Brief introductionEt Geowizards is an et spatialtechniques set of ArcGIS-based toolsets that, since 2002, have been designed to:(1) Let ArcView users have arceditor or even arcinfo licensing functions, reduce costs;(2) Streamline the ArcGIS data manipulation and spatial analysis process to enable non-professionals to perform the relevant operations efficiently.Its products also include the ET geotools, et geowizards, et
shapefile format.
It is not complicated because the format of the MIF/Mid file of MapInfo has been parsed. However, due to the tight time, we hope to find a solution that can read and write the shapefile format, then you can write it yourself :)
I searched the internet for half a day and found geotools.
I found this tool on this page. If you are interested, you can check that there are a lot of GIS software.
Http://zh.wikipedia.org/w/index.php?
Geotools is a Java class library that provides many standard classes and methods to process spatial data. At the same time, this class library is built on the OGC standard and is an implementation of the OGC idea. OGC is an international standard, so geotools will surely become the main tool for open-source space data processing in the future. Most open-source software, such as udig and geoserver, processin
1. geotoolsThe open source Java GIS Toolkit
Http://geotools.org/geotools Official WebsiteHttp://docs.geotools.org/latest/javadocs/ geotools API online documentationHttp://docs.codehaus.org/display/GEOTDOC/Home geotools User GuideMaven repository address for http://repo.opengeo.org geotoolsHttp://download.osgeo.org/webdav/geot
Find a solution for reading the Grid File Format of geotools on the Internet. If you do not find the appropriate materials, decide to implement it by yourself and record the process.
The first question is what is grid format data?
The word grid represents many concepts in Wikipedia (http://en.wikipedia.org/wiki/Grid)
The data in the grid format isESRI GongA kind of inventionGIS Grid File Format. Http://en.wikipedia.org/wiki/ESRI_grid)
So what is
From www.sf.net
Posted:EmperorkefkaDate:Summary:Geotools 2.1.0 released
The geotools project is pleased to announce the release of geotools 2.1.0. new to this release is support for DB2, Web Feature server (WFS), Web Map Server (WMS), and indexed shapefiles. geotools continues to support open standards. this release features the adoption of The geoapi 2.0 coor
[Site]: http://www.blogjava.net/sinoly/archive/2007/09/30/geotools_shape.html
It has been plagued for several days and has been trying various methods to solve the problem of geotools reading the SHP format for Chinese encoding. However, an unintentional act yesterday made me realize that I had done too much useless work. After carefully reading the source code of javadoc and shapefile, we can see that the shapefiledatastore constructor has changed a
The discussion address for the GeoServer Chinese community is:http://opengeo.cn/bbs/read.php?tid=1701page=e #aAfter modifying shapefiles with Geotools, the property names in the DBF file contents are garbled, but the property values are not garbled. The changes have not been garbled before.And the code has been coded in the following way:Shapefiledatastore shape = new Shapefiledatastore (URL), Shape.setstringcharset (Charset.forname ("GBK"));Copy Code
Geotools read-write shapefiles are mainly dependent on two classes, Featurereader and Featurewriter, and can be used to refer to Geotools related documents.ArcMap reads only GBK encoded shapefiles by default, and to read UTF-8 encoded shapefiles, you need to add. cpg files in the Shapefile sibling directory and edit the content to UTF-8.Reference from the following informationHttp://gis.stackexchange.com/qu
In geoserver ChineseCommunityThe discussion address is: http://opengeo.cn/bbs/read.php? Tid = 1701 page = E #
After you use geotools to modify the shapefile, you can find that all attribute names in the DBF file are garbled, but the attribute values are not garbled. No garbled characters have been found before the modification.In additionCodeThe encoding method has been set as follows:
Shapefiledatastore shape =NewShapefiledatastore (URL );Shape
Solve the problem that the table name is underlined when geotools imports the shp file to the Oracle database,Problem:
Recently, we used geotools to import the shp file to the Oracle table. We found that the import failed when the Oracle table name was underlined. The problematic code line is dsOracle. getFeatureWriterAppend (oracleTable, Transaction. AUTO_COMMIT); dsOracle is org.
In geoserver ChineseCommunityThe discussion address is: http://opengeo.cn/bbs/read.php? Tid = 1701 page = E #
After you use geotools to modify the shapefile, you can find that all attribute names in the DBF file are garbled, but the attribute values are not garbled. No garbled characters have been found before the modification.In additionCodeThe encoding method has been set as follows:
Shapefiledatastore shape =NewShapefiledatastore (URL );Shape
Introduce geotools as instructed by JTs. The packages written in the geotools API are explained.
There are several important concepts in package referencing, such as coordinate system; coordinate referencing system; datum. Coordinate system is used to build a coordinate system. Coordinate referencing system is a space coordinate reference system used to represent geospatial data. datum is used to represent
Problem:
Recently in the use of Geotools to import SHP files into an Oracle table, found an issue when an Oracle table name is underlined, the import fails, and the problem code line: Dsoracle.getfeaturewriterappend (oracletable, Transaction.auto_commit); Dsoracle as Org.geotools.data.DataStore type Object
Solution:
Online lookup is ORACLE11 Java package OJDBC version problem, maven search Ojdbc found the latest version of the following figure
P
Problem:Recently in making use of Geotools to import SHP files into an Oracle table, a problem was found when an Oracle table name was underlined when the import failed, the question code line: Dsoracle.getfeaturewriterappend (oracletable,Transaction.auto_commit); Dsoracle for Org.geotools.data.DataStore type ObjectSolution:Online access to Data discovery is ORACLE11 Java package OJDBC version of the problem, maven search Ojdbc found the latest versio
maplayer:
/* * geotools-the open source Java GIS toolkit * http://geotools.org * (c) 2003-2008, open source geospatial Foundation (osgeo) * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU
Mapcontext:
/* * geotools-the open source Java GIS toolkit * http://geotools.org * (c) 2003-2008, open source geospatial Foundation (osgeo) * This library is free software; you can redistribute it and/or * modify it under the terms of the
of geo-information processing (interoperability),It is dedicated to the elimination of geo-information applications (e.g., GIS, remote sensing, land information systems, automatic Mapping/Facility Management (AM/FM) systems)and the barriers between geographic applications and other information technology applications, the establishment of a non "boundary", distributed, component-based geo-data interoperability environmentMiddleware
Representative: Geotools
foundations of GIS.
Data Source implementationRepresentative: postgis (PostgreSQL), MySQL spatialData Source implementation mainly refers to the expansion of open source database space. Database space expansion not only supports geometric storage in data tables, but also provides SQL-Level Set relationship judgment. For example, you can directly use SQL to query points in a polygon.
MiddlewareRepresentative: geotools (Java)Middleware plays the role o
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