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5answers
169 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. Thank you
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3answers
332 views

Simple WMS server

Is there a way to implement a WMS server using only php or python cgi and mysql? I can't use geoserver or mapserver and postgres and any other software as they are not provided by the administrator.
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4answers
349 views

Formula to Check Latitude & Longitude is within Area without Google Maps Api

I got this Example Map SampleMap: http://techinfo.co.id/test/map.php I make Boundary Polygon shape , -6.875165174925262, 107.56293296813965 -6.882663904407988, 107.66730308532715 ...
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2answers
764 views

How to read Autodesk Spatial Data File (.SDF) in PHP

I am working on an application using Autodesk MapGuide. The application is being developed on PHP and hosted in IIS 7.5. I had to create point, line and polygon geometries on-the-fly. I found a ...
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1answer
81 views

Problem with using a circle as polygon for querying PostGIS

I'm trying to query PostGIS and find some object features that intersect with a circular buffer created by the user using OpenLayers, JavaScript and PHP. I use the following code for creating the ...
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3answers
476 views

GEOSERVER and Php

I want to use a Php script to retrieve information from the .db file of a shapefile saved as a layer in Geoserver. I need to retrieve attribute data from the layer and present it at the client side. ...
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1answer
99 views

Problem with nested query in PhP and PostGIS

I have a simple problem regarding a nested query. I would like to select all buildings in a given circular buffer and create a kml file of those selected objects. The following query does the job very ...
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2answers
154 views

How to extract common outline of multiple polygons with code?

I'm not really asking for a chunk of code to do this, but more of an algorithm I can work with myself. For example, this is the state of Maine, obviously, and I have the points of each county ...
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1answer
1k 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 ...
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1answer
389 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 ...
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2answers
262 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 ...
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1answer
306 views

osm2pgsql import crashed!

I am currently importing a bz2 country file into PostgreSQL 9.1 database for Nominatim 2 using its setup.php that runs osm2pgsql. After processing the nodes. it seems to be stuck at a certain spot ...
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2answers
1k views

How to display a image from Postgres database

I have Images in bytea form in PostgreSQL/PostGIS database, i want to display them in a webpage using PHP - PostgreSQL. I got lot of examples and I worked out but not getting output from them... Few ...
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1answer
1k views

PHP MapScript API Development for MapServer

PHP MapScript Tutorial I'd like to use the PHP MapScript API and am curious how others have successfully used it to produce a site that serves up remote sensing data. I've got land surface ...
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2answers
1k views

Send XML WFS Request via PHP

I'm trying to build a web mapping app that retrieves data from our WFS server. I'd like to avoid JavaScript for the main search scripts. From what's I've read the best way to send the XML POST ...
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1answer
296 views

how to use gdal command inside php exec() function

I need to develop a webportal which will display the images generated by a GIS software package. I my development I need to run gdal command inside php exec() function. but I don't know how to do ...
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2answers
681 views

How to make distance calculated using Latitude and Longitude more accurate

I'm coding a Web App whereby users can choose their city (start) and a destination city, and find out the approximate distance between both cities, using Latitude and Longitude of both cities to ...
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1answer
237 views

How do I insert a geometry as WKT to SQL Server Spatial with PHP?

I have a web mapping application built on Bootleaf (Leaflet + Bootstrap). Using the leaflet Draw plugin the user can create a polygon on the map. I'd like to insert that polygon into a geometry ...
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1answer
175 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 ...
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2answers
252 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 ...
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1answer
377 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 ...
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1answer
523 views

Python script for GRASS - executing from PHP

I wrote the following python script: #!/usr/bin/env python import os import sys gisbase = os.environ['GISBASE'] = "/usr/lib/grass64" gisdbase=os.path.join("PATH") location=LOCATION NAME ...
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1answer
116 views

Thematic maps on Non Spatial Data in MapGuide

I need to create the thematic map on a polygon layer. But the data is not available in the layer; I am using Postgres database for that. It means I need to create the themes on layer using non spatial ...
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2answers
460 views

Script to extract UTM Zone using Range and Meridian information

Hi Everyone, I am looking for a phython or php script that will accept the Range and Meridian values of a location and use it to identify the UTM zone. I have a table that comprises of Easting, ...
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1answer
331 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 ...
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2answers
1k views

How to get libspatialite.so file for spatialite

I am creating an application using spatialite database. I checked couple of tutorial from internet. Most of them explains the same. But the problem is I need "libspatialite.so" extension library. I do ...
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0answers
32 views

Pont to Point and Point to Line Calculations [duplicate]

We have been beeating our head against a wall trying to get point to point and point to line segment (perpindicular) to work in PHP. I posted the other day as well but did not include the code in ...
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0answers
35 views

GeoServer setup for intercepting WFS-T requests and handle them via PHP

I'm developing a web app which uses GeoServer side by side with a PHP framework. My goal is to be able to intercept WFS-T requests to update some records whenever a WFS transaction is executed ...
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0answers
29 views

change the area in a osm-request: from lon & lat to whole country

I am new to PHP's SimpleXML. the script below makes a starting point for my project. Below I have added my own answer to the question, how to refine the code to ad more tags. I want to filter the ...
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0answers
238 views

How can I get all the latitude, longitude coordinates/points inside a rectangular polygon drawn in google maps?

Google maps lets you obtain a valid address by clicking on houses or buildings one by one, but it would be much easier if you could draw a polygon on the map and get a list of all valid addresses ...
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1answer
121 views

Development guide for beginner? [duplicate]

Im new to GIS and mapping, and I need to learn how to create web map application for my project. I'm really confused on what to use. I have read PostGIS, OpenStreetMap, and Openlayer. I'm wondering ...
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1answer
58 views

OpenStreetMaps routing - starting far from a road

I am writing an web application, that needs routes between some markers (A, B, C, D). So far I used the this api with PHP, where I pass each pair of points (A and B, B and C, C and D .... and so on) ...
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0answers
43 views

Web Application/Android Application [closed]

I want to develop a web application/android app which has following functions. Runs OpenStreetMaps Creating Markers Changing colors of the markers Connecting all to a MySQL Database Please let me ...
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0answers
195 views

pgrouting php problem “pg_fetch_result(): Unable to jump to row 0 on PostgreSQL result index 3”

I'm trying to build a simple routing web-app using pgrouting, followed some tutorial and the latest workshop. Because I'm using PostgreSQL 9.3(x64), Postgis 2.1.1, and pgrouting 2.0 so I did some ...
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0answers
97 views

How to create static image file with geometries from shapefile using ArcGIS Online?

I'm trying to create static map images, including overlaid geometry features imported from a shapefile, server-side (in PHP if that matters), in order to use them in generated PDFs. We're using ArcGIS ...
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1answer
434 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 ...
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0answers
797 views

Google map did not update new geolocation when I moved the marker to new position

This is my google map code. I'm trying to update new latitude and longitude when i moved the existing marker to new position. But I don't understand why the following google map code is not updating ...
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0answers
23 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 ...
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1answer
206 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 ...
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0answers
389 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?
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1answer
289 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 ...
1
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1answer
339 views

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

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 ...
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0answers
318 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 ...
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0answers
1k views

How to populate data from postgresql using dynamic php\html listing

In the form I created, I need two fields to be dynamically populated from the database while the other fields will be manually entered and push to the database. I have written a script that is able ...
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0answers
743 views

searching GeoJSON features

After googling for many days and reading the OL documentation, I don't understand well how the filterToParams in OpenLayers.HTTP protocol should work, what I'm trying to do is to find and display the ...
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0answers
176 views

OpenLayers Icon e PopUp

Ciao, sto creando una pagina in php con una mappa ... in OpenLayers Examples ho trovato due interessanti esempi: esempio che mostra come usare diversi tipi di poupup ...
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1answer
268 views

Geographic Web Service

I was told to implement a web service which, given 2 inputs (street name, cross street name) the output is the crossing geographical coordinates. What is the best way i should go? Is there a standard ...
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0answers
529 views

Generate Two Triangles on KML file with PHP/MySQL

I am currently generating a KML file dynamically from PHP and Mysql. One latitude / longitude point is being passed to the script. What I want to do now is create two triangle polygons from this point ...
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2answers
248 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
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1answer
50 views

Get rectangle's coords in php

I'm trying to create a script which i give the center of a rectangle (in coords) and the preferred width and height (in metres) and return me the coords of four angles.Any idea about the ...