, taking rate, the row that change layer depth, complete petrographic description self-adaptation.The number of the stratigraphic region selected according to user, automatic decision needs the operation carried out.If be chosen as a stratigraphic region, the movement of coboundary (degree of depth is played in current formation district) or lower boundary (degree of depth is stopped in current formation district) can be carried out, combined mouse point and border, stratigraphic region close on degree, judge the boundary line needing movement, and moving range is limited, guarantee can not transregional movement.If be chosen as two stratigraphic regions, the adjustment that adjacent two distinguish Boundary can be carried out, the coboundary (playing the degree of depth) on the lower boundary on stratum, top (only the degree of depth) and stratum, below be revised simultaneously, makes moving range be no more than this interval.If be chosen as multiple continuous print district, multiple districts attribute system can be carried out change, or multiple district carries out the operation merged: the information such as lithology, start-stop position, color, petrographic description, petrographic description font size, line space extracting selected district, show with properties dialog, user defines each generic attribute of selected areas, to rock stratum pillar and petrographic description etc. again assignment.While formation district carries out evolution, realize dynamically updating to the stratum relevant information of associated column.Stratum associated column comprises: the degree of depth, rock core length, thickness, taking rate, change layer depth, Stratigraphic Time boundary and petrographic description.Adopt the method for key attribute pairing to realize the location of stratum related column, key word comprises: the degree of depth is stopped on row name and stratum.Screened all texts in layer by row name, adopt formation to stop the mode that depth attribute carries out binary chop, location needs the text of amendment, replaces content of text.Wherein, the replacement of petrographic description is comprised original petrographic description is searched, revise while the rock stratum start-stop degree of depth and rock title.
Logging trace is shown in the adjustment process on ore deposit section engineer's scale adjustment and border, stratigraphic region, as shown in Figure 2.
Adopt the method for key attribute pairing to realize the location of stratum related column, key word comprises: the degree of depth is stopped on row name and stratum.Screened all texts in layer by row name, adopt formation to stop the mode that depth attribute carries out binary chop, location needs the text of amendment, replaces content of text.
(3) extract the core data of borehole columnar section achievement map and file, for follow-up About Drawing Figures and output; Described core data is divided into two classes: a class is the geological layering information for profiling, and another kind of is hydrological statistics data for drawing in the borehole columnar section of isopach map of sand bodies, as shown in Figure 3.
Geological layering information comprises after cartographic generaliztion, the type of the lithology in the layering result of achievement map and the start-stop degree of depth, alteration and intensity, and the color on stratum and the start-stop degree of depth; Hydrographic information extracts and comprises following process:
In units of stratum age, obtain the lithology in each stratum age, according to the water permeability of rock, add up the buried depth in lithology corresponding to this stratum age, thickness, interlayer number and thickness of interlayer, be stored in water-bearing zone, water-resisting layer and buried depth statistical form.
In the leaching 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 certain formation lithology play the degree of depth whether within certain stratum age, the lithology on this stratum, thickness are recorded in the data in local layer age and superpose, according to the impermeability properties of lithology, determine whether interlayer, calculate interlayer number and thickness of interlayer.
In the process that lithology pillar is traveled through, for promoting traversal efficiency, ensureing that the storage of lithology pillar and stratum age arranges according to the degree of depth, not carrying out repeating traversal.
Step (3) extract histogram achievement map core data and after filing, utilize core data to carry out output to print, during printing, total length rounds according to the height of the page and engineer's scale size, adapts to different hole depth, different scale to make printer page and differently exports requirement.In order to the different demands of unified constituent parts paper, engineer's scale setting, the present embodiment is when default scale chi is 1:200, and the demand self-adaptation according to user completes the printout of histogram.Self-defined demand comprises: print the setting of start-stop position, the setting of engineer's scale, the setting of paper size.
" print the setting of start-stop position ", namely original histogram is carried out to the acquisition of any section.In the present embodiment, utilize the mode of map clipping, setting range is carried out to the calculating of bounding rectangles, according to the size of bounding rectangles, the primitive information within the scope of acquisition.If it should be noted that and can cause not completing of primitive information to the cutting at selected location place, need the pel judging boundary position, the pel degree of depth and bounding rectangles are compared, if beyond cutting scope, this pel mobile, in the bounding rectangles of cutting, ensures the integrality of map content.
" setting of engineer's scale ", the scope namely drawn a circle to approve for user revises the engineer's scale of former map sheet, is scaled to figure.Because histogram belongs to the Geology map longitudinally represented, the process of its scaling chi is different from general map, is not the convergent-divergent of whole map, but when locking horizontal drafting width, in the vertical pel is carried out to the conversion of drawing position.In the present embodiment, point, line, surface all can be regarded as and be made up of point coordinate, therefore, when carrying out scale change, utilize the multiple proportion of existing engineer's scale and original scale, the point coordinate Y value of each pel of composition is carried out convergent-divergent, meanwhile, by the conversion between coordinate system, keep world coordinates constant.
" setting of paper size ", provides setting histogram every page being printed to height in the present embodiment.If setting printing be highly less than histogram total length, need automatic paging to print, the drafting hole depth of passing ratio chi and former figure, calculate page number, by map clipping, obtain the histogram main information of each subpage frame respectively, for each also paging drafting.In paging process, for every one page adds figure head and Table Header information.In order to realize the interpolation of figure head and gauge outfit, when drawing map, the information of figure head and gauge outfit be saved in independently in layer, the principle using layer to copy, adds map sheet one by one.Draw for last page the map that length can not meet setting height, calculating rounds, and utilizes the mode polishing adding row height.
Claims (7)
1., based on a borehole columnar section compilation method for field catalog data and automated cartographic generalization, it is characterized in that comprising the following steps:
(1) field being edited and recorded the raw data of acquisition, log data and explanation results data thereof is saved in subject point source database;
By following process setting hierarchical rule, according to hierarchical rule, strata division is carried out to raw data, generates pre-layered sheet:
According to field actual conditions setting hierarchical rule, hierarchical rule comprises following constraint condition: lithology title, color, alteration and stratum age; According to hierarchical rule, each layer lithologic member in raw data is merged, if two-layer lithologic member has identical constraint, and the lithology of one deck lithologic member stops the degree of depth and the lithology of another layer of lithologic member, and to play the degree of depth identical, and two-layer lithologic member is merged into new large layer, and when merging, the alteration Information in large layer, crack information are added in the petrographic description of this large layer correspondence, each large layer composition layering result, utilizes layering result to generate pre-layered sheet;
(2) utilize pre-layered sheet to draw the initial map of borehole columnar section, carry out comprehensively, obtaining the achievement map of borehole columnar section to initial map:
Utilize Method of Parametric Drawing, template is drawn in customization, and template content comprises the drafting scope of column information, col width, the number of logging trace, content that every bar logging trace represents and the every bar logging trace waiting to draw initial map; 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 raw data, utilize automated cartographic generalization method to carry out lithology to initial map and automatically distribute, to upgrade the stratigraphic distribution of initial map, the borehole columnar section of formation;
Logging trace and stratum pillar are carried out to the dynamic conditioning of subrange on the graphical interfaces of borehole columnar section by following process, obtain the achievement map of borehole columnar section: if logging trace can not the change of complete reaction lithology, then conversion is implemented to local logging trace, the requirement of the logging trace of stratum pillar and stratum pillar engineer's scale is adapted; If there is lithology or the epoch identical but stratum pillar be 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 there is lithology or Different Period but the stratum pillar be drawn in a layer, carry out large layer decomposition, make this layer be decomposed into the layering of more than 2, the lithology of each layering or epoch are not identical; 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 mated with result of log interpretation; The grade that there is stratum pillar in layering is not corresponding with lithology, then carry out grade adjustment, makes the grade of stratum pillar consistent with lithology; If there is petrographic description with layering 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 histogram is obtained after adjustment;
(3) extract the core data of borehole columnar section achievement map and file, for drafting and the output of follow-up map; Described core data comprises geological layering information and hydrographic information.
2. the borehole columnar section compilation method based on field catalog data and automated cartographic generalization according to claim 1, is characterized in that: the raw data described in step (1) comprises geological record data, hydrology catalog data and physical prospecting catalog data.
3. the borehole columnar section compilation method based on field catalog data and automated cartographic generalization according to claim 1, it is characterized in that: in step (2), utilize automated cartographic generalization method to carry out lithology in conjunction with result of log interpretation and raw data automatically to distribute, to upgrade the stratigraphic distribution of initial map, the borehole columnar section formed, detailed process is: utilize result of log interpretation and raw data to judge, if the sandstone region of loose lithology, then simulate expertise, formulate the implementation rule of data automatic Synthesis, in conjunction with the partition again editing and recording pre-layering result and result of log interpretation and carry out lithology, if for the rock stratum of coal or calcilith, 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 stratigraphic distribution of initial map is upgraded, the borehole columnar section of formation.
4. the borehole columnar section compilation method based on field catalog data and automated cartographic generalization according to claim 1, it is characterized in that: in step (2), automated cartographic generalization method comprises the engineer's scale of foundation actual demand to the logging trace utilizing log data to draw out and converts, the realization of logging trace conversion engineer's scale, by the curve title of logging trace, drafting scope, draw color and draw the rendering parameter of engineer's scale as logging trace, the mode of adding virtual point is adopted to be the interpolating estimation that log value is carried out in the optional position chosen, complete optional position, the conversion of arbitrary curve and indefinite scale.
5. the borehole columnar section compilation method based on field catalog data and automated cartographic generalization according to claim 1, it is characterized in that: in step (2), automated cartographic generalization method comprise utilize computing machine to each stratum in histogram stratigraphic region carry out interactive mode amendment, by the change in location to the attribute-bit on each stratum and the message response real time record current layer of mouse, according to the stratigraphic region number selected, combined mouse point and border, stratigraphic region close on degree, judge the depth of stratum and the start-stop position that need 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.
6. the borehole columnar section 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 comprises after cartographic generaliztion, the type of the lithology in the layering result of achievement map and the start-stop degree of depth, alteration and intensity, and the color on stratum and the start-stop degree of depth;
The hydrology extracts and comprises following process:
In units of stratum age, obtain the lithology in each stratum age, according to the water permeability of rock, add up the buried depth in lithology corresponding to this stratum age, thickness, interlayer number and thickness of interlayer, be stored in water-bearing zone, water-resisting layer and buried depth statistical form.
7. the borehole columnar section compilation method based on field catalog data and automated cartographic generalization according to claim 1, it is characterized in that: step (3) extract histogram achievement map core data and after filing, utilize core data to carry out output to print, during printing, total length rounds according to the height of the page and engineer's scale size, adapts to different hole depth, different scale to make printer page and differently exports requirement.
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