mongo projection

Many of the terrestrial data of the MODIS satellite are sinusoidal projections, and the data is divided into 10*10 (equatorial area) tiles (http://modis-land.gsfc.nasa.gov/MODLAND_ grid.html), the data format is usually the Hdf-eos format, and as the EOS format Meteoinfo can automatically read the data's coordinate information (including projection, etc.).Script Program:f = addfile ('d:/temp/hdf/mod10a1. A2010365.H27V05.005.2011002103013.HDF'snow_albe

Zoom in the current code only the 2D, think about it yourself (╯▽╰) Projection matrix formula: 3D usingSystem;usingSystem.Collections.Generic;usingSystem.Linq;usingSystem.Text;usingSystem.Threading.Tasks;namespaceconsoleapplication6{ classmatrix3x3 { Public DoubleM11, M12, M13; Public DoubleM21, M22, M23; Public DoubleM31, M32, M33; #regionScaling Public Staticmatrix3x3 Setupscale (floatKx,floatKy,floatKz) {matrix3x3 m=Newmatrix3x3 (); M.

1. In terraexplorer, the message attribute of an object can be embedded into vbs: Dim Itemid Itemid = SGWorld61.ProjectTree.FindItem ("BSD011A") Dim Obx Set Obx = SGWorld61.ProjectTree.GetObject (Itemid) Msgbox Obx.ObjectType Obx.Terrain.Tint.FromHTMLColor("#ff0000") Obx.Terrain.Tint.SetAlpha (0.8) Obx.ToolTip.Text = "456" 2. WKT projection Information Description: PROJCS["XI_AN_1980_3_Deg

// Gaussian projection positive and Inverse Calculation // 6-degree bandwidth 54-year Beijing coordinate system // Gaussian projection by latitude and longitude (unit: dd) returns the geocoordinate (with a number, unit: metres) void gaussprojcal (double longpolling, double latitude, double * X, double * Y) {int projno = 0; int zonewide; /// bandwidth double longitude1, latitude1, longitude0, latitude0, x0,

Http://www.petercollingridge.co.uk/interactive-svg-components/isometric-projection Isometeric projections are commonly used in technical drawings and used to be used in some computer game graphics. in an isometeric projection the three axes appear 120 ° from each other and are equally foreshortened. it can be achieved by rotating an object45 ° in the plane of the screen and ~ 35.3 ° through the horizontal

Address: http://blog.csdn.net/ariesjzj/article/details/8668726 If you need to process a specific target, the input image of the sensor is generally not facing. Therefore, correction is generally required before processing (only external projection correction is involved here ). The official routine contains an example surf_homography.cpp. We will slightly modify it to enable multiple projection correction

The shapefile mtroads. the SHP is projected on the ngnix 1983 state plane Montana FIPS 2500 coordinate system. The line unit is meter, but there is no projection file. In this case, if you want to use define prijection to define mtroads. note: If you need to re-project to idtm, UTM, and Other coordinate systems, You must select the projection coordinate system. If you select the geographic coordinate system

// Gaussian projection positive and Inverse Calculation///// Bandwidth of 6 degrees 54 years Beijing Coordinate System// Gaussian projection inverse returns the geocoordinate (including band number, unit: metres) from the latitude and longitude (unit: dd)Void gaussprojcal (double longpolling, double latitude, double * X, double * Y){Int projno = 0; int zonewide; // bandwidthDouble longitude1, latitude1, lon

Let's give you a detailed analysis of the effects of simple projection words.Tutorial sharing:Step 1: Use a text tool to type the text "ALLUMETTES ".Step 2: Select the selected text with the selection tool, and press and hold the Alt key to drag and copy the text.Step 3: run the "text> create outline" command to copy the copied text.Step 4: change the text color to gradient.Step 5: Use the tilt tool to click the left mouse butt

Projection refers to an operation that converts an element in a sequence into a custom form. The projection operators select and selectmany are used to select values that are assigned with appropriate functions. The selectmany operator can process multiple sets. 1. Select The select operator projects values in a single sequence or set. 1>. Prototype Definition Public static ienumerable Public static i

It is customary to separate the layers so that they are understood. Of course, the more layer and layer properties, the greater the load on the machine. Here are three ways to figure out and the effect of a composite layer. One or three methods of drawing Here are some examples of path gouging, lasso tools and magic wand. If you want to be comfortable on the edge and not afraid of hard friends can use the path to pull the map, so that you can control the edge changes.

1. Even a vector dot multiply Two vector points by static double Dot (const double A[3],const Double b[3]) {return (A[0]*b[0] + a[1]*b[1] + a[2]*b[2); } 2. Two vector x multiplication Vector x by void Crossvector (const double A[3],const double b[3],double normal[3]) { normal[0] = a[1] * b[2]-a[2] * b[ 1]; NORMAL[1] = a[2] * b[0]-a[0] * b[2]; NORMAL[2] = a[0] * b[1]-a[1] * b[0]; 3. Multiply a value by a vector Product static void Multiplyvector (double a[3],double scalar) for

MongoDB projection means to select only the necessary data instead of selecting the entire data for a file. If a document has 5 fields, you need to display only 3, and then select only 3 fields.Find () methodMongoDB's Find () method, which is interpreted in the MongoDB query document, accepts the second optional parameter that is the list of fields to retrieve. In MongoDB, when the Find () method is executed, it displays all fields of a document. To l

Mongo single device shard -- 22.16dbpleasecreateanindexovertheshardingkeybeforesharding uses a single index. If no index is found in the collection, the error config {_ id: shard1, members: [{_ id: 0, host: 127.0.0.1: 27018 },{ _ id: 1, host: 127.0.0.1: 27019 },{ _ id: 2, Mongo single device shard -- 2 mongodb please create an index over the sharding key before sharding uses a single index. If there is no i

advantageous in cache reconstruction. In short, if the process is restarted, the cache is still valid. if the system is restarted, you can copy Data files to/dev/null to recreate the cache. For more details, see cache reheating-not to be ignored. Sometimes, even if MongoDB uses a 64-bit operating system, it may encounter an OOM problem. Most of this situation is caused by limited memory size. Check the current value: Shell> ulimit-A | grep memoryBy default, most operating systems are set to unl

Tags: new library1CD $MONGO _home/bin/./mongo--shutdown--dbpath/data01/app/mongo/data./mongo--fork--logpath/data01/app/mongo/logs/mongodb.log--dbpath/data01/app/mongo/data./mongo 127.0.

ShardingFace: On behalf of the client, the client must say, you do not shard database shard with me, I told you to do what you do, there is no good to discuss.MONGOs: First we need to understand the concept of "chip key", that is, what is the basis for splitting the set? To split a collection by what key value ....Well, MONGOs is a routing server that will distribute the data to the Mongod cluster that it manages, based on the "tablet key" set by the administrator.and the corresponding configura

Tags: MONGO db it NoSQLSigned up for the May 10 certification exam, plan to prepare to take note of the study notes, so the plan to engage in a MONGO series as the first show of the blog.The following mind map is based on the MONGO DB Developer certified exam outline, which is designed to subdivide each topic in the study, and then to understand each module indiv

Php extension installation and connection to the mongo test system: centos6.5 Mongodb version: Current Stable Release (3.0.6) Download mongodb from the official website Https://www.mongodb.org/downloads Select the RHEL6 version in linux and confirm it according to the system. The binary package I downloaded here is named mongodb-linux-x86_64-rhel62-3.0.5 Put the above file under/mydata Decompress the package to the

1. Prepare two shell windows, one as the server and one as the client2. Launch an unlicensed MONGO instance in the server window using the instructionMongod--dbpath Local Database storage location--bind_ip MONGO bound IP--port Port--journal3. MONGO instance that was just started on the client connectionMONGO server-bound IP: Port/admin4. Add an Administrator acco