0
votes
0answers
6 views

Restrict web pages access with .htaccess and .htpasswd [on hold]

I'm running an Html/Javascript app under Apache tomcat. Using the authentication form, I'd like to restrict access to users regarding certain pages. How should I use .htaccess and .htpasswd in a ...
0
votes
0answers
5 views

Authentication Form : Multi-users access

My web app is made using Html and Javascript, and runs under Apache tomcat. I made an authentication form , but I'm struggling in managing multi-users acess. I'd like to grant each user the right to ...
0
votes
0answers
12 views

Point Density produces enormous size rasters

I am trying to analyse density of points that represent crime locations in Northern Island. I have shape file containing 92k points. My data is in projected coordinate system (BNG). I tried to run ...
1
vote
1answer
10 views

Getting route segments from OSM data and assigning ETA for them

I have a problem of assigning possible ETA for a route. So far, I have the following: OSM data for a city. I have open source data of taxi trails for the same city. Now, I am planning to divide ...
0
votes
0answers
6 views

Getting wrong MIME Type from Geoserver

Geoserver MimeType Problem Environment: OL2, Tomcat 7, Geoserver 2.7.0, PostGIS-DataStore in Geoserver I have created a Website, first at Local Machine, then transferred the project to AcuGIS. ...
1
vote
1answer
12 views

How to deactivate the Color Ramp in QGIS graduated vector styling?

I want to display points with different size and I DO NOT want to have a color ramp. Do you know how I can do that?
2
votes
1answer
36 views

Which remote sensing satellite is best used for chlorophyll mapping?

location of my research is the reservoir which has an area of 47 and 62 km2. I need a better image resolution than Landsat(Pan).
0
votes
0answers
8 views

Area and distance calculation : scale problem

I have converted a GIS shapefile of Botswana from the geographic coordinate system GCS_WGS_1984 to the projected coordinate system Africa_Albers_Equal_Area_Conic to be able to calculate the area of ...
0
votes
0answers
7 views

Buffer for multiple layers not displaying on map

I want to do multiple buffering for multiple layers like rivers, roads, settlements, lakes. But, when i carried out buffering of these layers in arcMap 10.2.1, only the buffer of road is displayed but ...
0
votes
0answers
9 views

How to bring my postgis map from geoserver to leaflet based web application?

I have created a group of shape files using QGIS and I have stored their corresponding information in postGIS database by importing the shape file into PgAdmin3 usin Shape file and DBF loader. Then I ...
0
votes
1answer
9 views

ERROR 1: None of ECW_ENCODE_KEY and ECW_ENCODE_COMPANY were provided

I downloaded ERDAS-ECW_JPEG_2000_SDK-5.1.1 and tried to use it with GDAL to create ECW files from georeferenced PNG files, but they are not created, it basically complains about: ERROR 1: None of ...
1
vote
0answers
13 views

how not to enforce lowercase on spatialite

I use a geojson file to publish a webmap. when i need to update the data, i convert it to spatialite and add the data then again convert back to geojson. Recently in qgis 2.8, i found that the column ...
0
votes
0answers
12 views

Get table of adjacent polygons

I am using the cb_2013_us_zcta510_500k shapefile to push zipcode polygons. I have the shapefile, and a SQL Server table loaded where the polygon is loaded in the GEOG data type. What I need is to ...
-4
votes
0answers
40 views

What is GIS from a practical perspective? [on hold]

What is GIS from a practical perspective? Meaning: There is a program called GIS that does something. What comes out of it are beautiful maps, if done correctly, that can be applied to policy ...
1
vote
1answer
19 views

How can I clear a vector layer before drawstart in openlayers 3?

I have a vector layer in OL3 which I want to auto clear when drawing a Point feature (which means there is always max 1 feature in the layer). Problem is that when I listen to drawstart ...
0
votes
1answer
8 views

creating a pyramide tiles of a geotiff using gdal

I have a big geotiff file (about 300MB), and I saw an example of a big data organized in folders : folder 0 contains one folder 0 which contains one .png file named 0.png folder 1 contains two ...
0
votes
0answers
21 views

Activating GRASS GIS in QGIS

Apparently, my linux ubuntu setup of QGIS doesn't contain grass gis, although when I initially installed it last week I added grass gis to the command line. Anyway, I typed in once again and installed ...
0
votes
0answers
28 views

How to get a “clean” polygon after using dissolve in QGIS?

I'm trying to obtain the boundaries of shapefile, thus to clean the inside as a matter of speaking. While I had expected that dissolve while get me a proper polygon, unfortunately it still has some ...
0
votes
0answers
10 views

Leaflet map - custom markers from CSV and referring to CSV / GeoJSON marker properties?

I run a non-profit online resource called the Megalithic Portal and have created a Leaflet map that uses Leaflet.geoCSV to load in points from a CSV file github.com/joker-x/Leaflet.geoCSV To see ...
0
votes
1answer
41 views

How to automate ArcGIS map production using Python?

I have this layout; it's a map that I divided it to 25 parts using FISHNET from arctoolbox. I want to prepare only one layout and then using a Python script I want to be able to automate the ...
-1
votes
1answer
12 views

Converting start/end easting/northings to a single point for visualisation

I have eastings and northings for the start and end of 5m sections of the UK railway network. I want to convert these points to a central point between the start and end so I can visualise the ...
1
vote
0answers
16 views

How to show street direction on map?

I am using sharpmap to render my osm maps. i need to show the direction of one way streets on my map. How can i do that?! after googling i found SharpMap.Rendering.Symbolizer and ...
0
votes
0answers
21 views

Find the next number within field [duplicate]

I have a massive point feature class with a string field of a unique value. The string has 2 unique letters and 5 numbers starting at 00001. Every time a point is added I need to find the last number ...
1
vote
1answer
21 views

Problem in creating diagram with ArcGIS Diagrammer 10.2

I want to create diagram using ArcGIS Diagrammer .I use esri transportation Geodatabase as sample. when i import XML file of the sample,the links of the relationships do not show in ArcGIS ...
-1
votes
0answers
5 views

How to change the default symbol of point data from KML layer in ArcGis API for JavaScript? (The default symbol is yellow Thumb pin) [on hold]

I'v added the data from KML file to my webportal. The data(point) is represented by a symbol which i want to change to my choice... Help?
1
vote
1answer
36 views

How do you use Windows folders as acrpy Parameters

I am having problems trying to perform simple folder management operations in an ArcGIS python toolbox. First here's some code snippets (I have left out all of the stuff that does not pertain to this ...
0
votes
1answer
32 views

Georeferencing raster in QGIS

Georeferenced raster in the QGIS not filmed the final display by raster footprints. Everything is in EPSG 32633. Path in GdalToools: Red is original footprint for image. I need rotate image ...
0
votes
1answer
14 views

urban and rural areas of the UK

Just curious, is anyone aware of any (commercial) data sets that divide the UK into urban and rural areas based on admin data (e.g. outcode postcodes) and/or physical data (e.g. eastings and northing ...
1
vote
1answer
27 views

GDAL doesnot support HDF4 e [duplicate]

I am trying to import the pymodis library within python and I keep getting error that "GDAL installation has no support for HDF4, please update GDAL" I am running the latest version of GDAL ...
0
votes
0answers
18 views

Is it possible to put a raster layer on a shifted Chinese basemap using leaflet API?

Recently, we want to develop an application with leafleat and gaode basemap because some features of these products fullfill our basic needs. We want to overlay some raster layers caculated by spatial ...
0
votes
0answers
24 views

Why is WMS dead? [on hold]

I am a GIS coordinator in Government at a time when we are striving to conform to Inspire guidelines. A significant amount of effort is been invested to create and maintain WMS Services to ensure ...
1
vote
1answer
31 views

How to fix “Detected out of bounds geographic extent”

I hope someone can help me to solve this problem. i want to make a map with TileMill v.01, when i try to add layer using shapefile (i use QGIS to edit *.shp file) or postGIS i always get error ...
1
vote
1answer
17 views

OpenLayers 3.5 WFS-T update to GeoServer 2.7 raises StringIndexOutOfBoundsException

I am using ol.format.WFS.writeTransaction() (OL3.5) to generate WFS-T statements. This works well for insert and delete. The problem is with the update statement. Any update statement returns ...
0
votes
1answer
24 views

Rasterizing a simple sloped line

I am aware how to rasterize a 2D line, but if I have two coordinate triplicates (x1,y1,z1) and (x2,y2,z2), how can I efficiently rasterize the resulting connecting line such that the raster cell ...
2
votes
1answer
13 views

Overviews: to tiles or .vrt, or both?

When using vrt to mosaic on the fly large collections of images, is it better to add overviews (pyramids) to the individual rasters or to the final .vrt, or both? (Where "better" means finding the ...
0
votes
1answer
13 views

Extract by Attributes in Model Builder, “Table Name is Invalid”?

I'm attempting to use "Extract by Attributes" in model builder as part of a larger model. I'm trying to pull 6 different attributes out one by one in order to create random points within their areas. ...
0
votes
0answers
7 views

zoomToExtend openlayes 2.13.1 issue

my layers are in wgs84 and I need to zoomToExtend to specific Bound's but it seems I can not make it.... The code seems ok but nothing happens. map = new OpenLayers.Map({ div: "map", ...
0
votes
0answers
19 views

Python toolboxes missing (Can't use ArcGIS 10.2.2 toolboxes)

I was trying to use Hot Spot Analysis Toolbox on ArcGIS 10.2.2 but this error message appears: updateParameters Syntax Error Runtime error Traceback (most recent call last): File c:\program ...
0
votes
1answer
13 views

Create point on a line with given distance from end in PostGIS

Does anyone know how to create points along a line (MultiLineString geometry) with a given distance in PostGIS? I'd like to create points at a regular distance over a line, which represents a ...
0
votes
0answers
14 views

Legend disappears in QGIS 2.8 composer

I would like to keep my legend on as I export a multipage map set to PDF, but the legend appears to lose any layer items and just keep the title ("Legend"), which is what appears in my PDF document. ...
0
votes
1answer
14 views

Repairing a broken data source for a single layer in multiple map documents

I am a Python newbie and I'm trying to repair the data source for an aerial raster in close to 50 individual map documents. My supervisor deleted the 2014 recently and uploaded the 2015 in its ...
1
vote
1answer
15 views

Custom sort index for Data Driven Pages?

I am creating maps of underground utilities using DDP with a grid layers as my index layer. Each grid shows a segment of the run. The pages must be generated in an order that maintains the continuous ...
0
votes
1answer
21 views

Re-Calculating Rows in File GDB Feature Classes

I run the script that I created below, but when it is completed and I check the FC tables, nothing has changed. The script iterates through each feature class of a database and then iterates through ...
0
votes
0answers
4 views

WFS GetFeature query where typeName is a Layer Group not a Layer

I am loading layers in openlayers, and dynamically building a a protocol for "identifying" elements in that layer when the user clicks the map, and that layer was the selected "Identify" layer. This ...
0
votes
0answers
23 views

google geocoding api usage restrictions and other free api options

I would like to use the google geocoding api to geocode a few thousand addresses. I understand the daily limit for a free account is 2,500. I want to retrieve the coordinates and then map them in ...
1
vote
0answers
12 views

Permanent link to a Nominatim address?

I want to be able to link landmarks from a private database to their respective OSM representations (nodes, ways or relations). One of the approaches I have seen to get permanent-ish reliable link to ...
0
votes
0answers
21 views

ArcGIS GeoPDF Adobe

I am exporting a map from ArcGIS (10.2) as a GeoPDF with georeference and attributes. I am viewing both with Adobe Reader 11 with the free TerraGo Tool bar, and with Adobe Pro. The eventual goal is ...
0
votes
0answers
11 views

Is there an easier way to package all data in a map file in QGIS? [duplicate]

Similar to the way an InDesign file has the ability to package all of the linked images and embedded fonts into its own folder—or how ESRI does it, is there a way to gather up all of the data layers ...
1
vote
1answer
28 views

Get count within ArcGIS report

I have a file gdb feature class which contains cropland fields, and within the table are data fields for Landowner, Acres, and many other items. I have a report based on the table which has no data ...
0
votes
1answer
9 views

How to open a popup on Marker click when Markers are in array using leaflet maps

Hey guys I have a set of Markers that are getting created dynamically on a .each loops like so. $.each(data, function(index, element) { markerArr[element.id] = ...

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