Tile URL-Function

Pleppo
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6 years 7 months ago #12227 by Pleppo

Replied by Pleppo on topic Tile URL-Function

Hi,

wow, that looks very good !! :-)

It can work.
The data must be in the correct format / in the database.
Maybe I still have to adjust my format of the data?

It must be created from a gpx file (?) Or it is only a Tile function needed?

On my test page I have this card in it including administrative Boundary.
Then comes the MTB layer. So far the theory. :-)

simon.sommerfugl.de/index.php/zhuk

:-)

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Dima
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6 years 7 months ago #12228 by Dima

Replied by Dima on topic Tile URL-Function

It is tile function. As I wrote - it is grid layer.
Just create path and enter function into grid layer tab definition.
On your page I can see GPX layer for boundaries. It looks good.

I don't understand about data format. As for grid - I create it and compare with your example. I checked a few territories and got the same result.

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Dima
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6 years 7 months ago #12229 by Dima

Replied by Dima on topic Tile URL-Function

I think my layer show correct

www.maptiler.com/google-maps-coordinates...e-bounds-projection/

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Dima
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6 years 7 months ago - 6 years 7 months ago #12230 by Dima

Replied by Dima on topic Tile URL-Function

I did with GPS coordinates

joomla.zhuk.cc/index.php/zhosmmap-main/o...in-map-with-clusters

I need to check and fix my code to decoding for 0 meridian. I'll fix it, but you use coordiantes converting too.

Just use my converting function

Here Create Function code

Code:

function(coords) {
  var tile = L.DomUtil.create('canvas', 'leaflet-tile');
  var ctx = tile.getContext('2d');
  var size = this.getTileSize()
  tile.width = size.x
  tile.height = size.y
  
  // calculate projection coordinates of top left tile pixel
  var nwPoint = coords.scaleBy(size)
  
  // calculate geographic coordinates of top left tile pixel
  var nw = map.unproject(nwPoint, coords.z)
  
  // will not create white background
  //ctx.fillStyle = 'white';
  //ctx.fillRect(0, 0, size.x, 30);
  //ctx.fillStyle = 'black';

  var vx = " " + coords.x;
  var vy = " " + coords.y;

  ctx.fillText('x:' + vx + ', y:' + vy + ', zoom: ' + coords.z, 100, 15);

  vx = " " + Convert_Latitude_Decimal2DMS(nw.lat);
  vy = " " + Convert_Longitude_Decimal2DMS(nw.lng);

  ctx.fillText(vx, 10, 15);
  ctx.fillText(vy, 10, 25);

  ctx.strokeStyle = 'black';
  ctx.beginPath();
  ctx.moveTo(0, 0);
  ctx.lineTo(size.x, 0);
  ctx.lineTo(size.x, size.y);
  ctx.lineTo(0, size.y);
  ctx.closePath();
  ctx.stroke();

  return tile;
}

Don't forget support my developments: post review in JED , donate , help with translation

Last edit: 6 years 7 months ago by Dima.

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Pleppo
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6 years 7 months ago #12235 by Pleppo

Replied by Pleppo on topic Tile URL-Function

Hello Dima,
Many thanks for the help!
Did you get my private email last night? There the list is correct.
You're right, if I want to put the grid as a shape like the Brandenburg gpx file over the OSM, I have to convert the coordinates back to another format.
Maybe that's what's going on here:
www.gpsvisualizer.com/convert_input
from CSV to gpx

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Pleppo
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6 years 7 months ago #12237 by Pleppo

Replied by Pleppo on topic Tile URL-Function

yes, your Tile-Layer is perfect. See:
simon.sommerfugl.de/index.php/zhuk
and so it should also work with the MTB / TK25 grid.
Example here:
www.orchids.de/haynold/tkq/KoordinatenErmittler.php

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