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Questions tagged [php]

PHP is a Server-Side Scripting language designed initially for web programming, but is also used as a general-purpose programming language.

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8
votes
2answers
24k views

How do I set the fillcolor of polygons in Leaflet.js dynamically?

I'm using the interactive chloropath example for leaflet.js I figured out how to make each of my polygons add a running tally of values to the bottom of the page after each polygon is clicked. Upon ...
0
votes
1answer
55 views

Could SQL performance be increased by storing rotations of the data?

I'm working on a project where this kind of SQL Psuedocode would apply: SELECT * FROM objects WHERE (distance My inputs are latitude and longitude, and my database holds latitude and longitude. ...
1
vote
1answer
1k views

Linux Client for OpenGTS server

I've installed an OpenGTS server and successfully linked it with the GPS2OpenGTS_Pro application for android. The buses I'm tracking offer 3G with a wireless AP, however whenever the bus stops, the ...
0
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2answers
2k views

Spatial databases in location based search

I'm developing a location based application in which i was in the plan of dividing the globe into grids and when the client requests information, will create a table or similar data model which will ...
0
votes
1answer
281 views

Get rectangle's coordinates in PHP

I'm trying to create a script which I give the center of a rectangle (in coordinates) and the preferred width and height (in metres) and return me the coordinates of four angles. Any idea about the ...
2
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0answers
22 views

arcmap envelope coordinates from webbrowser tool

So I have my own php file with textfields which I run in my add in. Now I want to get the variables from the textfields and automatically give the value of the textfields to my env.PutCoords(x,y,x,y) ...
0
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1answer
282 views

Identify the direction of traveling road segment

I'm using pgRouting to find the least congested path using time as the cost metric. I am using average speed between two nodes to calculate time taken to travel in a segment. In pgRouting there is a ...
0
votes
2answers
682 views

storing images in mysql from WebGIS applications

I'm a complete amateur at writing code. I would like to make an application for storing LNG, lat, and other data, as well as images in mysql. I've set up, I made a separate application for storing ...
5
votes
1answer
1k views

How to find intersection points between two circles?

We have two points (centers of two circles) and their radius in meters, those radius make the circle. We need to find intersection points. For example we have  lat1 = 55.685025, lng1 = 21.118995, r1 = ...
1
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0answers
30 views

How to send variables from gis addin own web browser to gis file

I am a complete beginner with GIS. So I want to be able to go to the coordinates in arcmap I fill in in my php page. I've got this now: The variables inserted in the textfield should be the ...
2
votes
1answer
5k views

Leaflet Heatmap Dynamic data layer

I am trying to add heatmap layer to my map. I have tried the following plugin: http://www.patrick-wied.at/static/heatmapjs/example-heatmap-leaflet.html From this plugin the data came from ...
0
votes
1answer
731 views

How to set DATA string on LayerObj in MapFile by Using Mapserver's PHP Mapscript?

I'm manipulating mapfiles through mapscript. Setting layer attribute values like the opacity works like this: $layer = $map->getLayer('layername'); //set an attribute value $layer->set('...
1
vote
1answer
1k views

How to set attribute value of layer with PHP MapScript?

How can I set attribute values of a layer object with MapScript? I'm using MapServer version 5.0.3, the php_mapscript.so lib is loaded in my app context I have a simple Mapfile: MAP SIZE 500 ...
1
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2answers
1k views

How to transform/convert Coordinate Reference System with Proj4 and php

Basically my question is: Can I combine the functions of proj4 with php in my server? For example, I would like to know if it is possible get data in WGS84 and transform in ETRS89. I need to get ...
0
votes
1answer
1k views

How can I login in GeoServer from a PHP application?

I'm looking for advice how to login on GeoServer from PHP. I found much tutorial how to work with GeoServer through REST API and cURL: create workspaces, stores, etc. But still can't find how to ...
4
votes
5answers
3k views

Display ESRI Shapefiles in a map in a browser. (Not in google maps)

I have a series of shapefiles that I need to render as a map on a webpage. I have an ASP.Net server, although I would prefer something that will work on Linux servers. I would like to find an easy to ...
0
votes
1answer
1k views

Is there any library for converting projection transformation in php?

I would like to transform data from lat/long ETRS89 to y/x UTM ETRS89 through php. Any idea?
0
votes
1answer
128 views

Apply edits with PHP

I trying to develop a PHP script that will simply applyedits to a feature services. Right now I'm trying to use the In the ESRI restend point example. I'm thinking if someone can help me, point me ...
0
votes
1answer
1k views

PHP-MBTiles Server implementation with Leaflet and Wax

Using PHP tile server from infostreams with Leaflet and Wax Connector for Leaflet to visualize my .mbtiles. I upped the source and the .mbtiles on a free hosting service. I am getting a blank Leaflet ...
0
votes
2answers
407 views

How to make PHP (in MS4W Apache) setting for MSSQL

I am new for MSSQL. I wanted to make php setting for MSSQL. What i mean by that is to avoid following error while trying to establish connection using PHP and MSSQL Fatal error: Call to undefined ...
2
votes
4answers
2k views

Get coordinates from address

I am writing a application which allow users to save a address into database (db) and in the next step it shows all addresses on a map. But in the saving step I need automatically calculate a GPS ...
1
vote
1answer
2k views

Buffer along a route

I'm using Googlemaps service to plot some marker on the map. All markers are stored in a postgresql table, named "locations" and that has a location column (data type to geometry). When the user ...
1
vote
0answers
2k views

How to calculate corner coordinates of static Google Map image using PHP?

How can I calculate the corner coordinates of a static Google Map image, like the one fetched with this URL, using a little PHP script?
4
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3answers
4k views

How can I query Postgres tables directly from OpenLayers?

I have a map that is being hosted with the components of OpenGeo. The map contains WMS layers of millions of parcels and some rail stops. All of our spatial data is on PostgresSQL. Right now the only ...
1
vote
1answer
995 views

Shortest path for a given waypoints

I have an application where the user selects some "markers" from a google maps (all those coordinates' markers are stored into a postgresql database). Right now, I can draw the route between all ...
1
vote
1answer
370 views

Is that possible to use map object ( PHP_MapScript ) instead of map file when using the MapServer?

In my previous code, I am using OpenLayers WMS to load a raster data through MapServer. As you can see, the mapserv.exe calls a local map file to load the raster data. I just heard PHP_MapScript, ...
0
votes
2answers
685 views

PHP PostGIS to GeoJSON missing required parameter error

I'm using this PHP PostGIS to geoJSON script: https://gist.github.com/bmcbride/1913855 But I keep getting this error: 'missing required parameter: geotable' This is my code: # Retrive URL ...
0
votes
3answers
1k views

REST backend framework for routing?

I'm looking for a framework in Java or PHP to use it as backend for a mobile application. It should (if possible) implement REST services, geo functions for routing and CRUD services. I found the ...
1
vote
2answers
1k views

How to get .csv file into postGIS

I am using this: COPY data_table (col1,col2,col3) FROM 'datafile.csv' DELIMITERS ',' CSV HEADER; to get csv data into my postGIS table. It works wonderfully, except I need to have a 'pk_id serial ...
1
vote
1answer
2k views

Display Shapefile on website (Java or PHP)

i have to write an application where similar to Google Maps where i have to display a shapefile in a web application. My available technologies are Java (frontend framework: Apache Wicket) or PHP. It ...
-1
votes
0answers
3k views

How to develop a PHP GIS Applicationfor land parcel search? [duplicate]

I know this question has been asked numerous times but not from this angle. I am proficient in PHP and PHP Frameworks, my interest is now on GIS with the sole intent of creating a map solution where ...
3
votes
1answer
3k views

How to fetch polygons from PostGIS into a PHP array?

Currently I fetch polygons from a database table using ST_AsText(). The results are in text format, like this: POLYGON((84 104,212 48,321 122,243 179,275 238,131 240,84 104)) I am not quite sure if ...
1
vote
2answers
1k views

PHP MapScript get feature / shape by index in layer

I upgraded my MapServer version from 5.6.x to 6.2.0 (yes, big version jump here!) and I am stuck with getting a shapeObj from a layer by simply using its Index (or FID for shapefiles or GID in case of ...
0
votes
1answer
366 views

What should I start with Web GIS MapServer?

I'm not native English Speaker and I'm a graduated student who wants to have a masters degree in software engineering. I have a thesis relative with "Build a Web GIS for air pollution in Viet Nam's ...
0
votes
2answers
414 views

Shp2pgsql - exec() not allowed on external server

Me and my collegue are using the shp2pgsql and psql commands in php code (a Drupal module to be precise). We put these commands in a php variable and use the exec() command to execute them. This ...
3
votes
1answer
262 views

Shapefile and geocoding to retrieve an area name

I'm very new to GIS and all things geospatial! I have dbf, prj, sbn, sbx, shp and shx files that have been provided to me. The shapefile contains information on parts of the country that have been ...
0
votes
1answer
2k views

How to configure WFS layer with OpenLayers in PHP WampServer?

I have a problem to display WFS layer outside the GeoServer. My code working fine in GeoServer, but when I tried my code in WampServer(PHP), only WMS layer is being to displayed. I've gone through ...
3
votes
1answer
7k views

ESRI Javascript API Export to Shapefile and CSV

I am working on a Javascript Web Application using the ESRI Javascript API v3.3. My application allows the user to edit and query data and also provides a table for attributes. I would like the user ...
5
votes
2answers
4k views

How to find the nearest land mark from a given longitude and latitude?

I have a table called osm_places with place_name geometry, place_type and many other info related to the city. My database system is PostGIS. My requirement is: Given a latitude and longitude (...
2
votes
1answer
2k views

How to visuilze PostGIS data in GeoJSON format with PHP

I need to visualize PostGIS Geometry column as an overlay of a Leaflet tiled Map. I started a question here ,but didn't get any simple and satisfied answer. So I am starting this question. I got an ...
9
votes
2answers
3k views

Nearest point on a line ( Spherical / Mercator projection )

I have a line (Ax,Ay - Bx,By) over a mercator projection (google maps) and a random point (Cx,Cy) nearest to that line, i would to know the closest point (transparent blue on the image) over that line ...
2
votes
4answers
1k views

Query Postgis Table with PHP

Would you be so kind as to help me with the following in OpenLayers. I need to be able to use the coordinates from a user click in a postgis query. To catch the coordinates of a click I built a click ...
1
vote
2answers
632 views

SQL Server STpointfromText comes from PHP into javascript as garbage

Sorry for the sloppy title. Here's the scenario - I have a table in SQL Server 2008 R2 It has a geographyColumn, created thusly: add geographyColumn as geography::STPointFromText('POINT('+convert(...
4
votes
4answers
1k views

What software would be useful to create General Transit Feed Specification (GTFS)? [closed]

I am doing a project in which i am required to create GTFS. I look at transit google developer forum which provide a format to create feed but that completely have to done by hand (we have to write ...
0
votes
5answers
187 views

What is “n” in calculating tiles? [closed]

What does n mean in this formula: n = pow(2, zoom)? I using this when I calculate tiles.
1
vote
0answers
581 views

How to visualize MBTiles with OpenLayers using a PHP tile server?

This is repost as didn't get my expected answer. Please help me as I am newbie. I have setup the PHP Tile Server 0.1 and when I am calling the PHP server it showing the following Now I am triyng to ...
4
votes
2answers
2k views

PHP tile server

I am newbie in PHP. I am using tileserver.php to serve my *.mbtiles as web map. I have configure it and when I am trying to access the localhost it replying like following Now please help me to ...
2
votes
2answers
382 views

Can PHP be used to set the XY, zoom of a Mapbox.js map?

All, Is there a way to set the xy and zoom level of a map using the URL of the site that is calling it? I'm thinking of a site I'm using now, built on php, which has mapbox maps built in javascript ...
4
votes
2answers
2k views

Correct Use of MBTiles PHP Script

I have installed the OSGeo4W web server tools on a Server 2008 machine, and I would like to serve MBTiles to Leaflet. I have tried these: Zverik's mbtiles-php Infostream's mbtiles-php fork The ...
1
vote
1answer
1k views

Is the PostGIS Shapefile Import Manager able to upload to phpmyadmin or only pgadmin III?

After trying to import a shapefile into pgadmin III with no success I was wondering how to successfully upload it, but also if it is possible to upload to phpmyadmin instead. In any case, how exactly ...