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2
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1answer
50 views

Update joined table fields when a MySQL database is updated

Using Qgis I joined feature tables with tables from a MySQL database. I imported the database's tables as new vector layers. Is there any way to update the joined table's fields each time the MySQL ...
1
vote
1answer
393 views

Adding custom polygons in google maps

Do you have any experience with adding custom polygons in to the google maps? I have made polygons from raster layer. And my goal is to show this layer in google maps. For now i have experience with ...
2
votes
1answer
69 views

Can qgis cooperate with phpmyadmin?

Can this two cooperate together? I am asking this, because I have database in myadmin with column for long. and lat. informations. Is there a way to connect qgis with myadmin? Or what type of ...
3
votes
1answer
450 views

Connecting CartoDB to existing MySQL database

I'm trying to create a simple heat map based on longitudinal and latitudinal map coordinates that can be transferred from a database on MySQL that I've created. I read that CartoDB can be connected to ...
1
vote
0answers
34 views

How to show neighboring polygons and polygon in which point exists

We have a table which has polygon related data stored. For finding if a point (long,lat) is within that polygon I am using following query in mysql SET @vasantKunjSectorC = 'polygon((77.161266 28....
0
votes
0answers
52 views

Creating Tile server without using any Base Map

I have a database of points with coordinates on server (MySQL + PHP). I need to create a transparent (without an image of map) tiles with the points (one tile can be several points) format (x) (y) (...
3
votes
0answers
33 views

Optimisation of MySQL JOIN based on a Within match

I have a table of points and boundaries, and am trying to add the boundary ID which a point is within. However, using a LEFT JOIN ON Within(location, boundary) it is taking about 3.5 hours match 450,...
2
votes
2answers
3k views

Take data (points) from MySQL to Leaflet Map using PHP and Ajax

I have records with lat and lngs in a MySQL database and I want to add them to a Leaflet map as markers. I have tried a couple of methods but none seem to work. When the webpage opens the map doesn't ...
1
vote
2answers
624 views

Shapefile to Mysql error using ogr2ogr

I'm following this tutorial. I installed the “GDAL Complete” Framework from kyngchaos.com and I tested the installation on Mac. I have GDAL 1.11.2, released 2015/02/10. When I am trying to run this ...
3
votes
1answer
2k views

Submit form information from a leaflet popup to MySQL table

I have a leaflet map and I want to have the user fill out a form in a leaflet popup and upon clicking the 'submit' button - the information in the form will be inserted into my MySQL database. As a ...
0
votes
0answers
179 views

How can I connect MYSQL database in python for QGIS desktop Application?

I am following below process. 1 - Setting You must install a MySQL driver before doing anything. Unlike PHP, only the SQLite driver is installed by default with Python. The most used package to do ...
2
votes
0answers
44 views

Can joined tables be served by QGIS Server WFS?

I'm trying to figure out whether it's just me, or if I'm forgetting a setting. I have a shapefile which I make available for WFS-requests. Now I added a join (to a MySQL table). I tried playing ...
0
votes
0answers
141 views

why did my python mysql script stop working, with error on fetchone()?

This code was working a couple weeks ago, then without changing anything, it started throwing an error. Here's the code: #Query climate table sFrom = dateIncrement.strftime("%Y-%m-%d %H:%M:%S"...
1
vote
2answers
238 views

How do I find major locations within postal codes from GeoNames?

I'm trying to narrow down my postal code table and limit the number or rows to 1 per postal code. I've not had a problem with Canada and the USA. However with Great Britain the data from GeoNames ...
1
vote
1answer
104 views

Where to store lat/lon data with additional informations?

I have huge database of lat/lon GPS coordinate points. For every point, I have several other variables (height, surface type, temperature, pressure...). Also, data will be changed every day and old ...
0
votes
1answer
33 views

Get percentage based on counts

I have the following query which gives me two columns store and customer_count...one row per store. SELECT a.id AS store,count(b.*) AS customer_count FROM stores a, customers b WHERE ST_DWithin(a....
1
vote
2answers
612 views

Calculate MBR envelope for different geometry shapes in different rows

I have some different kinds of geometry (Polygons and line strings) stored in my mysql database. On different rows. I know I can retrieve the envelope of one row with: SELECT Envelope(zoneShape) FROM ...
4
votes
1answer
309 views

Find number of points within certain radius of a set of points

I have two tables. One is a list of stores (with lat/long). The other is a list of customer addresses (with lat/long). What I want is a query that will return the number of customers within a certain ...
3
votes
0answers
446 views

Why are OGR (MySQL / PostGIS) connections extremely slow in QGIS 2.0 - 2.8 (when compared to QGIS 1.8)?

In our project we have been using QGIS 1.8 Lisboa with a MySQL database placed on a server accessed via local network since two years. Everything is working fine and quick. The vector layers can be ...
1
vote
2answers
142 views

Make layer with TileStache from MySQL database

I am unsuccessful in attempt to make layer with TileStache whitch gets data from MySQL. I found simple MySQL table structure (http://howto-use-mysql-spatial-ext.blogspot.com/): create table Points ( ...
3
votes
1answer
1k views

What are the limitations of using MySQL with ArcGIS?

I recently connected a MySQL database to ArcGIS by adding an OLE DB Connection. I can view the tables just fine; however, my XY data will not show up on the map directly from the MySQL table, I have ...
2
votes
2answers
406 views

Aggregate/dissolve MySQL geometry

On Centos, I have a MySQL 5 database with a MyISAM table that has a geometry column with a spatial index, containing US county boundaries. Trying to combine/aggregate/dissolve some of these into as ...
1
vote
1answer
2k views

geoserver wms layer is very slow

I am using open-layers to display a map and I have vectors layer with some features that I'm loading with ajax from MySql, and I'm using geoserver to load all the background from shp files(like ...
2
votes
2answers
129 views

escape quote in mapfile layer

I'm using mapserver 6 with mysql 5.5. It work like a charme, almost... The layer part of my mapfile is LAYER NAME "monsatR_mySQL" TYPE POINT STATUS ON CONNECTIONTYPE OGR ...
2
votes
0answers
9k views

How to get multiple dynamic custom markers on map using MapBox in MySQL and PHP?

Can anyone help me to get multiple custom markers on mapbox using lat/long from the database MySQL. I want to use 2 types of markers on the map, for which I have two separate table of lat/longs in the ...
0
votes
1answer
131 views

MySQL primary key column not visible in QGIS 2.6

I've tried adding a vector from Mysql table (Mysql 5.1, MyISAM) to QGIS 2.6. All columns are visible except Primary key column(s). Could anyone confirm this behaviour? Could we consider it a bug?
0
votes
0answers
643 views

Exporting spatial object in mysql to shapefile with spatial reference

Info: Win7, MySQL 5.x and OSGEO4W 1.11 To import a shapeafile to MySQL I use this ogr2ogr command: ogr2ogr -f MySQL MySQL:gis,user=root,password=password C:\posto_pianco.shp -nln pianco_post -a_srs ...
1
vote
1answer
361 views

find lat,long inside polygon with regular interval of time using mysql

I have table latest location there i have lat and long with device id. one more table with fencing name,there i have polygon points. so now how i can check point lies inside polygon. i need this ...
1
vote
0answers
71 views

how to use a database's table data in QGIS [closed]

I have already loaded a MySQL database as a layer, one of the tables contains data that are coordinates of some places, how to plot these data on a map(for example google maps)?
1
vote
1answer
285 views

How to get a centroid of a closed line in MYSQL

I have a table that contains only closed lines (lines where endpoint is the same as startpoint). I would need to find a centroid for those lines. How would I be able to achieve it? It does not need,...
0
votes
1answer
598 views

PHP/MySQL, PostgreSQL spatial queries. Find a polygon that contains a coordinate? [closed]

I am building a non mapping javascript app and I am wanting to take a lat/long coordinate and query a MySQL table of polygons for the one that contains the point. I have looked into MySQL spatial ...
1
vote
0answers
106 views

QGIS MySql database queries over 4000

When i open file of QGIS 2.6.1 with 32 layers whose tables all come from the same database, i see that by just opening the file, QGIS already sends 4100+ "SELECT..."-questions to the database, and ...
0
votes
1answer
525 views

Getting fail to store Polygon Shape Object in Geometry Datatype with hibernate spatial API

Tried to store Polygon shape in database with HibernateSpatial API. I have followed this tutorial to store values. I am using Mysql as my database server. So Made some couple of changes for my ...
3
votes
0answers
217 views

Get Distance between two point on linestring using mysql Spatial

I have a linestring and two point on this linestrin according to my picture i want distance between two point as base of linestring please hellp me
2
votes
1answer
165 views

Why are a polygon's vertices jumbled after importing KML into MySQL?

This is original KML : <Polygon><outerBoundaryIs><LinearRing><coordinates>104.700355,-3.056064 104.632127,-3.103623 104.608924,-3.103169 104.570166,-3.102411 104.5588,-3....
1
vote
1answer
386 views

How to find a point on linestring and in a range of 10 meter

i have a linestring which is show in diagram and i have a point which is some time on the linestring or out of linestring but in range which is red line and some time its is out of range so how can i ...
1
vote
0answers
431 views

Route tracking on google map php

i have to make a software which is track a vehicle on Google map using GPS. I have almost done this project but i am stuck at a point, the client require a system that track the bus in a route. I am ...
5
votes
1answer
7k views

Establishing a MySQL connection in ArcGIS 10

Is it possible to create a connection to a MySQL database in ArcGIS 10?
0
votes
0answers
145 views

GIS Street Maps

I am extremely new to GIS, but very interested in it. I am trying to create a php application that can display a map, and based on the address show like a 1 mile radius all around and the color each ...
1
vote
3answers
737 views

Read GeoTIFF file with php or javascript

Sorry, I am newbie with GeoTIFF files. I want to create a project that a person can upload a GeoTIFF file and the web application saves the lat/long of the picture into the database, the server side ...
2
votes
1answer
9k views

How to geocode addresses from MySQL and add them like markers to the Google map?

I'm using Google Maps API and Google Geocoding for geocoding addresses. I have table named 'users' and column named 'location' in MySQL database. Column 'location' contains addresses. I need to ...
6
votes
3answers
4k views

How to know if a point is inside a rectangle on the map?

I have four points that represent a rectangle (a,b,c,d). I got these points from mobile GPS. In my database I have this table of business locations: bussId | longitude | latitude --------------------...
2
votes
1answer
2k views

Import MySQL data to QGIS with a plugin

Does anyone know about a plugin that can import a MySQL database into QGIS?
2
votes
0answers
314 views

How to check if a point is within bounded rectangle from Java

I make an AJAX request to retrieve data from a mysql database. I add the data to google.maps.Data layer as geojson. I would only like to load the data based on the viewport. To obtain the viewport ...
1
vote
1answer
254 views

Java library for reading geojson from MySQL

I am looking for a way to retrieve mysql geometry data as geojson from the database either using a java library or for converting wkt to geojson using either java or javascript. Currently I am doing ...
1
vote
3answers
685 views

Create ESRI shape file with attributes from mySQL

I have some geometry which can be perceived as regions within a country and wish to create a shape file which contains all the regions along with some attributes (e.g. name, population, area code, etc ...
2
votes
1answer
966 views

Reverse Geocoding - calculate every time, or store result in database?

Several questions, such as this one, discuss whether to store only lat/long in the database & calculate the street address every time it is needed, but they seem to miss a few points & seem to ...
1
vote
0answers
66 views

how manage mysql spatial polygons in parent child style

I want to store location-polygon data in a parent-child relation. I am using spatial data in MySQL and Google map for polygon. Eg: World 1.1 US 1.2 China 1.3 Japan 1.4 South Africa 1.4.1 Pretoria ...
1
vote
0answers
80 views

QGIS crashes when trying to display features form MySQL

I import shapefiles into MySQL using the following command: ogr2ogr -f MySQL MySQL:GIS,host=localhost,user=root,password=root /home/user/Public/myshape.shp -nln Shape_table -update -overwrite -lco ...
1
vote
2answers
310 views

Choosing web mapping API to use with MySQL for making map of one country? [duplicate]

I hope this question isn't too general, but I'm new to using maps, I'd like to make a map of one country on which I can plot points according to their geocodes from my mysql database, and to have the ...