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bind layers from database or add new layer(s) to existing layers
By Farzaneh,
First of all, I have to say that I'm new to the OpenLayers. I was used OpenLayers 4 in this project.
We have a map with group layers that can visible or invisible any of them.
var map = new ol.Map({
controls: ol.control.defaults().extend([
new ol.control.FullScreen()
]),
layers: [
new ol.layer.Tile({
source: new ol.source.OSM()
}), new ol.layer.Group({
layers: [
new ol.layer.Til
Help on reading coordinate numbers
By nexaen,
Hello,
I've received following PDF map and text note consisting coordinate numbers to get dimensions of blue hachured areas (tunnels) on the map. Do you know what coordinate system is it? or if you can share some links with me regarding this format?
At first I thought numbers are based on UTM coordinate system, but the PDF map doesn't have any scale on top-&left sides or others sides. So, I cannot read numbers based on that.
Any help would be appreciated.
PDF+text
Invitation for GIS Software Technology Conference 2017
By seanpierrce,
Dear Sir/Madam,
On 24th-25th, August, 2017, GIS Technology Conference 2017 will be held in China National Convention Center, Beijing, China. The conference is themed as 'Geo-intelligence, Driven by Data’, focusing on the technological development and revolution of GIS software, exploring advanced technology applications on various industries.
It is estimated over 3,000 industrial leaders, government officials, experts, colleagues, users and researchers would participate in this confere
Calculate direction / angle between polar coordinates
By sAnSiBaR,
Hi folks,
I think there would be a simple geodetic solution for my question, but let's see:
I want to get the direction like on a compass between 0° and 360° between two polar coordinates.
How does this work?
for example:
r_1 = 4.47 theta_1 = 63.4
r_2 = 6.32 theta_2 = 71.6
For the result it does not matter if north or south, nor if it's 90° or 270°, only the absolute value is relevant.
Cartesian coordinates unfortunately dont work in case if points are vertically alig
Ultimate image sharing with work group?
By geot7,
Hi fellows,
Can someone point me in the right direction here. I'm trying to share a large collection of UAV images and orthomosaics with my work group. What is the best way to do it nowadays? I'm thinking some kind of gallery where you can also preview the tiles.
cheers!
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