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Update magloop.html 

Added calculated loop area. Added spaces between numbers and units in text.
pull/2/head
miguel 2020-11-22 12:59:52 +11:00
rodzic 7f23d4d0e9
commit c1d2d1805a
1 zmienionych plików z 8 dodań i 4 usunięć
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12
magloop.html
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@ -505,13 +505,13 @@
fctx.fillText("L = " + L.toPrecision(3).toString() + " \u03bcH", 8, 18); fctx.fillText("L = " + L.toPrecision(3).toString() + " \u03bcH", 8, 18);
// Write Tx power text: // Write Tx power text:
fctx.fillText("Tx = " + transmit_power_slider.value + "W", 8, win_height * 0.8 + 20); fctx.fillText("Tx = " + transmit_power_slider.value + " W", 8, win_height * 0.8 + 20);
// Write loop diameter symbol: // Write loop diameter symbol:
fctx.font = "12px arial"; fctx.font = "12px arial";
fctx.textAlign = "center"; fctx.textAlign = "center";
const dia = 1.0 * loop_diameter_slider.value; const dia = 1.0 * loop_diameter_slider.value;
fctx.fillText("\u2300b = " + dia.toPrecision(3).toString() + "m", loopx, loopy - 6); fctx.fillText("\u2300b = " + dia.toPrecision(3).toString() + " m", loopx, loopy - 6);
// Draw conductor diameter arrow: // Draw conductor diameter arrow:
fctx.beginPath(); fctx.beginPath();
@ -548,7 +548,11 @@
p1y = loopy + 0.4 * (loop_radius - cond_radius) - 5; p1y = loopy + 0.4 * (loop_radius - cond_radius) - 5;
//fctx.textAlign = "right"; //fctx.textAlign = "right";
const cond_dia = 1.0 * conductor_diameter_slider.value; const cond_dia = 1.0 * conductor_diameter_slider.value;
fctx.fillText("\u2300a = " + cond_dia.toPrecision(3).toString() + "mm", loopx, p1y+2); fctx.fillText("\u2300a = " + cond_dia.toPrecision(3).toString() + " mm", loopx, p1y+2);
// Write loop area:
fctx.textAlign = "right";
fctx.fillText("A = " + (Math.PI * dia**2).toPrecision(3).toString() + " m\u00B2", win_width-8, 18);
} }
const aside_canvas = document.getElementById("antennaSide2D"); const aside_canvas = document.getElementById("antennaSide2D");
@ -626,7 +630,7 @@
// Draw spacing text: // Draw spacing text:
sctx.textAlign = "center"; sctx.textAlign = "center";
const spc = loop_spacing_slider.value * conductor_diameter_slider.value; const spc = loop_spacing_slider.value * conductor_diameter_slider.value;
sctx.fillText("c = " + spc.toPrecision(3).toString() + "mm", start_x + cond_spacing, dim_y + 20); sctx.fillText("c = " + spc.toPrecision(3).toString() + " mm", start_x + cond_spacing, dim_y + 20);
} }
drawFrontDesign(); drawFrontDesign();
drawSideDesign(); drawSideDesign();