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Don't rotate the points of the heatmap layer

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This commit is contained in:
Frederic Junod
2019-07-01 10:05:41 +02:00
parent ed340d7e2c
commit bb35a03704
2 changed files with 2 additions and 8 deletions
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8
src/ol/layer/Heatmap.js
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@@ -183,24 +183,18 @@ class Heatmap extends VectorLayer {
precision mediump float;
attribute vec2 a_position;
attribute vec2 a_texCoord;
attribute float a_rotateWithView;
attribute vec2 a_offsets;
attribute float a_opacity;
uniform mat4 u_projectionMatrix;
uniform mat4 u_offsetScaleMatrix;
uniform mat4 u_offsetRotateMatrix;
uniform float u_size;
varying vec2 v_texCoord;
varying float v_opacity;
void main(void) {
mat4 offsetMatrix = u_offsetScaleMatrix;
if (a_rotateWithView == 1.0) {
offsetMatrix = u_offsetScaleMatrix * u_offsetRotateMatrix;
}
vec4 offsets = offsetMatrix * vec4(a_offsets, 0.0, 0.0);
vec4 offsets = u_offsetScaleMatrix * vec4(a_offsets, 0.0, 0.0);
gl_Position = u_projectionMatrix * vec4(a_position, 0.0, 1.0) + offsets * u_size;
v_texCoord = a_texCoord;
v_opacity = a_opacity;

2
src/ol/renderer/webgl/PointsLayer.js
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@@ -111,7 +111,7 @@ const HIT_FRAGMENT_SHADER = `
* source to compute the opacity of the quad on screen (from 0 to 1). This is only done on source change.
* Note: this is multiplied with the color of the point which can also have an alpha value < 1.
* @property {function(import("../../Feature").default):boolean} [rotateWithViewCallback] Will be called on every feature in the
* source to compute whether the quad on screen must stay upwards (`false`) or follow the view rotation (`true`).
* source to compute whether the quad on screen must stay upwards (`false`) or follow the view rotation (`true`). Default is `false`.
* This is only done on source change.
* @property {HTMLCanvasElement|HTMLImageElement|ImageData} [texture] Texture to use on points. `texCoordCallback` and `sizeCallback`
* must be defined for this to have any effect.